Tools & Wizards About Us
numbersupermarket.co.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

numbersupermarket.co.uk

Buy 08, 03 & 01/02 Numbers Now - Number Supermarket

Page Load Speed

3.9 sec in total

First Response

187 ms

Resources Loaded

3.1 sec

Page Rendered

517 ms

numbersupermarket.co.uk screenshot

About Website

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

We specialise in providing comprehensive, cloud-based telephone numbers to businesses of all sizes. 0800, 0808, 0330, 0345 and more. Buy now.

Visit numbersupermarket.co.uk

Key Findings

We analyzed Numbersupermarket.co.uk page load time and found that the first response time was 187 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

numbersupermarket.co.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value11.1 s

5/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value17.0 s

5/100

10%

Network Requests Diagram

numbersupermarket.co.uk

187 ms

www.numbersupermarket.co.uk

431 ms

css

52 ms

cdb7f0db-81f9-4d6e-b682-ac5a4b57c0fb

417 ms

autoptimize_eb8923c4c706cd5245bccb8d9c90da34.css

54 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 80% of them (94 requests) were addressed to the original Numbersupermarket.co.uk, 5% (6 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Numbersupermarket.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 416.6 kB (29%)

Content Size

1.4 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Numbersupermarket.co.uk main page is 1.4 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. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 300.7 kB

  • Original 338.6 kB
  • After minification 316.2 kB
  • After compression 37.9 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 300.7 kB or 89% of the original size.

Image Optimization

-11%

Potential reduce by 114.1 kB

  • Original 1.0 MB
  • After minification 932.7 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. Obviously, Number Supermarket needs image optimization as it can save up to 114.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 1.8 kB

  • Original 49.8 kB
  • After minification 49.8 kB
  • After compression 47.9 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.

Requests Breakdown

Number of requests can be reduced by 65 (61%)

Requests Now

107

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Number Supermarket. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

numbersupermarket.co.uk

numbersupermarket.co.uk

187 ms

www.numbersupermarket.co.uk

www.numbersupermarket.co.uk

431 ms

css

css

52 ms

cdb7f0db-81f9-4d6e-b682-ac5a4b57c0fb

cdb7f0db-81f9-4d6e-b682-ac5a4b57c0fb

417 ms

autoptimize_eb8923c4c706cd5245bccb8d9c90da34.css

autoptimize_eb8923c4c706cd5245bccb8d9c90da34.css

54 ms

css

css

96 ms

jquery.min.js

jquery.min.js

42 ms

jquery-migrate.min.js

jquery-migrate.min.js

51 ms

selectivizr-min.js

selectivizr-min.js

50 ms

jq-sticky-anything.min.js

jq-sticky-anything.min.js

74 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

51 ms

js.cookie.min.js

js.cookie.min.js

62 ms

woocommerce.min.js

woocommerce.min.js

72 ms

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68 ms

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66 ms

klaviyo.js

klaviyo.js

255 ms

js

js

108 ms

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80 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

58 ms

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032eec6c34d4b7fdc5725b9f5fd9c085.js

636 ms

tag.js

tag.js

68 ms

email-decode.min.js

email-decode.min.js

57 ms

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autoptimize_single_220c045bc018ef5b2ab11710261ad6e7.js

220 ms

comment-reply.min.js

comment-reply.min.js

72 ms

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75 ms

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76 ms

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83 ms

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82 ms

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85 ms

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autoptimize_single_a50d71b93385f1533912db9e5e8cf579.js

87 ms

bootstrap.min.js

bootstrap.min.js

88 ms

autoptimize_single_eb589fb795b74ff90cc378d54f487f68.js

autoptimize_single_eb589fb795b74ff90cc378d54f487f68.js

106 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

104 ms

jquery.stellar.min.js

jquery.stellar.min.js

103 ms

jquery.mixitup.min.js

jquery.mixitup.min.js

103 ms

waypoints.min.js

waypoints.min.js

341 ms

waypoints-sticky.min.js

waypoints-sticky.min.js

119 ms

venobox.min.js

venobox.min.js

118 ms

autoptimize_single_8d2a0901b6aa099e861005df8ad2faf7.js

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118 ms

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autoptimize_single_3d3a8c0cfb6264d7790fa45022d273a8.js

128 ms

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autoptimize_single_196baf3d19bc088d14fada5423e69dcd.js

129 ms

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autoptimize_single_86965d7a171c0d2856bf4da9b1eddb02.js

129 ms

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129 ms

autoptimize_single_244a6350ba94a467032099a6baa3d909.js

autoptimize_single_244a6350ba94a467032099a6baa3d909.js

139 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

141 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

139 ms

api.js

api.js

73 ms

e-202436.js

e-202436.js

53 ms

wp-polyfill.min.js

wp-polyfill.min.js

141 ms

hooks.min.js

hooks.min.js

136 ms

i18n.min.js

i18n.min.js

106 ms

autoptimize_single_efc27e253fae1b7b891fb5a40e687768.js

autoptimize_single_efc27e253fae1b7b891fb5a40e687768.js

109 ms

autoptimize_single_0b1719adf5fa7231cb1a1b54cf11a50e.js

autoptimize_single_0b1719adf5fa7231cb1a1b54cf11a50e.js

113 ms

autoptimize_single_1383e4d0ef1c4475d3a93c24c1d5e906.js

autoptimize_single_1383e4d0ef1c4475d3a93c24c1d5e906.js

120 ms

autoptimize_single_e3317d55ad904d30ea400a2da2a56686.js

autoptimize_single_e3317d55ad904d30ea400a2da2a56686.js

110 ms

sourcebuster.min.js

sourcebuster.min.js

115 ms

order-attribution.min.js

order-attribution.min.js

120 ms

autoptimize_single_ec0187677793456f98473f49d9e9b95f.js

autoptimize_single_ec0187677793456f98473f49d9e9b95f.js

124 ms

autoptimize_single_373a06a9bbd9dab26f1bdc45352c1d4e.js

autoptimize_single_373a06a9bbd9dab26f1bdc45352c1d4e.js

121 ms

swiper-bundle.min.js

swiper-bundle.min.js

125 ms

autoptimize_single_9da14703132b6c76bd570e72692a319c.js

autoptimize_single_9da14703132b6c76bd570e72692a319c.js

562 ms

js_composer_front.min.js

js_composer_front.min.js

128 ms

hotjar-2326089.js

hotjar-2326089.js

261 ms

prum.min.js

prum.min.js

240 ms

insight.min.js

insight.min.js

258 ms

tracking.js

tracking.js

239 ms

number-supermarket-logo.png

number-supermarket-logo.png

176 ms

menu-toggle.jpg

menu-toggle.jpg

176 ms

AMEND-AUGUST.jpg

AMEND-AUGUST.jpg

213 ms

spinner.svg

spinner.svg

176 ms

gc-logo.png

gc-logo.png

452 ms

Look-After-My-Bills.png

Look-After-My-Bills.png

177 ms

we-flip-logo.png

we-flip-logo.png

211 ms

manchester-giants-logo.png

manchester-giants-logo.png

211 ms

citizen-advice-logo.png

citizen-advice-logo.png

210 ms

hh-logo.png

hh-logo.png

211 ms

fl-town-logo.png

fl-town-logo.png

228 ms

i-love-mcr.png

i-love-mcr.png

228 ms

IVR-Auto-Attendant.png

IVR-Auto-Attendant.png

228 ms

Web-management-&-reporting.png

Web-management-&-reporting.png

228 ms

Call-Queue.png

Call-Queue.png

227 ms

Call-Recording.png

Call-Recording.png

283 ms

Time-&-Date-Plan.png

Time-&-Date-Plan.png

284 ms

Hunt-Group.png

Hunt-Group.png

283 ms

Multi-Phone.png

Multi-Phone.png

488 ms

Mid-Call-Transfer.png

Mid-Call-Transfer.png

284 ms

Voice2Email.png

Voice2Email.png

286 ms

Route-to-any-UK-Landline.png

Route-to-any-UK-Landline.png

285 ms

Route-to-UKAbroad-Mobiles.png

Route-to-UKAbroad-Mobiles.png

285 ms

Ratio-Call-Plan.png

Ratio-Call-Plan.png

285 ms

Disaster-Recovery.png

Disaster-Recovery.png

286 ms

Area-Call-Plan.png

Area-Call-Plan.png

286 ms

Out-of-Hours-Messaging.png

Out-of-Hours-Messaging.png

287 ms

Pre-Connection-Greeting.png

Pre-Connection-Greeting.png

286 ms

Call-Whisper.png

Call-Whisper.png

287 ms

Number-Display.png

Number-Display.png

288 ms

iPhone-App.png

iPhone-App.png

288 ms

Fax2Email.png

Fax2Email.png

289 ms

dmt_partner_badge.png

dmt_partner_badge.png

290 ms

facebook.png

facebook.png

288 ms

twitter.png

twitter.png

351 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

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112 ms

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113 ms

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167 ms

w8gdH283Tvk__Lua32TysjIfqcuJ.woff

w8gdH283Tvk__Lua32TysjIfqcuJ.woff

240 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

564 ms

s.js

s.js

368 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

497 ms

linkedin.png

linkedin.png

178 ms

google-plus.png

google-plus.png

179 ms

youtube.png

youtube.png

148 ms

buy-0330-numbers

buy-0330-numbers

267 ms

insight_tag_errors.gif

insight_tag_errors.gif

102 ms

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18 ms

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19 ms

1271 ms

e.js

e.js

83 ms

autoptimize_645e25746732f92ab8912b8a07744c57.css

autoptimize_645e25746732f92ab8912b8a07744c57.css

13 ms

Accessibility Review

numbersupermarket.co.uk accessibility score

72

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

numbersupermarket.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

numbersupermarket.co.uk SEO score

84

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

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

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 Numbersupermarket.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 Numbersupermarket.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

numbersupermarket.co.uk

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