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14 cheb.ru Last Updated: 2 weeks

Success 47% of passed verification steps
Warning 15% of total warning
Errors 38% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 68%
Best Practices Desktop Score 77%
SEO Desktop Score 91%
Progressive Web App Desktop Score 26%
Performance Mobile Score 28%
Best Practices Mobile Score 69%
SEO Mobile Score 91%
Progressive Web App Mobile Score 29%
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Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 17 Characters
: , , , , , ,
Meta Description 0 Characters
NO DATA
Effective URL 15 Characters
https://cheb.ru
Google Preview Your look like this in google search result
: , , , , , ,
https://cheb.ru
Robots.txt File Detected
Sitemap.xml File No Found
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 1970-01-01 / 51 years
Create on: 2002-01-09 / 19 years
Expires on: 2021-01-11 / 3 months 22 days

R01-RU ,

Nameservers
dns1.yandex.net.
dns2.yandex.net.
Page Size Code & Text Ratio
Document Size: ~47 B
Code Size: ~44 B
Text Size: ~3 B Ratio: 6.38%

Estimation Traffic and Earnings

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Technologies

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PWA - Manifest

Manifest is not valid
Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

Desktop Screenshot
User Timing marks and measures 4 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Keep request counts low and transfer sizes small 207 requests • 1,802 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Minimizes main-thread work 1.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Meaningful Paint 0.9 s
First Meaningful Paint measures when the primary content of a page is visible
JavaScript execution time 0.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 13.4 s
A fast page load over a cellular network ensures a good mobile user experience
Eliminate render-blocking resources Potential savings of 590 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
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
Avoid long main-thread tasks 2 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Avoids enormous network payloads Total size was 1,802 KiB
Large network payloads cost users real money and are highly correlated with long load times
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Speed Index 2.3 s
Speed Index shows how quickly the contents of a page are visibly populated
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
First Contentful Paint 0.9 s
First Contentful Paint marks the time at which the first text or image is painted
Largest Contentful Paint 3.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Remove unused JavaScript Potential savings of 306 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Avoid an excessive DOM size 1,240 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)
First CPU Idle 1.6 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/).
Preload key requests Potential savings of 920 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Efficiently encode images Potential savings of 13 KiB
Optimized images load faster and consume less cellular data
Cumulative Layout Shift 0.222
Cumulative Layout Shift measures the movement of visible elements within the viewport
Total Blocking Time 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Use video formats for animated content Potential savings of 74 KiB
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes
Includes front-end JavaScript libraries with known security vulnerabilities 6 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Minify JavaScript Potential savings of 11 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Serve static assets with an efficient cache policy 123 resources found
A long cache lifetime can speed up repeat visits to your page
Avoid chaining critical requests 19 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
Time to Interactive 2.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Properly size images Potential savings of 17 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Estimated Input Latency 20 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
Reduce initial server response time Root document took 1,090 ms
Keep the server response time for the main document short because all other requests depend on it
Defer offscreen images Potential savings of 172 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Minimize third-party usage Third-party code blocked the main thread for 10 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
Serve images in next-gen formats Potential savings of 32 KiB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
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

Mobile

Mobile Screenshot
First Contentful Paint 3.2 s
First Contentful Paint marks the time at which the first text or image is painted
Keep request counts low and transfer sizes small 228 requests • 1,901 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Efficiently encode images Potential savings of 13 KiB
Optimized images load faster and consume less cellular data
User Timing marks and measures 14 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Serve static assets with an efficient cache policy 126 resources found
A long cache lifetime can speed up repeat visits to your page
Total Blocking Time 1,320 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Page load is not fast enough on mobile networks Interactive at 16.3 s
A fast page load over a cellular network ensures a good mobile user experience
First CPU Idle 11.2 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/).
Minify JavaScript Potential savings of 11 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Remove unused JavaScript Potential savings of 275 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Preload key requests Potential savings of 3,330 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Serve images in next-gen formats Potential savings of 32 KiB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Minimize main-thread work 9.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Reduce the impact of third-party code Third-party code blocked the main thread for 1,740 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
Eliminate render-blocking resources Potential savings of 1,560 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
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
Document uses legible font sizes 93.89% 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
Time to Interactive 16.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Tap targets are not sized appropriately 92% 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
Defer offscreen images Potential savings of 509 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Largest Contentful Paint 4.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Properly size images Potential savings of 5 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Avoid an excessive DOM size 1,256 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)
First Meaningful Paint 3.2 s
First Meaningful Paint measures when the primary content of a page is visible
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
Use video formats for animated content Potential savings of 50 KiB
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes
Avoid chaining critical requests 19 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
Estimated Input Latency 160 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
Avoids enormous network payloads Total size was 1,901 KiB
Large network payloads cost users real money and are highly correlated with long load times
Max Potential First Input Delay 360 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Reduce JavaScript execution time 5.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Includes front-end JavaScript libraries with known security vulnerabilities 6 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Reduce initial server response time Root document took 930 ms
Keep the server response time for the main document short because all other requests depend on it
Avoid long main-thread tasks 20 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Speed Index 11.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First Contentful Paint (3G) 6409 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network

Speed And Optimization Tips

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Alexa Rank

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Information Server

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