Tools & Wizards About Us
best4mobiles.co.uk screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

best4mobiles.co.uk

Contract Phone Deals - Compare The Best Mobile Phone Deals

Page Load Speed

2 sec in total

First Response

347 ms

Resources Loaded

1.5 sec

Page Rendered

159 ms

best4mobiles.co.uk screenshot

About Website

Welcome to best4mobiles.co.uk homepage info - get ready to check Best 4 Mobile S best content right away, or after learning these important things about best4mobiles.co.uk

Compare the best contract phone deals from a range of top brands and leading networks. Find the cheapest deals – Mobile Phones and SIM-only

Visit best4mobiles.co.uk

Key Findings

We analyzed Best4mobiles.co.uk page load time and found that the first response time was 347 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

best4mobiles.co.uk performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value3,040 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.221

56/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

best4mobiles.co.uk

347 ms

fbds.js

102 ms

home.gif

166 ms

text15.gif

328 ms

best4mobiles.co.uk.gif

409 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 90% of them (47 requests) were addressed to the original Best4mobiles.co.uk, 4% (2 requests) were made to Facebook.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (945 ms) belongs to the original domain Best4mobiles.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.8 kB (35%)

Content Size

240.5 kB

After Optimization

156.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Best4mobiles.co.uk main page is 240.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 165.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 49.8 kB

  • Original 57.7 kB
  • After minification 51.2 kB
  • After compression 7.9 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. This page needs HTML code to be minified as it can gain 6.6 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 49.8 kB or 86% of the original size.

Image Optimization

-20%

Potential reduce by 33.9 kB

  • Original 165.6 kB
  • After minification 131.7 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, Best 4 Mobile S needs image optimization as it can save up to 33.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 6 (12%)

Requests Now

51

After Optimization

45

  • Images
  • JavaScript

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Best 4 Mobile S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

best4mobiles.co.uk

best4mobiles.co.uk

347 ms

fbds.js

fbds.js

102 ms

home.gif

home.gif

166 ms

text15.gif

text15.gif

328 ms

best4mobiles.co.uk.gif

best4mobiles.co.uk.gif

409 ms

glass20blue.jpg

glass20blue.jpg

230 ms

mediphone6s16gbsg.jpg

mediphone6s16gbsg.jpg

267 ms

mediphone616gbs.jpg

mediphone616gbs.jpg

348 ms

medgalaxys632gbblack.jpg

medgalaxys632gbblack.jpg

350 ms

mediphone5s16gbsilver.jpg

mediphone5s16gbsilver.jpg

382 ms

meds6edge32gbblack.jpg

meds6edge32gbblack.jpg

590 ms

mednexus6p32gbblack.jpg

mednexus6p32gbblack.jpg

408 ms

mediphone6plus16gbs.jpg

mediphone6plus16gbs.jpg

443 ms

meds5neoblack.jpg

meds5neoblack.jpg

473 ms

medgalaxya3white.jpg

medgalaxya3white.jpg

662 ms

medgalaxys5miniwhite.jpg

medgalaxys5miniwhite.jpg

605 ms

meds7black.jpg

meds7black.jpg

513 ms

meds7edgeblack.jpg

meds7edgeblack.jpg

544 ms

med215green.jpg

med215green.jpg

576 ms

medlumia550black.jpg

medlumia550black.jpg

652 ms

medprivblack.jpg

medprivblack.jpg

668 ms

medlumia950xlblack.jpg

medlumia950xlblack.jpg

694 ms

medxperiac4black.jpg

medxperiac4black.jpg

721 ms

mediphone616gbsg.jpg

mediphone616gbsg.jpg

707 ms

medgalaxynote4black.jpg

medgalaxynote4black.jpg

855 ms

mediphone6s64gbsg.jpg

mediphone6s64gbsg.jpg

752 ms

mediphone6plus16gbg.jpg

mediphone6plus16gbg.jpg

775 ms

mediphone5s16gbgold.jpg

mediphone5s16gbgold.jpg

794 ms

medgalaxya3black.jpg

medgalaxya3black.jpg

825 ms

horizontalline.jpg

horizontalline.jpg

826 ms

mobiles.gif

mobiles.gif

849 ms

bmp.gif

bmp.gif

856 ms

mpd.gif

mpd.gif

881 ms

e2.gif

e2.gif

920 ms

directmobiles.gif

directmobiles.gif

930 ms

cpw.gif

cpw.gif

942 ms

spc.gif

spc.gif

945 ms

31 ms

ga.js

ga.js

6 ms

affordable.gif

affordable.gif

889 ms

__utm.gif

__utm.gif

12 ms

three.gif

three.gif

838 ms

ee.gif

ee.gif

781 ms

vodafone.gif

vodafone.gif

763 ms

o2.gif

o2.gif

738 ms

giffgaff.gif

giffgaff.gif

695 ms

bt.gif

bt.gif

711 ms

virgin.gif

virgin.gif

741 ms

btop.gif

btop.gif

717 ms

star.jpg

star.jpg

733 ms

bbottom.gif

bbottom.gif

783 ms

3 ms

Accessibility Review

best4mobiles.co.uk accessibility score

93

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-hidden="true"] elements contain focusable descendents

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

best4mobiles.co.uk best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

best4mobiles.co.uk SEO score

91

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

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Best4mobiles.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 Best4mobiles.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

best4mobiles.co.uk

Open Graph description is not detected on the main page of Best 4 Mobile S. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: