4.7 sec in total
1.1 sec
3.1 sec
483 ms
Welcome to rijkvanstof.nl homepage info - get ready to check Rijkvanstof best content right away, or after learning these important things about rijkvanstof.nl
Van kleurig genaaid spul, Bijdehante Tante buttons (zeg maar) tot gedichtjes en troostkaarten.
Visit rijkvanstof.nlWe analyzed Rijkvanstof.nl page load time and found that the first response time was 1.1 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
rijkvanstof.nl performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value7.7 s
3/100
25%
Value7.0 s
32/100
10%
Value160 ms
94/100
30%
Value0.411
24/100
15%
Value8.9 s
34/100
10%
1113 ms
72 ms
295 ms
170 ms
499 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 61% of them (17 requests) were addressed to the original Rijkvanstof.nl, 25% (7 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Rijkvanstof.nl.
Page size can be reduced by 309.9 kB (54%)
574.0 kB
264.1 kB
In fact, the total size of Rijkvanstof.nl main page is 574.0 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 254.3 kB which makes up the majority of the site volume.
Potential reduce by 10.0 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. 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 10.0 kB or 73% of the original size.
Potential reduce by 42.5 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, Rijkvanstof needs image optimization as it can save up to 42.5 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 184.7 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 184.7 kB or 73% of the original size.
Potential reduce by 72.6 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. Rijkvanstof.nl needs all CSS files to be minified and compressed as it can save up to 72.6 kB or 85% of the original size.
Number of requests can be reduced by 8 (40%)
20
12
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rijkvanstof. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
www.rijkvanstof.nl
1113 ms
font-awesome.min.css
72 ms
main.css
295 ms
modernizr-2.8.2.min.js
170 ms
require.js
499 ms
css
81 ms
logo.png
117 ms
big-header-img.png
423 ms
illustratie-icon.png
314 ms
grafisch-icon.png
338 ms
digital-design-icon.png
248 ms
overig-icon.png
245 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
132 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
178 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
224 ms
4cKlrioa77J2iqTqBgkRWg.ttf
222 ms
bebasneue_book-webfont.woff
176 ms
2HG_tEPiQ4Z6795cGfdivKCWcynf_cDxXwCLxiixG1c.ttf
223 ms
LqowQDslGv4DmUBAfWa2Vw.ttf
221 ms
HkF_qI1x_noxlxhrhMQYEKCWcynf_cDxXwCLxiixG1c.ttf
223 ms
analytics.js
37 ms
Front.js
128 ms
collect
21 ms
Form.js
113 ms
jquery.js
324 ms
script.js
109 ms
Share.js
105 ms
Validate.js
121 ms
rijkvanstof.nl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
rijkvanstof.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
rijkvanstof.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rijkvanstof.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Rijkvanstof.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.
rijkvanstof.nl
Open Graph data is detected on the main page of Rijkvanstof. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: