Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

isoclad.co.uk

Composite Panels | Full Range Including Mineral Wool & PIR | Isoclad | The UK’s largest independent manufacturer of insulated composite panels

Page Load Speed

4.1 sec in total

First Response

291 ms

Resources Loaded

2.9 sec

Page Rendered

908 ms

isoclad.co.uk screenshot

About Website

Click here to check amazing Isoclad content. Otherwise, check out these important facts you probably never knew about isoclad.co.uk

Welcome to Isoclad - the UK’s largest independent manufacturer of insulated composite panels, flashings and ancillaries.

Visit isoclad.co.uk

Key Findings

We analyzed Isoclad.co.uk page load time and found that the first response time was 291 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

isoclad.co.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value12.4 s

14/100

10%

Network Requests Diagram

isoclad.co.uk

291 ms

www.isoclad.co.uk

1078 ms

js

53 ms

a48565a8346374f62f59dfed6e0ec9e6.css

91 ms

dd275c430579f80e3ecb891498410320.css

155 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 65% of them (35 requests) were addressed to the original Isoclad.co.uk, 6% (3 requests) were made to Googletagmanager.com and 6% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Isoclad.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.2 kB (12%)

Content Size

882.0 kB

After Optimization

774.8 kB

In fact, the total size of Isoclad.co.uk main page is 882.0 kB. 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. Javascripts take 385.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 81.7 kB

  • Original 97.7 kB
  • After minification 74.8 kB
  • After compression 16.1 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. This page needs HTML code to be minified as it can gain 22.9 kB, which is 23% 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 81.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 1.6 kB

  • Original 370.2 kB
  • After minification 368.6 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. Isoclad images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 18.8 kB

  • Original 385.9 kB
  • After minification 385.9 kB
  • After compression 367.0 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.

CSS Optimization

-18%

Potential reduce by 5.1 kB

  • Original 28.2 kB
  • After minification 28.2 kB
  • After compression 23.0 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. Isoclad.co.uk needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (53%)

Requests Now

38

After Optimization

18

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isoclad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

isoclad.co.uk accessibility score

87

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Image elements do not have [alt] attributes

Best Practices

isoclad.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

isoclad.co.uk SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isoclad.co.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 Isoclad.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Isoclad. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: