About.youtube Site Title

About YouTube - YouTube

About.youtube Meta Description

YouTube’s mission is to give everyone a voice and show them the world. Learn about our brand, community, careers and more.

About.youtube Test Results

About.youtube Mobile Performance: 74/100
Quick overview:
Max Potential First Input Delay
230 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
First Meaningful Paint
3.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
Time to Interactive
4.0 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Network Requests
Lists the network requests that were made during page load.
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. Learn more about the Round Trip Time.
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. Learn more about server response time.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Metrics
Collects all available metrics.
Final Screenshot
The last screenshot captured of the pageload.

12662243490

Script Treemap Data
Used for treemap app
Diagnostics
Collection of useful page vitals.

About.youtube Mobile SEO: 100/100
Quick overview:

About.youtube Mobile Best Practices: 75/100
Quick overview:
Trust and Safety
Does not use HTTPS
1 insecure request found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.
Ensure CSP is effective against XSS attacks
A strong Content Security Policy (CSP) significantly reduces the risk of cross-site scripting (XSS) attacks. Learn how to use a CSP to prevent XSS
General
Browser errors were logged to the console
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit
Browser Compatibility
Charset declaration is missing or occurs too late in the HTML
A character encoding declaration is required. It can be done with a `<meta>` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. Learn more about declaring the character encoding.
About.youtube Mobile PWA: 33/100
Quick overview:
PWA Optimized
Does not register a service worker that controls page and `start_url`
The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. Learn more about Service Workers.
Is not configured for a custom splash screen
A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more about splash screens. Failures: No manifest was fetched.
Manifest doesn't have a maskable icon
A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn about maskable manifest icons. No manifest was fetched
Does not set a theme color for the address bar.
The browser address bar can be themed to match your site. Learn more about theming the address bar. Failures: No manifest was fetched, No `<meta name="theme-color">` tag found.
Installable
Web app manifest or service worker do not meet the installability requirements
1 reason
Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more about manifest installability requirements.
About.youtube Mobile Accessibility: 98/100
Quick overview:
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Similar tests
www.about.com
www.about.net
www.about.org
www.about.info
www.about.biz
www.about.us
www.about.mobi
www.bout.youtube
www.about.youtube
www.qbout.youtube
www.aqbout.youtube
www.qabout.youtube
www.wbout.youtube
www.awbout.youtube
www.wabout.youtube
www.sbout.youtube
www.asbout.youtube
www.sabout.youtube
www.zbout.youtube
www.azbout.youtube
www.zabout.youtube
www.aout.youtube
www.avout.youtube
www.abvout.youtube
www.avbout.youtube
www.agout.youtube
www.abgout.youtube
www.agbout.youtube
www.ahout.youtube
www.abhout.youtube
www.ahbout.youtube
www.anout.youtube
www.abnout.youtube
www.anbout.youtube
www.abut.youtube
www.abiut.youtube
www.aboiut.youtube
www.abiout.youtube
www.abkut.youtube
www.abokut.youtube
www.abkout.youtube
www.ablut.youtube
www.abolut.youtube
www.ablout.youtube
www.abput.youtube
www.aboput.youtube
www.abpout.youtube
www.abot.youtube
www.aboyt.youtube
www.abouyt.youtube
www.aboyut.youtube
www.aboht.youtube
www.abouht.youtube
www.abohut.youtube
www.abojt.youtube
www.aboujt.youtube
www.abojut.youtube
www.aboit.youtube
www.abouit.youtube
www.abou.youtube
www.abour.youtube
www.aboutr.youtube
www.abourt.youtube
www.abouf.youtube
www.aboutf.youtube
www.abouft.youtube
www.aboug.youtube
www.aboutg.youtube
www.abougt.youtube
www.abouy.youtube
www.abouty.youtube
Last Tested: