4.7 sec in total
1 sec
3.4 sec
292 ms
Visit pelsser.nl now to see the best up-to-date Pelsser content and also check out these interesting facts you probably never knew about pelsser.nl
Pelsser Red Centrum onderzoekt de relatie tussen voeding en ADHD. Dit gebeurt volgens een strikt protocol, het Pelsser-Voeding en Gedrag-onderzoek.
Visit pelsser.nlWe analyzed Pelsser.nl page load time and found that the first response time was 1 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
pelsser.nl performance score
name
value
score
weighting
Value2.5 s
66/100
10%
Value3.1 s
75/100
25%
Value12.7 s
3/100
10%
Value6,100 ms
0/100
30%
Value1.176
1/100
15%
Value18.2 s
3/100
10%
1014 ms
701 ms
792 ms
699 ms
841 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Pelsser.nl, 59% (22 requests) were made to Adhdenvoeding.nl and 14% (5 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Adhdenvoeding.nl.
Page size can be reduced by 564.5 kB (62%)
915.4 kB
350.9 kB
In fact, the total size of Pelsser.nl main page is 915.4 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. 65% of websites need less resources to load. Javascripts take 548.0 kB which makes up the majority of the site volume.
Potential reduce by 28.8 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 28.8 kB or 75% of the original size.
Potential reduce by 292 B
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. Pelsser images are well optimized though.
Potential reduce by 308.8 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 308.8 kB or 56% of the original size.
Potential reduce by 226.6 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. Pelsser.nl needs all CSS files to be minified and compressed as it can save up to 226.6 kB or 82% of the original size.
Number of requests can be reduced by 24 (67%)
36
12
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pelsser. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
pelsser.nl
1014 ms
style.css
701 ms
superfish.css
792 ms
nivosliderstyle.css
699 ms
styles.css
841 ms
colorbox.min.css
1006 ms
jquery.js
1819 ms
jquery-migrate.min.js
784 ms
jquery-1.3.js.php
866 ms
microAudio.js.php
867 ms
jquery.js
1317 ms
superfish.js
931 ms
jquery.nivo.slider.pack.js
1020 ms
element.js
32 ms
jquery.form.min.js
963 ms
scripts.js
993 ms
jquery.colorbox.1.5.9-min.js
1027 ms
wp-embed.min.js
1032 ms
wp-emoji-release.min.js
400 ms
translateelement.css
65 ms
main.js
280 ms
header-nieuw.jpg
286 ms
Visite-Pelsser1.png
280 ms
52w-XNBZ9BI
257 ms
SmR0312D4n0
236 ms
pdficon.gif
218 ms
arrows-ffffff.png
165 ms
shadow.png
165 ms
www-embed-player-vfl8xM8me.css
46 ms
www-embed-player.js
86 ms
base.js
166 ms
element_main.js
102 ms
translate_24dp.png
150 ms
l
118 ms
ad_status.js
65 ms
te_ctrl3.gif
35 ms
googlelogo_color_68x28dp.png
34 ms
pelsser.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.
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.
pelsser.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
pelsser.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 Pelsser.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 Pelsser.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.
pelsser.nl
Open Graph description is not detected on the main page of Pelsser. 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: