Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

open.edu

Distance Learning Courses and Adult Education - The Open University

Page Load Speed

3.1 sec in total

First Response

190 ms

Resources Loaded

2.5 sec

Page Rendered

370 ms

About Website

Visit open.edu now to see the best up-to-date Open content for India and also check out these interesting facts you probably never knew about open.edu

The Open University offers flexible full-time and part-time study, supported distance and open learning for undergraduate and postgraduate courses and qualifications.

Visit open.edu

Key Findings

We analyzed Open.edu page load time and found that the first response time was 190 ms and then it took 2.9 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

open.edu performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value2,020 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

open.edu

190 ms

www.open.edu

180 ms

www.open.ac.uk

465 ms

headerfooter.css

232 ms

headerfooter.min.js

230 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Open.edu, 58% (30 requests) were made to Open.ac.uk and 13% (7 requests) were made to Player.open.ac.uk. The less responsive or slowest element that took the longest time to load (750 ms) relates to the external source Open.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 824.1 kB (50%)

Content Size

1.7 MB

After Optimization

832.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Open.edu main page is 1.7 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. 35% of websites need less resources to load. Javascripts take 769.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 26.3 kB

  • Original 33.4 kB
  • After minification 28.8 kB
  • After compression 7.1 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 4.6 kB, which is 14% 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 26.3 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 72.5 kB

  • Original 623.2 kB
  • After minification 550.7 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, Open needs image optimization as it can save up to 72.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 525.6 kB

  • Original 769.0 kB
  • After minification 724.1 kB
  • After compression 243.4 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 525.6 kB or 68% of the original size.

CSS Optimization

-87%

Potential reduce by 199.6 kB

  • Original 230.7 kB
  • After minification 178.4 kB
  • After compression 31.1 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. Open.edu needs all CSS files to be minified and compressed as it can save up to 199.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (51%)

Requests Now

45

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

open.edu accessibility score

100

Accessibility Issues

Best Practices

open.edu 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

Missing source maps for large first-party JavaScript

SEO Factors

open.edu SEO score

92

Search Engine Optimization Advices

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

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