Tools & Wizards About Us
donorvoorlichting.nl screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

donorvoorlichting.nl

Alles over orgaan- en weefseldonatie | NTS

Page Load Speed

3.1 sec in total

First Response

355 ms

Resources Loaded

2.3 sec

Page Rendered

398 ms

donorvoorlichting.nl screenshot

About Website

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

Kennis en informatie over orgaandonatie en weefseldonatie. Vind bij de Nederlandse Transplantatie Stichting (NTS) betrouwbare informatie, lees ervaringsverhalen en ga in gesprek over orgaandonatie.

Visit donorvoorlichting.nl

Key Findings

We analyzed Donorvoorlichting.nl page load time and found that the first response time was 355 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

donorvoorlichting.nl performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

donorvoorlichting.nl

355 ms

transplantatiestichting.nl

617 ms

main.css

89 ms

homepage.css

171 ms

verhalen.css

240 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Donorvoorlichting.nl, 74% (26 requests) were made to Transplantatiestichting.nl and 9% (3 requests) were made to Statistiek.rijksoverheid.nl. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Service2.mtcaptcha.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.1 kB (7%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Donorvoorlichting.nl main page is 1.6 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. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 65.3 kB

  • Original 82.2 kB
  • After minification 63.3 kB
  • After compression 17.0 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 18.9 kB, which is 23% 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 65.3 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 32.8 kB

  • Original 1.1 MB
  • After minification 1.1 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. Donorvoorlichting images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.3 kB

  • Original 394.8 kB
  • After minification 394.8 kB
  • After compression 387.5 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

-2%

Potential reduce by 868 B

  • Original 40.3 kB
  • After minification 40.3 kB
  • After compression 39.4 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. Donorvoorlichting.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (57%)

Requests Now

30

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donorvoorlichting. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

donorvoorlichting.nl

donorvoorlichting.nl

355 ms

transplantatiestichting.nl

transplantatiestichting.nl

617 ms

main.css

main.css

89 ms

homepage.css

homepage.css

171 ms

verhalen.css

verhalen.css

240 ms

mediaplayer.css

mediaplayer.css

247 ms

base-es6.js

base-es6.js

252 ms

base-es5.js

base-es5.js

343 ms

main-es6.js

main-es6.js

258 ms

main-es5.js

main-es5.js

607 ms

a11y-form.js

a11y-form.js

318 ms

splide.min.js

splide.min.js

327 ms

overheidsmediaplayer.css

overheidsmediaplayer.css

330 ms

demo.css

demo.css

339 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

17 ms

overheidsmediaplayer-combined.min.js

overheidsmediaplayer-combined.min.js

481 ms

mtcaptcha.min.js

mtcaptcha.min.js

17 ms

mtcaptcha2.min.js

mtcaptcha2.min.js

1088 ms

homepage-maart-2.jpg

homepage-maart-2.jpg

568 ms

1681204951_orgaandonatie-20pt.svg

1681204951_orgaandonatie-20pt.svg

172 ms

wachten-orgaan.svg

wachten-orgaan.svg

195 ms

1681204999_keuze-nieuwsbrief-20pt.svg

1681204999_keuze-nieuwsbrief-20pt.svg

196 ms

1667992915_nts-geen-bezwaar-fotografie-18.jpg

1667992915_nts-geen-bezwaar-fotografie-18.jpg

328 ms

jitske-moeder-teun.jpg

jitske-moeder-teun.jpg

413 ms

orgaan-en-weefseldonatie-in-gesprek-homepage.jpg

orgaan-en-weefseldonatie-in-gesprek-homepage.jpg

345 ms

medisch-professionals-3.jpg

medisch-professionals-3.jpg

410 ms

bg-bol-oranje.svg

bg-bol-oranje.svg

293 ms

roobert-regular.woff

roobert-regular.woff

257 ms

roobert-semibold.woff

roobert-semibold.woff

283 ms

roobert-bold.woff

roobert-bold.woff

308 ms

ff454ccf-ccf4-490b-a01c-8529b1c408a8.js

ff454ccf-ccf4-490b-a01c-8529b1c408a8.js

612 ms

siteanalyze_6011261.js

siteanalyze_6011261.js

262 ms

image.aspx

image.aspx

10 ms

ppms.js

ppms.js

91 ms

ppms.php

ppms.php

104 ms

Accessibility Review

donorvoorlichting.nl accessibility score

100

Accessibility Issues

Best Practices

donorvoorlichting.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

donorvoorlichting.nl SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Donorvoorlichting.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Donorvoorlichting.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

donorvoorlichting.nl

Open Graph data is detected on the main page of Donorvoorlichting. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: