4.1 sec in total
833 ms
3.1 sec
187 ms
Click here to check amazing De Tuut content. Otherwise, check out these important facts you probably never knew about de-tuut.nl
Stoomgemaal de Tuut is een museum dat een technisch en maatschappelijk doorkijkje geeft naar het begin van de 20e eeuw. Leuk voor techneuten én technieten!
Visit de-tuut.nlWe analyzed De-tuut.nl page load time and found that the first response time was 833 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
de-tuut.nl performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value11.4 s
0/100
25%
Value10.6 s
7/100
10%
Value210 ms
89/100
30%
Value0.169
70/100
15%
Value9.5 s
30/100
10%
833 ms
113 ms
197 ms
184 ms
199 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 81% of them (66 requests) were addressed to the original De-tuut.nl, 2% (2 requests) were made to Facebook.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (876 ms) belongs to the original domain De-tuut.nl.
Page size can be reduced by 549.6 kB (43%)
1.3 MB
736.7 kB
In fact, the total size of De-tuut.nl main page is 1.3 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. 45% of websites need less resources to load. Images take 576.8 kB which makes up the majority of the site volume.
Potential reduce by 52.3 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 52.3 kB or 79% of the original size.
Potential reduce by 49.5 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. De Tuut images are well optimized though.
Potential reduce by 383.1 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 383.1 kB or 68% of the original size.
Potential reduce by 64.7 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. De-tuut.nl needs all CSS files to be minified and compressed as it can save up to 64.7 kB or 82% of the original size.
Number of requests can be reduced by 46 (61%)
76
30
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Tuut. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
de-tuut.nl
833 ms
modal.css
113 ms
mod_pixsearch_ng.css
197 ms
sigplus.min.css
184 ms
fancybox.css
199 ms
boxplus.transition.css
193 ms
boxplus.caption.min.css
195 ms
mod_cdlogin.css
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highslide.css
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css
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mootools-core.js
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core.js
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caption.js
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all.js
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mootools-more.js
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modal.js
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gpixsearch.nocache.js
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jsapi
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jquery.include.min.js
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jquery.noconflict.js
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jquery.easing.min.js
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fancybox.min.js
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boxplus.transition.min.js
528 ms
boxplus.lang.min.js
518 ms
boxplus.caption.min.js
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highslide-full.min.js
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jquery-1.2.6.pack.js
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hoverIntent.js
628 ms
superfish.js
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supersubs.js
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system.css
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position.css
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layout.css
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jceeditor.css
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general.css
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general_opera.css
777 ms
personal.css
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hide.js
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jquery.min.js
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system.css
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logo.jpg
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museum-stoomgemaal.jpg
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like.php
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icon_search.gif
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print.css
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de-tuut.nl accessibility score
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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
de-tuut.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
General
Impact
Issue
Detected JavaScript libraries
de-tuut.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De-tuut.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 De-tuut.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.
de-tuut.nl
Open Graph description is not detected on the main page of De Tuut. 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: