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imperial.co.uk screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

imperial.co.uk

Parking, Environmental & Traffic Management - Imperial

Page Load Speed

3.1 sec in total

First Response

166 ms

Resources Loaded

2.7 sec

Page Rendered

227 ms

imperial.co.uk screenshot

About Website

Welcome to imperial.co.uk homepage info - get ready to check Imperial best content for United Kingdom right away, or after learning these important things about imperial.co.uk

Imperial is one of the UK’s largest and most experienced providers of parking, environmental and traffic management systems.

Visit imperial.co.uk

Key Findings

We analyzed Imperial.co.uk page load time and found that the first response time was 166 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

imperial.co.uk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value2,540 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

imperial.co.uk

166 ms

www.imperial.co.uk

618 ms

jquery.min.js

96 ms

jquery-migrate.min.js

172 ms

extra.js

246 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 79% of them (31 requests) were addressed to the original Imperial.co.uk, 10% (4 requests) were made to 0 and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (649 ms) belongs to the original domain Imperial.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 658.0 kB (53%)

Content Size

1.2 MB

After Optimization

578.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Imperial.co.uk main page is 1.2 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. HTML takes 736.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 648.1 kB

  • Original 736.0 kB
  • After minification 733.0 kB
  • After compression 87.9 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. 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 648.1 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 3.7 kB

  • Original 458.3 kB
  • After minification 454.5 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. Imperial images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 6.2 kB

  • Original 42.3 kB
  • After minification 42.3 kB
  • After compression 36.1 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 6.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (57%)

Requests Now

35

After Optimization

15

  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imperial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

imperial.co.uk

imperial.co.uk

166 ms

www.imperial.co.uk

www.imperial.co.uk

618 ms

jquery.min.js

jquery.min.js

96 ms

jquery-migrate.min.js

jquery-migrate.min.js

172 ms

extra.js

extra.js

246 ms

imagesloaded.js

imagesloaded.js

248 ms

js

js

77 ms

imperial-homepage-banner-1024x987.jpg

imperial-homepage-banner-1024x987.jpg

625 ms

shell.js

shell.js

79 ms

7148230.js

7148230.js

225 ms

slick.min.js

slick.min.js

239 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

241 ms

react.min.js

react.min.js

245 ms

react-dom.min.js

react-dom.min.js

501 ms

frontend.js

frontend.js

313 ms

scripts.min.js

scripts.min.js

503 ms

core.min.js

core.min.js

322 ms

pum-site-scripts.js

pum-site-scripts.js

327 ms

common.js

common.js

326 ms

jquery.fitvids.js

jquery.fitvids.js

392 ms

jquery.mobile.js

jquery.mobile.js

404 ms

lazyload.min.js

lazyload.min.js

408 ms

imperial-logo-white.png

imperial-logo-white.png

405 ms

imperial-icon-64.png

imperial-icon-64.png

472 ms

parking-management-banner-small.jpg

parking-management-banner-small.jpg

489 ms

environmental-enforcement-banner-small.jpg

environmental-enforcement-banner-small.jpg

582 ms

imperial-clean-air-zone-banner-small.jpg

imperial-clean-air-zone-banner-small.jpg

649 ms

modules.woff

modules.woff

497 ms

modules.ttf

modules.ttf

465 ms

7148230.js

7148230.js

85 ms

7148230.js

7148230.js

66 ms

hillingdon-council-logo.png

hillingdon-council-logo.png

448 ms

essex-cc-logo.png

essex-cc-logo.png

437 ms

birmingham-city-council-logo-1.jpg

birmingham-city-council-logo-1.jpg

286 ms

glasgow-city-council-logo-1.gif

glasgow-city-council-logo-1.gif

195 ms

Imperial-CTA-v3.png

Imperial-CTA-v3.png

486 ms

ISOQAR-certificates.png

ISOQAR-certificates.png

238 ms

bpa.png

bpa.png

285 ms

ipc.png

ipc.png

286 ms

Accessibility Review

imperial.co.uk accessibility score

82

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

imperial.co.uk best practices score

92

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

SEO Factors

imperial.co.uk SEO score

100

Search Engine Optimization Advices

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 Imperial.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 Imperial.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

imperial.co.uk

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