Tools & Wizards About Us
valvas.be screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

valvas.be

Valvas :: Homepage

Page Load Speed

3.7 sec in total

First Response

408 ms

Resources Loaded

2.8 sec

Page Rendered

523 ms

valvas.be screenshot

About Website

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

Met Valvas proberen we een verzameling van interessante links aan te leggen aangevuld met andere nuttige informatie die u elders niet vindt zoals o.a. de postnummers in Belgie of de radiofrequenties i...

Visit valvas.be

Key Findings

We analyzed Valvas.be page load time and found that the first response time was 408 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

valvas.be performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.391

26/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

valvas.be

408 ms

valvas.be

1124 ms

js

65 ms

Startpagina.css

288 ms

DefaultContainer.css

392 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 97% of them (35 requests) were addressed to the original Valvas.be, 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Valvas.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.3 kB (2%)

Content Size

5.8 MB

After Optimization

5.7 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Valvas.be main page is 5.8 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. 35% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 72.7 kB

  • Original 93.3 kB
  • After minification 82.1 kB
  • After compression 20.6 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 12% 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 72.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 5.4 kB

  • Original 5.7 MB
  • After minification 5.7 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. Valvas images are well optimized though.

CSS Optimization

-87%

Potential reduce by 35.2 kB

  • Original 40.5 kB
  • After minification 25.0 kB
  • After compression 5.3 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. Valvas.be needs all CSS files to be minified and compressed as it can save up to 35.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

30

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Valvas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

valvas.be

valvas.be

408 ms

valvas.be

valvas.be

1124 ms

js

js

65 ms

Startpagina.css

Startpagina.css

288 ms

DefaultContainer.css

DefaultContainer.css

392 ms

Skin.css

Skin.css

402 ms

Strand.jpg

Strand.jpg

675 ms

Pakje-van-je-hart-groepsfoto.jpg

Pakje-van-je-hart-groepsfoto.jpg

777 ms

Remco_Evenepoel.jpg

Remco_Evenepoel.jpg

690 ms

cassiman-trio.jpg

cassiman-trio.jpg

422 ms

Queen-Elisabeth.jpg

Queen-Elisabeth.jpg

862 ms

Jean-Jacques-Cassiman.jpeg

Jean-Jacques-Cassiman.jpeg

530 ms

Overstroming.jpg

Overstroming.jpg

818 ms

James-Webb-first-images.jpg

James-Webb-first-images.jpg

861 ms

Yves-Lampaert.png

Yves-Lampaert.png

675 ms

Mondmasker.jpg

Mondmasker.jpg

707 ms

James_Webb_Space_Telescope.jpg

James_Webb_Space_Telescope.jpg

772 ms

Michael-Collins-wikipedia.jpg

Michael-Collins-wikipedia.jpg

782 ms

influenzanet.png

influenzanet.png

759 ms

cybersimpel.png

cybersimpel.png

823 ms

wizzou.jpg

wizzou.jpg

837 ms

Priorzegel.gif

Priorzegel.gif

872 ms

meteo.be.png

meteo.be.png

872 ms

Krantenstapel.jpg

Krantenstapel.jpg

907 ms

radio-telescope.jpg

radio-telescope.jpg

918 ms

holiday.jpg

holiday.jpg

1062 ms

zonsopgang.jpg

zonsopgang.jpg

969 ms

Wizzou.png

Wizzou.png

977 ms

wizzou.png

wizzou.png

973 ms

Fonts.css

Fonts.css

794 ms

Modules.css

Modules.css

812 ms

Containers.css

Containers.css

859 ms

cassiman-trio.jpg

cassiman-trio.jpg

643 ms

OldNewspaperTypes.ttf

OldNewspaperTypes.ttf

125 ms

titillium-web.regular.ttf

titillium-web.regular.ttf

125 ms

NewMedia%20Fett.ttf

NewMedia%20Fett.ttf

113 ms

Accessibility Review

valvas.be accessibility score

73

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.

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

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

Image elements do not have [alt] attributes

Best Practices

valvas.be best practices score

83

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

valvas.be SEO score

89

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Valvas.be 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 Valvas.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

valvas.be

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