Tools & Wizards About Us
cohere.open.ac.uk screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

cohere.open.ac.uk

Cohere >>> make the connection

Page Load Speed

3 sec in total

First Response

1 sec

Resources Loaded

1.8 sec

Page Rendered

193 ms

cohere.open.ac.uk screenshot

About Website

Click here to check amazing Cohere Open content for United Kingdom. Otherwise, check out these important facts you probably never knew about cohere.open.ac.uk

Visit cohere.open.ac.uk

Key Findings

We analyzed Cohere.open.ac.uk page load time and found that the first response time was 1 sec and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cohere.open.ac.uk performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.121

84/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

cohere.open.ac.uk

1005 ms

style.css

275 ms

jquery-latest.min.js

5 ms

bg.gif

158 ms

cohere_logo.gif

261 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 93% of them (14 requests) were addressed to the original Cohere.open.ac.uk, 7% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Cohere.open.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.5 kB (81%)

Content Size

32.7 kB

After Optimization

6.2 kB

  • HTML
  • CSS

In fact, the total size of Cohere.open.ac.uk main page is 32.7 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. CSS take 19.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.7 kB

  • Original 13.4 kB
  • After minification 13.3 kB
  • After compression 3.7 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 9.7 kB or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 16.8 kB

  • Original 19.3 kB
  • After minification 13.2 kB
  • After compression 2.4 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. Cohere.open.ac.uk needs all CSS files to be minified and compressed as it can save up to 16.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (50%)

Requests Now

14

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cohere Open. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

cohere.open.ac.uk

cohere.open.ac.uk

1005 ms

style.css

style.css

275 ms

jquery-latest.min.js

jquery-latest.min.js

5 ms

bg.gif

bg.gif

158 ms

cohere_logo.gif

cohere_logo.gif

261 ms

home.gif

home.gif

238 ms

h1.gif

h1.gif

259 ms

social.gif

social.gif

266 ms

email.gif

email.gif

262 ms

deli.gif

deli.gif

365 ms

digg.gif

digg.gif

477 ms

permalink.gif

permalink.gif

457 ms

comment.gif

comment.gif

493 ms

side-bar.gif

side-bar.gif

505 ms

bullet.gif

bullet.gif

501 ms

Accessibility Review

cohere.open.ac.uk accessibility score

59

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

cohere.open.ac.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Missing source maps for large first-party JavaScript

SEO Factors

cohere.open.ac.uk SEO score

50

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

Image elements do not have [alt] attributes

High

Document uses plugins

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 Cohere.open.ac.uk 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 Cohere.open.ac.uk 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

cohere.open.ac.uk

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