Tools & Wizards About Us

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% 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

4.5 sec in total

First Response

355 ms

Resources Loaded

3.6 sec

Page Rendered

609 ms

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 355 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

isoclad.co.uk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

isoclad.co.uk

355 ms

www.isoclad.co.uk

1327 ms

c3e239569b5a66a55e3a44f9caede791.css

117 ms

dd275c430579f80e3ecb891498410320.css

588 ms

f382888d5a22f0c77207bd5d1ff5eee4.css

316 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 88% of them (29 requests) were addressed to the original Isoclad.co.uk, 9% (3 requests) were made to Unpkg.com and 3% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Isoclad.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.2 kB (26%)

Content Size

391.9 kB

After Optimization

289.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isoclad.co.uk main page is 391.9 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. 25% of websites need less resources to load. Javascripts take 140.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 77.8 kB

  • Original 91.7 kB
  • After minification 68.9 kB
  • After compression 13.9 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 22.8 kB, which is 25% 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 77.8 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 1.6 kB

  • Original 131.1 kB
  • After minification 129.5 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

-13%

Potential reduce by 17.7 kB

  • Original 140.9 kB
  • After minification 140.9 kB
  • After compression 123.3 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 17.7 kB or 13% of the original size.

CSS Optimization

-18%

Potential reduce by 5.1 kB

  • Original 28.2 kB
  • After minification 28.2 kB
  • After compression 23.1 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 10 (59%)

Requests Now

17

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 17 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 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

isoclad.co.uk accessibility score

86

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: