Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

zonenummer.eu

Zonenummers Belgi - Netnummers - Kengetal voor telefoon

Page Load Speed

1.6 sec in total

First Response

578 ms

Resources Loaded

1 sec

Page Rendered

1 ms

zonenummer.eu screenshot

About Website

Click here to check amazing Zonenummer content for Belgium. Otherwise, check out these important facts you probably never knew about zonenummer.eu

Op deze handige website kan u gemakkelijk de zonenummers en netnummers vinden van alle gemeenten in Belgi en Vlaanderen.

Visit zonenummer.eu

Key Findings

We analyzed Zonenummer.eu page load time and found that the first response time was 578 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

zonenummer.eu performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value1,930 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

zonenummer.eu

578 ms

zonenummer.eu

319 ms

cookieconsent.min.js

27 ms

adsbygoogle.js

62 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 50% of them (2 requests) were addressed to the original Zonenummer.eu, 25% (1 request) were made to Cdnjs.cloudflare.com and 25% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (578 ms) belongs to the original domain Zonenummer.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.3 kB (66%)

Content Size

200.3 kB

After Optimization

68.0 kB

In fact, the total size of Zonenummer.eu main page is 200.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 191.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 6.3 kB

  • Original 9.2 kB
  • After minification 9.0 kB
  • After compression 3.0 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 6.3 kB or 68% of the original size.

JavaScript Optimization

-66%

Potential reduce by 126.0 kB

  • Original 191.1 kB
  • After minification 191.1 kB
  • After compression 65.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 126.0 kB or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zonenummer. According to our analytics all requests are already optimized.

Accessibility Review

zonenummer.eu accessibility score

96

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

zonenummer.eu 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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

zonenummer.eu SEO score

93

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zonenummer.eu can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Zonenummer.eu 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

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