Tools & Wizards About Us
cambridgegcsecomputing.org screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cambridgegcsecomputing.org

Cambridge GCSE Computing Online - supporting the GCSE in Computing Science from OCR

Page Load Speed

2.6 sec in total

First Response

382 ms

Resources Loaded

2 sec

Page Rendered

208 ms

cambridgegcsecomputing.org screenshot

About Website

Visit cambridgegcsecomputing.org now to see the best up-to-date Cambridge GCSE Computing content for United Kingdom and also check out these interesting facts you probably never knew about cambridgegcsecomputing.org

Cambridge GCSE Computing Online - the home of Computer Science teaching and assessment with OCR and Cambridge University Press

Visit cambridgegcsecomputing.org

Key Findings

We analyzed Cambridgegcsecomputing.org page load time and found that the first response time was 382 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cambridgegcsecomputing.org performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

cambridgegcsecomputing.org

382 ms

bootstrap.min.css

551 ms

prettyPhoto.css

494 ms

style.css

513 ms

jquery-1.11.3.min.js

601 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 14% of them (4 requests) were addressed to the original Cambridgegcsecomputing.org, 54% (15 requests) were made to Shared.exintra.net and 11% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (791 ms) relates to the external source Shared.exintra.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.0 kB (6%)

Content Size

928.6 kB

After Optimization

873.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cambridgegcsecomputing.org main page is 928.6 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. 20% of websites need less resources to load. Images take 753.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 24.1 kB

  • Original 30.5 kB
  • After minification 25.1 kB
  • After compression 6.4 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 5.4 kB, which is 18% 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 24.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 11.5 kB

  • Original 753.0 kB
  • After minification 741.5 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. Cambridge GCSE Computing images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.0 kB

  • Original 93.9 kB
  • After minification 93.7 kB
  • After compression 91.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-34%

Potential reduce by 17.4 kB

  • Original 51.2 kB
  • After minification 51.0 kB
  • After compression 33.8 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. Cambridgegcsecomputing.org needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (56%)

Requests Now

25

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cambridge GCSE Computing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cambridgegcsecomputing.org

cambridgegcsecomputing.org

382 ms

bootstrap.min.css

bootstrap.min.css

551 ms

prettyPhoto.css

prettyPhoto.css

494 ms

style.css

style.css

513 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

601 ms

owl.carousel.css

owl.carousel.css

516 ms

likes.js

likes.js

516 ms

hoverIntent.js

hoverIntent.js

576 ms

superfish.js

superfish.js

596 ms

owl.carousel.min.js

owl.carousel.min.js

600 ms

791 ms

font-awesome.min.css

font-awesome.min.css

643 ms

bootstrap.min.js

bootstrap.min.js

659 ms

css

css

33 ms

analytics.js

analytics.js

22 ms

collect

collect

14 ms

js

js

75 ms

collect

collect

11 ms

vulnerability-scanner-2.gif

vulnerability-scanner-2.gif

52 ms

bubbles-circle.jpg

bubbles-circle.jpg

63 ms

splash-circle.jpg

splash-circle.jpg

400 ms

gcseteachersresourcecircle.png

gcseteachersresourcecircle.png

99 ms

header-img.jpg

header-img.jpg

531 ms

top-logo.png

top-logo.png

98 ms

ga.js

ga.js

34 ms

icon_close.png

icon_close.png

86 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

38 ms

__utm.gif

__utm.gif

20 ms

Accessibility Review

cambridgegcsecomputing.org 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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

cambridgegcsecomputing.org best practices score

58

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

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

SEO Factors

cambridgegcsecomputing.org SEO score

79

Search Engine Optimization Advices

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 Cambridgegcsecomputing.org 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 Cambridgegcsecomputing.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

cambridgegcsecomputing.org

Open Graph description is not detected on the main page of Cambridge GCSE Computing. 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: