Tools & Wizards About Us
vdboon.nl screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vdboon.nl

Van der Boon Autobedrijven - Subaru, Suzuki & SangYong Dealer

Page Load Speed

3.3 sec in total

First Response

800 ms

Resources Loaded

2.2 sec

Page Rendered

334 ms

vdboon.nl screenshot

About Website

Click here to check amazing Vd Boon content for Netherlands. Otherwise, check out these important facts you probably never knew about vdboon.nl

Van der Boon is een fullservice autobedrijf in de regio Leimuiden en Alphen ad Rijn met ruim 60 jaar ervaring. Suzuki, Subaru en SsangYong.

Visit vdboon.nl

Key Findings

We analyzed Vdboon.nl page load time and found that the first response time was 800 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

vdboon.nl performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

www.vdboon.nl

800 ms

font-awesome.min.css

12 ms

css

43 ms

main-11.min.css

267 ms

extra-1.css

166 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 69% of them (27 requests) were addressed to the original Vdboon.nl, 5% (2 requests) were made to Netdna.bootstrapcdn.com and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain Vdboon.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 402.6 kB (37%)

Content Size

1.1 MB

After Optimization

676.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vdboon.nl main page is 1.1 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. 60% of websites need less resources to load. Images take 599.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.7 kB

  • Original 42.3 kB
  • After minification 40.0 kB
  • After compression 8.6 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. 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 33.7 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 61.1 kB

  • Original 599.2 kB
  • After minification 538.1 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. Vd Boon images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 158.1 kB

  • Original 257.4 kB
  • After minification 255.5 kB
  • After compression 99.3 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 158.1 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 149.7 kB

  • Original 180.0 kB
  • After minification 178.8 kB
  • After compression 30.4 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. Vdboon.nl needs all CSS files to be minified and compressed as it can save up to 149.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (46%)

Requests Now

35

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vd Boon. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.vdboon.nl

www.vdboon.nl

800 ms

font-awesome.min.css

font-awesome.min.css

12 ms

css

css

43 ms

main-11.min.css

main-11.min.css

267 ms

extra-1.css

extra-1.css

166 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

169 ms

styles.css

styles.css

169 ms

styles.css

styles.css

170 ms

jquery.js

jquery.js

309 ms

jquery-migrate.min.js

jquery-migrate.min.js

249 ms

jquery.min.js

jquery.min.js

13 ms

jquery-ui-custom.min.js

jquery-ui-custom.min.js

192 ms

script-1.min.js

script-1.min.js

305 ms

counter_xhtml.js

counter_xhtml.js

7 ms

jquery.form.min.js

jquery.form.min.js

190 ms

scripts.js

scripts.js

302 ms

logo.png

logo.png

194 ms

logosy.png

logosy.png

194 ms

logosu.png

logosu.png

197 ms

logosz.png

logosz.png

195 ms

searchicon.png

searchicon.png

194 ms

Vitara2.jpg

Vitara2.jpg

256 ms

Sub.Levorg2.jpg

Sub.Levorg2.jpg

470 ms

SsangYong_Tivoli1.jpg

SsangYong_Tivoli1.jpg

468 ms

suzuki_header1.jpg

suzuki_header1.jpg

586 ms

hpacties1.jpg

hpacties1.jpg

196 ms

hpacties2.jpg

hpacties2.jpg

248 ms

occasion-achtergrond_vdboon.jpg

occasion-achtergrond_vdboon.jpg

555 ms

prefooter_set3.png

prefooter_set3.png

439 ms

prefooter_social.png

prefooter_social.png

440 ms

backtotop.png

backtotop.png

441 ms

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

155 ms

toadOcfmlt9b38dHJxOBGNNE-IuDiR70wI4zXaKqWCM.ttf

toadOcfmlt9b38dHJxOBGNNE-IuDiR70wI4zXaKqWCM.ttf

156 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

153 ms

ga.js

ga.js

88 ms

t.php

t.php

53 ms

__utm.gif

__utm.gif

11 ms

widget_v2.134.js

widget_v2.134.js

12 ms

__$$__stringtable_lang_nl.js

__$$__stringtable_lang_nl.js

16 ms

Accessibility Review

vdboon.nl 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.

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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

vdboon.nl 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

vdboon.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

    NL

  • Encoding

    UTF-8

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

vdboon.nl

Open Graph data is detected on the main page of Vd Boon. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: