4.3 sec in total
195 ms
3.4 sec
729 ms
Visit jackaluminium.co.uk now to see the best up-to-date Jack Aluminium content and also check out these interesting facts you probably never knew about jackaluminium.co.uk
Jack Aluminium Systems design and develop innovative, cost-effective and high-performance commercial and residential aluminium glazing solutions. Using value engineering principles, our team … Continu...
Visit jackaluminium.co.ukWe analyzed Jackaluminium.co.uk page load time and found that the first response time was 195 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
jackaluminium.co.uk performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value5.7 s
16/100
25%
Value8.1 s
21/100
10%
Value990 ms
28/100
30%
Value0.503
16/100
15%
Value45.9 s
0/100
10%
195 ms
891 ms
71 ms
45 ms
163 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 83% of them (70 requests) were addressed to the original Jackaluminium.co.uk, 5% (4 requests) were made to Use.fontawesome.com and 4% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jackaluminium.co.uk.
Page size can be reduced by 1.4 MB (8%)
16.4 MB
15.1 MB
In fact, the total size of Jackaluminium.co.uk main page is 16.4 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. 75% 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 15.5 MB which makes up the majority of the site volume.
Potential reduce by 85.1 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 85.1 kB or 86% of the original size.
Potential reduce by 615.1 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. Jack Aluminium images are well optimized though.
Potential reduce by 160.6 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 160.6 kB or 63% of the original size.
Potential reduce by 509.7 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. Jackaluminium.co.uk needs all CSS files to be minified and compressed as it can save up to 509.7 kB or 82% of the original size.
Number of requests can be reduced by 34 (47%)
72
38
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jack Aluminium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
jackaluminium.co.uk
195 ms
jackaluminium.co.uk
891 ms
js
71 ms
css
45 ms
all.css
163 ms
style.min.css
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crellyslider.min.css
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font-awesome.css
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jquery.min.js
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jquery-migrate.min.js
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core.min.js
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jquery.crellyslider.min.js
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slick.min.js
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ssb-ui-js.js
694 ms
js
85 ms
base.css
673 ms
carousel.min.js
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script.min.js
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effect.min.js
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effect-shake.min.js
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smush-lazy-load.min.js
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skip-link-focus-fix.js
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functions.js
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js
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analytics.js
20 ms
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jackaluminium.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-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
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
Links do not have a discernible name
jackaluminium.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
jackaluminium.co.uk SEO score
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
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 Jackaluminium.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 Jackaluminium.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.
jackaluminium.co.uk
Open Graph data is detected on the main page of Jack Aluminium. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: