3.7 sec in total
369 ms
3 sec
286 ms
Click here to check amazing U Center content for Netherlands. Otherwise, check out these important facts you probably never knew about u-center.nl
Op zoek naar duurzame gedragsverandering en gemotiveerd om aan je klachten te werken? Start jouw U-turn in ons klinisch behandelcentrum.
Visit u-center.nlWe analyzed U-center.nl page load time and found that the first response time was 369 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
u-center.nl performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value4.4 s
40/100
25%
Value7.3 s
28/100
10%
Value980 ms
28/100
30%
Value0
100/100
15%
Value11.9 s
17/100
10%
369 ms
1090 ms
250 ms
515 ms
180 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 77% of them (55 requests) were addressed to the original U-center.nl, 3% (2 requests) were made to Html5box.com and 3% (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 U-center.nl.
Page size can be reduced by 1.2 MB (29%)
4.1 MB
2.9 MB
In fact, the total size of U-center.nl main page is 4.1 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. 55% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 37.2 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 37.2 kB or 68% of the original size.
Potential reduce by 89.4 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. U Center images are well optimized though.
Potential reduce by 1.0 MB
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 1.0 MB or 79% of the original size.
Potential reduce by 36.8 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. U-center.nl needs all CSS files to be minified and compressed as it can save up to 36.8 kB or 88% of the original size.
Number of requests can be reduced by 22 (34%)
64
42
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
u-center.nl
369 ms
www.u-center.nl
1090 ms
DXR.axd
250 ms
jquery-latest.js
515 ms
jquery.watermark.min-latest.js
180 ms
GeneralCMS.js
189 ms
GeneralCMS.css
194 ms
screen.min.css
484 ms
shadowbox.js
464 ms
custom.js
551 ms
html5lightbox.js
86 ms
buttons.js
8 ms
5242640580.js
30 ms
WebResource.axd
333 ms
WebResource.axd
278 ms
WebResource.axd
330 ms
WebResource.axd
371 ms
WebResource.axd
415 ms
ScriptResource.axd
560 ms
ScriptResource.axd
515 ms
DXR.axd
520 ms
DXR.axd
520 ms
hotjar-73129.js
186 ms
agaramondpro-regular-webfont.woff
471 ms
agaramondpro-bold-webfont.woff
402 ms
DXR.axd
143 ms
professional.png
147 ms
U-Center.jpg
145 ms
valueBased.png
301 ms
statue_thumb.png
273 ms
statue_background.png
483 ms
statue_foreground.png
484 ms
living_thumb.png
300 ms
living_background.png
677 ms
goldseats_thumb.png
396 ms
goldseats_foreground.png
946 ms
location_thumb.png
498 ms
location_foreground.png
884 ms
flower_thumb.png
569 ms
flower_foreground.png
876 ms
horse_thumb.png
603 ms
horse_foreground.png
922 ms
twitter.png
705 ms
youtube.png
773 ms
ulogo.png
822 ms
general.png
781 ms
contact.png
826 ms
logo.png
876 ms
screen.min.css
881 ms
flags.png
883 ms
icons.png
930 ms
visitor.gif
235 ms
ga.js
130 ms
agaramondpro-italic-webfont.woff
893 ms
agaramondpro-bolditalic-webfont.woff
901 ms
fontawesome-webfont.woff
927 ms
froogaloop2.min.js
143 ms
iframe_api
158 ms
getAllAppDefault.esi
112 ms
popupIcon.png
803 ms
close.png
793 ms
layer-play.png
865 ms
modules-043c1e6abe660c48857202e419ff9d8a.js
83 ms
__utm.gif
17 ms
www-widgetapi.js
51 ms
getSegment.php
156 ms
checkOAuth.esi
5 ms
t.dhj
15 ms
visit-data
230 ms
validatorupdatedisplaydiv.js
98 ms
logo.png
88 ms
u-center.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
[aria-*] attributes do not match their roles
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
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
u-center.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
Page has valid source maps
u-center.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a valid hreflang
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 U-center.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 U-center.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.
u-center.nl
Open Graph description is not detected on the main page of U Center. 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: