2.8 sec in total
268 ms
2.1 sec
462 ms
Visit technology.open.ac.uk now to see the best up-to-date Technology Open content for United Kingdom and also check out these interesting facts you probably never knew about technology.open.ac.uk
Faculty of Science, Technology, Engineering and Mathematics at the Open University. We are world leaders in inclusive, innovative and impactful STEM teaching and research.
Visit technology.open.ac.ukWe analyzed Technology.open.ac.uk page load time and found that the first response time was 268 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
technology.open.ac.uk performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value10.0 s
0/100
25%
Value6.1 s
45/100
10%
Value1,450 ms
15/100
30%
Value0.065
97/100
15%
Value10.3 s
25/100
10%
268 ms
394 ms
70 ms
137 ms
205 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Technology.open.ac.uk, 66% (42 requests) were made to Stem.open.ac.uk and 17% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (548 ms) relates to the external source Stem.open.ac.uk.
Page size can be reduced by 241.3 kB (27%)
890.0 kB
648.7 kB
In fact, the total size of Technology.open.ac.uk main page is 890.0 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. 55% of websites need less resources to load. Images take 491.3 kB which makes up the majority of the site volume.
Potential reduce by 65.7 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 65.7 kB or 75% of the original size.
Potential reduce by 36.8 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. Technology Open images are well optimized though.
Potential reduce by 138.4 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 138.4 kB or 50% of the original size.
Potential reduce by 413 B
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. Technology.open.ac.uk has all CSS files already compressed.
Number of requests can be reduced by 32 (53%)
60
28
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Technology 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 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
technology.open.ac.uk
268 ms
stem.open.ac.uk
394 ms
css_rEI_5cK_B9hB4So2yZUtr5weuEV3heuAllCDE6XsIkI.css
70 ms
css_HuvOPUruGjuDlpeBkV4QObVKw1JOL4REx9rB3qGPBso.css
137 ms
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205 ms
css_AJ_aC_IkoION4Ax5Io5UNBlyFHC_iNopOhOb5KvknCo.css
272 ms
js_6UR8aB1w5-y_vdUUdWDWlX2QhWu_qIXlEGEV48YgV-c.js
278 ms
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204 ms
js_V5g6xXD_BFA4P2tYlN34wTmbeXoCfvvUasR4CPITsN0.js
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headerfooter.min.js
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headerfooter.css
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widgets.js
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loader.js
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OU_Logo.svg
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OU_Logo_Mobile.svg
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academic-square.jpg
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OU_Crest_SVG.svg
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OU_Crest_SVG_Mobile.svg
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stem.open.ac.uk
443 ms
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444 ms
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455 ms
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fontawesome-webfont.woff
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widget_iframe.2f70fb173b9000da126c79afe2098f02.html
98 ms
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25 ms
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analytics.js
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EX5da0992a38a7437a911a554ec00fda36-libraryCode_source.min.js
11 ms
technology.open.ac.uk accessibility score
technology.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
technology.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 Technology.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 Technology.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.
technology.open.ac.uk
Open Graph description is not detected on the main page of Technology 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: