3.8 sec in total
460 ms
3.1 sec
305 ms
Visit centennium.nl now to see the best up-to-date Centennium content and also check out these interesting facts you probably never knew about centennium.nl
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Visit centennium.nlWe analyzed Centennium.nl page load time and found that the first response time was 460 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
centennium.nl performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value3.5 s
62/100
25%
Value10.8 s
6/100
10%
Value310 ms
78/100
30%
Value1.002
2/100
15%
Value6.9 s
54/100
10%
460 ms
636 ms
170 ms
257 ms
266 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 61% of them (19 requests) were addressed to the original Centennium.nl, 26% (8 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (636 ms) belongs to the original domain Centennium.nl.
Page size can be reduced by 350.8 kB (47%)
753.2 kB
402.4 kB
In fact, the total size of Centennium.nl main page is 753.2 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 315.3 kB which makes up the majority of the site volume.
Potential reduce by 35.1 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 35.1 kB or 78% of the original size.
Potential reduce by 17.6 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. Centennium images are well optimized though.
Potential reduce by 209.4 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 209.4 kB or 73% of the original size.
Potential reduce by 88.7 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. Centennium.nl needs all CSS files to be minified and compressed as it can save up to 88.7 kB or 84% of the original size.
Number of requests can be reduced by 8 (40%)
20
12
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centennium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
centennium.nl
460 ms
nl
636 ms
css_rEI_5cK_B9hB4So2yZUtr5weuEV3heuAllCDE6XsIkI.css
170 ms
css_6p39M0zL1__PoDoaChoUvP0YlXljoRb1o0Q82YN7Tog.css
257 ms
css_Wu8npAzy16WmnnnWKxpexfgsAryolGGaX6yO3GWA5bU.css
266 ms
css_WTWqep1tiSOLOiIqpxS08aSHfjukslFBgdLOjAdye3g.css
259 ms
jquery-1.8.3.min.js
55 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
278 ms
js_5JZ6Fc_73IEzPh-tZErAqJcv-v3tzL6FnsGB4nL_LyM.js
264 ms
js_tmRmkGE7h9va3wjnC-z1DwECkRM8REQTmF2PJrNoBP4.js
427 ms
css
75 ms
analytics.js
16 ms
collect
13 ms
site-logo-theme1.svg
128 ms
igo.jpg
512 ms
keyvisual-slope.png
128 ms
keyvisual-slope-top.png
125 ms
wouter_van_zu.jpg
106 ms
gon.jpg
106 ms
coen.jpg
213 ms
bert.jpg
212 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
35 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
49 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
76 ms
4cKlrioa77J2iqTqBgkRWg.ttf
86 ms
icomoon.ttf
189 ms
2HG_tEPiQ4Z6795cGfdivKCWcynf_cDxXwCLxiixG1c.ttf
86 ms
LqowQDslGv4DmUBAfWa2Vw.ttf
85 ms
HkF_qI1x_noxlxhrhMQYEKCWcynf_cDxXwCLxiixG1c.ttf
86 ms
VNUH7ZAcagYBWsAiBBCEY6CWcynf_cDxXwCLxiixG1c.ttf
86 ms
icon-arrow.svg
96 ms
centennium.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.
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
Links do not have a discernible name
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.
centennium.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
centennium.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
EN
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centennium.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Centennium.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.
centennium.nl
Open Graph description is not detected on the main page of Centennium. 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: