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leetcode.knoji.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

leetcode.knoji.com

LeetCode Review | Leetcode.com Ratings & Customer Reviews – Feb '25

Page Load Speed

1.1 sec in total

First Response

261 ms

Resources Loaded

724 ms

Page Rendered

113 ms

leetcode.knoji.com screenshot

About Website

Visit leetcode.knoji.com now to see the best up-to-date Leetcode Knoji content for United States and also check out these interesting facts you probably never knew about leetcode.knoji.com

LeetCode reviews and Leetcode.com customer ratings for February 2025. LeetCode is an extremely popular interview prep & coaching store which competes against other interview prep & coaching stores lik...

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Key Findings

We analyzed Leetcode.knoji.com page load time and found that the first response time was 261 ms and then it took 837 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

leetcode.knoji.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value19.0 s

0/100

10%

TBT (Total Blocking Time)

Value8,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.22

57/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

Network Requests Diagram

leetcode.knoji.com

261 ms

fontawesome_css_all.min-br.css

117 ms

knoji-css.min.css

151 ms

common.css

145 ms

css

123 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Leetcode.knoji.com, 52% (11 requests) were made to Knoji.com and 10% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (261 ms) belongs to the original domain Leetcode.knoji.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.2 kB (61%)

Content Size

207.7 kB

After Optimization

81.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leetcode.knoji.com main page is 207.7 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. 50% of websites need less resources to load. HTML takes 138.0 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 123.8 kB

  • Original 138.0 kB
  • After minification 103.0 kB
  • After compression 14.2 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 35.0 kB, which is 25% 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 123.8 kB or 90% of the original size.

Image Optimization

-23%

Potential reduce by 200 B

  • Original 868 B
  • After minification 668 B

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, Leetcode Knoji needs image optimization as it can save up to 200 B or 23% 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 96 B

  • Original 23.7 kB
  • After minification 23.7 kB
  • After compression 23.7 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

-5%

Potential reduce by 2.1 kB

  • Original 45.0 kB
  • After minification 45.0 kB
  • After compression 43.0 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. Leetcode.knoji.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (80%)

Requests Now

20

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leetcode Knoji. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

leetcode.knoji.com

leetcode.knoji.com

261 ms

fontawesome_css_all.min-br.css

fontawesome_css_all.min-br.css

117 ms

knoji-css.min.css

knoji-css.min.css

151 ms

common.css

common.css

145 ms

css

css

123 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

118 ms

clipboard.min.js

clipboard.min.js

147 ms

jquery-ui.min.js

jquery-ui.min.js

133 ms

jquery.min.js

jquery.min.js

147 ms

common.min.js

common.min.js

143 ms

froala_editor.pkgd.min.css

froala_editor.pkgd.min.css

147 ms

froala_style.min.css

froala_style.min.css

173 ms

embedly.min.css

embedly.min.css

174 ms

platform.js

platform.js

133 ms

froala_editor.pkgd.min.js

froala_editor.pkgd.min.js

192 ms

embedly.min.js

embedly.min.js

176 ms

js

js

167 ms

pinit.js

pinit.js

112 ms

0116.js

0116.js

134 ms

leetcode.jpg

leetcode.jpg

139 ms

logo34.png

logo34.png

137 ms

Accessibility Review

leetcode.knoji.com accessibility score

85

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

Form elements do not have associated labels

Best Practices

leetcode.knoji.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

leetcode.knoji.com SEO score

95

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leetcode.knoji.com 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 Leetcode.knoji.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

leetcode.knoji.com

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