Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

kali.org

Kali Linux | Penetration Testing and Ethical Hacking Linux Distribution

Page Load Speed

684 ms in total

First Response

46 ms

Resources Loaded

461 ms

Page Rendered

177 ms

kali.org screenshot

About Website

Welcome to kali.org homepage info - get ready to check Kali best content for China right away, or after learning these important things about kali.org

Home of Kali Linux, an Advanced Penetration Testing Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.

Visit kali.org

Key Findings

We analyzed Kali.org page load time and found that the first response time was 46 ms and then it took 638 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

kali.org performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

kali.org

46 ms

www.kali.org

127 ms

style.min.css

17 ms

index.min.css

26 ms

index.min.js

32 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that all of those requests were addressed to Kali.org and no external sources were called. The less responsive or slowest element that took the longest time to load (217 ms) belongs to the original domain Kali.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.9 kB (2%)

Content Size

1.5 MB

After Optimization

1.5 MB

In fact, the total size of Kali.org main page is 1.5 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. 70% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 29.8 kB

  • Original 45.8 kB
  • After minification 45.8 kB
  • After compression 16.0 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 29.8 kB or 65% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.5 MB
  • After minification 1.5 MB

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. Kali images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 24 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 1.1 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.

Requests Breakdown

We found no issues to fix!

Requests Now

57

After Optimization

57

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kali. According to our analytics all requests are already optimized.

Accessibility Review

kali.org accessibility score

88

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

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

kali.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

kali.org 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 Kali.org 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 Kali.org 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 Kali. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: