Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

stuivesant.nl

Fysiotherapie in Tilburg - Stuivesant fysio & OCA Tilburg

Page Load Speed

4.8 sec in total

First Response

335 ms

Resources Loaded

4.3 sec

Page Rendered

159 ms

stuivesant.nl screenshot

About Website

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

Ons team bestaat uit verschillende gespecialiseerde fysiotherapeuten. Tevens bieden wij een multidisciplinair revalidatieprogramma voor chronische pijnklachten.

Visit stuivesant.nl

Key Findings

We analyzed Stuivesant.nl page load time and found that the first response time was 335 ms and then it took 4.5 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

stuivesant.nl performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value9,630 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

stuivesant.nl

335 ms

stuivesant

355 ms

1388 ms

mootools-core.js

199 ms

core.js

170 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Stuivesant.nl, 75% (43 requests) were made to Geertgroen.nl and 5% (3 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Geertgroen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.4 kB (52%)

Content Size

981.5 kB

After Optimization

470.1 kB

In fact, the total size of Stuivesant.nl main page is 981.5 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. 45% of websites need less resources to load. Javascripts take 593.5 kB which makes up the majority of the site volume.

HTML Optimization

-30%

Potential reduce by 84 B

  • Original 283 B
  • After minification 283 B
  • After compression 199 B

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 84 B or 30% of the original size.

Image Optimization

-5%

Potential reduce by 15.2 kB

  • Original 295.2 kB
  • After minification 280.0 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. Stuivesant images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 417.2 kB

  • Original 593.5 kB
  • After minification 559.7 kB
  • After compression 176.3 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 417.2 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 79.0 kB

  • Original 92.6 kB
  • After minification 76.3 kB
  • After compression 13.6 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. Stuivesant.nl needs all CSS files to be minified and compressed as it can save up to 79.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (60%)

Requests Now

53

After Optimization

21

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stuivesant. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stuivesant.nl accessibility score

85

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

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

stuivesant.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

stuivesant.nl SEO score

91

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stuivesant.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 Stuivesant.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Stuivesant. 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: