5.9 sec in total
253 ms
2.7 sec
2.9 sec
Welcome to johnknightglass.co.uk homepage info - get ready to check John Knight Glass best content right away, or after learning these important things about johnknightglass.co.uk
John Knight Glass, established in 1984, offer a complete range of windows, doors, conservatories, orangerys and other home improvements.
Visit johnknightglass.co.ukWe analyzed Johnknightglass.co.uk page load time and found that the first response time was 253 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
johnknightglass.co.uk performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value16.2 s
0/100
25%
Value8.7 s
16/100
10%
Value310 ms
78/100
30%
Value0.398
25/100
15%
Value10.6 s
23/100
10%
253 ms
375 ms
72 ms
46 ms
171 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 71% of them (48 requests) were addressed to the original Johnknightglass.co.uk, 18% (12 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Johnknightglass.co.uk.
Page size can be reduced by 115.1 kB (0%)
26.3 MB
26.2 MB
In fact, the total size of Johnknightglass.co.uk main page is 26.3 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. Images take 26.0 MB which makes up the majority of the site volume.
Potential reduce by 58.5 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 22.2 kB, which is 32% 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 58.5 kB or 84% of the original size.
Potential reduce by 3.3 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. John Knight Glass images are well optimized though.
Potential reduce by 24.4 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 24.4 kB or 22% of the original size.
Potential reduce by 28.9 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. Johnknightglass.co.uk needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 30% of the original size.
Number of requests can be reduced by 14 (28%)
50
36
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Knight Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
johnknightglass.co.uk
253 ms
johnknightglass.co.uk
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gtm.js
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core.js
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jquery371.js
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bootstrap.min.css
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all.css
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lightbox.min.css
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css2
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utility.js
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bootstrap.bundle.min.js
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lightbox.js
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logofull.svg
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search.png
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slimlineslidingdoor.jpg
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prev.png
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loading.gif
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johnknightglass.co.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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
johnknightglass.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
johnknightglass.co.uk SEO score
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 Johnknightglass.co.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 Johnknightglass.co.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.
johnknightglass.co.uk
Open Graph description is not detected on the main page of John Knight Glass. 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: