Report Summary

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    Best Practices

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Immo te koop en te huur in België | Zimmo

Page Load Speed

420 ms in total

First Response

122 ms

Resources Loaded

241 ms

Page Rendered

57 ms screenshot

About Website

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

Zoek je een woning te koop of te huur in België? Ontdek het grootste aanbod huizen, appartementen, gronden en commerciële panden op Zimmo, immosite voor slimmeriken.


Key Findings

We analyzed page load time and found that the first response time was 122 ms and then it took 298 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

122 ms

45 ms


52 ms


70 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 25% of them (1 request) were addressed to the original, 50% (2 requests) were made to and 25% (1 request) were made to The less responsive or slowest element that took the longest time to load (122 ms) belongs to the original domain

Page Optimization Overview & Recommendations

Page size can be reduced by 241.7 kB (32%)

Content Size

743.8 kB

After Optimization

502.1 kB

In fact, the total size of main page is 743.8 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. Images take 367.6 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 9.1 kB

  • Original 16.1 kB
  • After minification 16.1 kB
  • After compression 7.0 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 9.1 kB or 56% of the original size.

Image Optimization


Potential reduce by 9.1 kB

  • Original 367.6 kB
  • After minification 358.5 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. Hebbes images are well optimized though.

JavaScript Optimization


Potential reduce by 120.4 kB

  • Original 240.1 kB
  • After minification 240.1 kB
  • After compression 119.7 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 120.4 kB or 50% of the original size.

CSS Optimization


Potential reduce by 103.1 kB

  • Original 120.0 kB
  • After minification 84.8 kB
  • After compression 16.9 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. needs all CSS files to be minified and compressed as it can save up to 103.1 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now


After Optimization


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

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that 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 Hebbes. 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: