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hexlet.org screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

hexlet.org

hexlet.org

Page Load Speed

1.8 sec in total

First Response

175 ms

Resources Loaded

946 ms

Page Rendered

635 ms

hexlet.org screenshot

About Website

Welcome to hexlet.org homepage info - get ready to check Hexlet best content for Russia right away, or after learning these important things about hexlet.org

Онлайн-курсы по программированию и разработке, видео-лекции и упражнения

Visit hexlet.org

Key Findings

We analyzed Hexlet.org page load time and found that the first response time was 175 ms and then it took 1.6 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

hexlet.org performance score

0

Network Requests Diagram

hexlet.org

175 ms

ru.hexlet.io

484 ms

rollbar.min.js

119 ms

analytics.js

139 ms

welcome-1e0778f4b32b4fc16946918bd2136c448ed916f77301c12cab615ee749fce25d.css

179 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Hexlet.org, 79% (22 requests) were made to D2vgcf2rm1on1i.cloudfront.net and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (484 ms) relates to the external source Ru.hexlet.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 476.8 kB (45%)

Content Size

1.1 MB

After Optimization

594.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hexlet.org main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 818.0 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 18.3 kB

  • Original 26.6 kB
  • After minification 26.5 kB
  • After compression 8.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.3 kB or 69% of the original size.

Image Optimization

-34%

Potential reduce by 278.1 kB

  • Original 818.0 kB
  • After minification 539.9 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, Hexlet needs image optimization as it can save up to 278.1 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-88%

Potential reduce by 180.4 kB

  • Original 205.6 kB
  • After minification 125.6 kB
  • After compression 25.2 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. Hexlet.org needs all CSS files to be minified and compressed as it can save up to 180.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (20%)

Requests Now

25

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hexlet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

hexlet.org

hexlet.org

175 ms

ru.hexlet.io

ru.hexlet.io

484 ms

rollbar.min.js

rollbar.min.js

119 ms

analytics.js

analytics.js

139 ms

welcome-1e0778f4b32b4fc16946918bd2136c448ed916f77301c12cab615ee749fce25d.css

welcome-1e0778f4b32b4fc16946918bd2136c448ed916f77301c12cab615ee749fce25d.css

179 ms

hexlet-logo-28972b250dd90cea0635d616174bfa717c9ee763e25138fe9cdb410bdbc186c2.svg

hexlet-logo-28972b250dd90cea0635d616174bfa717c9ee763e25138fe9cdb410bdbc186c2.svg

123 ms

hexlet-screenshot-rus-2-ea29e656659ea95759aaf73429743d2320c4ab78bf403411993e75a659ee507a.png

hexlet-screenshot-rus-2-ea29e656659ea95759aaf73429743d2320c4ab78bf403411993e75a659ee507a.png

164 ms

map@2x-b151b0a7cb13bc92ad4ce68e89bf9acf419daa80f379eef507e4d1b795d869ec.png

map@2x-b151b0a7cb13bc92ad4ce68e89bf9acf419daa80f379eef507e4d1b795d869ec.png

124 ms

spaceship@2x-627fd4c33d2c520209137a7222b6a8679388b9b051f3ddbd4cd9e0be666d5ac5.png

spaceship@2x-627fd4c33d2c520209137a7222b6a8679388b9b051f3ddbd4cd9e0be666d5ac5.png

123 ms

chat@2x-3a1da4b1acf725a6d17a1e7dea6abd9743f6871426886e72e4da69e555e21097.png

chat@2x-3a1da4b1acf725a6d17a1e7dea6abd9743f6871426886e72e4da69e555e21097.png

125 ms

calendar@2x-645e505164a34c60921046e20a740dd92a73fa8666901265883a1d6bb8e1a187.png

calendar@2x-645e505164a34c60921046e20a740dd92a73fa8666901265883a1d6bb8e1a187.png

158 ms

microphone@2x-b079e1ff5698d07e8d2d4d783634a937163b8b204ca87d0d484f15013d630d80.png

microphone@2x-b079e1ff5698d07e8d2d4d783634a937163b8b204ca87d0d484f15013d630d80.png

156 ms

shirt@2x-25af322a551d515956a94b7b682808d16e461e037e348870ca24591c999c5f08.png

shirt@2x-25af322a551d515956a94b7b682808d16e461e037e348870ca24591c999c5f08.png

156 ms

php_course-cb507c8fd5929776a6e4f47f598bd79161c8d156e50c01f8e7e5e65d9f0f5f73.png

php_course-cb507c8fd5929776a6e4f47f598bd79161c8d156e50c01f8e7e5e65d9f0f5f73.png

166 ms

regular_exp_course1-2567f3cd893151b5d4ec05060df0f78856a092305ed6d64bc35b9514b6e1052d.png

regular_exp_course1-2567f3cd893151b5d4ec05060df0f78856a092305ed6d64bc35b9514b6e1052d.png

163 ms

ansible_course-649020a3f495638a6a3540581dcf45bb09f92b1c3c3b1ec0409695c138c4ac50.png

ansible_course-649020a3f495638a6a3540581dcf45bb09f92b1c3c3b1ec0409695c138c4ac50.png

164 ms

react_course-f39cfdef67593d4ffcfdacb640174ba4f0b6bcf5f228590d4ba1d7d1cb980e69.png

react_course-f39cfdef67593d4ffcfdacb640174ba4f0b6bcf5f228590d4ba1d7d1cb980e69.png

168 ms

sql_course-55a536e57fe6720a7684fc2c68706f30579ef35b6451803e51bd167acdd0fa42.png

sql_course-55a536e57fe6720a7684fc2c68706f30579ef35b6451803e51bd167acdd0fa42.png

159 ms

http_protocols_course-98faa6f2302a0a848110977a3e66681489bfbaa8fe94fa9d02a2daae60b12e10.png

http_protocols_course-98faa6f2302a0a848110977a3e66681489bfbaa8fe94fa9d02a2daae60b12e10.png

190 ms

java_course_1-a34e0e1b1f6fb7cc1663307e0f58ba652936f882004cac32092e6dfcf1b5d043.png

java_course_1-a34e0e1b1f6fb7cc1663307e0f58ba652936f882004cac32092e6dfcf1b5d043.png

191 ms

testing_course_c-0c7115cd32ba8ea5ca6a3b76c98ff9bfd9c9792ef5fea3f37c293324d0216205.png

testing_course_c-0c7115cd32ba8ea5ca6a3b76c98ff9bfd9c9792ef5fea3f37c293324d0216205.png

192 ms

video-b67407992eb28c1c0a3d152a08bdcce7c3fa3f5f17717e199caab6675698fb5a.svg

video-b67407992eb28c1c0a3d152a08bdcce7c3fa3f5f17717e199caab6675698fb5a.svg

186 ms

exercise-cb8e43acbbc127c4e13c606d064545562c060a2d14bbdfad2f042bda943e6972.svg

exercise-cb8e43acbbc127c4e13c606d064545562c060a2d14bbdfad2f042bda943e6972.svg

187 ms

chat-eb406899a5ee376796d08cae77b41f23dc839328ce7f079f414bbdbce4293a96.svg

chat-eb406899a5ee376796d08cae77b41f23dc839328ce7f079f414bbdbce4293a96.svg

188 ms

certificate-d4df9c9fd486a222bc3775a29fbd91a9db1b289a4bcea7a793438beb19e21f73.svg

certificate-d4df9c9fd486a222bc3775a29fbd91a9db1b289a4bcea7a793438beb19e21f73.svg

192 ms

collect

collect

48 ms

bg-jumbotron-a478abdd23ad055b882353254eb0979467707bd7911f0133c9fa72e35a5d585e.svg

bg-jumbotron-a478abdd23ad055b882353254eb0979467707bd7911f0133c9fa72e35a5d585e.svg

11 ms

collect

collect

77 ms

SEO Factors

hexlet.org SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hexlet.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Hexlet.org main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

hexlet.org

Open Graph data is detected on the main page of Hexlet. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: