Tools & Wizards About Us
isotek.co.uk screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

isotek.co.uk

CSS Isotek Ltd design, fabricate and test a range of bespoke equipment

Page Load Speed

1.7 sec in total

First Response

416 ms

Resources Loaded

1.1 sec

Page Rendered

178 ms

isotek.co.uk screenshot

About Website

Visit isotek.co.uk now to see the best up-to-date Isotek content and also check out these interesting facts you probably never knew about isotek.co.uk

CSS Isotek Ltd design, fabricate and test a range of bespoke equipment for projects operating at depths exceeding 1200msw and other difficult conditions.

Visit isotek.co.uk

Key Findings

We analyzed Isotek.co.uk page load time and found that the first response time was 416 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

isotek.co.uk performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

isotek.co.uk

416 ms

prettyPhoto.css

92 ms

wp-video-lightbox.css

178 ms

styles.css

182 ms

page-list.css

190 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 56% of them (27 requests) were addressed to the original Isotek.co.uk, 15% (7 requests) were made to Fonts.gstatic.com and 10% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (465 ms) belongs to the original domain Isotek.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.9 kB (6%)

Content Size

758.7 kB

After Optimization

716.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isotek.co.uk main page is 758.7 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. 60% of websites need less resources to load. Images take 336.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 23.5 kB

  • Original 31.6 kB
  • After minification 30.9 kB
  • After compression 8.1 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 23.5 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 12.4 kB

  • Original 336.5 kB
  • After minification 324.1 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. Isotek images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.9 kB

  • Original 335.8 kB
  • After minification 335.8 kB
  • After compression 331.9 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

-4%

Potential reduce by 2.0 kB

  • Original 54.7 kB
  • After minification 54.7 kB
  • After compression 52.7 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. Isotek.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (75%)

Requests Now

40

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isotek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isotek.co.uk

isotek.co.uk

416 ms

prettyPhoto.css

prettyPhoto.css

92 ms

wp-video-lightbox.css

wp-video-lightbox.css

178 ms

styles.css

styles.css

182 ms

page-list.css

page-list.css

190 ms

css

css

34 ms

genericons.css

genericons.css

189 ms

style.css

style.css

190 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

194 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

276 ms

jquery.prettyPhoto.min.js

jquery.prettyPhoto.min.js

271 ms

video-lightbox.js

video-lightbox.js

287 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

287 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

289 ms

jquery.fancybox-1.3.4.js

jquery.fancybox-1.3.4.js

293 ms

style.css

style.css

362 ms

splide.min.css

splide.min.css

365 ms

css

css

47 ms

wp-polyfill.min.js

wp-polyfill.min.js

388 ms

index.js

index.js

388 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

388 ms

functions.js

functions.js

390 ms

api.js

api.js

42 ms

index.js

index.js

464 ms

splide.min.js

splide.min.js

465 ms

analytics.js

analytics.js

30 ms

CSS_Isotek_logo.png

CSS_Isotek_logo.png

127 ms

150305-isotek-072.jpg

150305-isotek-072.jpg

231 ms

150305-isotek-082.jpg

150305-isotek-082.jpg

232 ms

150305-isotek-107.jpg

150305-isotek-107.jpg

232 ms

150305-isotek-180.jpg

150305-isotek-180.jpg

314 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

27 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

30 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

34 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

77 ms

recaptcha__en.js

recaptcha__en.js

28 ms

collect

collect

56 ms

js

js

124 ms

anchor

anchor

40 ms

styles__ltr.css

styles__ltr.css

4 ms

recaptcha__en.js

recaptcha__en.js

13 ms

CciQOPzW_-qTgdgmkmMz-SpBjJzB-CBeKtl8roXNuaw.js

CciQOPzW_-qTgdgmkmMz-SpBjJzB-CBeKtl8roXNuaw.js

33 ms

webworker.js

webworker.js

109 ms

logo_48.png

logo_48.png

21 ms

recaptcha__en.js

recaptcha__en.js

34 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

28 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

28 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

27 ms

Accessibility Review

isotek.co.uk accessibility score

100

Accessibility Issues

Best Practices

isotek.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

isotek.co.uk SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

isotek.co.uk

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