Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

hetpreventiecentrum.nl

Fysiotherapie | Fitness | Revalidatie | Preventiecentrum Almere

Page Load Speed

9.7 sec in total

First Response

344 ms

Resources Loaded

8.6 sec

Page Rendered

772 ms

About Website

Click here to check amazing Het Preventiecentrum content. Otherwise, check out these important facts you probably never knew about hetpreventiecentrum.nl

Wat wij doen? Rugklachten✅, Schouderklachten✅, Nekklachten✅, Revalidatie✅, Manueel Therapie✅, Dry Needling✅, Shockwave✅, Fitness✅ 9+ Beoordeling

Visit hetpreventiecentrum.nl

Key Findings

We analyzed Hetpreventiecentrum.nl page load time and found that the first response time was 344 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

hetpreventiecentrum.nl performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

hetpreventiecentrum.nl

344 ms

www.fysiotherapiealmere.nl

5209 ms

css

38 ms

ab-reset.css

222 ms

ladda-themeless.min.css

321 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Hetpreventiecentrum.nl, 72% (67 requests) were made to Fysiotherapiealmere.nl and 10% (9 requests) were made to Zorgkaartnederland.nl. The less responsive or slowest element that took the longest time to load (5.2 sec) relates to the external source Fysiotherapiealmere.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (42%)

Content Size

3.0 MB

After Optimization

1.8 MB

In fact, the total size of Hetpreventiecentrum.nl main page is 3.0 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 77.6 kB

  • Original 94.9 kB
  • After minification 93.0 kB
  • After compression 17.3 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 77.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 44.9 kB

  • Original 1.4 MB
  • After minification 1.4 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. Het Preventiecentrum images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 752.4 kB

  • Original 1.0 MB
  • After minification 949.6 kB
  • After compression 290.3 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 752.4 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 407.3 kB

  • Original 477.0 kB
  • After minification 403.2 kB
  • After compression 69.7 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. Hetpreventiecentrum.nl needs all CSS files to be minified and compressed as it can save up to 407.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (55%)

Requests Now

83

After Optimization

37

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Het Preventiecentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hetpreventiecentrum.nl accessibility score

65

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

hetpreventiecentrum.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

hetpreventiecentrum.nl SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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