2.4 sec in total
374 ms
1.8 sec
197 ms
Welcome to lakenhal.nl homepage info - get ready to check Lakenhal best content for Netherlands right away, or after learning these important things about lakenhal.nl
Museum De Lakenhal is het museum voor kunst en geschiedenis van Leiden.
Visit lakenhal.nlWe analyzed Lakenhal.nl page load time and found that the first response time was 374 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
lakenhal.nl performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value8.0 s
2/100
25%
Value6.5 s
39/100
10%
Value170 ms
92/100
30%
Value0.023
100/100
15%
Value7.2 s
50/100
10%
374 ms
269 ms
171 ms
143 ms
613 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 36% of them (9 requests) were addressed to the original Lakenhal.nl, 24% (6 requests) were made to Use.typekit.net and 12% (3 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (654 ms) belongs to the original domain Lakenhal.nl.
Page size can be reduced by 289.4 kB (37%)
780.3 kB
490.9 kB
In fact, the total size of Lakenhal.nl main page is 780.3 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. 40% of websites need less resources to load. Images take 445.6 kB which makes up the majority of the site volume.
Potential reduce by 15.1 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 15.1 kB or 75% of the original size.
Potential reduce by 1.7 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. Lakenhal images are well optimized though.
Potential reduce by 34 B
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.
Potential reduce by 272.6 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. Lakenhal.nl needs all CSS files to be minified and compressed as it can save up to 272.6 kB or 92% of the original size.
We found no issues to fix!
16
16
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lakenhal. According to our analytics all requests are already optimized.
lakenhal.nl
374 ms
www.lakenhal.nl
269 ms
nl
171 ms
juu7nhf.js
143 ms
application-323033ec5cdf8fc9093a472e7a334cfe.css
613 ms
application-70d9f6373cc1cd359c056208a9e911d6.js
654 ms
www.lakenhal.nl
188 ms
ga.js
93 ms
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92 ms
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111 ms
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92 ms
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106 ms
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38 ms
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26 ms
logo-315036a9ebbf6de669975b191bcfb015.svg
92 ms
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35 ms
cD4G6-C6JjbFtlhF76ouK-CcmjECPSCVm-R_XbeT9WIffFx8ggMdeMJ6Mk6f5Mb.woff
29 ms
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68 ms
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112 ms
lakenhal-icons_7417e04d65214204792e2961d60de8f5.svg
263 ms
lakenhal-icons_7417e04d65214204792e2961d60de8f5.woff
91 ms
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134 ms
__utm.gif
20 ms
collect
62 ms
p.gif
129 ms
lakenhal.nl accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
lakenhal.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
Missing source maps for large first-party JavaScript
lakenhal.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lakenhal.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lakenhal.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.
lakenhal.nl
Open Graph description is not detected on the main page of Lakenhal. 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: