Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

openuniversity.edu

The Open University | Courses and Qualifications

Page Load Speed

4.7 sec in total

First Response

236 ms

Resources Loaded

4.2 sec

Page Rendered

253 ms

openuniversity.edu screenshot

About Website

Welcome to openuniversity.edu homepage info - get ready to check Open University best content for India right away, or after learning these important things about openuniversity.edu

Distance and Online Courses from The Open University. View our Certificates, Diplomas, Degrees, Masters Degrees and PhDs.

Visit openuniversity.edu

Key Findings

We analyzed Openuniversity.edu page load time and found that the first response time was 236 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

openuniversity.edu performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value4,160 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

openuniversity.edu

236 ms

www.openuniversity.edu

2119 ms

GetResource.ashx

159 ms

2346810288.js

191 ms

modernizr-2.6.2.min.js

254 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 62% of them (53 requests) were addressed to the original Openuniversity.edu, 7% (6 requests) were made to Player.open.ac.uk and 6% (5 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Openuniversity.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (65%)

Content Size

1.8 MB

After Optimization

621.1 kB

In fact, the total size of Openuniversity.edu main page is 1.8 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. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 100.4 kB

  • Original 123.4 kB
  • After minification 94.9 kB
  • After compression 23.0 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 28.5 kB, which is 23% 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 100.4 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 30.8 kB

  • Original 273.6 kB
  • After minification 242.7 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 University needs image optimization as it can save up to 30.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 780.4 kB

  • Original 1.1 MB
  • After minification 951.5 kB
  • After compression 310.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 780.4 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 244.6 kB

  • Original 289.3 kB
  • After minification 231.8 kB
  • After compression 44.7 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. Openuniversity.edu needs all CSS files to be minified and compressed as it can save up to 244.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (75%)

Requests Now

76

After Optimization

19

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open University. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

openuniversity.edu accessibility score

100

Accessibility Issues

Best Practices

openuniversity.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

Page has valid source maps

SEO Factors

openuniversity.edu SEO score

93

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openuniversity.edu 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 Openuniversity.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 University. 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: