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99 youtube.com Last Updated: 4 months

Success 55% of passed verification steps
Warning 15% of total warning
Errors 30% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 28%
Best Practices Desktop Score 85%
SEO Desktop Score 64%
Progressive Web App Desktop Score 19%
Performance Mobile Score 52%
Best Practices Mobile Score 85%
SEO Mobile Score 98%
Progressive Web App Mobile Score 50%
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Social Data

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Estimation Traffic and Earnings

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Technologies

PWA - Manifest

YouTube YouTube YouTube

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)
Param name
YouTube
Param short_name
YouTube
Param background_color
#FFFFFF
Param display
minimal-ui
Param start_url
/?feature=ytca
Param scope
/
Param theme_color
#FF0000
Param gcm_sender_id
402845223712
Param gcm_user_visible_only
1
Param capture_links
none

Desktop

Desktop Screenshot
Total Blocking Time 2,560 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
First Contentful Paint 0.9 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 22 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Preload key requests Potential savings of 2,980 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Speed Index 4.9 s
Speed Index shows how quickly the contents of a page are visibly populated
Links do not have descriptive text 1 link found
Descriptive link text helps search engines understand your content
First Meaningful Paint 3.7 s
First Meaningful Paint measures when the primary content of a page is visible
Initial server response time was short Root document took 270 ms
Keep the server response time for the main document short because all other requests depend on it
Avoid long main-thread tasks 14 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 28.0 s
A fast page load over a cellular network ensures a good mobile user experience
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Serve static assets with an efficient cache policy 41 resources found
A long cache lifetime can speed up repeat visits to your page
Remove unused CSS Potential savings of 238 KiB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Largest Contentful Paint 4.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Reduce JavaScript execution time 6.7 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Time to Interactive 5.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Avoid enormous network payloads Total size was 3,614 KiB
Large network payloads cost users real money and are highly correlated with long load times
Keep request counts low and transfer sizes small 87 requests • 3,614 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
User Timing marks and measures 36 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Minimize main-thread work 8.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Max Potential First Input Delay 1,180 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Properly size images Potential savings of 580 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Remove unused JavaScript Potential savings of 800 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
First CPU Idle 5.6 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle/).
Eliminate render-blocking resources Potential savings of 740 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Cumulative Layout Shift 0.025
Cumulative Layout Shift measures the movement of visible elements within the viewport
Minify CSS Potential savings of 21 KiB
Minifying CSS files can reduce network payload sizes
Estimated Input Latency 340 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Avoid an excessive DOM size 5,058 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)

Mobile

Mobile Screenshot
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Max Potential First Input Delay 520 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
First Meaningful Paint 3.8 s
First Meaningful Paint measures when the primary content of a page is visible
Time to Interactive 8.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Initial server response time was short Root document took 250 ms
Keep the server response time for the main document short because all other requests depend on it
User Timing marks and measures 2 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Minimizes main-thread work 1.7 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Speed Index 3.8 s
Speed Index shows how quickly the contents of a page are visibly populated
First Contentful Paint (3G) 7480 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Document uses legible font sizes 96.53% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Avoid long main-thread tasks 4 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
First CPU Idle 7.5 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle/).
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Largest Contentful Paint 5.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Avoid chaining critical requests 5 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids enormous network payloads Total size was 1,154 KiB
Large network payloads cost users real money and are highly correlated with long load times
Eliminate render-blocking resources Potential savings of 490 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
JavaScript execution time 1.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Serve static assets with an efficient cache policy 8 resources found
A long cache lifetime can speed up repeat visits to your page
Remove unused JavaScript Potential savings of 332 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Remove unused CSS Potential savings of 78 KiB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Avoids an excessive DOM size 337 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Keep request counts low and transfer sizes small 21 requests • 1,154 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Tap targets are not sized appropriately 88% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Total Blocking Time 560 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
First Contentful Paint 3.7 s
First Contentful Paint marks the time at which the first text or image is painted
Estimated Input Latency 150 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy

Speed And Optimization Tips

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Alexa Rank

99,999,999

Global Rank

99,999,999

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Traffic
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Domain Available

Domain (TDL) and Typo Status
youtube.co Already Registered
youtube.us Already Registered
youtube.com Already Registered
youtube.org Already Registered
youtube.net Already Registered
yutube.com Already Registered
boutube.com Already Registered
houtube.com Already Registered

Information Server

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About Us

Independent Marketing and Brand Auditors provides digital audit reports. As an independent party that does NOT provide SEO or any online presence optimisation, we provide an objective view of the assets audited. The data are sourced from multiple public and proprietary data providers including Google. This service is currently on Beta.

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