Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

toets.nl

Bureau ICE - Eerlijk Inzicht geven in ieders kennis en talent

Page Load Speed

3.8 sec in total

First Response

146 ms

Resources Loaded

3.1 sec

Page Rendered

472 ms

About Website

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

Welkom bij Bureau ICE. Wij willen eerlijk inzicht geven in ieders ontwikkeling van kennis en talent. Daarom maken wij producten en diensten die deze visie ondersteunen.

Visit toets.nl

Key Findings

We analyzed Toets.nl page load time and found that the first response time was 146 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

toets.nl performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value20.2 s

2/100

10%

Network Requests Diagram

toets.nl

146 ms

www.bureau-ice.nl

865 ms

gtm.js

78 ms

all.css

64 ms

bootstrap.min.css

100 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Toets.nl, 77% (58 requests) were made to Bureau-ice.nl and 12% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Bureau-ice.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 314.7 kB (11%)

Content Size

2.7 MB

After Optimization

2.4 MB

In fact, the total size of Toets.nl main page is 2.7 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. 60% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 98.7 kB

  • Original 118.9 kB
  • After minification 95.8 kB
  • After compression 20.1 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 23.1 kB, which is 19% 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 98.7 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 212.5 kB

  • Original 2.3 MB
  • After minification 2.1 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. Toets images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.4 kB

  • Original 230.8 kB
  • After minification 230.8 kB
  • After compression 229.5 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

-3%

Potential reduce by 2.1 kB

  • Original 80.7 kB
  • After minification 80.7 kB
  • After compression 78.6 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. Toets.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 42 (70%)

Requests Now

60

After Optimization

18

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Toets. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

toets.nl accessibility score

95

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.

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

toets.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

toets.nl SEO score

97

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

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 Toets.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 Toets.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 Toets. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: