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85 4pda.ru Last Updated: 3 months

Success 55% of passed verification steps
Warning 7% of total warning
Errors 38% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 82%
Best Practices Desktop Score 85%
SEO Desktop Score 90%
Progressive Web App Desktop Score 30%
Performance Mobile Score 57%
Best Practices Mobile Score 85%
SEO Mobile Score 90%
Progressive Web App Mobile Score 32%
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Charset Encoding
Great, language/character encoding is specified: WINDOWS-1251
Title Tag 0 Characters
NO DATA
Meta Description 0 Characters
NO DATA
Effective URL 15 Characters
https://4pda.ru
Google Preview Your look like this in google search result
4pda.ru
https://4pda.ru
Robots.txt File Detected
Sitemap.xml File Detected
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: 2005-07-10 / 15 years
Expires on: 2019-07-10 / 14 months 16 days

RU-CENTER-RU ,

Nameservers
hugh.ns.cloudflare.com.
olga.ns.cloudflare.com.
Page Size Code & Text Ratio
Document Size: ~1 B
Code Size: ~NAN B
Text Size: ~1 B Ratio: 100.00%

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
Efficiently encode images Potential savings of 229 KB
Optimized images load faster and consume less cellular data
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
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
Avoid chaining critical requests 4 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
Serve static assets with an efficient cache policy 56 resources found
A long cache lifetime can speed up repeat visits to your page
Remove unused CSS Potential savings of 30 KB
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 2.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
JavaScript execution time 0.5 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Speed Index 1.5 s
Speed Index shows how quickly the contents of a page are visibly populated
Minify CSS Potential savings of 2 KB
Minifying CSS files can reduce network payload sizes
Avoid enormous network payloads Total size was 4,073 KB
Large network payloads cost users real money and are highly correlated with long load times
Serve images in next-gen formats Potential savings of 2,962 KB
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
Largest Contentful Paint element 1 element found
This is the element that was identified as the Largest Contentful Paint
Eliminate render-blocking resources Potential savings of 290 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Total Blocking Time 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Minimizes main-thread work 0.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Keep request counts low and transfer sizes small 80 requests • 4,073 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Defer offscreen images Potential savings of 2,082 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Avoid an excessive DOM size 1,443 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)
Time to Interactive 2.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Cumulative Layout Shift 0.048
Cumulative Layout Shift measures the movement of visible elements within the viewport
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 14.5 s
A fast page load over a cellular network ensures a good mobile user experience
First Meaningful Paint 0.6 s
First Meaningful Paint measures when the primary content of a page is visible
First CPU Idle 0.9 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).
Initial server response time was short Root document took 20 ms
Keep the server response time for the main document short because all other requests depend on it
Remove unused JavaScript Potential savings of 112 KB
Remove unused JavaScript to reduce bytes consumed by network activity
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
First Contentful Paint 0.6 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 4 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Estimated Input Latency 10 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
Properly size images Potential savings of 25 KB
Serve images that are appropriately-sized to save cellular data and improve load 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

Mobile

Mobile Screenshot
Avoid an excessive DOM size 1,460 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)
Efficiently encode images Potential savings of 187 KB
Optimized images load faster and consume less cellular data
First Contentful Paint 2.0 s
First Contentful Paint marks the time at which the first text or image is painted
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
Total Blocking Time 340 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Remove unused CSS Potential savings of 29 KB
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
Page load is not fast enough on mobile networks Interactive at 14.2 s
A fast page load over a cellular network ensures a good mobile user experience
Minimize main-thread work 3.2 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Cumulative Layout Shift 0.211
Cumulative Layout Shift measures the movement of visible elements within the viewport
Avoid chaining critical requests 4 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
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
First CPU Idle 4.2 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).
Estimated Input Latency 50 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
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
Serve static assets with an efficient cache policy 57 resources found
A long cache lifetime can speed up repeat visits to your page
Initial server response time was short Root document took 20 ms
Keep the server response time for the main document short because all other requests depend on it
Remove unused JavaScript Potential savings of 110 KB
Remove unused JavaScript to reduce bytes consumed by network activity
Reduce JavaScript execution time 2.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Keep request counts low and transfer sizes small 82 requests • 3,893 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Time to Interactive 14.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Minimize third-party usage Third-party code blocked the main thread for 170 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
Speed Index 5.3 s
Speed Index shows how quickly the contents of a page are visibly populated
Document uses legible font sizes 99.99% 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
First Meaningful Paint 2.1 s
First Meaningful Paint measures when the primary content of a page is visible
Includes front-end JavaScript libraries with known security vulnerabilities 4 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Largest Contentful Paint element 1 element found
This is the element that was identified as the Largest Contentful Paint
Eliminate render-blocking resources Potential savings of 1,020 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Serve images in next-gen formats Potential savings of 2,860 KB
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
Minify CSS Potential savings of 2 KB
Minifying CSS files can reduce network payload sizes
Largest Contentful Paint 4.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Avoid large layout shifts 4 elements found
These DOM elements contribute most to the CLS of the page.
Max Potential First Input Delay 300 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Avoid enormous network payloads Total size was 3,893 KB
Large network payloads cost users real money and are highly correlated with long load times
Defer offscreen images Potential savings of 2,751 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
First Contentful Paint (3G) 4260 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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