Tools & Wizards About Us
cambridgemaths.org screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

cambridgemaths.org

Cambridge Mathematics: Rethinking support for curriculum design

Page Load Speed

3.8 sec in total

First Response

649 ms

Resources Loaded

2.9 sec

Page Rendered

260 ms

cambridgemaths.org screenshot

About Website

Click here to check amazing Cambridge Maths content. Otherwise, check out these important facts you probably never knew about cambridgemaths.org

Cambridge Mathematics is developing a flexible and interconnected digital Framework to help reimagine mathematics education 3-19.

Visit cambridgemaths.org

Key Findings

We analyzed Cambridgemaths.org page load time and found that the first response time was 649 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cambridgemaths.org performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.845

4/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

www.cambridgemaths.org

649 ms

gtm.js

52 ms

local-publication.css

160 ms

local-business.css

241 ms

style.css

326 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 88% of them (57 requests) were addressed to the original Cambridgemaths.org, 6% (4 requests) were made to Google.com and 3% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (951 ms) belongs to the original domain Cambridgemaths.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 318.9 kB (19%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cambridgemaths.org main page is 1.6 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. 45% of websites need less resources to load. Images take 987.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.4 kB

  • Original 52.9 kB
  • After minification 44.6 kB
  • After compression 9.5 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. This page needs HTML code to be minified as it can gain 8.3 kB, which is 16% 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 43.4 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 66.0 kB

  • Original 987.1 kB
  • After minification 921.1 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 Maths images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 206.0 kB

  • Original 539.3 kB
  • After minification 537.8 kB
  • After compression 333.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 206.0 kB or 38% of the original size.

CSS Optimization

-6%

Potential reduce by 3.5 kB

  • Original 61.0 kB
  • After minification 61.0 kB
  • After compression 57.5 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. Cambridgemaths.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (58%)

Requests Now

64

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cambridge Maths. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cambridgemaths.org

www.cambridgemaths.org

649 ms

gtm.js

gtm.js

52 ms

local-publication.css

local-publication.css

160 ms

local-business.css

local-business.css

241 ms

style.css

style.css

326 ms

modernizr.custom.min.js

modernizr.custom.min.js

248 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

410 ms

jwplayer.js

jwplayer.js

361 ms

RUM1monitoring.js

RUM1monitoring.js

278 ms

jquery-ui.min.js

jquery-ui.min.js

478 ms

jquery-accessibleMegaMenu--modified.js

jquery-accessibleMegaMenu--modified.js

333 ms

jquery.clickable.min.js

jquery.clickable.min.js

372 ms

jquery.flexslider-modified-min.js

jquery.flexslider-modified-min.js

403 ms

jquery.cookie.js

jquery.cookie.js

408 ms

jquery.fancybox--modified.js

jquery.fancybox--modified.js

461 ms

eventCarousel.js

eventCarousel.js

466 ms

dropdown.js

dropdown.js

490 ms

accordian.js

accordian.js

490 ms

sitemap-accordion.js

sitemap-accordion.js

489 ms

browser.js

browser.js

551 ms

imagemapster.js

imagemapster.js

555 ms

ucles.jquery.responsive-table.js

ucles.jquery.responsive-table.js

559 ms

ucles.jquery.multi-media.js

ucles.jquery.multi-media.js

569 ms

ucles.jquery.navigation-state.js

ucles.jquery.navigation-state.js

569 ms

ucles.jquery.dropdown-link-selector.js

ucles.jquery.dropdown-link-selector.js

570 ms

ucles.jquery.accordion.js

ucles.jquery.accordion.js

641 ms

ucles.jquery.ajax-loading.js

ucles.jquery.ajax-loading.js

644 ms

ucles.jquery.video-z-index-fix.js

ucles.jquery.video-z-index-fix.js

639 ms

jquery.validate.min.js

jquery.validate.min.js

648 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

649 ms

jquery.ui.touch-punch.js

jquery.ui.touch-punch.js

650 ms

init.js

init.js

744 ms

ucles.jquery.cached-autocomplete.js

ucles.jquery.cached-autocomplete.js

731 ms

site24x7rum-min.js

site24x7rum-min.js

44 ms

cse.js

cse.js

54 ms

sprite-social-media.png

sprite-social-media.png

313 ms

CM_logo_retina.png

CM_logo_retina.png

393 ms

math-mummy-slide.jpg

math-mummy-slide.jpg

630 ms

services-slide.jpg

services-slide.jpg

469 ms

teacher-practitioners-slide.jpg

teacher-practitioners-slide.jpg

672 ms

ai-slide.jpg

ai-slide.jpg

681 ms

E48-early-development-of-functional-thinking.jpg

E48-early-development-of-functional-thinking.jpg

584 ms

E47-developing-concepts-of-pattern.jpg

E47-developing-concepts-of-pattern.jpg

549 ms

E46-building-and-breaking-2D-and-3D-shapes.jpg

E46-building-and-breaking-2D-and-3D-shapes.jpg

711 ms

E45-teaching-logical-reasoning.jpg

E45-teaching-logical-reasoning.jpg

710 ms

sq-thumbnail.jpg

sq-thumbnail.jpg

671 ms

thumbnail-a-case-for-codap.jpg

thumbnail-a-case-for-codap.jpg

709 ms

thumbnail-effective-school-p2.jpg

thumbnail-effective-school-p2.jpg

762 ms

thumbnail-gap-gazing.png

thumbnail-gap-gazing.png

831 ms

Cambridge_Press_Assessment_Logo.svg

Cambridge_Press_Assessment_Logo.svg

951 ms

fom_home_logo_rgb.svg

fom_home_logo_rgb.svg

853 ms

foe_home_logo_rgb.svg

foe_home_logo_rgb.svg

841 ms

cambridge-mathematics-footer-logo.png

cambridge-mathematics-footer-logo.png

752 ms

cse_element__en.js

cse_element__en.js

22 ms

default+en.css

default+en.css

43 ms

default.css

default.css

45 ms

navigation-border-grey.gif

navigation-border-grey.gif

800 ms

arrow-white-right.png

arrow-white-right.png

815 ms

external-link.png

external-link.png

846 ms

down-arrow-white.png

down-arrow-white.png

599 ms

async-ads.js

async-ads.js

24 ms

branding.png

branding.png

21 ms

loader.gif

loader.gif

567 ms

search.png

search.png

599 ms

print.css

print.css

85 ms

Accessibility Review

cambridgemaths.org accessibility score

95

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

cambridgemaths.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

cambridgemaths.org 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 Cambridgemaths.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 Cambridgemaths.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

cambridgemaths.org

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