Tools & Wizards About Us
adt.co.uk screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

adt.co.uk

ADT Home Security - Alarms, CCTV & Smart Systems | ADT

Page Load Speed

2.9 sec in total

First Response

34 ms

Resources Loaded

2.2 sec

Page Rendered

668 ms

adt.co.uk screenshot

About Website

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

Protect your home with ADT's trusted home security products and packages, including wireless burglar alarms, carbon monoxide detectors & CCTV systems.

Visit adt.co.uk

Key Findings

We analyzed Adt.co.uk page load time and found that the first response time was 34 ms and then it took 2.8 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

adt.co.uk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value22.2 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value7,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

adt.co.uk

34 ms

www.adt.co.uk

60 ms

core.min.js

97 ms

autoblock

99 ms

wqstc3

386 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 55% of them (58 requests) were addressed to the original Adt.co.uk, 5% (5 requests) were made to Connect.facebook.net and 4% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Adt.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.6 kB (8%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adt.co.uk main page is 2.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 141.3 kB

  • Original 176.1 kB
  • After minification 176.1 kB
  • After compression 34.9 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 141.3 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 45.1 kB

  • Original 1.8 MB
  • After minification 1.8 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. ADT images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 21.3 kB

  • Original 340.1 kB
  • After minification 340.0 kB
  • After compression 318.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 160.3 kB
  • After minification 160.3 kB
  • After compression 160.3 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. Adt.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 65 (63%)

Requests Now

104

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ADT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

adt.co.uk

adt.co.uk

34 ms

www.adt.co.uk

www.adt.co.uk

60 ms

core.min.js

core.min.js

97 ms

autoblock

autoblock

99 ms

wqstc3

wqstc3

386 ms

trustArcScriptManager.js

trustArcScriptManager.js

32 ms

api.js

api.js

369 ms

main.css

main.css

102 ms

livevalidation_standalone.compressed.js

livevalidation_standalone.compressed.js

383 ms

jquery.min.js

jquery.min.js

379 ms

referrer-cookie.js

referrer-cookie.js

82 ms

background_video.js

background_video.js

83 ms

bom_video.js

bom_video.js

314 ms

jquery-ui.min.js

jquery-ui.min.js

446 ms

plugins.js

plugins.js

313 ms

bloom.ga.1.0.0.min.js

bloom.ga.1.0.0.min.js

365 ms

main.js

main.js

364 ms

switch_form.js

switch_form.js

364 ms

awin.js

awin.js

364 ms

conversion.js

conversion.js

444 ms

oct.js

oct.js

377 ms

slick.min.js

slick.min.js

364 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

364 ms

gtm.js

gtm.js

475 ms

j.php

j.php

328 ms

utag.js

utag.js

315 ms

profile-icon.png

profile-icon.png

137 ms

logo-mobile.jpg

logo-mobile.jpg

92 ms

logo.jpg

logo.jpg

137 ms

blue-arrow-down.png

blue-arrow-down.png

137 ms

blue-arrow-right.png

blue-arrow-right.png

135 ms

switch-to-us.jpg

switch-to-us.jpg

135 ms

benefits.png

benefits.png

137 ms

long-read.png

long-read.png

204 ms

yellow-arrow-right.png

yellow-arrow-right.png

203 ms

security-advice.svg

security-advice.svg

200 ms

cima-icon.svg

cima-icon.svg

199 ms

myadt.png

myadt.png

202 ms

smart-home.png

smart-home.png

203 ms

switch-to-us-business.jpg

switch-to-us-business.jpg

247 ms

black-friday-header-23-desktop.webp

black-friday-header-23-desktop.webp

257 ms

bfmobileoffer.webp

bfmobileoffer.webp

246 ms

dn-homepage-products.png

dn-homepage-products.png

842 ms

homepage-sas-hero.jpg

homepage-sas-hero.jpg

843 ms

homepage-sas-hero__mob.jpg

homepage-sas-hero__mob.jpg

685 ms

homepage-hero_ab-test.jpg

homepage-hero_ab-test.jpg

842 ms

dn-2023-prod-comp.png

dn-2023-prod-comp.png

325 ms

www.adt.co.uk

www.adt.co.uk

327 ms

icon-phone-w.svg

icon-phone-w.svg

328 ms

blue-monday-alt.jpg

blue-monday-alt.jpg

1106 ms

blue-monday-mobile.jpg

blue-monday-mobile.jpg

1108 ms

tick-green.svg

tick-green.svg

752 ms

cross-red.svg

cross-red.svg

754 ms

hp-redesign-inclusive.svg

hp-redesign-inclusive.svg

757 ms

hp-redesign-matters.svg

hp-redesign-matters.svg

766 ms

hp-redesign-trust.svg

hp-redesign-trust.svg

837 ms

security-quiz-block.svg

security-quiz-block.svg

851 ms

dn-takeover-prod-1.png

dn-takeover-prod-1.png

807 ms

Hand-and-Phone.jpg

Hand-and-Phone.jpg

799 ms

dn-takeover-prod-3.png

dn-takeover-prod-3.png

798 ms

image-long-block-homepage-new-panel.png

image-long-block-homepage-new-panel.png

828 ms

home-ab__smart-services.jpeg

home-ab__smart-services.jpeg

1381 ms

formsubmittoken

formsubmittoken

521 ms

iframe_api

iframe_api

134 ms

home-ab__two-way-audio.jpeg

home-ab__two-way-audio.jpeg

758 ms

home-ab__video-analytics.jpeg

home-ab__video-analytics.jpeg

1325 ms

home-ab__alarm-centre.jpeg

home-ab__alarm-centre.jpeg

751 ms

home-ab__bespoke-security.jpeg

home-ab__bespoke-security.jpeg

1293 ms

home-ab__bank-level-security.jpeg

home-ab__bank-level-security.jpeg

1326 ms

eloqua-hp-data-capture.webp

eloqua-hp-data-capture.webp

1522 ms

li.png

li.png

982 ms

160 ms

sdk.js

sdk.js

82 ms

fb.png

fb.png

946 ms

tw.png

tw.png

962 ms

home-ab__contact.jpg

home-ab__contact.jpg

978 ms

adsct

adsct

272 ms

adsct

adsct

270 ms

v.gif

v.gif

41 ms

www-widgetapi.js

www-widgetapi.js

65 ms

sdk.js

sdk.js

61 ms

js

js

117 ms

insight.min.js

insight.min.js

231 ms

25373.js

25373.js

228 ms

core.js

core.js

228 ms

hotjar-3254.js

hotjar-3254.js

313 ms

bat.js

bat.js

222 ms

fbevents.js

fbevents.js

63 ms

rTapTrack.min.js

rTapTrack.min.js

577 ms

analytics.js

analytics.js

206 ms

L21rdC8xMTIxL3BpZC8xMTA5ODY5OTEvdC8w

L21rdC8xMTIxL3BpZC8xMTA5ODY5OTEvdC8w

214 ms

fvli0qsuua

fvli0qsuua

243 ms

events.js

events.js

232 ms

146 ms

143 ms

392360904480158

392360904480158

214 ms

33 ms

linkid.js

linkid.js

25 ms

collect

collect

16 ms

collect

collect

130 ms

main.MWY4NTJmNDQ3MQ.js

main.MWY4NTJmNDQ3MQ.js

129 ms

clarity.js

clarity.js

15 ms

modules.1a30a0a67c3c23c13060.js

modules.1a30a0a67c3c23c13060.js

85 ms

2108499902831133

2108499902831133

94 ms

ga-audiences

ga-audiences

100 ms

c.gif

c.gif

8 ms

Accessibility Review

adt.co.uk accessibility score

81

Accessibility Issues

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

adt.co.uk best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

adt.co.uk SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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

    EN

  • Encoding

    UTF-8

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

adt.co.uk

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