16.1 sec in total
4.5 sec
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327 ms
Welcome to jbstructures.co.uk homepage info - get ready to check JB Structures best content right away, or after learning these important things about jbstructures.co.uk
We undertake all aspects of Substructure and Superstructure works on projects with values ranging from £250,000 up to £10,000,000, across London and the Home Countries. We have many years of combined ...
Visit jbstructures.co.ukWe analyzed Jbstructures.co.uk page load time and found that the first response time was 4.5 sec and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
jbstructures.co.uk performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value19.3 s
0/100
25%
Value25.7 s
0/100
10%
Value950 ms
29/100
30%
Value0.015
100/100
15%
Value17.3 s
4/100
10%
4458 ms
58 ms
446 ms
515 ms
392 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 63% of them (45 requests) were addressed to the original Jbstructures.co.uk, 27% (19 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Jbstructures.co.uk.
Page size can be reduced by 868.8 kB (55%)
1.6 MB
717.2 kB
In fact, the total size of Jbstructures.co.uk main page is 1.6 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. 70% of websites need less resources to load. Images take 959.8 kB which makes up the majority of the site volume.
Potential reduce by 103.8 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 103.8 kB or 81% of the original size.
Potential reduce by 713.7 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. Obviously, JB Structures needs image optimization as it can save up to 713.7 kB or 74% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 41.6 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 41.6 kB or 12% of the original size.
Potential reduce by 9.7 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. Jbstructures.co.uk has all CSS files already compressed.
Number of requests can be reduced by 35 (69%)
51
16
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JB Structures. 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 14 to 1 for CSS and as a result speed up the page load time.
jbstructures.co.uk
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jbstructures.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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.
jbstructures.co.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
Page has valid source maps
jbstructures.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jbstructures.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 Jbstructures.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.
jbstructures.co.uk
Open Graph data is detected on the main page of JB Structures. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: