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.
alfa-college.nl
374 ms
Default.aspx
96 ms
default.aspx
1181 ms
AlfaWebsiteCore.css
195 ms
jquery-1.4.2.js
194 ms
jquery.tools.min.js
196 ms
jquery_querystring-2.1.7.js
190 ms
jquery.metadata.js
199 ms
jquery.validate.js
270 ms
jquery-ui-1.8.6.custom.min.js
282 ms
AlfaWebsite.js
285 ms
cufon-yui.js
284 ms
Sansa.js
286 ms
infoRequestForm.js
300 ms
signupFormRequestForm.js
373 ms
AlfaCustom_frontpage.css
373 ms
ga-asynch-auto-tagging.js
371 ms
jquery_querystring-2.1.7.js
276 ms
jquery-1.4.2.js
721 ms
alfawebsitecore.css
210 ms
jquery.tools.min.js
701 ms
jquery.metadata.js
270 ms
jquery.validate.js
462 ms
jquery-ui-1.8.6.custom.min.js
396 ms
cufon-yui.js
363 ms
alfawebsite.js
277 ms
sansa.js
460 ms
inforequestform.js
437 ms
ga-asynch-auto-tagging.js
398 ms
signupformrequestform.js
450 ms
alfacustom_frontpage.css
457 ms
AlfaBase.css
438 ms
AlfaNav.css
461 ms
AlfaLayout.css
513 ms
AlfaDesign.css
519 ms
AlfaContent.css
528 ms
alfabase.css
119 ms
alfanav.css
125 ms
alfalayout.css
95 ms
alfadesign.css
95 ms
alfacontent.css
97 ms
ReadSpeaker.js
119 ms
fbevents.js
36 ms
ga.js
35 ms
opleidingenadvies.png
102 ms
bg-search-field.png
99 ms
icon-search-blue.png
101 ms
alfa-logo-2015.png
97 ms
V2-twitter.png
96 ms
V2-facebook.png
97 ms
V2-youtube.png
187 ms
V2-linkedin.png
182 ms
home.png
187 ms
menu-button.png
186 ms
menu-button-bedrijven-en-instellingen.png
189 ms
menu-button-contact.png
190 ms
arrow-back.png
270 ms
ALFA098_WEB_banner_SKMBO-Noord_Carousselweb_v2.jpg
283 ms
ALCO073_WEB_Banner-Blogpromotie.png
281 ms
TIC-Banner-690x245px.jpg
281 ms
ALCO069_WEB_Carrousel_Tevredenmedewerker.jpg
284 ms
Keuzegids%20mbo-topopleidingen.jpg
285 ms
arrow-forward.png
358 ms
regiomagazines-web-homepage.JPG
372 ms
V2-banner-apply.png
369 ms
V2-Educationsearch-titletext.png
373 ms
V2-Educationsearch-Students-Selected.png
374 ms
V2-Educationsearch-Parents-Default.png
376 ms
V2-Educationsearch-Company-Default.png
447 ms
dropdown.jpg
460 ms
search-icon.png
461 ms
AlfaUitblinker2015_web.jpg
466 ms
Studiekeuzetest_228x153.jpg
465 ms
Banner226x160_DitisMBOnl.jpg
469 ms
icon-flag-gb.gif
534 ms
29 ms
__utm.gif
16 ms
collect
52 ms
ReadSpeaker.Styles.css
115 ms
ReadSpeaker.Core.js
233 ms
ReadSpeaker.pub.Config.js
108 ms
alco073_web_banner-blogpromotie.png
468 ms
tic-banner-690x245px.jpg
400 ms
alfa098_web_banner_skmbo-noord_carousselweb_v2.jpg
500 ms
alco069_web_carrousel_tevredenmedewerker.jpg
576 ms
keuzegids%20mbo-topopleidingen.jpg
524 ms
ReadSpeaker.lib.Facade.adapter.jquery.js
238 ms
regiomagazines-web-homepage.jpg
360 ms
studiekeuzetest_228x153.jpg
319 ms
alfauitblinker2015_web.jpg
364 ms
banner226x160_ditismbonl.jpg
383 ms
ReadSpeaker.Common.Settings.js
98 ms
ReadSpeaker.PlayerAPI.js
206 ms
ReadSpeaker.HL.js
84 ms
ReadSpeaker.ui.js
102 ms
ReadSpeaker.enlargeHL.js
99 ms
ReadSpeaker.enlargeHL.css
101 ms
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.
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: