Access assets.cambridgeenglish.org. Learning English | Cambridge English | Learning English

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value3,300 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.879

3/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

assets.cambridgeenglish.org

414 ms

416 ms

291 ms

local-publication

411 ms

local-business

422 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Assets.cambridgeenglish.org, 73% (45 requests) were made to Cambridgeenglish.org and 10% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (739 ms) relates to the external source Cambridgeenglish.org.

Content Size

1.2 MB

After Optimization

821.1 kB

In fact, the total size of Assets.cambridgeenglish.org main page is 1.2 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 111.9 kB

Original 122.3 kB
After minification 76.7 kB
After compression 10.4 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 45.7 kB, which is 37% 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 111.9 kB or 91% of the original size.

Image Optimization

-27%

Potential reduce by 280.5 kB

Original 1.0 MB
After minification 768.0 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. Obviously, Assets Cambridge English needs image optimization as it can save up to 280.5 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 1.6 kB

Original 44.2 kB
After minification 43.5 kB
After compression 42.6 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 Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Assets Cambridge English. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

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

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Assets.cambridgeenglish.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 Assets.cambridgeenglish.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

assets.cambridgeenglish.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Learning English | Cambridge English | Learning English | Cambridge English

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

assets.cambridgeenglish.org

local-publication

local-business

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

assets.cambridgeenglish.org

local-publication

local-business

style

main

header

conversion.js

event-tracker.js

body

footer

sprite-social-media.png

globe-padded_white.png

navigation-border-grey.gif

ce_logo_retina.png

search.png

feature-landing_tcm32-288767.jpg

a1w003-what-you-did-last-saturday_tcm32-289256_w800.jpg

b2w005-full-stops-and-commas_tcm32-289310_w800.jpg

c1v002-statements-and-opinions_tcm32-289321_w800.jpg

b2r003-retail-therapy_tcm32-289304_w800.jpg

b2v005b-word-families-friends_tcm32-289315_w800.jpg

c1r002-science-fiction_tcm32-289856_w800.jpg

alte-logo_nomensa_tcm32-172600.png

english-profile-logo_nomensa_tcm32-172605.png

CUP-logo-2_tcm32-172604.png

cam-assessment-logo_nomensa_tcm32-172602.png

bsi-logo_nomensa_tcm32-172601.png

bg_promo-search-left.png

bg_promo-search-right.png

arrow-white-right.png

external-link.png

ss-glyphish-outlined.woff

fontawesome-webfont.woff

ga.js

sb.min.js

webfont.js

down-arrow-white.png

arrow-black-down-padded.png

search-for-activities-8x9_tcm32-288774_w800.jpg

games-and-social-media-16x9_tcm32-288771_w800.jpg

english-for-children_2-16x9_tcm32-288790_w800.jpg

exam-preparation-16x9_tcm32-288788_w800.jpg

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test-your-english-16x9_tcm32-288777_w800.jpg

more-free-resources-16x9_tcm32-288764_w800.jpg

ui-bg_flat_75_ffffff_40x100.png