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acl.uk.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

acl.uk.com

Commercial Fire Alarm Systems | Security Systems | BEMS | acl Ltd

Page Load Speed

5.8 sec in total

First Response

412 ms

Resources Loaded

4.6 sec

Page Rendered

820 ms

acl.uk.com screenshot

About Website

Welcome to acl.uk.com homepage info - get ready to check Acl best content right away, or after learning these important things about acl.uk.com

acl Ltd - Specialists In Commercial Fire Alarm Systems, Security Systems, Building Management Systems & BEMS for UK Public & Private sectors.

Visit acl.uk.com

Key Findings

We analyzed Acl.uk.com page load time and found that the first response time was 412 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

acl.uk.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value21.9 s

1/100

10%

Network Requests Diagram

www.acl.uk.com

412 ms

5878671e50143cd158c89a20a797fdba.css

455 ms

css

34 ms

css

80 ms

css

66 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 73% of them (43 requests) were addressed to the original Acl.uk.com, 12% (7 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (760 ms) belongs to the original domain Acl.uk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 598.3 kB (9%)

Content Size

6.5 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Acl.uk.com main page is 6.5 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. Only a small number of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 113.6 kB

  • Original 137.1 kB
  • After minification 133.3 kB
  • After compression 23.5 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 113.6 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 325.5 kB

  • Original 5.7 MB
  • After minification 5.4 MB

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. Acl images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 83.1 kB

  • Original 281.4 kB
  • After minification 281.3 kB
  • After compression 198.2 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 83.1 kB or 30% of the original size.

CSS Optimization

-22%

Potential reduce by 76.1 kB

  • Original 344.0 kB
  • After minification 344.0 kB
  • After compression 267.9 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. Acl.uk.com needs all CSS files to be minified and compressed as it can save up to 76.1 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (55%)

Requests Now

49

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Acl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.acl.uk.com

www.acl.uk.com

412 ms

5878671e50143cd158c89a20a797fdba.css

5878671e50143cd158c89a20a797fdba.css

455 ms

css

css

34 ms

css

css

80 ms

css

css

66 ms

css

css

56 ms

jquery.min.js

jquery.min.js

235 ms

jquery-migrate.min.js

jquery-migrate.min.js

230 ms

cookie-law-info-public.js

cookie-law-info-public.js

232 ms

teampress.min.js

teampress.min.js

236 ms

js

js

59 ms

salient-social.js

salient-social.js

236 ms

jquery.easing.js

jquery.easing.js

307 ms

jquery.mousewheel.js

jquery.mousewheel.js

309 ms

priority.js

priority.js

311 ms

transit.js

transit.js

313 ms

waypoints.js

waypoints.js

316 ms

imagesLoaded.min.js

imagesLoaded.min.js

633 ms

hoverintent.js

hoverintent.js

635 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

635 ms

superfish.js

superfish.js

635 ms

init.js

init.js

660 ms

touchswipe.min.js

touchswipe.min.js

635 ms

glightbox.min.js

glightbox.min.js

636 ms

jquery.nicescroll.min.js

jquery.nicescroll.min.js

635 ms

js_composer_front.min.js

js_composer_front.min.js

636 ms

vivus.min.js

vivus.min.js

636 ms

acl.js

acl.js

159 ms

MAR-ASS-104-ACL-Primary-Logo-JPG.jpg

MAR-ASS-104-ACL-Primary-Logo-JPG.jpg

171 ms

cctv-installation-middlesbrough.png

cctv-installation-middlesbrough.png

170 ms

80461ef716be9116069d5bce609fd616.jpeg

80461ef716be9116069d5bce609fd616.jpeg

545 ms

Arial-Shot.jpg

Arial-Shot.jpg

482 ms

strip_bg_texture_@700.png

strip_bg_texture_@700.png

452 ms

Sectors-hospitality-header_1.0.jpg

Sectors-hospitality-header_1.0.jpg

736 ms

Sectors-NHS.jpg

Sectors-NHS.jpg

482 ms

Sectors-Education.jpg

Sectors-Education.jpg

109 ms

Sectors-Stadia.jpg

Sectors-Stadia.jpg

447 ms

Sectors-Commercial.jpg

Sectors-Commercial.jpg

627 ms

Sectors-Heritage.jpg

Sectors-Heritage.jpg

760 ms

Sean-at-Computer.jpg

Sean-at-Computer.jpg

629 ms

84a3ad2a1c14095974ca70cc672e1b7b.jpeg

84a3ad2a1c14095974ca70cc672e1b7b.jpeg

627 ms

Casestudy-DukesLondon.jpg

Casestudy-DukesLondon.jpg

628 ms

strip_bg_texture_1.0.png

strip_bg_texture_1.0.png

672 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbl6WQk8z_Q.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbl6WQk8z_Q.ttf

263 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbmyWQk8z_Q.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbmyWQk8z_Q.ttf

263 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbouRQk8z_Q.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbouRQk8z_Q.ttf

341 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

372 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

371 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

373 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

372 ms

icomoon.woff

icomoon.woff

561 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

562 ms

b802c396-cb45-4eba-bba9-f390621c38e4.js

b802c396-cb45-4eba-bba9-f390621c38e4.js

311 ms

fire-and-safety-1.png

fire-and-safety-1.png

397 ms

security-service.png

security-service.png

367 ms

Service-BEMS.jpg

Service-BEMS.jpg

365 ms

1631648020171.png

1631648020171.png

165 ms

ServiceGetConfig

ServiceGetConfig

158 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

108 ms

Accessibility Review

acl.uk.com accessibility score

88

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

acl.uk.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

acl.uk.com SEO score

85

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

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

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 Acl.uk.com 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 Acl.uk.com 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

acl.uk.com

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