5.8 sec in total
1.3 sec
4.1 sec
491 ms
Click here to check amazing Tet content for Netherlands. Otherwise, check out these important facts you probably never knew about tet.nl
Snel slagen. Online theoriecursus en onbeperkt oefenexamens oefenen CBR theorie-examens auto, motor en bromfiets/scooter op computer, tablet en smartphone. Geen theorieboek nodig voor je autorijbewijs...
Visit tet.nlWe analyzed Tet.nl page load time and found that the first response time was 1.3 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
tet.nl performance score
name
value
score
weighting
Value8.8 s
0/100
10%
Value11.5 s
0/100
25%
Value14.0 s
1/100
10%
Value2,370 ms
5/100
30%
Value0.071
96/100
15%
Value14.1 s
9/100
10%
1266 ms
82 ms
137 ms
409 ms
476 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 85% of them (74 requests) were addressed to the original Tet.nl, 7% (6 requests) were made to Kiyoh.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tet.nl.
Page size can be reduced by 820.8 kB (60%)
1.4 MB
542.4 kB
In fact, the total size of Tet.nl main page is 1.4 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. 60% of websites need less resources to load. Images take 580.2 kB which makes up the majority of the site volume.
Potential reduce by 29.7 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 29.7 kB or 75% of the original size.
Potential reduce by 246.6 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. Obviously, Tet needs image optimization as it can save up to 246.6 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 298.8 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 298.8 kB or 66% of the original size.
Potential reduce by 245.7 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. Tet.nl needs all CSS files to be minified and compressed as it can save up to 245.7 kB or 84% of the original size.
Number of requests can be reduced by 47 (59%)
80
33
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.
tet.nl
1266 ms
gtm.js
82 ms
modal.css
137 ms
bootstrap.css
409 ms
mootools-core.js
476 ms
core.js
297 ms
mootools-more.js
761 ms
modal.js
300 ms
jquery.min.js
579 ms
jquery-noconflict.js
382 ms
jquery-migrate.min.js
392 ms
bootstrap.min.js
591 ms
keepalive.js
576 ms
base.css
577 ms
layout.css
590 ms
menus.css
592 ms
tools.css
590 ms
system.css
592 ms
extensions.css
646 ms
custom.css
651 ms
tet.css
919 ms
selectbox.css
654 ms
arial.css
657 ms
arial.css
712 ms
style.css
717 ms
warp.js
890 ms
responsive.js
891 ms
accordionmenu.js
891 ms
dropdownmenu.js
892 ms
detectmobilebrowser.js
894 ms
capslockchecker.js
894 ms
template.js
904 ms
modernizr.custom.56597.js
905 ms
ajax.js
918 ms
js
91 ms
search.js
924 ms
subscriptions.css
558 ms
packages.css
558 ms
font-awesome.min.css
80 ms
base.css
97 ms
layout.css
100 ms
menus.css
96 ms
tools.css
99 ms
system.css
105 ms
system.css
118 ms
system-all.css
177 ms
js
138 ms
check-icon.png
132 ms
thuiswinkelwaarborg.jpg
261 ms
crkbo_logo.png
654 ms
vergrootglas-security-scan-ticken.png
353 ms
bg_pict.png
117 ms
expand-menu-button.png
132 ms
award_01.png
131 ms
award_02.png
135 ms
logo-icon.png
128 ms
search_icon_new.png
155 ms
devices_400.png
261 ms
theorie-examentrainer.nl-pc-smartphone.png
261 ms
retrieve-widget.html
579 ms
light_car_inside_black_1000_489.png
147 ms
car.png
149 ms
bike.png
148 ms
motorbike.png
150 ms
traffic_car_vehicle_black_350.png
145 ms
harley_davidson_459593_350.png
149 ms
scooters_1050_400.png
294 ms
616.woff
198 ms
opensans-semibold-webfont.woff
263 ms
icon-font.ttf
199 ms
OpenSans-Light-webfont.woff
144 ms
auto-course-ico.png
143 ms
scooter-course-ico.png
143 ms
motor-course-ico.png
143 ms
bird-icon-fp.png
210 ms
button_1_lq_alt.png
141 ms
theorie-examentrainer.nl-bestseller.png
152 ms
f_icon.png
157 ms
analytics.js
37 ms
opensans-regular-webfont.woff
125 ms
fontawesome-webfont.woff
64 ms
collect
42 ms
thuiswinkel-widget.css
95 ms
kiyoh-widget.js
186 ms
tw_waarborg_logo_1.png
261 ms
tw_waarborg_logo_2.png
269 ms
tw_rating_150.png
175 ms
tet.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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 IDs are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
tet.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
tet.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tet.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 Tet.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.
tet.nl
Open Graph description is not detected on the main page of Tet. 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: