10.5 sec in total
1.1 sec
8.7 sec
670 ms
Welcome to theoriesnelhalen.nl homepage info - get ready to check Theorie Snel Halen best content for Netherlands right away, or after learning these important things about theoriesnelhalen.nl
Leer je theorie in 1 dag op locatie of onbeperkt via onze app. Ervaren docenten en bewezen lesmethoden. Meld je aan of download de app.
Visit theoriesnelhalen.nlWe analyzed Theoriesnelhalen.nl page load time and found that the first response time was 1.1 sec and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
theoriesnelhalen.nl performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value11.0 s
0/100
25%
Value7.9 s
22/100
10%
Value1,030 ms
26/100
30%
Value0.459
19/100
15%
Value13.5 s
11/100
10%
1108 ms
1188 ms
320 ms
314 ms
319 ms
Our browser made a total of 108 requests to load all elements on the main page. We found that 72% of them (78 requests) were addressed to the original Theoriesnelhalen.nl, 12% (13 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Theoriesnelhalen.nl.
Page size can be reduced by 1.6 MB (32%)
5.1 MB
3.5 MB
In fact, the total size of Theoriesnelhalen.nl main page is 5.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.2 MB which makes up the majority of the site volume.
Potential reduce by 85.8 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 30.9 kB, which is 31% 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 85.8 kB or 86% of the original size.
Potential reduce by 169.2 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. Theorie Snel Halen images are well optimized though.
Potential reduce by 730.9 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 730.9 kB or 68% of the original size.
Potential reduce by 636.7 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. Theoriesnelhalen.nl needs all CSS files to be minified and compressed as it can save up to 636.7 kB or 85% of the original size.
Number of requests can be reduced by 44 (49%)
90
46
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theorie Snel Halen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
theoriesnelhalen.nl
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theoriesnelhalen.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
Heading elements are not in a sequentially-descending order
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
theoriesnelhalen.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
theoriesnelhalen.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
N/A
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Theoriesnelhalen.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Dutch. Our system also found out that Theoriesnelhalen.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.
theoriesnelhalen.nl
Open Graph description is not detected on the main page of Theorie Snel Halen. 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: