Tools & Wizards About Us
vanslooten.nl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

vanslooten.nl

Achterberg & Van Slooten Schilders Amersfoort en Ede - Achterberg & Van Slooten Schilders Amersfoort

Page Load Speed

7.2 sec in total

First Response

350 ms

Resources Loaded

6 sec

Page Rendered

863 ms

vanslooten.nl screenshot

About Website

Click here to check amazing Van Slooten content. Otherwise, check out these important facts you probably never knew about vanslooten.nl

Achterberg & Van Slooten is een professioneel schildersbedrijf met vestigingen in Amersfoort en Ede. Samen hebben we 210 jaar ervaring in nieuwbouw en bestaande bouw. Daarnaast kunt u ons inschakelen ...

Visit vanslooten.nl

Key Findings

We analyzed Vanslooten.nl page load time and found that the first response time was 350 ms and then it took 6.9 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

vanslooten.nl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value10,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.172

69/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

vanslooten.nl

350 ms

www.achterbergvanslooten.nl

3998 ms

a1f60.css

452 ms

c96cf.js

265 ms

af904.js

523 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Vanslooten.nl, 80% (44 requests) were made to Achterbergvanslooten.nl and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Achterbergvanslooten.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.3 kB (9%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vanslooten.nl main page is 1.4 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 124.7 kB

  • Original 148.0 kB
  • After minification 147.5 kB
  • After compression 23.3 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 124.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 680 B

  • Original 1.2 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. Van Slooten images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 110 B

  • Original 23.0 kB
  • After minification 23.0 kB
  • After compression 22.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 815 B

  • Original 79.7 kB
  • After minification 79.7 kB
  • After compression 78.8 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. Vanslooten.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (10%)

Requests Now

48

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vanslooten.nl

vanslooten.nl

350 ms

www.achterbergvanslooten.nl

www.achterbergvanslooten.nl

3998 ms

a1f60.css

a1f60.css

452 ms

c96cf.js

c96cf.js

265 ms

af904.js

af904.js

523 ms

864c2.js

864c2.js

502 ms

37644.js

37644.js

278 ms

gtm.js

gtm.js

160 ms

www.achterbergvanslooten.nl

www.achterbergvanslooten.nl

432 ms

logo-achterbergenvanslooten.png

logo-achterbergenvanslooten.png

176 ms

fallback-slider-1500x430.png

fallback-slider-1500x430.png

458 ms

header-aannemers-1500x430.jpg

header-aannemers-1500x430.jpg

636 ms

Glas-vervangen-bij-particulieren--1498x430.jpg

Glas-vervangen-bij-particulieren--1498x430.jpg

601 ms

header-mvo-1500x430.jpg

header-mvo-1500x430.jpg

305 ms

header-schilderwerk-402x169.jpg

header-schilderwerk-402x169.jpg

298 ms

header-behangen-402x169.jpg

header-behangen-402x169.jpg

383 ms

header-stucwerk-402x169.jpg

header-stucwerk-402x169.jpg

495 ms

Ballustrade-web-1030x437.jpg

Ballustrade-web-1030x437.jpg

562 ms

Glas-vervangen-bij-particulieren-bijsnijden-web-1030x436.jpg

Glas-vervangen-bij-particulieren-bijsnijden-web-1030x436.jpg

631 ms

Glas-vervangen-bijsnijden-web-1030x435.jpg

Glas-vervangen-bijsnijden-web-1030x435.jpg

742 ms

header-diensten-wandafwerking-402x169.jpg

header-diensten-wandafwerking-402x169.jpg

688 ms

header-diensten-gevelafwerking-1-402x169.jpg

header-diensten-gevelafwerking-1-402x169.jpg

653 ms

header-diensten-gevelreiniging-2-402x169.jpg

header-diensten-gevelreiniging-2-402x169.jpg

699 ms

header-diensten-boeidelen-vervangen-2-402x169.jpg

header-diensten-boeidelen-vervangen-2-402x169.jpg

727 ms

header-diensten-kozijnherstel-vervanging-402x169.jpg

header-diensten-kozijnherstel-vervanging-402x169.jpg

729 ms

header-diensten-hang-sluitwerk-402x169.jpg

header-diensten-hang-sluitwerk-402x169.jpg

756 ms

header-diensten-houtrotreparatie-402x169.jpg

header-diensten-houtrotreparatie-402x169.jpg

790 ms

header-diensten-houtschadeherstel-402x169.jpg

header-diensten-houtschadeherstel-402x169.jpg

791 ms

header-na-isolatie-402x169.jpg

header-na-isolatie-402x169.jpg

822 ms

header-opdrachtgevers-particulieren-402x169.jpg

header-opdrachtgevers-particulieren-402x169.jpg

825 ms

header-aannemers-402x169.jpg

header-aannemers-402x169.jpg

848 ms

header-opdrachtgevers-gemeenten-402x169.jpg

header-opdrachtgevers-gemeenten-402x169.jpg

850 ms

header-opdrachtgevers-recreatiebedrijven-402x169.jpg

header-opdrachtgevers-recreatiebedrijven-402x169.jpg

979 ms

header-opdrachtgevers-retailbedrijven-402x169.jpg

header-opdrachtgevers-retailbedrijven-402x169.jpg

880 ms

header-opdrachtgevers-vastgoedbeheerders-402x169.jpg

header-opdrachtgevers-vastgoedbeheerders-402x169.jpg

913 ms

header-opdrachtgevers-vve-402x169.jpg

header-opdrachtgevers-vve-402x169.jpg

917 ms

header-opdrachtgevers-woningcorporaties-2-402x169.jpg

header-opdrachtgevers-woningcorporaties-2-402x169.jpg

948 ms

header-opdrachtgevers-zorgsector-402x169.jpg

header-opdrachtgevers-zorgsector-402x169.jpg

946 ms

AchterbergSchilders-Onderhoudsplan-Groot-1030x687.jpg

AchterbergSchilders-Onderhoudsplan-Groot-1030x687.jpg

1067 ms

AchterbergSchilders-OnderhoudNL.png

AchterbergSchilders-OnderhoudNL.png

1051 ms

AchterbergGlasdienst-logo-web.png

AchterbergGlasdienst-logo-web.png

1040 ms

nederland-co2-neutraal-w.png

nederland-co2-neutraal-w.png

1054 ms

mvo-w.png

mvo-w.png

968 ms

entypo-fontello.woff

entypo-fontello.woff

1111 ms

css

css

71 ms

sbb-w.png

sbb-w.png

1011 ms

analytics.js

analytics.js

23 ms

NEN-ISO26000-mvo-zelfverklaring-w.png

NEN-ISO26000-mvo-zelfverklaring-w.png

974 ms

collect

collect

95 ms

collect

collect

88 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

37 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

80 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

83 ms

vca-w.png

vca-w.png

850 ms

ga-audiences

ga-audiences

78 ms

Accessibility Review

vanslooten.nl accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

Best Practices

vanslooten.nl 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vanslooten.nl SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Vanslooten.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 Vanslooten.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

vanslooten.nl

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