1.5 sec in total
446 ms
911 ms
118 ms
Welcome to hartwijzer.nl homepage info - get ready to check Hartwijzer best content for Belgium right away, or after learning these important things about hartwijzer.nl
Hartwijzer gaat over hartziekten, hoe hartziekten behandeld worden en wat je kunt doen om hartziekten te voorkomen.
Visit hartwijzer.nlWe analyzed Hartwijzer.nl page load time and found that the first response time was 446 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
hartwijzer.nl performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value5.5 s
19/100
25%
Value5.6 s
52/100
10%
Value130 ms
96/100
30%
Value0.012
100/100
15%
Value6.5 s
59/100
10%
446 ms
182 ms
180 ms
5 ms
94 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Hartwijzer.nl, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (446 ms) belongs to the original domain Hartwijzer.nl.
Page size can be reduced by 8.7 kB (29%)
29.6 kB
20.9 kB
In fact, the total size of Hartwijzer.nl main page is 29.6 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. Only 5% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.
Potential reduce by 7.9 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 7.9 kB or 70% of the original size.
Potential reduce by 53 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 741 B
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. Hartwijzer.nl needs all CSS files to be minified and compressed as it can save up to 741 B or 62% of the original size.
Number of requests can be reduced by 5 (38%)
13
8
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hartwijzer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
hartwijzer.nl
446 ms
AC_RunActiveContent.js
182 ms
stijl.css
180 ms
ga.js
5 ms
bovenbalk_hw.gif
94 ms
wijzer.gif
94 ms
print.gif
93 ms
mail.gif
182 ms
blanco.gif
180 ms
omslag.gif
356 ms
Ned_Ver_voor_Card.gif
182 ms
onderbalk_hw.gif
183 ms
__utm.gif
10 ms
stijl_print.css
91 ms
hartwijzer.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.
hartwijzer.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
hartwijzer.nl SEO score
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
NL
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hartwijzer.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 Hartwijzer.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
hartwijzer.nl
Open Graph description is not detected on the main page of Hartwijzer. 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: