Report Summary

  • 38

    Performance

    Renders faster than
    58% 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

2.9 sec in total

First Response

381 ms

Resources Loaded

2.3 sec

Page Rendered

177 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 381 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rijksmuseum.nl performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

rijksmuseum.nl

381 ms

www.rijksmuseum.nl

802 ms

rijksmuseum-web-fonts.css

296 ms

rijksmuseum-web.css

494 ms

modernizr.js

303 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 62% of them (23 requests) were addressed to the original Rijksmuseum.nl, 11% (4 requests) were made to Lh3.googleusercontent.com and 8% (3 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (802 ms) belongs to the original domain Rijksmuseum.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 707.6 kB (32%)

Content Size

2.2 MB

After Optimization

1.5 MB

In fact, the total size of Rijksmuseum.nl main page is 2.2 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. 20% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 28.4 kB

  • Original 37.0 kB
  • After minification 33.6 kB
  • After compression 8.6 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 28.4 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 3.5 kB

  • Original 1.2 MB
  • After minification 1.2 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. Rijksmuseum images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 486.0 kB

  • Original 740.1 kB
  • After minification 738.2 kB
  • After compression 254.2 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 486.0 kB or 66% of the original size.

CSS Optimization

-87%

Potential reduce by 189.7 kB

  • Original 218.3 kB
  • After minification 157.8 kB
  • After compression 28.6 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. Rijksmuseum.nl needs all CSS files to be minified and compressed as it can save up to 189.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (20%)

Requests Now

30

After Optimization

24

The browser has sent 30 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 7 to 1 for JavaScripts and as a result speed up the page load time.

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

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: