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7 studfile.net Last Updated: 10 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 97%
Best Practices Desktop Score 85%
SEO Desktop Score 90%
Progressive Web App Desktop Score 54%
Performance Mobile Score 52%
Best Practices Mobile Score 77%
SEO Mobile Score 89%
Progressive Web App Mobile Score 30%
Page Authority Authority 16%
Domain Authority Domain Authority 38%
Moz Rank 1.6/10
Bounce Rate Rate 0%
Title Tag 39 Characters
ФАЙЛОВЫЙ АРХИВ ДЛЯ СТУДЕНТОВ. STUDFILES
Meta Description 0 Characters
NO DATA
Effective URL 24 Characters
https://studfile.net:443
Excerpt Page content
Файловый архив для студентов. StudFiles Файловый архив студентов.1116 вузов, 2772 предметов. ...
Keywords Cloud Density
университет635 государственный457 институт250 академия165 национальный120 государственная98 технический75 московский70 медицинский69 педагогический67
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
университет 635
государственный 457
институт 250
академия 165
национальный 120
государственная 98
технический 75
московский 70
медицинский 69
педагогический 67
Google Preview Your look like this in google search result
ФАЙЛОВЫЙ АРХИВ ДЛЯ СТУДЕНТОВ. STUDFILES
https://studfile.net:443
Файловый архив для студентов. StudFiles Файловый архив студентов.1116 вузов, 2772 предметов. ...
Robots.txt File Detected
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~401.48 KB
Code Size: ~143.33 KB
Text Size: ~258.16 KB Ratio: 64.30%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

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

Desktop

Desktop Screenshot
Total Blocking Time 820 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.7 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
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
Properly size images Potential savings of 3 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.1 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 2.0 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).
Avoids enormous network payloads Total size was 873 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 2.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.4 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
Avoid chaining critical requests 3 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 an excessive DOM size 8,479 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 0.4 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 23 requests • 873 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 3 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 870 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 2.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive
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
Estimated Input Latency 310 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
Minify CSS Potential savings of 5 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 123 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
Server response times are low (TTFB) Root document took 430 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 20 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Minimize third-party usage Third-party code blocked the main thread for 60 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

Mobile

Mobile Screenshot
Server response times are low (TTFB) Root document took 390 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 30 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Reduce the impact of third-party code Third-party code blocked the main thread for 1,750 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
Total Blocking Time 7,450 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 10.7 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
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
Speed Index 4.9 s
Speed Index shows how quickly the contents of a page are visibly populated
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).
Avoids enormous network payloads Total size was 872 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 16.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.6 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
Avoid chaining critical requests 3 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 an excessive DOM size 8,477 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 1.6 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 21 requests • 872 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 3 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 5,740 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 11.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
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
Page load is not fast enough on mobile networks Interactive at 11.3 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 3060 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 4,200 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
Minify CSS Potential savings of 5 KB
Minifying CSS files can reduce network payload sizes
Tap targets are not sized appropriately 82% 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
Document uses legible font sizes 100% 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
Remove unused CSS Potential savings of 123 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

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Server: nginx
Date: Tue, 26 Nov 2019 13:36:19 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Set-Cookie: PHPSESSID=3g13bpvbs754lrqmmk13c80tq2; path=/; HttpOnly
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000;
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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