Tools & Wizards About Us
pass.co.uk screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

pass.co.uk

PASS Ltd | Test Equipment | Calibration | Training Services

Page Load Speed

4.7 sec in total

First Response

155 ms

Resources Loaded

3.9 sec

Page Rendered

616 ms

pass.co.uk screenshot

About Website

Visit pass.co.uk now to see the best up-to-date PASS content for United Kingdom and also check out these interesting facts you probably never knew about pass.co.uk

PASS Ltd is a leading supplier of test and measurement, electrical and industrial equipment. Catering for both public and private sector organisations across many sectors including utilities, rail, el...

Visit pass.co.uk

Key Findings

We analyzed Pass.co.uk page load time and found that the first response time was 155 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

pass.co.uk performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.513

15/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

pass.co.uk

155 ms

www.pass.co.uk

476 ms

gtm.js

54 ms

8eh9c.css

161 ms

8eh91.css

760 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 77% of them (37 requests) were addressed to the original Pass.co.uk, 6% (3 requests) were made to Fonts.googleapis.com and 6% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (950 ms) belongs to the original domain Pass.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (61%)

Content Size

3.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pass.co.uk main page is 3.5 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. 55% of websites need less resources to load. CSS take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 136.6 kB

  • Original 165.7 kB
  • After minification 164.2 kB
  • After compression 29.2 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 136.6 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

  • Original 823.7 kB
  • After minification 822.5 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. PASS images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 803.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 329.8 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 803.3 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 1.2 MB

  • Original 1.4 MB
  • After minification 1.3 MB
  • After compression 177.4 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. Pass.co.uk needs all CSS files to be minified and compressed as it can save up to 1.2 MB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (34%)

Requests Now

38

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PASS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pass.co.uk

pass.co.uk

155 ms

www.pass.co.uk

www.pass.co.uk

476 ms

gtm.js

gtm.js

54 ms

8eh9c.css

8eh9c.css

161 ms

8eh91.css

8eh91.css

760 ms

8eh91.css

8eh91.css

232 ms

8eh9c.js

8eh9c.js

603 ms

webfont.js

webfont.js

26 ms

8eh9c.js

8eh9c.js

235 ms

9ki73.js

9ki73.js

235 ms

api.js

api.js

38 ms

9ki73.js

9ki73.js

610 ms

pass-logo.png

pass-logo.png

312 ms

pass-logo-footer.png

pass-logo-footer.png

312 ms

lab.jpg

lab.jpg

388 ms

test-equipment-thermal.jpg

test-equipment-thermal.jpg

393 ms

training.jpg

training.jpg

466 ms

calibration.jpg

calibration.jpg

467 ms

tester-mobile-transparent.png

tester-mobile-transparent.png

550 ms

training-course-transparent.png

training-course-transparent.png

694 ms

calibrate-mobile-transparent.png

calibrate-mobile-transparent.png

696 ms

ges-shop-logo-765-690x273.jpg

ges-shop-logo-765-690x273.jpg

632 ms

CuthbertsonLairdGroup-Logo-W765pix-690x309.gif

CuthbertsonLairdGroup-Logo-W765pix-690x309.gif

679 ms

fastest-50-690x375.jpg

fastest-50-690x375.jpg

687 ms

pass-20-years-690x375.jpg

pass-20-years-690x375.jpg

712 ms

pass-accreditation-footer.png

pass-accreditation-footer.png

950 ms

close-icon.cur

close-icon.cur

114 ms

geo-repeat.jpg

geo-repeat.jpg

114 ms

work.jpg

work.jpg

114 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

161 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

159 ms

icomoon.ttf

icomoon.ttf

189 ms

css

css

120 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXx-p7K4GLs.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXx-p7K4GLs.woff

567 ms

revolution.extension.video.min.js

revolution.extension.video.min.js

616 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

612 ms

revolution.extension.actions.min.js

revolution.extension.actions.min.js

609 ms

revolution.extension.layeranimation.min.js

revolution.extension.layeranimation.min.js

616 ms

revolution.extension.navigation.min.js

revolution.extension.navigation.min.js

612 ms

css

css

94 ms

ajax-loader.gif

ajax-loader.gif

239 ms

css

css

67 ms

iframe_api

iframe_api

109 ms

loader.gif

loader.gif

140 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

17 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXx-p7K4GLs.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXx-p7K4GLs.woff

18 ms

revicons.woff

revicons.woff

101 ms

www-widgetapi.js

www-widgetapi.js

44 ms

Accessibility Review

pass.co.uk accessibility score

87

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

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

Links do not have a discernible name

Best Practices

pass.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

Missing source maps for large first-party JavaScript

SEO Factors

pass.co.uk SEO score

93

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

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

    EN

  • Encoding

    UTF-8

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

pass.co.uk

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