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Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

devnet.jetbrains.com

Product & Technical Support - JetBrains

Page Load Speed

2.3 sec in total

First Response

174 ms

Resources Loaded

2 sec

Page Rendered

125 ms

devnet.jetbrains.com screenshot

About Website

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Key Findings

We analyzed Devnet.jetbrains.com page load time and found that the first response time was 174 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

devnet.jetbrains.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value1,920 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

devnet.jetbrains.com

174 ms

devnet.jetbrains.com

348 ms

522 ms

fonts.css

28 ms

common.787c4766e852f52f8b457320fd0bbbe3.css

99 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Devnet.jetbrains.com, 28% (11 requests) were made to Jetbrains.com and 20% (8 requests) were made to . The less responsive or slowest element that took the longest time to load (522 ms) relates to the external source Jetbrains.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 995.5 kB (64%)

Content Size

1.6 MB

After Optimization

562.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Devnet.jetbrains.com main page is 1.6 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. 40% of websites need less resources to load. CSS take 838.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 134.2 kB

  • Original 169.1 kB
  • After minification 137.7 kB
  • After compression 34.8 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 31.4 kB, which is 19% 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 134.2 kB or 79% of the original size.

JavaScript Optimization

-65%

Potential reduce by 355.5 kB

  • Original 550.9 kB
  • After minification 546.5 kB
  • After compression 195.4 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 355.5 kB or 65% of the original size.

CSS Optimization

-60%

Potential reduce by 505.9 kB

  • Original 838.0 kB
  • After minification 835.0 kB
  • After compression 332.1 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. Devnet.jetbrains.com needs all CSS files to be minified and compressed as it can save up to 505.9 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (81%)

Requests Now

27

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Devnet Jet Brains. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

devnet.jetbrains.com

devnet.jetbrains.com

174 ms

devnet.jetbrains.com

devnet.jetbrains.com

348 ms

522 ms

fonts.css

fonts.css

28 ms

common.787c4766e852f52f8b457320fd0bbbe3.css

common.787c4766e852f52f8b457320fd0bbbe3.css

99 ms

default-page.79254d58ef70ac3b9df2e5edbcc54b9c.css

default-page.79254d58ef70ac3b9df2e5edbcc54b9c.css

195 ms

index.entry.5ba55cdc4380ea64b3e4e83612938460.css

index.entry.5ba55cdc4380ea64b3e4e83612938460.css

218 ms

common.33e633b702b4f91c1e4a.js

common.33e633b702b4f91c1e4a.js

466 ms

default-page.66a8dfb26c3387b05231.js

default-page.66a8dfb26c3387b05231.js

330 ms

index.entry.4666c932567d182c401d.js

index.entry.4666c932567d182c401d.js

282 ms

banner-rotator.css

banner-rotator.css

279 ms

cookie.js

cookie.js

285 ms

banners-rotator.js

banners-rotator.js

287 ms

D47A0BED0EB32F96C.css

D47A0BED0EB32F96C.css

81 ms

gtm.js

gtm.js

79 ms

xoAAQABAOk=

xoAAQABAOk=

39 ms

xoAAQABAOk=

xoAAQABAOk=

38 ms

GgABAAEA6Q==

GgABAAEA6Q==

37 ms

GgABAAEA6Q==

GgABAAEA6Q==

36 ms

8ACgABAAAADgAAABgAAAAAAAIAAQABADgAAQAEAAAAAgAA

8ACgABAAAADgAAABgAAAAAAAIAAQABADgAAQAEAAAAAgAA

35 ms

AAoAAQAAAA4AAAAYAAAAAAACAAEAAQA4AAEABAAAAAIAAA==

AAoAAQAAAA4AAAAYAAAAAAACAAEAAQA4AAEABAAAAAIAAA==

35 ms

8ACgABAAAADgAAABgAAAAAAAIAAQABADgAAQAEAAAAAgAA

8ACgABAAAADgAAABgAAAAAAAIAAQABADgAAQAEAAAAAgAA

35 ms

8ACgABAAAADgAAABgAAAAAAAIAAQABADgAAQAEAAAAAgAA

8ACgABAAAADgAAABgAAAAAAAIAAQABADgAAQAEAAAAAgAA

34 ms

banners.jsp

banners.jsp

103 ms

geo

geo

335 ms

6939.js

6939.js

67 ms

analytics.js

analytics.js

50 ms

oct.js

oct.js

141 ms

s

s

92 ms

u

u

62 ms

linkid.js

linkid.js

15 ms

ec.js

ec.js

20 ms

collect

collect

5 ms

collect

collect

51 ms

ga-audiences

ga-audiences

51 ms

adsct

adsct

94 ms

adsct

adsct

93 ms

munchkin.js

munchkin.js

40 ms

munchkin.js

munchkin.js

12 ms

nr-852.min.js

nr-852.min.js

98 ms

Accessibility Review

devnet.jetbrains.com accessibility score

83

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

devnet.jetbrains.com best practices score

85

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

devnet.jetbrains.com SEO score

99

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Devnet.jetbrains.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Devnet.jetbrains.com 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

devnet.jetbrains.com

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