Tools & Wizards About Us
tellows.co.uk screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tellows.co.uk

Who is calling? The phone number reverse search - tellows

Page Load Speed

2.3 sec in total

First Response

228 ms

Resources Loaded

1.8 sec

Page Rendered

301 ms

tellows.co.uk screenshot

About Website

Visit tellows.co.uk now to see the best up-to-date Tellows content for United Kingdom and also check out these interesting facts you probably never knew about tellows.co.uk

Are you looking for details on a number you received a call from? You are in the right place. Browse other users' comments and rate phone numbers yourself.

Visit tellows.co.uk

Key Findings

We analyzed Tellows.co.uk page load time and found that the first response time was 228 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

tellows.co.uk performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

tellows.co.uk

228 ms

www.tellows.co.uk

449 ms

211 ms

209 ms

adcode.js

4 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 30% of them (15 requests) were addressed to the original Tellows.co.uk, 18% (9 requests) were made to Apis.google.com and 12% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (494 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.1 kB (51%)

Content Size

645.1 kB

After Optimization

315.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tellows.co.uk main page is 645.1 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. 55% of websites need less resources to load. Javascripts take 338.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 111.0 kB

  • Original 151.8 kB
  • After minification 144.0 kB
  • After compression 40.9 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 111.0 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 6.3 kB

  • Original 154.4 kB
  • After minification 148.1 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. Tellows images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 212.8 kB

  • Original 338.9 kB
  • After minification 338.9 kB
  • After compression 126.0 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 212.8 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (44%)

Requests Now

48

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tellows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tellows.co.uk

tellows.co.uk

228 ms

www.tellows.co.uk

www.tellows.co.uk

449 ms

211 ms

209 ms

adcode.js

adcode.js

4 ms

plusone.js

plusone.js

110 ms

gpt.js

gpt.js

26 ms

ga.js

ga.js

85 ms

bkg_body_n.gif

bkg_body_n.gif

6 ms

spritemap.png

spritemap.png

8 ms

logo4-en.png

logo4-en.png

113 ms

lookup_ico_b.png

lookup_ico_b.png

30 ms

search_btn_en.gif

search_btn_en.gif

8 ms

error.gif

error.gif

6 ms

con-bgv.png

con-bgv.png

6 ms

con-bgv-top.png

con-bgv-top.png

8 ms

tellowsvisual-en.jpg

tellowsvisual-en.jpg

392 ms

sprites_score.png

sprites_score.png

27 ms

pubads_impl_81.js

pubads_impl_81.js

24 ms

ads

ads

267 ms

container.html

container.html

60 ms

__utm.gif

__utm.gif

79 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

39 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

61 ms

fastbutton

fastbutton

132 ms

fastbutton

fastbutton

133 ms

ad-loading.bmp

ad-loading.bmp

393 ms

like.php

like.php

166 ms

postmessageRelay

postmessageRelay

41 ms

api.js

api.js

59 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

93 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

78 ms

rs=AGLTcCNqicBbTRy2Ny4TeyhsrBuZucE7Kg

rs=AGLTcCNqicBbTRy2Ny4TeyhsrBuZucE7Kg

18 ms

like.php

like.php

159 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

29 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

28 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

494 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

395 ms

expansion_embed.js

expansion_embed.js

19 ms

ads

ads

286 ms

5951536323341373104

5951536323341373104

37 ms

abg.js

abg.js

36 ms

m_js_controller.js

m_js_controller.js

45 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

33 ms

osd.js

osd.js

20 ms

s

s

30 ms

x_button_blue2.png

x_button_blue2.png

18 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

477 ms

ads

ads

31 ms

11517478335094595770

11517478335094595770

23 ms

Accessibility Review

tellows.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

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

tellows.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

High

Missing source maps for large first-party JavaScript

SEO Factors

tellows.co.uk SEO score

79

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tellows.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tellows.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

tellows.co.uk

Open Graph description is not detected on the main page of Tellows. 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: