Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

languageresearch.cambridge.org

Language Research - Language and Pedagogy Research for ELT

Page Load Speed

55.5 sec in total

First Response

247 ms

Resources Loaded

27.3 sec

Page Rendered

27.9 sec

languageresearch.cambridge.org screenshot

About Website

Welcome to languageresearch.cambridge.org homepage info - get ready to check Language Research Cambridge best content for China right away, or after learning these important things about languageresearch.cambridge.org

Cambridge University Press conducts research investigating written and spoken English in order to understand how we use language. Our research informs and improves our English Language Teaching resour...

Visit languageresearch.cambridge.org

Key Findings

We analyzed Languageresearch.cambridge.org page load time and found that the first response time was 247 ms and then it took 55.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

languageresearch.cambridge.org performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value45.8 s

0/100

25%

SI (Speed Index)

Value46.0 s

0/100

10%

TBT (Total Blocking Time)

Value63,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value80.3 s

0/100

10%

Network Requests Diagram

languageresearch.cambridge.org

247 ms

better-learning-insights

233 ms

better-learning-insights

5761 ms

gtm.js

236 ms

ccm.base.css

91 ms

Our browser made a total of 138 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Languageresearch.cambridge.org, 65% (90 requests) were made to Cambridge.org and 7% (10 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (7.6 sec) relates to the external source Cambridge.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (10%)

Content Size

14.5 MB

After Optimization

13.0 MB

In fact, the total size of Languageresearch.cambridge.org main page is 14.5 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. Only a small number of websites need less resources to load. Images take 13.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 186.6 kB

  • Original 228.1 kB
  • After minification 227.8 kB
  • After compression 41.5 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. 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 186.6 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 886.2 kB

  • Original 13.4 MB
  • After minification 12.5 MB

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. Language Research Cambridge images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 54.1 kB

  • Original 359.0 kB
  • After minification 358.9 kB
  • After compression 304.9 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 54.1 kB or 15% of the original size.

CSS Optimization

-67%

Potential reduce by 330.6 kB

  • Original 492.3 kB
  • After minification 492.1 kB
  • After compression 161.7 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. Languageresearch.cambridge.org needs all CSS files to be minified and compressed as it can save up to 330.6 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (55%)

Requests Now

113

After Optimization

51

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Language Research Cambridge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

languageresearch.cambridge.org accessibility score

87

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

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

languageresearch.cambridge.org best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

languageresearch.cambridge.org SEO score

84

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Languageresearch.cambridge.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 Languageresearch.cambridge.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

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