4.9 sec in total
159 ms
3.7 sec
1.1 sec
Visit gjb.co.uk now to see the best up-to-date Gjb content and also check out these interesting facts you probably never knew about gjb.co.uk
Listers Trade suppliers, fabricating & supplying windows & doors to the trade for 40 years, delivery throughout the UK
Visit gjb.co.ukWe analyzed Gjb.co.uk page load time and found that the first response time was 159 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
gjb.co.uk performance score
name
value
score
weighting
Value11.3 s
0/100
10%
Value20.3 s
0/100
25%
Value11.3 s
5/100
10%
Value1,250 ms
19/100
30%
Value0
100/100
15%
Value17.7 s
4/100
10%
159 ms
319 ms
192 ms
285 ms
205 ms
Our browser made a total of 130 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Gjb.co.uk, 77% (100 requests) were made to Listerwindows.co.uk and 4% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Listerwindows.co.uk.
Page size can be reduced by 300.3 kB (9%)
3.5 MB
3.2 MB
In fact, the total size of Gjb.co.uk main page is 3.5 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 203.9 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 33.7 kB, which is 14% 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 203.9 kB or 85% of the original size.
Potential reduce by 4.8 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. Gjb images are well optimized though.
Potential reduce by 80.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 11.3 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. Gjb.co.uk needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 15% of the original size.
Number of requests can be reduced by 65 (55%)
118
53
The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gjb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
gjb.co.uk
159 ms
www.listerwindows.co.uk
319 ms
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gjb.co.uk accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
gjb.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
gjb.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Gjb.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 Gjb.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.
gjb.co.uk
Open Graph data is detected on the main page of Gjb. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: