30.2 sec in total
505 ms
21.9 sec
7.8 sec
Visit open.ac.uk now to see the best up-to-date Open content for United Kingdom and also check out these interesting facts you probably never knew about open.ac.uk
The Open University offers flexible part-time study, supported distance and open learning for undergraduate and postgraduate courses and qualifications.
Visit open.ac.ukWe analyzed Open.ac.uk page load time and found that the first response time was 505 ms and then it took 29.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
open.ac.uk performance score
name
value
score
weighting
Value8.0 s
0/100
10%
Value8.0 s
2/100
25%
Value13.6 s
2/100
10%
Value8,880 ms
0/100
30%
Value0
100/100
15%
Value22.9 s
1/100
10%
505 ms
812 ms
274 ms
126 ms
58 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 63% of them (36 requests) were addressed to the original Open.ac.uk, 7% (4 requests) were made to 221317523.log.optimizely.com and 4% (2 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Open.ac.uk.
Page size can be reduced by 1.6 MB (51%)
3.2 MB
1.6 MB
In fact, the total size of Open.ac.uk main page is 3.2 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. 65% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 30.2 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 7.0 kB, which is 18% 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 30.2 kB or 78% of the original size.
Potential reduce by 96.4 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. Open images are well optimized though.
Potential reduce by 861.6 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 861.6 kB or 68% of the original size.
Potential reduce by 629.7 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. Open.ac.uk needs all CSS files to be minified and compressed as it can save up to 629.7 kB or 85% of the original size.
Number of requests can be reduced by 29 (59%)
49
20
The browser has sent 49 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 23 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
open.ac.uk
505 ms
www.open.ac.uk
812 ms
modernizr-2.6.2.min.js
274 ms
221317523.js
126 ms
satelliteLib-05638696b6b1957263568043144849476ce12d0d.js
58 ms
headerfooter.min.js
272 ms
headerfooter.css
272 ms
theme.css
2859 ms
screen.css
2859 ms
kentico-custom-styles.css
239 ms
dev.css
2855 ms
ouhome2016-fed17j.css
2843 ms
jquery-1.10.2.min.js
2715 ms
jquery-ui-1.10.4.custom.min.js
2781 ms
spin.js
2714 ms
ou.widgets.js
2779 ms
ou.eep.min.js
2781 ms
jquery.actual.js
2778 ms
jquery.placeholder.js
2778 ms
jquery.smartresize.js
2779 ms
OU_Throbber.js
2780 ms
main.js
2779 ms
ouhome2014.js
2779 ms
geo2.js
2050 ms
event
2814 ms
event
2779 ms
id
1379 ms
id
689 ms
sprite.png
930 ms
train-your-staff.jpg
933 ms
open-learn.jpg
776 ms
17Jcalendar.png
814 ms
event
430 ms
event
375 ms
headerfooter-print.css
921 ms
gtm.js
812 ms
sprite-ou-home.png
516 ms
research.jpg
505 ms
s-code-contents-059ecb8b9dfcd68b40bc11d5c3ef743eaf8a2825.js
713 ms
print.css
245 ms
fontawesome-webfont.woff
735 ms
fontawesome-webfont.woff
733 ms
FTN45__W.woff
695 ms
s6420670909807
837 ms
conversion_async.js
98 ms
2589.js
65 ms
bat.js
58 ms
fontawesome-webfont.ttf
984 ms
activityi;src=4672041;type=main;cat=walto0;ord=1;num=8440352180903;~oref=http%3A%2F%2Fwww.open.ac.uk%2F
155 ms
1331 ms
1465 ms
s
1448 ms
fontawesome-webfont.svg
455 ms
u
1616 ms
ou-royal-fca-statement.txt
1542 ms
ip.shtm
1156 ms
analytics.js
228 ms
open.ac.uk accessibility score
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
<frame> or <iframe> elements do not have a title
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
open.ac.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
open.ac.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open.ac.uk 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.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.
open.ac.uk
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: