4.7 sec in total
367 ms
4.1 sec
313 ms
Click here to check amazing Theorie Examentrainer content. Otherwise, check out these important facts you probably never knew about theorie-examentrainer.nl
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Visit theorie-examentrainer.nlWe analyzed Theorie-examentrainer.nl page load time and found that the first response time was 367 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
theorie-examentrainer.nl performance score
name
value
score
weighting
Value10.3 s
0/100
10%
Value12.9 s
0/100
25%
Value15.6 s
0/100
10%
Value2,890 ms
3/100
30%
Value0.001
100/100
15%
Value15.9 s
6/100
10%
367 ms
1273 ms
76 ms
103 ms
375 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Theorie-examentrainer.nl, 84% (74 requests) were made to Tet.nl and 7% (6 requests) were made to Kiyoh.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Tet.nl.
Page size can be reduced by 820.8 kB (60%)
1.4 MB
542.4 kB
In fact, the total size of Theorie-examentrainer.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, Theorie Examentrainer 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. Theorie-examentrainer.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 Theorie Examentrainer. 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.
theorie-examentrainer.nl
367 ms
tet.nl
1273 ms
gtm.js
76 ms
modal.css
103 ms
bootstrap.css
375 ms
mootools-core.js
426 ms
core.js
266 ms
mootools-more.js
711 ms
modal.js
271 ms
jquery.min.js
504 ms
jquery-noconflict.js
351 ms
jquery-migrate.min.js
359 ms
bootstrap.min.js
524 ms
keepalive.js
448 ms
base.css
459 ms
layout.css
504 ms
menus.css
533 ms
tools.css
551 ms
system.css
588 ms
extensions.css
588 ms
custom.css
603 ms
tet.css
800 ms
selectbox.css
629 ms
arial.css
657 ms
arial.css
667 ms
style.css
674 ms
warp.js
731 ms
responsive.js
742 ms
accordionmenu.js
757 ms
dropdownmenu.js
759 ms
detectmobilebrowser.js
776 ms
capslockchecker.js
813 ms
template.js
826 ms
modernizr.custom.56597.js
848 ms
ajax.js
844 ms
js
76 ms
search.js
863 ms
subscriptions.css
463 ms
packages.css
473 ms
font-awesome.min.css
23 ms
base.css
145 ms
layout.css
178 ms
menus.css
183 ms
tools.css
202 ms
system.css
210 ms
system.css
224 ms
system-all.css
234 ms
js
97 ms
check-icon.png
129 ms
thuiswinkelwaarborg.jpg
175 ms
crkbo_logo.png
638 ms
vergrootglas-security-scan-ticken.png
259 ms
bg_pict.png
128 ms
expand-menu-button.png
129 ms
award_01.png
128 ms
award_02.png
128 ms
logo-icon.png
129 ms
search_icon_new.png
128 ms
devices_400.png
188 ms
theorie-examentrainer.nl-pc-smartphone.png
185 ms
retrieve-widget.html
613 ms
light_car_inside_black_1000_489.png
152 ms
car.png
152 ms
bike.png
153 ms
motorbike.png
150 ms
traffic_car_vehicle_black_350.png
228 ms
harley_davidson_459593_350.png
229 ms
scooters_1050_400.png
328 ms
616.woff
220 ms
opensans-semibold-webfont.woff
216 ms
icon-font.ttf
221 ms
auto-course-ico.png
184 ms
scooter-course-ico.png
200 ms
motor-course-ico.png
253 ms
bird-icon-fp.png
256 ms
button_1_lq_alt.png
257 ms
theorie-examentrainer.nl-bestseller.png
345 ms
OpenSans-Light-webfont.woff
263 ms
f_icon.png
243 ms
analytics.js
17 ms
opensans-regular-webfont.woff
217 ms
fontawesome-webfont.woff
13 ms
collect
15 ms
thuiswinkel-widget.css
98 ms
kiyoh-widget.js
197 ms
tw_waarborg_logo_1.png
267 ms
tw_waarborg_logo_2.png
273 ms
tw_rating_150.png
176 ms
theorie-examentrainer.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
theorie-examentrainer.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
theorie-examentrainer.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 Theorie-examentrainer.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 Theorie-examentrainer.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.
theorie-examentrainer.nl
Open Graph description is not detected on the main page of Theorie Examentrainer. 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: