Tools & Wizards About Us

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

  • 86

    SEO

    Google-friendlier than
    60% of websites

tellows.be

tellows - La communauté en ligne pour les numéros de téléphone et pour le spam téléphonique

Page Load Speed

1.7 sec in total

First Response

174 ms

Resources Loaded

1 sec

Page Rendered

521 ms

About Website

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

Vous cherchez plus d'informations concernant le numéro qui vous a appelé? tellows peut vous aider. Lisez les commentaires des internautes et faites vos propres évaluations.

Visit tellows.be

Key Findings

We analyzed Tellows.be page load time and found that the first response time was 174 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

tellows.be performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

tellows.be

174 ms

www.tellows.be

416 ms

home.css

71 ms

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59 ms

logo_tel.svg

234 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 92% of them (11 requests) were addressed to the original Tellows.be, 8% (1 request) were made to Fundingchoicesmessages.google.com. The less responsive or slowest element that took the longest time to load (439 ms) belongs to the original domain Tellows.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.3 kB (21%)

Content Size

237.4 kB

After Optimization

187.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tellows.be main page is 237.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 133.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 49.6 kB

  • Original 65.9 kB
  • After minification 54.7 kB
  • After compression 16.3 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 11.2 kB, which is 17% 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 49.6 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 133.3 kB
  • After minification 133.3 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

-0%

Potential reduce by 12 B

  • Original 27.9 kB
  • After minification 27.9 kB
  • After compression 27.9 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.

CSS Optimization

-6%

Potential reduce by 665 B

  • Original 10.2 kB
  • After minification 10.2 kB
  • After compression 9.6 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. Tellows.be has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tellows. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

tellows.be 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.be 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

High

Missing source maps for large first-party JavaScript

SEO Factors

tellows.be SEO score

86

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tellows.be can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Tellows.be 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

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: