2.2 sec in total
287 ms
1.7 sec
150 ms
Click here to check amazing Opleidingen content. Otherwise, check out these important facts you probably never knew about opleidingen.nl
Hier vind je een overzicht van alle opleidingen in Nederland. Zoek en verfijn jouw keuze, lees ervaringen van anderen en vraag direct een brochure aan.
Visit opleidingen.nlWe analyzed Opleidingen.nl page load time and found that the first response time was 287 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
opleidingen.nl performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value7.7 s
3/100
25%
Value9.0 s
14/100
10%
Value170 ms
93/100
30%
Value0.002
100/100
15%
Value7.1 s
51/100
10%
287 ms
171 ms
502 ms
170 ms
4 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 51% of them (30 requests) were addressed to the original Opleidingen.nl, 12% (7 requests) were made to Tpc.googlesyndication.com and 10% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (586 ms) belongs to the original domain Opleidingen.nl.
Page size can be reduced by 398.5 kB (58%)
686.1 kB
287.6 kB
In fact, the total size of Opleidingen.nl main page is 686.1 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. 55% of websites need less resources to load. Javascripts take 493.5 kB which makes up the majority of the site volume.
Potential reduce by 14.0 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 14.0 kB or 79% of the original size.
Potential reduce by 37.3 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, Opleidingen needs image optimization as it can save up to 37.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 347.2 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 347.2 kB or 70% of the original size.
Number of requests can be reduced by 24 (45%)
53
29
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opleidingen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
opleidingen.nl
287 ms
css.php
171 ms
prototype.js
502 ms
scriptaculous.js
170 ms
show_ads.js
4 ms
jquery-1.4.2.min.js
337 ms
jquery-ui.min.js
586 ms
jquery.cornerzonders.js
175 ms
thickbox-compressed.js
251 ms
jxs-sortable.js
251 ms
effects.js
252 ms
container_bg_top.jpg
121 ms
container_bg_middle.jpg
120 ms
hoofdmenu_bg.jpg
121 ms
top_bg_left.jpg
123 ms
top_bg_middle.jpg
122 ms
logo.png
123 ms
bg_top_ad.png
188 ms
ca-pub-4588809893524457.js
61 ms
zrt_lookup.html
54 ms
show_ads_impl.js
59 ms
top_bg_right.jpg
172 ms
grey-top.png
149 ms
grey-down.png
139 ms
lichtoranje-top.png
138 ms
bullet.png
139 ms
lichtoranje-down.png
200 ms
oranje-top.png
201 ms
oranje-down.png
202 ms
content_bottom_box_left.jpg
203 ms
content_bottom_box_middle.jpg
204 ms
content_bottom_box_right.jpg
206 ms
container_bg_bottom.jpg
283 ms
ga.js
47 ms
loadingAnimation.gif
278 ms
ads
204 ms
osd.js
20 ms
__utm.gif
24 ms
ads
197 ms
ads
173 ms
ads
217 ms
10043134657284552159
70 ms
abg.js
54 ms
m_js_controller.js
67 ms
googlelogo_color_112x36dp.png
67 ms
css
111 ms
x_button_blue2.png
25 ms
s
23 ms
css
73 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
2 ms
nessie_icon_magazine_black.png
54 ms
nessie_icon_magazine_white.png
42 ms
favicon
59 ms
nessie_icon_thin_arrow_big_white.png
42 ms
Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf
90 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
91 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
99 ms
DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
99 ms
ui
53 ms
opleidingen.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.
opleidingen.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
opleidingen.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
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 Opleidingen.nl 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 Opleidingen.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.
opleidingen.nl
Open Graph description is not detected on the main page of Opleidingen. 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: