Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

deheemde.nl

Daltonschool De Heemde AlmeloDe Heemde, Daltononderwijs vanuit christelijke waarden

Page Load Speed

3.2 sec in total

First Response

506 ms

Resources Loaded

2.5 sec

Page Rendered

209 ms

About Website

Click here to check amazing De Heemde content. Otherwise, check out these important facts you probably never knew about deheemde.nl

Op De Heemde is er aandacht voor de ontwikkeling van alle kinderen. We helpen onze leerlingen om cognitief, mentaal, sociaal en emotioneel te groeien.

Visit deheemde.nl

Key Findings

We analyzed Deheemde.nl page load time and found that the first response time was 506 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

deheemde.nl performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

31/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

deheemde.nl

506 ms

jquery.js

185 ms

jquery-ui-1.8.16.custom.min.js

282 ms

jquery.easing.1.3.js

281 ms

all-in-one-min.js

374 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 24% of them (12 requests) were addressed to the original Deheemde.nl, 39% (20 requests) were made to Fonts.googleapis.com and 20% (10 requests) were made to 112.schoolsunited.nu. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Deheemde.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 581.8 kB (69%)

Content Size

840.2 kB

After Optimization

258.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deheemde.nl main page is 840.2 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. 35% of websites need less resources to load. Javascripts take 453.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 11.7 kB

  • Original 15.2 kB
  • After minification 14.6 kB
  • After compression 3.6 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 11.7 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 6.6 kB

  • Original 70.7 kB
  • After minification 64.2 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. De Heemde images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 312.7 kB

  • Original 453.1 kB
  • After minification 434.9 kB
  • After compression 140.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 312.7 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 250.9 kB

  • Original 301.2 kB
  • After minification 285.6 kB
  • After compression 50.3 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. Deheemde.nl needs all CSS files to be minified and compressed as it can save up to 250.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (68%)

Requests Now

44

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Heemde. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

deheemde.nl accessibility score

87

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

deheemde.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

deheemde.nl SEO score

91

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deheemde.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 Deheemde.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 De Heemde. 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: