Tools & Wizards About Us
maartenskliniek.nl screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

maartenskliniek.nl

Sint Maartenskliniek | Verder in beweging

Page Load Speed

4.2 sec in total

First Response

386 ms

Resources Loaded

3.7 sec

Page Rendered

158 ms

maartenskliniek.nl screenshot

About Website

Welcome to maartenskliniek.nl homepage info - get ready to check Maartenskliniek best content for Netherlands right away, or after learning these important things about maartenskliniek.nl

Als gespecialiseerd ziekenhuis zijn we in Nederland en Europa toonaangevend in de behandeling van aandoeningen op het gebied van houding en beweging.

Visit maartenskliniek.nl

Key Findings

We analyzed Maartenskliniek.nl page load time and found that the first response time was 386 ms and then it took 3.8 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

maartenskliniek.nl performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value900 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

maartenskliniek.nl

386 ms

www.maartenskliniek.nl

1282 ms

homenew.css

119 ms

global.js

236 ms

prototype.js

957 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 78% of them (39 requests) were addressed to the original Maartenskliniek.nl, 8% (4 requests) were made to F.vimeocdn.com and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Maartenskliniek.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 797.0 kB (65%)

Content Size

1.2 MB

After Optimization

430.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Maartenskliniek.nl main page is 1.2 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. 35% of websites need less resources to load. Javascripts take 867.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.0 kB

  • Original 15.9 kB
  • After minification 14.5 kB
  • After compression 3.9 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 12.0 kB or 75% of the original size.

Image Optimization

-13%

Potential reduce by 21.4 kB

  • Original 170.5 kB
  • After minification 149.1 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. Obviously, Maartenskliniek needs image optimization as it can save up to 21.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 612.6 kB

  • Original 867.5 kB
  • After minification 819.4 kB
  • After compression 254.8 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 612.6 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 150.9 kB

  • Original 173.3 kB
  • After minification 159.2 kB
  • After compression 22.4 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. Maartenskliniek.nl needs all CSS files to be minified and compressed as it can save up to 150.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (50%)

Requests Now

48

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Maartenskliniek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

maartenskliniek.nl

maartenskliniek.nl

386 ms

www.maartenskliniek.nl

www.maartenskliniek.nl

1282 ms

homenew.css

homenew.css

119 ms

global.js

global.js

236 ms

prototype.js

prototype.js

957 ms

jquery.js

jquery.js

788 ms

scriptaculous.js

scriptaculous.js

413 ms

jquery-ui.min.js

jquery-ui.min.js

1262 ms

lightbox.css

lightbox.css

337 ms

jquery-ui.min.css

jquery-ui.min.css

454 ms

lightwindow.css

lightwindow.css

560 ms

banners.js

banners.js

501 ms

effects.js

effects.js

233 ms

builder.js

builder.js

121 ms

body_background.jpg

body_background.jpg

133 ms

150654641

150654641

57 ms

header_home.jpg

header_home.jpg

203 ms

logo.png

logo.png

123 ms

topnav.gif

topnav.gif

102 ms

print-mo.gif

print-mo.gif

103 ms

zoek.gif

zoek.gif

102 ms

corpus.jpg

corpus.jpg

219 ms

knipper.gif

knipper.gif

200 ms

aandoeningenbehandelingen.png

aandoeningenbehandelingen.png

219 ms

specialistinbeweging.png

specialistinbeweging.png

236 ms

actueel.png

actueel.png

221 ms

pijl-rechts.png

pijl-rechts.png

290 ms

5502327

5502327

311 ms

5626299

5626299

325 ms

5626291

5626291

415 ms

pijl-rechts-mo.png

pijl-rechts-mo.png

313 ms

directnaar.png

directnaar.png

326 ms

twitter.png

twitter.png

374 ms

facebook.png

facebook.png

393 ms

linkedin.png

linkedin.png

411 ms

youtube.png

youtube.png

423 ms

5605903

5605903

438 ms

banner-kwaliteitsvenster-17.jpg

banner-kwaliteitsvenster-17.jpg

483 ms

dc.js

dc.js

64 ms

player.js

player.js

93 ms

player.css

player.css

75 ms

ga.js

ga.js

48 ms

vuid.min.js

vuid.min.js

85 ms

__utm.gif

__utm.gif

27 ms

__utm.gif

__utm.gif

23 ms

proxy.html

proxy.html

35 ms

550333876.jpg

550333876.jpg

114 ms

9391423_60x60.jpg

9391423_60x60.jpg

46 ms

print.css

print.css

100 ms

groter.css

groter.css

100 ms

Accessibility Review

maartenskliniek.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

button, link, and menuitem elements do not have accessible names.

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

Image elements do not have [alt] attributes

Best Practices

maartenskliniek.nl best practices score

67

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

maartenskliniek.nl SEO score

84

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

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 Maartenskliniek.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 Maartenskliniek.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

maartenskliniek.nl

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