Tools & Wizards About Us
van-slooten.nl screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

van-slooten.nl

Van Slooten – Wij hebben er écht verstand van

Page Load Speed

4.3 sec in total

First Response

366 ms

Resources Loaded

3.3 sec

Page Rendered

609 ms

van-slooten.nl screenshot

About Website

Visit van-slooten.nl now to see the best up-to-date Van Slooten content and also check out these interesting facts you probably never knew about van-slooten.nl

Maak kennis met ondernemingen die ieder op hun eigen vakgebied gericht zijn op een optimale dienstverlening. Full-service.

Visit van-slooten.nl

Key Findings

We analyzed Van-slooten.nl page load time and found that the first response time was 366 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

van-slooten.nl performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,800 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

van-slooten.nl

366 ms

www.van-slooten.nl

978 ms

jquery-2.2.4.min.js

556 ms

cookieconsent.min.css

96 ms

cookieconsent.min.js

199 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 66% of them (40 requests) were addressed to the original Van-slooten.nl, 5% (3 requests) were made to Occasions.van-slooten.nl and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cdn.widget.trengo.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.8 kB (20%)

Content Size

680.6 kB

After Optimization

546.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Van-slooten.nl main page is 680.6 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 539.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 41.4 kB

  • Original 52.1 kB
  • After minification 41.9 kB
  • After compression 10.8 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. This page needs HTML code to be minified as it can gain 10.2 kB, which is 20% 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 41.4 kB or 79% of the original size.

Image Optimization

-14%

Potential reduce by 77.5 kB

  • Original 539.4 kB
  • After minification 461.9 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. Obviously, Van Slooten needs image optimization as it can save up to 77.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 4.0 kB

  • Original 48.4 kB
  • After minification 48.4 kB
  • After compression 44.4 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

-27%

Potential reduce by 10.9 kB

  • Original 40.6 kB
  • After minification 40.6 kB
  • After compression 29.8 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. Van-slooten.nl needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (29%)

Requests Now

55

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Van Slooten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

van-slooten.nl

van-slooten.nl

366 ms

www.van-slooten.nl

www.van-slooten.nl

978 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

556 ms

cookieconsent.min.css

cookieconsent.min.css

96 ms

cookieconsent.min.js

cookieconsent.min.js

199 ms

lightgallery.css

lightgallery.css

486 ms

template.css

template.css

402 ms

bootstrap.min.js

bootstrap.min.js

305 ms

jPushMenu.js

jPushMenu.js

305 ms

functions.js

functions.js

304 ms

plausible.js

plausible.js

586 ms

include.js

include.js

110 ms

css

css

50 ms

gtm.js

gtm.js

221 ms

topbar-bg.png

topbar-bg.png

96 ms

738876583

738876583

378 ms

whatsapp.png

whatsapp.png

197 ms

telefoon.png

telefoon.png

196 ms

afspraak.png

afspraak.png

196 ms

twitter.png

twitter.png

196 ms

facebook.png

facebook.png

196 ms

instagram.png

instagram.png

194 ms

logo.png

logo.png

362 ms

video.jpg

video.jpg

480 ms

apple.png

apple.png

363 ms

android.png

android.png

360 ms

diensten-bg.jpg

diensten-bg.jpg

426 ms

occassions.png

occassions.png

480 ms

autoverkoop.png

autoverkoop.png

425 ms

vinden.png

vinden.png

480 ms

leasen.png

leasen.png

482 ms

verkopen.png

verkopen.png

731 ms

financieren.png

financieren.png

482 ms

onderhoud.png

onderhoud.png

612 ms

autoschade.png

autoschade.png

611 ms

personenvervoer.png

personenvervoer.png

611 ms

autoverhuur.png

autoverhuur.png

612 ms

schipholservice.png

schipholservice.png

612 ms

tankstation.png

tankstation.png

731 ms

bandenshop.png

bandenshop.png

729 ms

Van_Slooten_icon_camper_onderhoud.png

Van_Slooten_icon_camper_onderhoud.png

730 ms

Van_Slooten_icon_caravan_onderhoud.png

Van_Slooten_icon_caravan_onderhoud.png

729 ms

erkend-duurzaam.gif

erkend-duurzaam.gif

730 ms

van-slooten-1.jpg

van-slooten-1.jpg

913 ms

caravanbanden-vervangen-03.jpg

caravanbanden-vervangen-03.jpg

820 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

125 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

213 ms

din_alternate_bold-webfont.woff

din_alternate_bold-webfont.woff

755 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

849 ms

widget.js

widget.js

1111 ms

analytics.js

analytics.js

205 ms

fbevents.js

fbevents.js

203 ms

collect

collect

66 ms

collect

collect

69 ms

collect

collect

39 ms

js

js

185 ms

collect

collect

44 ms

js

js

58 ms

ga-audiences

ga-audiences

270 ms

ga-audiences

ga-audiences

317 ms

loader.js

loader.js

155 ms

Accessibility Review

van-slooten.nl accessibility score

85

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

van-slooten.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

van-slooten.nl SEO score

91

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Van-slooten.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 Van-slooten.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

van-slooten.nl

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