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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

devacademy.ru

Статьи | DevAcademy

Page Load Speed

2.3 sec in total

First Response

655 ms

Resources Loaded

1.4 sec

Page Rendered

280 ms

devacademy.ru screenshot

About Website

Welcome to devacademy.ru homepage info - get ready to check Dev Academy best content for Russia right away, or after learning these important things about devacademy.ru

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Key Findings

We analyzed Devacademy.ru page load time and found that the first response time was 655 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

devacademy.ru performance score

0

Network Requests Diagram

devacademy.ru

655 ms

style.css

515 ms

ico-development-s.png

258 ms

ico-php-s.png

259 ms

ico-administration-s.png

263 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 86% of them (19 requests) were addressed to the original Devacademy.ru, 9% (2 requests) were made to Fonts.googleapis.com and 5% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (655 ms) belongs to the original domain Devacademy.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 275.4 kB (69%)

Content Size

397.3 kB

After Optimization

121.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Devacademy.ru main page is 397.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 290.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 24.0 kB

  • Original 27.7 kB
  • After minification 17.6 kB
  • After compression 3.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 10.1 kB, which is 36% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.0 kB or 87% of the original size.

Image Optimization

-29%

Potential reduce by 6.8 kB

  • Original 23.7 kB
  • After minification 16.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Dev Academy needs image optimization as it can save up to 6.8 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 198.3 kB

  • Original 290.1 kB
  • After minification 286.7 kB
  • After compression 91.8 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 198.3 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 46.3 kB

  • Original 55.8 kB
  • After minification 44.1 kB
  • After compression 9.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Devacademy.ru needs all CSS files to be minified and compressed as it can save up to 46.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (19%)

Requests Now

21

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

devacademy.ru

devacademy.ru

655 ms

style.css

style.css

515 ms

ico-development-s.png

ico-development-s.png

258 ms

ico-php-s.png

ico-php-s.png

259 ms

ico-administration-s.png

ico-administration-s.png

263 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

528 ms

jquery.plugins.js

jquery.plugins.js

655 ms

custom.js

custom.js

265 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

396 ms

ico-email.png

ico-email.png

271 ms

ico-passw.png

ico-passw.png

396 ms

css

css

25 ms

css

css

37 ms

ico-menu.png

ico-menu.png

133 ms

postnav-corner.png

postnav-corner.png

131 ms

ico-search.png

ico-search.png

132 ms

ico-comment-s.png

ico-comment-s.png

133 ms

ico-people-s.png

ico-people-s.png

255 ms

arrows.png

arrows.png

261 ms

social.png

social.png

261 ms

preloader.GIF

preloader.GIF

260 ms

analytics.js

analytics.js

21 ms

SEO Factors

devacademy.ru SEO score

0

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Devacademy.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Devacademy.ru main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

devacademy.ru

Open Graph description is not detected on the main page of Dev Academy. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: