Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ventilatie-luchtverwarming.be

Air Service Center voor luchtverwarming, ventilatie en meer

Page Load Speed

6.4 sec in total

First Response

304 ms

Resources Loaded

5.7 sec

Page Rendered

418 ms

About Website

Click here to check amazing Ventilatie Luchtverwarming content for Belgium. Otherwise, check out these important facts you probably never knew about ventilatie-luchtverwarming.be

Al tientallen jaren is Air Service Center een ware pionier binnen luchtverwarming, ventilatie en airconditioning. Specialiteit: een klimatisatiesysteem op maat

Visit ventilatie-luchtverwarming.be

Key Findings

We analyzed Ventilatie-luchtverwarming.be page load time and found that the first response time was 304 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ventilatie-luchtverwarming.be performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.4 s

38/100

10%

Network Requests Diagram

ventilatie-luchtverwarming.be

304 ms

index.html

383 ms

css

31 ms

css

43 ms

g=css

257 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 62% of them (37 requests) were addressed to the original Ventilatie-luchtverwarming.be, 12% (7 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Ventilatie-luchtverwarming.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 664.4 kB (31%)

Content Size

2.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ventilatie-luchtverwarming.be main page is 2.2 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 128.8 kB

  • Original 168.6 kB
  • After minification 168.4 kB
  • After compression 39.8 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 128.8 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 69.7 kB

  • Original 1.3 MB
  • After minification 1.2 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. Ventilatie Luchtverwarming images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 465.9 kB

  • Original 703.9 kB
  • After minification 702.6 kB
  • After compression 237.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 465.9 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

49

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ventilatie Luchtverwarming. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ventilatie-luchtverwarming.be accessibility score

90

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.

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

ventilatie-luchtverwarming.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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ventilatie-luchtverwarming.be SEO score

100

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

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 Ventilatie-luchtverwarming.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 Ventilatie-luchtverwarming.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 data is detected on the main page of Ventilatie Luchtverwarming. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: