First-Person Tetris - Firstpersontetris

Overview

Snoop Summary for firstpersontetris.com

This is a free and comprehensive report about firstpersontetris.com. The domain firstpersontetris.com is currently hosted on a server located in Virginia in United States with the IP address 35.185.44.232, where the local currency is USD and English is the local language. Our records indicate that firstpersontetris.com is privately registered by Contact Privacy Inc. Customer 124187113. Firstpersontetris.com has the potential to be earning an estimated $1 USD per day from advertising revenue. If firstpersontetris.com was to be sold it would possibly be worth $973 USD (based on the daily revenue potential of the website over a 24 month period). Firstpersontetris.com receives an estimated 463 unique visitors every day - a decent amount of traffic! This report was last updated 9th January, 2023.

About firstpersontetris.com

Site Preview:
Title:	First-Person Tetris
Description:	It's First-Person Tetris!
Keywords and Tags:	games
Related Terms:	eniro person dk, free tetris org, person com, tetris battle, tetris free online, tetris friends, tetris n blox, tetris org, tetris original, tetris unblocked
Fav Icon:
Age:	Over 14 years old
Domain Created:	1st December, 2009
Domain Updated:	1st December, 2022
Domain Expires:	1st December, 2023

Review

Snoop Score

1/5

Valuation

$973 USD

Note: All valuation figures are estimates.

Popularity

Low

Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank:	1,729,252
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority:	0
Moz Page Authority:	0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors:	463
Monthly Visitors:	14,092
Yearly Visitors:	168,995

Note: All visitors figures are estimates.

Visitors By Country

Revenue

Daily Revenue:	$1 USD
Monthly Revenue:	$40 USD
Yearly Revenue:	$482 USD

Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top Ranking Keywords (US)

Domain Analysis

	Value	Length
Domain:	firstpersontetris.com	21
Domain Name:	firstpersontetris	17
Extension (TLD):	com	3

Expiry Check:

Page Speed Analysis

Average Load Time:
Load Time Comparison:

Avg. (All Categories)

Performance

Accessibility

Best Practices

SEO

PWA

0–49 (Fail) 50–89 (Average) 90–100 (Pass)

URL: https://firstpersontetris.com/

Updated: 9th January, 2023

1.25 seconds

First Contentful Paint (FCP)

93%

5%

2%

0.00 seconds

First Input Delay (FID)

97%

1%

2%

Simulate loading on desktop

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for firstpersontetris.com. This includes details about optimizing page load times which can result in a better user experience.

Passing (56)
Failing (2)

Metrics

First Contentful Paint — 0.3 s
The time taken for the first image or text on the page to be rendered.

Time to Interactive — 0.3 s
The time taken for the page to become fully interactive.

Speed Index — 0.3 s
The time taken for the page contents to be visibly populated.

Total Blocking Time — 0 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Largest Contentful Paint — 1.2 s
The timing of the largest text or image that is painted.

Cumulative Layout Shift — 0.001
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Audits

Max Potential First Input Delay — 30 ms
Users could experience a delay when interacting with the page.

First Meaningful Paint — 0.3 s
The time taken for the primary content of the page to be rendered.

Network Requests
Below is a list of network requests that were made during page load.

URL	Protocol	Start Time (Ms)	End Time (Ms)	Transfer Size (Bytes)	Resource Size (Bytes)	Status Code	MIME Type	Resource Type
http://firstpersontetris.com/	http/1.1	0	51.28600000171	262	0	301	text/html
https://firstpersontetris.com/	h2	51.666999992449	130.02400001278	3203	2848	200	text/html	Document
https://www.googletagmanager.com/gtag/js?id=UA-144906841-1	h2	135.79299999401	154.06500000972	46054	115102	200	application/javascript	Script
https://firstpersontetris.com/assets/1T5DmAh.png	h2	136.34899997851	227.49399999157	1655	1315	200	image/png	Image
https://firstpersontetris.com/runtime/065fcf7.js	h2	142.40000001155	227.01299999608	2601	2248	200	application/javascript	Script
https://firstpersontetris.com/runtime/d87ede5.js	h2	142.54899998195	267.29899999918	346650	346295	200	application/javascript	Script
https://firstpersontetris.com/runtime/5028f7e.js	h2	142.7970000077	322.15600000927	4437	4084	200	application/javascript	Script
https://firstpersontetris.com/assets/1UB-Qs0.woff2	h2	143.88300001156	225.55500001181	9937	9564	200	font/woff2	Font
https://www.google-analytics.com/analytics.js	h2	181.2069999869	185.9360000235	20663	50230	200	text/javascript	Script
https://www.google-analytics.com/j/collect?v=1&_v=j98&a=1063878395&t=pageview&_s=1&dl=https%3A%2F%2Ffirstpersontetris.com%2F&ul=en-us&de=UTF-8&dt=First-Person%20Tetris&sd=24-bit&sr=800x600&vp=1350x940&je=0&_u=YEBAAUABAAAAACAAI~&jid=1733741899&gjid=793953262&cid=854545165.1673300297&tid=UA-144906841-1&_gid=1884058328.1673300297&_r=1&gtm=2ou120&z=1175808828	h2	209.70000000671	213.80299999146	620	2	200	text/plain	XHR
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j98&tid=UA-144906841-1&cid=854545165.1673300297&jid=1733741899&gjid=793953262&_gid=1884058328.1673300297&_u=YEBAAUAAAAAAACAAI~&z=357495738	h2	216.36399999261	220.61999997823	692	1	200	text/plain	XHR
https://firstpersontetris.com/runtime/e369d2d.js	h2	348.39800000191	454.55899997614	50757	50403	200	application/javascript	Script

Show Details

Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.

Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.

Tasks
Below is a list of the top-level main thread tasks that executed during page load.

Start Time (Ms)	End Time (Ms)
135.873	7.668
168.559	7.518
176.103	8.249
194.611	18.651
287.85	5.405
327.873	21.979
462.357	28.958

Show Details

Diagnostics
Below is a collection of useful page vitals.
View Data

Metrics
Below is a collection of metrics.
View Data

Script Treemap Data
Provide as required, for treemap app.

Other

Eliminate render-blocking resources
Resources, such as JavaScript and style sheets, can block the first paint of the page. Firstpersontetris.com should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.

Properly size images
Images can slow down the page's load time. Firstpersontetris.com should consider serving more appropriate-sized images.

Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Firstpersontetris.com should consider lazy-loading offscreen and hidden images.

Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Firstpersontetris.com should consider minifying CSS files.

Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Firstpersontetris.com should consider minifying JS files.

Reduce unused CSS
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Firstpersontetris.com should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.

Reduce unused JavaScript — Potential savings of 327 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.

URL	Transfer Size (Bytes)	Potential Savings (Bytes)
https://firstpersontetris.com/runtime/d87ede5.js	346650	271911
https://firstpersontetris.com/runtime/e369d2d.js	50757	40862
https://www.googletagmanager.com/gtag/js?id=UA-144906841-1	46054	22115

Show Details

Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.

Serve images in next-gen formats
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.

Enable text compression — Potential savings of 285 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.

URL	Transfer Size (Bytes)	Potential Savings (Bytes)
https://firstpersontetris.com/runtime/d87ede5.js	346295	250597
https://firstpersontetris.com/runtime/e369d2d.js	50403	37288
https://firstpersontetris.com/runtime/5028f7e.js	4084	2232
https://firstpersontetris.com/	2848	1676

Show Details

Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.

Initial server response time was short — Root document took 80 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.

URL	Time Spent (Ms)
https://firstpersontetris.com/	79.349

Show Details

Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Firstpersontetris.com should avoid multiple or unnecessary page redirects.

URL	Time Spent (Ms)
http://firstpersontetris.com/	190
https://firstpersontetris.com/	0

Show Details

Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Firstpersontetris.com should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.

Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.

Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.

Avoid serving legacy JavaScript to modern browsers — Potential savings of 20 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.

URL	Potential Savings (Bytes)
https://firstpersontetris.com/runtime/d87ede5.js	20188

Show Details

Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.

URL	Potential Savings (Ms)
https://firstpersontetris.com/assets/1T5DmAh.png	0

Show Details

Avoids enormous network payloads — Total size was 476 KiB
Large network payloads can cost users money and are linked to long load times.

URL	Transfer Size (Bytes)
https://firstpersontetris.com/runtime/d87ede5.js	346650
https://firstpersontetris.com/runtime/e369d2d.js	50757
https://www.googletagmanager.com/gtag/js?id=UA-144906841-1	46054
https://www.google-analytics.com/analytics.js	20663
https://firstpersontetris.com/assets/1UB-Qs0.woff2	9937
https://firstpersontetris.com/runtime/5028f7e.js	4437
https://firstpersontetris.com/	3203
https://firstpersontetris.com/runtime/065fcf7.js	2601
https://firstpersontetris.com/assets/1T5DmAh.png	1655
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j98&tid=UA-144906841-1&cid=854545165.1673300297&jid=1733741899&gjid=793953262&_gid=1884058328.1673300297&_u=YEBAAUAAAAAAACAAI~&z=357495738	692

Show Details

Avoids an excessive DOM size — 10 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.

Statistic	Element	Value
Total DOM Elements		10
Maximum DOM Depth	body > div#game > canvas	3
Maximum Child Elements	body	6

Show Details

Avoid chaining critical requests — 4 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Firstpersontetris.com should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.

JavaScript execution time
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.

Minimizes main-thread work — 0.1 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.

Category	Time Spent (Ms)
Script Evaluation	89.509
Other	25.519
Script Parsing & Compilation	9.912
Style & Layout	4.063
Parse HTML & CSS	2.101
Rendering	2.005

Show Details

All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.

Keep request counts low and transfer sizes small — 12 requests • 476 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.

Resource Type	Requests	Transfer Size (Bytes)
Total	12	487531
Script	6	471162
Font	1	9937
Document	1	3203
Image	1	1655
Other	3	1574
Stylesheet	0	0
Media	0	0
Third-party	4	68029

Show Details

Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.

Third-Party	Transfer Size (Bytes)	Main-Thread Blocking Time (Ms)
SHOW DETAILS	46054	0
SHOW DETAILS	21283	0
SHOW DETAILS	692	0

Show Details

Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).

Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.

Element
body > div#splash > img.splash-icon

Show Details

Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.

Element
body > div#splash > img.splash-icon

Show Details

Avoid large layout shifts — 1 element found
Below is a list of all DOM elements that contribute to the CLS of the page.

Element	CLS Contribution
Loading...	0.0006274743892829

Show Details

Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.

Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.

Avoid long main-thread tasks
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.

Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of firstpersontetris.com on mobile screens.

Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.

Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Serve static assets with an efficient cache policy — 7 resources found
Firstpersontetris.com can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.

URL	Cache TTL (Ms)	Transfer Size (Bytes)
https://firstpersontetris.com/runtime/d87ede5.js	600000	346650
https://firstpersontetris.com/runtime/e369d2d.js	600000	50757
https://firstpersontetris.com/assets/1UB-Qs0.woff2	600000	9937
https://firstpersontetris.com/runtime/5028f7e.js	600000	4437
https://firstpersontetris.com/runtime/065fcf7.js	600000	2601
https://firstpersontetris.com/assets/1T5DmAh.png	600000	1655
https://www.google-analytics.com/analytics.js	7200000	20663

Show Details

Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.

URL
https://firstpersontetris.com/assets/1T5DmAh.png

Show Details

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of firstpersontetris.com. This includes details about various page attributes that can be optimized.

Passing (44)
Manual Checks (10)

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.

The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.

`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.

Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.

No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.

`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.

`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.

`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.

ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.

ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.

ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.

`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.

Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.

`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.

`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.

ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.

ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.

ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.

`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.

`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.

ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.

No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.

`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.

Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.

`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.

Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.

Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

`<object>` elements have alternate text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Contrast

Background and foreground colors have a sufficient contrast ratio
Many (if not most) users find low-contrast text difficult or impossible to read.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.

Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.

Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.

List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.

Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.

`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.

`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.

`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Firstpersontetris.com may provide assistance to deaf or hearing-impaired users with captions on videos.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.

Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.

Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.

The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.

User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.

Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.

Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.

Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.

Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.

HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that firstpersontetris.com should incorporate. This includes practices such as protecting pages with HTTPS.

Passing (14)
Failing (2)

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.

Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).

Description	Directive	Severity
No CSP found in enforcement mode		High

Show Details

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.

Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.

Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.

Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.

Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.

Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.

No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.

Insecure URL	Request Resolution
http://firstpersontetris.com/	Allowed

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Audits

Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.

Source	Description
SHOW DETAILS	Error: WebGL unsupported in this browser, use "pixi.js-legacy" for fallback canvas2d support. at e.create (https://firstpersontetris.com/runtime/d87ede5.js:1:185960) at Object.Vi (https://firstpersontetris.com/runtime/d87ede5.js:1:189796) at new t (https://firstpersontetris.com/runtime/e369d2d.js:1:49337) at https://firstpersontetris.com/runtime/5028f7e.js:1:498 at https://firstpersontetris.com/runtime/d87ede5.js:1:342355 at Object.next (https://firstpersontetris.com/runtime/d87ede5.js:1:342460) at https://firstpersontetris.com/runtime/d87ede5.js:1:341398 at new Promise (<anonymous>) at Object.o (https://firstpersontetris.com/runtime/d87ede5.js:1:341175) at https://firstpersontetris.com/runtime/5028f7e.js:1:291

Source

Description

SHOW DETAILS

Error: WebGL unsupported in this browser, use "pixi.js-legacy" for fallback canvas2d support. at e.create (https://firstpersontetris.com/runtime/d87ede5.js:1:185960) at Object.Vi (https://firstpersontetris.com/runtime/d87ede5.js:1:189796) at new t (https://firstpersontetris.com/runtime/e369d2d.js:1:49337) at https://firstpersontetris.com/runtime/5028f7e.js:1:498 at https://firstpersontetris.com/runtime/d87ede5.js:1:342355 at Object.next (https://firstpersontetris.com/runtime/d87ede5.js:1:342460) at https://firstpersontetris.com/runtime/d87ede5.js:1:341398 at new Promise (<anonymous>) at Object.o (https://firstpersontetris.com/runtime/d87ede5.js:1:341175) at https://firstpersontetris.com/runtime/5028f7e.js:1:291

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SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for firstpersontetris.com. This includes optimizations such as providing meta data.

Passing (14)
Manual Checks (1)

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of firstpersontetris.com on mobile screens.

Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.

Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.

Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.

Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.

Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.

Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.

Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.

Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.

robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of firstpersontetris.com. This includes details about web app manifests.

Installable

Web app manifest and service worker meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.

PWA Optimized

Configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data

Sets a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data

Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of firstpersontetris.com on mobile screens.

Provides a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.

Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.

Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.

Avg. (All Categories)

Performance

Accessibility

Best Practices

SEO

PWA

0–49 (Fail) 50–89 (Average) 90–100 (Pass)

URL: https://firstpersontetris.com/

Updated: 9th January, 2023

1.21 seconds

First Contentful Paint (FCP)

93%

4%

3%

0.02 seconds

First Input Delay (FID)

98%

2%

0%

Simulate loading on mobile

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for firstpersontetris.com. This includes details about optimizing page load times which can result in a better user experience.

Metrics

First Contentful Paint — 1.1 s
The time taken for the first image or text on the page to be rendered.

Speed Index — 1.5 s
The time taken for the page contents to be visibly populated.

Total Blocking Time — 110 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Cumulative Layout Shift — 0.007
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Audits

Max Potential First Input Delay — 110 ms
Users could experience a delay when interacting with the page.

First Meaningful Paint — 1.1 s
The time taken for the primary content of the page to be rendered.

Network Requests
Below is a list of network requests that were made during page load.

URL	Protocol	Start Time (Ms)	End Time (Ms)	Transfer Size (Bytes)	Resource Size (Bytes)	Status Code	MIME Type	Resource Type
http://firstpersontetris.com/	http/1.1	0	9.9959999788553	277	0	301	text/html
https://firstpersontetris.com/	h2	10.362999979407	53.417999995872	3203	2848	200	text/html	Document
https://www.googletagmanager.com/gtag/js?id=UA-144906841-1	h2	63.880000030622	83.700000075623	46054	115102	200	application/javascript	Script
https://firstpersontetris.com/assets/1T5DmAh.png	h2	64.21500002034	147.16399996541	1655	1315	200	image/png	Image
https://firstpersontetris.com/runtime/065fcf7.js	h2	70.940000005066	117.75400000624	2601	2248	200	application/javascript	Script
https://firstpersontetris.com/runtime/d87ede5.js	h2	71.129000047222	139.69999994151	346650	346295	200	application/javascript	Script
https://firstpersontetris.com/runtime/5028f7e.js	h2	71.389999939129	144.53399996273	4437	4084	200	application/javascript	Script
https://firstpersontetris.com/assets/1UB-Qs0.woff2	h2	72.663000086322	119.87100006081	9937	9564	200	font/woff2	Font
https://www.google-analytics.com/analytics.js	h2	116.21399992146	120.94100005925	20664	50230	200	text/javascript	Script
https://www.google-analytics.com/j/collect?v=1&_v=j98&a=1276368170&t=pageview&_s=1&dl=https%3A%2F%2Ffirstpersontetris.com%2F&ul=en-us&de=UTF-8&dt=First-Person%20Tetris&sd=24-bit&sr=360x640&vp=360x640&je=0&_u=YEBAAUABAAAAACAAI~&jid=263567118&gjid=503566523&cid=415856360.1673300312&tid=UA-144906841-1&_gid=1100331613.1673300312&_r=1&gtm=2ou120&z=1104703602	h2	151.6249999404	156.3689999748	620	2	200	text/plain	XHR
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j98&tid=UA-144906841-1&cid=415856360.1673300312&jid=263567118&gjid=503566523&_gid=1100331613.1673300312&_u=YEBAAUAAAAAAACAAI~&z=2062004694	h2	159.34900008142	166.37400002219	692	1	200	text/plain	XHR
https://firstpersontetris.com/runtime/e369d2d.js	h2	208.65299995057	263.36099999025	50757	50403	200	application/javascript	Script

Show Details

Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.

Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.

Tasks
Below is a list of the top-level main thread tasks that executed during page load.

Start Time (Ms)	End Time (Ms)
57.532	11.861
72.451	5.675
98	8.998
107.029	10.354
128.87	24.331
177.691	6.282
184.132	23.432
268.97	27.955