Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

driessen.nl

Driessen uitzendbureau | Vacatures in de overheid, het onderwijs en andere betekenisvolle sectoren

Page Load Speed

3.1 sec in total

First Response

174 ms

Resources Loaded

2.5 sec

Page Rendered

460 ms

driessen.nl screenshot

About Website

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

Driessen biedt vacatures in de overheid, het onderwijs en andere betekenisvolle sectoren. Wij zijn het uitzendbureau voor organisaties die betekenisvol werk verrichten voor onze samenleving

Visit driessen.nl

Key Findings

We analyzed Driessen.nl page load time and found that the first response time was 174 ms and then it took 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

driessen.nl performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

driessen.nl

174 ms

driessen.nl

377 ms

www.driessen.nl

670 ms

script.js

393 ms

css_UxGzh2PHmUztZxOZex1GovCNR65WRmUv4vU24SNzGXk.css

186 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 41% of them (24 requests) were addressed to the original Driessen.nl, 17% (10 requests) were made to Assets.driessengroep.nl and 14% (8 requests) were made to Ka-p.fontawesome.com. The less responsive or slowest element that took the longest time to load (670 ms) belongs to the original domain Driessen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.0 kB (17%)

Content Size

659.4 kB

After Optimization

548.4 kB

In fact, the total size of Driessen.nl main page is 659.4 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. 70% of websites need less resources to load. CSS take 267.3 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 76.6 kB

  • Original 130.2 kB
  • After minification 123.0 kB
  • After compression 53.6 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 76.6 kB or 59% of the original size.

Image Optimization

-5%

Potential reduce by 2.9 kB

  • Original 61.7 kB
  • After minification 58.8 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. Driessen images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 5.0 kB

  • Original 200.1 kB
  • After minification 200.1 kB
  • After compression 195.2 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

-10%

Potential reduce by 26.5 kB

  • Original 267.3 kB
  • After minification 261.2 kB
  • After compression 240.8 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. Driessen.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (58%)

Requests Now

38

After Optimization

16

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Driessen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

driessen.nl accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

driessen.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

High

Missing source maps for large first-party JavaScript

SEO Factors

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