4 sec in total
374 ms
3.5 sec
167 ms
Welcome to alfa-college.nl homepage info - get ready to check Alfa College best content for Netherlands right away, or after learning these important things about alfa-college.nl
Het Alfa-college is een ROC voor Noord- en Oost-Nederland waar je terecht kunt voor een mbo-opleiding, educatief traject of een bedrijfsopleiding.
Visit alfa-college.nlWe analyzed Alfa-college.nl page load time and found that the first response time was 374 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
alfa-college.nl performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value5.2 s
23/100
25%
Value8.2 s
20/100
10%
Value1,920 ms
8/100
30%
Value0.057
98/100
15%
Value10.1 s
26/100
10%
374 ms
96 ms
1181 ms
195 ms
194 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 84% of them (81 requests) were addressed to the original Alfa-college.nl, 11% (11 requests) were made to F1.eu.readspeaker.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Alfa-college.nl.
Page size can be reduced by 755.9 kB (41%)
1.8 MB
1.1 MB
In fact, the total size of Alfa-college.nl main page is 1.8 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. 35% of websites need less resources to load. Images take 993.1 kB which makes up the majority of the site volume.
Potential reduce by 53.8 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 12.4 kB, which is 19% 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 53.8 kB or 83% of the original size.
Potential reduce by 127.9 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, Alfa College needs image optimization as it can save up to 127.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 488.1 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 488.1 kB or 72% of the original size.
Potential reduce by 86.0 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. Alfa-college.nl needs all CSS files to be minified and compressed as it can save up to 86.0 kB or 86% of the original size.
Number of requests can be reduced by 38 (58%)
65
27
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alfa College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
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alfa-college.nl accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
alfa-college.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
alfa-college.nl 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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alfa-college.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 Alfa-college.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.
{{og_description}}
alfa-college.nl
Open Graph description is not detected on the main page of Alfa College. 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: