Tools & Wizards About Us
ofcode.org screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

ofcode.org

Paste ofCode

Page Load Speed

845 ms in total

First Response

169 ms

Resources Loaded

575 ms

Page Rendered

101 ms

ofcode.org screenshot

About Website

Click here to check amazing OfCode content for United States. Otherwise, check out these important facts you probably never knew about ofcode.org

Visit ofcode.org

Key Findings

We analyzed Ofcode.org page load time and found that the first response time was 169 ms and then it took 676 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

ofcode.org performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

ofcode.org

169 ms

paste.ofcode.org

72 ms

ofcode-03222012.2-min.css

77 ms

bitstream_mono.css

53 ms

ofcode-03222012.2-min.js

233 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 10% of them (1 request) were addressed to the original Ofcode.org, 30% (3 requests) were made to Assets2.ofcode.org and 30% (3 requests) were made to Assets1.ofcode.org. The less responsive or slowest element that took the longest time to load (233 ms) relates to the external source Assets1.ofcode.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 331.8 kB (66%)

Content Size

499.2 kB

After Optimization

167.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ofcode.org main page is 499.2 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. Only 10% of websites need less resources to load. Javascripts take 333.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 34.5 kB

  • Original 44.6 kB
  • After minification 44.3 kB
  • After compression 10.2 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. 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 34.5 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 68 B

  • Original 1.8 kB
  • After minification 1.7 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. OfCode images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 237.7 kB

  • Original 333.6 kB
  • After minification 332.8 kB
  • After compression 95.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 237.7 kB or 71% of the original size.

CSS Optimization

-50%

Potential reduce by 59.6 kB

  • Original 119.2 kB
  • After minification 119.0 kB
  • After compression 59.6 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. Ofcode.org needs all CSS files to be minified and compressed as it can save up to 59.6 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (43%)

Requests Now

7

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OfCode. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ofcode.org

ofcode.org

169 ms

paste.ofcode.org

paste.ofcode.org

72 ms

ofcode-03222012.2-min.css

ofcode-03222012.2-min.css

77 ms

bitstream_mono.css

bitstream_mono.css

53 ms

ofcode-03222012.2-min.js

ofcode-03222012.2-min.js

233 ms

paste_small.png

paste_small.png

61 ms

print.4.css

print.4.css

54 ms

css

css

43 ms

mode-python.js

mode-python.js

21 ms

AAN42mNgZGBg4ANiCQYQYGJgZGBm5AGSLGAeAwAE9ABCAAAAAAEAAAAAxtQumQAAAAC6wO6bAAAAALrCbAU=

AAN42mNgZGBg4ANiCQYQYGJgZGBm5AGSLGAeAwAE9ABCAAAAAAEAAAAAxtQumQAAAAC6wO6bAAAAALrCbAU=

17 ms

Accessibility Review

ofcode.org accessibility score

77

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.

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

ofcode.org best practices score

83

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

SEO Factors

ofcode.org SEO score

64

Search Engine Optimization Advices

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 Ofcode.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 Ofcode.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

ofcode.org

Open Graph description is not detected on the main page of OfCode. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: