3.1 sec in total
394 ms
2.5 sec
243 ms
Visit doorkijk.nu now to see the best up-to-date Doorkijk content and also check out these interesting facts you probably never knew about doorkijk.nu
Visit doorkijk.nuWe analyzed Doorkijk.nu page load time and found that the first response time was 394 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
doorkijk.nu performance score
name
value
score
weighting
Value3.0 s
51/100
10%
Value11.1 s
0/100
25%
Value4.1 s
79/100
10%
Value100 ms
98/100
30%
Value0.266
46/100
15%
Value4.4 s
84/100
10%
394 ms
215 ms
433 ms
221 ms
739 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Doorkijk.nu and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Doorkijk.nu.
Page size can be reduced by 319.1 kB (38%)
846.1 kB
527.0 kB
In fact, the total size of Doorkijk.nu main page is 846.1 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 10% of websites need less resources to load. Images take 447.6 kB which makes up the majority of the site volume.
Potential reduce by 6.2 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. This page needs HTML code to be minified as it can gain 1.3 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 6.2 kB or 74% of the original size.
Potential reduce by 53.1 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. Obviously, Doorkijk needs image optimization as it can save up to 53.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 245.0 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 245.0 kB or 66% of the original size.
Potential reduce by 14.8 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. Doorkijk.nu needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 84% of the original size.
We found no issues to fix!
23
23
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doorkijk. According to our analytics all requests are already optimized.
doorkijk.nu
394 ms
style.css
215 ms
jquery-1.9.1.min.js
433 ms
nav-active-handler.js
221 ms
tinymce.min.js
739 ms
background.png
501 ms
shadowleft.png
156 ms
shadowright.png
170 ms
header.png
182 ms
cursus_info.png
207 ms
logo.png
280 ms
bfbuttonthung.png
264 ms
Doorkijk-Banner-homepage.gif
1237 ms
informationbg.png
525 ms
shadowtop.png
312 ms
infoheader_start.png
372 ms
infoheader_green.png
391 ms
infoheader_gray.png
422 ms
infoheader_end.png
482 ms
infobottomwing.png
498 ms
shadowbottom.png
527 ms
infobottomwingflip.png
597 ms
paddenstoel.jpg
627 ms
footer_flap.png
617 ms
doorkijk.nu 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.
doorkijk.nu 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
Page has valid source maps
doorkijk.nu 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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doorkijk.nu 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 Doorkijk.nu 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.
doorkijk.nu
Open Graph description is not detected on the main page of Doorkijk. 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: