Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

immojanstas.be

Home - Immo Jan Stas

Page Load Speed

5.6 sec in total

First Response

239 ms

Resources Loaded

4.2 sec

Page Rendered

1.2 sec

immojanstas.be screenshot

About Website

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

Vastgoedkantoor Leuven, Tienen of Rotselaar gezocht? Immo Jan Stas begeleidt jou bij het (ver)kopen en (ver)huren van jouw vastgoeddroom. Maak kennis.

Visit immojanstas.be

Key Findings

We analyzed Immojanstas.be page load time and found that the first response time was 239 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

immojanstas.be performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.307

38/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

immojanstas.be

239 ms

immojanstas.be

391 ms

www.immojanstas.be

189 ms

516 ms

fbevents.js

109 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 53% of them (18 requests) were addressed to the original Immojanstas.be, 12% (4 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Immojanstas.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.1 kB (6%)

Content Size

3.6 MB

After Optimization

3.4 MB

In fact, the total size of Immojanstas.be main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.2 kB

  • Original 31.6 kB
  • After minification 19.3 kB
  • After compression 6.3 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 12.3 kB, which is 39% 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 25.2 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 190.7 kB

  • Original 3.5 MB
  • After minification 3.3 MB

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. Immo Jan Stas images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 21.6 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

-0%

Potential reduce by 116 B

  • Original 40.8 kB
  • After minification 40.8 kB
  • After compression 40.7 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. Immojanstas.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (32%)

Requests Now

22

After Optimization

15

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Immo Jan Stas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

immojanstas.be accessibility score

80

Accessibility Issues

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.

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

immojanstas.be best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

immojanstas.be SEO score

86

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

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