Tools & Wizards About Us
rijksmuseum.nl screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

rijksmuseum.nl

Rijksmuseum, hét museum van Nederland

Page Load Speed

4 sec in total

First Response

39 ms

Resources Loaded

3.6 sec

Page Rendered

297 ms

rijksmuseum.nl screenshot

About Website

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

We vertellen het verhaal van 800 jaar Nederlandse geschiedenis met de grote meesters Rembrandt, Vermeer en Van Gogh. Midden in het historische centrum van Amsterdam.

Visit rijksmuseum.nl

Key Findings

We analyzed Rijksmuseum.nl page load time and found that the first response time was 39 ms and then it took 3.9 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

rijksmuseum.nl performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,490 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

nl

39 ms

rijksmuseum-app.css

712 ms

rijksmuseum-app.mjs

745 ms

rijksmuseum-app.js

779 ms

gtm.js

112 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 73% of them (27 requests) were addressed to the original Rijksmuseum.nl, 19% (7 requests) were made to Googletagmanager.com and 3% (1 request) were made to Iiif.micr.io. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Rijksmuseum.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 266.2 kB (19%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rijksmuseum.nl main page is 1.4 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 972.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 89.6 kB

  • Original 109.5 kB
  • After minification 99.0 kB
  • After compression 19.9 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 89.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 15.5 kB

  • Original 972.4 kB
  • After minification 956.9 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. Rijksmuseum images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 153.8 kB

  • Original 283.5 kB
  • After minification 283.5 kB
  • After compression 129.7 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 153.8 kB or 54% of the original size.

CSS Optimization

-24%

Potential reduce by 7.3 kB

  • Original 30.3 kB
  • After minification 30.3 kB
  • After compression 23.0 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. Rijksmuseum.nl needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (53%)

Requests Now

34

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rijksmuseum. 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 as a result speed up the page load time.

Network Requests Diagram

nl

nl

39 ms

rijksmuseum-app.css

rijksmuseum-app.css

712 ms

rijksmuseum-app.mjs

rijksmuseum-app.mjs

745 ms

rijksmuseum-app.js

rijksmuseum-app.js

779 ms

gtm.js

gtm.js

112 ms

default.jpg

default.jpg

130 ms

m-ocw-nl.svg

m-ocw-nl.svg

680 ms

philips.svg

philips.svg

34 ms

vrienden-loterij.svg

vrienden-loterij.svg

48 ms

ing.svg

ing.svg

90 ms

kpn-logo-white.svg

kpn-logo-white.svg

91 ms

12489e0c-62ac-4d5b-83cb-f42474dd7099

12489e0c-62ac-4d5b-83cb-f42474dd7099

1016 ms

12489e0c-62ac-4d5b-83cb-f42474dd7099

12489e0c-62ac-4d5b-83cb-f42474dd7099

1574 ms

03368e09-7f8c-4f60-8eaa-cd1192be1298

03368e09-7f8c-4f60-8eaa-cd1192be1298

925 ms

e1b9f578-a41e-4673-8411-da872e0784f6

e1b9f578-a41e-4673-8411-da872e0784f6

909 ms

63fa20ad-fb42-4977-89da-426d040c492c

63fa20ad-fb42-4977-89da-426d040c492c

1007 ms

anbi.svg

anbi.svg

696 ms

instagram.svg

instagram.svg

705 ms

Facebook.svg

Facebook.svg

1070 ms

twitter.svg

twitter.svg

1034 ms

linkedin.svg

linkedin.svg

934 ms

tiktok.svg

tiktok.svg

1299 ms

youtube.svg

youtube.svg

1395 ms

Rijksmuseum-Normal.woff

Rijksmuseum-Normal.woff

1451 ms

Rijksmuseum-Bold.woff

Rijksmuseum-Bold.woff

1459 ms

rijks-polyfills-fetch.cd74efd89de0ced2065d.js

rijks-polyfills-fetch.cd74efd89de0ced2065d.js

1346 ms

rijks-polyfills-intersectionObserver.c31e0d89ab81aae4aab9.js

rijks-polyfills-intersectionObserver.c31e0d89ab81aae4aab9.js

1579 ms

rijks-polyfills-objectFit.ba0cb38bcbd104a1e373.js

rijks-polyfills-objectFit.ba0cb38bcbd104a1e373.js

1670 ms

rijks-polyfills-HTMLPictureElement.c2096544cf448d603922.js

rijks-polyfills-HTMLPictureElement.c2096544cf448d603922.js

1735 ms

js

js

53 ms

landing

landing

431 ms

js

js

130 ms

destination

destination

79 ms

destination

destination

124 ms

destination

destination

122 ms

destination

destination

124 ms

collect

collect

866 ms

Accessibility Review

rijksmuseum.nl accessibility score

100

Accessibility Issues

Best Practices

rijksmuseum.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

SEO Factors

rijksmuseum.nl SEO score

100

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rijksmuseum.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 Rijksmuseum.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

rijksmuseum.nl

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