3 sec in total
344 ms
2.2 sec
376 ms
Welcome to computinghistory.org.uk homepage info - get ready to check Computing History best content for United Kingdom right away, or after learning these important things about computinghistory.org.uk
The Centre for Computing History is a computer and video game museum based in Cambridge, UK. With a collection of vintage computers and game consoles, many of the exhibits are hands on and interactive...
Visit computinghistory.org.ukWe analyzed Computinghistory.org.uk page load time and found that the first response time was 344 ms and then it took 2.6 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.
computinghistory.org.uk performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value9.2 s
1/100
25%
Value6.2 s
44/100
10%
Value310 ms
77/100
30%
Value0.095
91/100
15%
Value6.3 s
61/100
10%
344 ms
357 ms
24 ms
37 ms
86 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 86% of them (59 requests) were addressed to the original Computinghistory.org.uk, 4% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (964 ms) belongs to the original domain Computinghistory.org.uk.
Page size can be reduced by 461.5 kB (21%)
2.2 MB
1.8 MB
In fact, the total size of Computinghistory.org.uk main page is 2.2 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. 35% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 30.6 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 30.6 kB or 80% of the original size.
Potential reduce by 53.5 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. Computing History images are well optimized though.
Potential reduce by 351.8 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 351.8 kB or 84% of the original size.
Potential reduce by 25.6 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. Computinghistory.org.uk needs all CSS files to be minified and compressed as it can save up to 25.6 kB or 82% of the original size.
Number of requests can be reduced by 23 (37%)
63
40
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computing History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
computinghistory.org.uk
344 ms
www.computinghistory.org.uk
357 ms
css
24 ms
css
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design-stu.css
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sitewisemenu.css
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colorbox.css
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flipclock.css
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jquery-1.8.3.js
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sitewise.js
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jquery.colorbox.js
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jquery.history.js
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jquery.opacityrollover.js
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jssor.js
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jssor.slider.js
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comphist.js
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flipclock.js
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jssorinit.js
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sitewisemenu.js
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analytics.js
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header-bg.png
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footer-bg.png
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hello-world.png
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centre-computing-history.gif
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search-button.png
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basket.png
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computinghistory.org.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
Links do not have a discernible name
computinghistory.org.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
Page has valid source maps
computinghistory.org.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Tap targets are not sized appropriately
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Computinghistory.org.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 Computinghistory.org.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
computinghistory.org.uk
Open Graph description is not detected on the main page of Computing History. 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: