Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

wdm.nl

WDM group BV – WDM helpt jouw bedrijf om grenzen te verleggen en te ontwikkelen. Ons ervaren team werkt nauw met u samen om maatwerkoplossingen te bie...

Page Load Speed

4.6 sec in total

First Response

274 ms

Resources Loaded

4 sec

Page Rendered

285 ms

wdm.nl screenshot

About Website

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

EDM vergroot het rendement op uw klantdata door intelligente en pragmatische oplossingen op het gebied van datakwaliteit, klantinzicht en doelgroepbereik.

Visit wdm.nl

Key Findings

We analyzed Wdm.nl page load time and found that the first response time was 274 ms and then it took 4.3 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

wdm.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value4,390 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

wdm.nl

274 ms

www.edm.nl

743 ms

ga.js

31 ms

Handler.js

276 ms

ombouw.css

332 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Wdm.nl, 76% (54 requests) were made to Edm.nl and 6% (4 requests) were made to Secure.livechatinc.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Edm.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 720.2 kB (19%)

Content Size

3.7 MB

After Optimization

3.0 MB

In fact, the total size of Wdm.nl main page is 3.7 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. 50% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 34.4 kB

  • Original 43.2 kB
  • After minification 33.2 kB
  • After compression 8.8 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 10.0 kB, which is 23% 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 34.4 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 82.7 kB

  • Original 2.8 MB
  • After minification 2.8 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. WDM images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 567.3 kB

  • Original 811.4 kB
  • After minification 806.4 kB
  • After compression 244.1 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 567.3 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 35.8 kB

  • Original 43.9 kB
  • After minification 32.6 kB
  • After compression 8.1 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. Wdm.nl needs all CSS files to be minified and compressed as it can save up to 35.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (41%)

Requests Now

63

After Optimization

37

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WDM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

wdm.nl accessibility score

91

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

wdm.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

wdm.nl SEO score

93

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wdm.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Wdm.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 WDM. 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: