Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

jazz.net

Jazz Community Site

Page Load Speed

1.6 sec in total

First Response

31 ms

Resources Loaded

1.4 sec

Page Rendered

81 ms

About Website

Visit jazz.net now to see the best up-to-date Jazz content for India and also check out these interesting facts you probably never knew about jazz.net

IBM's Engineering Lifecycle Management products are supported by the Jazz Community Site, helping you you manage requirements, quality and changes, and improve project planning and tracking.

Visit jazz.net

Key Findings

We analyzed Jazz.net page load time and found that the first response time was 31 ms and then it took 1.5 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

jazz.net performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value4,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

jazz.net

31 ms

css

43 ms

JazzCS.css

20 ms

NavBar.css

19 ms

shared.css

26 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 52% of them (13 requests) were addressed to the original Jazz.net, 44% (11 requests) were made to 1.www.s81c.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jazz.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.0 kB (20%)

Content Size

356.8 kB

After Optimization

284.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Jazz.net main page is 356.8 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. 45% of websites need less resources to load. Javascripts take 220.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 25.2 kB

  • Original 32.7 kB
  • After minification 31.2 kB
  • After compression 7.5 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 25.2 kB or 77% of the original size.

JavaScript Optimization

-7%

Potential reduce by 16.0 kB

  • Original 220.3 kB
  • After minification 220.3 kB
  • After compression 204.3 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

-30%

Potential reduce by 30.8 kB

  • Original 103.8 kB
  • After minification 103.8 kB
  • After compression 73.0 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. Jazz.net needs all CSS files to be minified and compressed as it can save up to 30.8 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (83%)

Requests Now

24

After Optimization

4

  • AJAX
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jazz.net accessibility score

97

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

jazz.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jazz.net SEO score

100

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jazz.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Jazz.net 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

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