Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vbuuren.nl

Rijschool in regio Den Haag en Rotterdam | Verkeersschool Van Buuren

Page Load Speed

3.9 sec in total

First Response

386 ms

Resources Loaded

3.1 sec

Page Rendered

381 ms

vbuuren.nl screenshot

About Website

Click here to check amazing V Buuren content for Netherlands. Otherwise, check out these important facts you probably never knew about vbuuren.nl

De opleiding voor je rijbewijs volg je snel en voordelig bij Verkeersschool Van Buuren! Dé rijschool van regio Den Haag en Rotterdam voor alle rijbewijzen.

Visit vbuuren.nl

Key Findings

We analyzed Vbuuren.nl page load time and found that the first response time was 386 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vbuuren.nl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

vbuuren.nl

386 ms

www.vbuuren.nl

291 ms

www.vbuuren.nl

633 ms

minify.php

128 ms

home.css

214 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 51% of them (23 requests) were addressed to the original Vbuuren.nl, 11% (5 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Vbuuren.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.4 kB (24%)

Content Size

440.6 kB

After Optimization

335.1 kB

In fact, the total size of Vbuuren.nl main page is 440.6 kB. 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 251.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.1 kB

  • Original 20.9 kB
  • After minification 18.9 kB
  • After compression 5.8 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 15.1 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 2.3 kB

  • Original 251.7 kB
  • After minification 249.4 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. V Buuren images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 87.8 kB

  • Original 167.3 kB
  • After minification 167.3 kB
  • After compression 79.5 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 87.8 kB or 52% of the original size.

CSS Optimization

-29%

Potential reduce by 202 B

  • Original 692 B
  • After minification 692 B
  • After compression 490 B

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. Vbuuren.nl needs all CSS files to be minified and compressed as it can save up to 202 B or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (54%)

Requests Now

37

After Optimization

17

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V Buuren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vbuuren.nl accessibility score

71

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

vbuuren.nl 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vbuuren.nl 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vbuuren.nl 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 Vbuuren.nl 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 V Buuren. 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: