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ok.ru
Last Updated: 6 months
Success
47% of passed verification steps
Warning
23% of total warning
Errors
30% of total errors, require fast action
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Desktop
Mobile
Performance
Desktop Score 54%
Best Practices
Desktop Score 61%
SEO
Desktop Score 100%
Performance
Mobile Score 70%
Best Practices
Mobile Score 56%
SEO
Mobile Score 92%
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Social Data
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Desktop
Avoid chaining critical requests
16 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
Avoid long main-thread tasks
9 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Uses deprecated APIs
1 warning found
Deprecated APIs will eventually be removed from the browser
Reduce unused JavaScript
Potential savings of 278 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity
Serve static assets with an efficient cache policy
12 resources found
A long cache lifetime can speed up repeat visits to your page
Network Round Trip Times
120 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
Reduce unused CSS
Potential savings of 190 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity
Avoids enormous network payloads
Total size was 1,763 KiB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work
2.7 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Total Blocking Time
500 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Largest Contentful Paint
3.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Reduce the impact of third-party code
Third-party code blocked the main thread for 570 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
Server Backend Latencies
170 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
Largest Contentful Paint element
3,110 ms
This is the largest contentful element painted within the viewport
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](https://developers.google.com/web/fundamentals/security/prevent-mixed-content/what-is-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
Initial server response time was short
Root document took 200 ms
Keep the server response time for the main document short because all other requests depend on it
Avoid multiple page redirects
Potential savings of 190 ms
Redirects introduce additional delays before the page can be loaded
Avoids an excessive DOM size
486 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)
Avoid serving legacy JavaScript to modern browsers
Potential savings of 18 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers
Max Potential First Input Delay
270 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Speed Index
2.7 s
Speed Index shows how quickly the contents of a page are visibly populated
Eliminate render-blocking resources
Potential savings of 190 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
First Contentful Paint
0.8 s
First Contentful Paint marks the time at which the first text or image is painted
Time to Interactive
3.3 s
Time to Interactive is the amount of time it takes for the page to become fully interactive
Reduce JavaScript execution time
1.6 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Mobile
Legacy JavaScript
Est savings of 94 KiB
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile [Baseline](https://web.dev/articles/baseline-and-polyfills) features, unless you know you must support older browsers
First Contentful Paint
3.1 s
First Contentful Paint marks the time at which the first text or image is painted
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](https://developers.google.com/web/fundamentals/security/prevent-mixed-content/what-is-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
Uses deprecated APIs
1 warning found
Deprecated APIs will eventually be removed from the browser
Avoid enormous network payloads
Total size was 3,286 KiB
Large network payloads cost users real money and are highly correlated with long load times
Network Round Trip Times
80 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
Cumulative Layout Shift
0.005
Cumulative Layout Shift measures the movement of visible elements within the viewport
Minimizes main-thread work
1.8 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Reduce unused JavaScript
Est savings of 3,492 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity
Duplicated JavaScript
Est savings of 71 KiB
Remove large, [duplicate JavaScript modules](https://developer.chrome.com/docs/performance/insights/duplicated-javascript) from bundles to reduce unnecessary bytes consumed by network activity.
Document request latency
Est savings of 710 ms
Your first network request is the most important
Reduce JavaScript execution time
1.3 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Total Blocking Time
430 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Avoid multiple page redirects
Est savings of 1,110 ms
Redirects introduce additional delays before the page can be loaded
Use efficient cache lifetimes
Est savings of 93 KiB
A long cache lifetime can speed up repeat visits to your page
Render blocking requests
Est savings of 2,640 ms
Requests are blocking the page's initial render, which may delay LCP
Initial server response time was short
Root document took 120 ms
Keep the server response time for the main document short because all other requests depend on it
Avoid long main-thread tasks
10 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Largest Contentful Paint
3.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Max Potential First Input Delay
160 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Speed Index
6.1 s
Speed Index shows how quickly the contents of a page are visibly populated
Reduce unused CSS
Est savings of 129 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity
Time to Interactive
19.9 s
Time to Interactive is the amount of time it takes for the page to become fully interactive
Server Backend Latencies
10 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
Avoid large layout shifts
2 layout shifts found
These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to [windowing](https://web.dev/articles/cls#what_is_cls)
Speed And Optimization Tips
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Alexa Rank
99,999,999
Global Rank
99,999,999
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