Tools & Wizards About Us
drenthecollege.nl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 0

    Best Practices

  • 92

    SEO

    Google-friendlier than
    74% of websites

drenthecollege.nl

mbo in Assen, Emmen & Meppel | Drenthe College | Drenthe College

Page Load Speed

5.5 sec in total

First Response

297 ms

Resources Loaded

4.8 sec

Page Rendered

375 ms

drenthecollege.nl screenshot

About Website

Click here to check amazing Drenthe College content for Netherlands. Otherwise, check out these important facts you probably never knew about drenthecollege.nl

Mbo onderwijs voor de regio's Assen, Emmen en Meppel in Drenthe. Drenthe College biedt voltijd en deeltijd opleidingen, cursussen, om- en bijscholing aan.

Visit drenthecollege.nl

Key Findings

We analyzed Drenthecollege.nl page load time and found that the first response time was 297 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

drenthecollege.nl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,420 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

drenthecollege.nl

297 ms

www.drenthecollege.nl

1763 ms

10043209-10044526.js

291 ms

default.min.css

1055 ms

theme.min.css

1377 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 55% of them (28 requests) were addressed to the original Drenthecollege.nl, 8% (4 requests) were made to Googletagmanager.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Drenthecollege.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 679.1 kB (36%)

Content Size

1.9 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drenthecollege.nl main page is 1.9 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. 55% of websites need less resources to load. Images take 804.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 167.2 kB

  • Original 199.2 kB
  • After minification 153.7 kB
  • After compression 32.0 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 45.5 kB, which is 23% 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 167.2 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 1.4 kB

  • Original 804.3 kB
  • After minification 802.9 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. Drenthe College images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 187.6 kB

  • Original 494.9 kB
  • After minification 489.1 kB
  • After compression 307.3 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 187.6 kB or 38% of the original size.

CSS Optimization

-83%

Potential reduce by 323.0 kB

  • Original 387.8 kB
  • After minification 385.8 kB
  • After compression 64.8 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. Drenthecollege.nl needs all CSS files to be minified and compressed as it can save up to 323.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (64%)

Requests Now

42

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Drenthe 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 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

drenthecollege.nl

drenthecollege.nl

297 ms

www.drenthecollege.nl

www.drenthecollege.nl

1763 ms

10043209-10044526.js

10043209-10044526.js

291 ms

default.min.css

default.min.css

1055 ms

theme.min.css

theme.min.css

1377 ms

cookieconsent.min.css

cookieconsent.min.css

407 ms

outside_script.js

outside_script.js

923 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

379 ms

jquery.browser.js

jquery.browser.js

96 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

569 ms

slick.min.js

slick.min.js

494 ms

aos.js

aos.js

407 ms

site.js

site.js

406 ms

js

js

47 ms

osano.js

osano.js

387 ms

jquery.validate.min.js

jquery.validate.min.js

480 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

502 ms

aos.css

aos.css

97 ms

slick.css

slick.css

99 ms

talk.js

talk.js

51 ms

vraagteken.svg

vraagteken.svg

153 ms

dc_015_230607__tp_4085-2-split.png

dc_015_230607__tp_4085-2-split.png

1841 ms

beroepskeuzetest.png

beroepskeuzetest.png

645 ms

cicero_7.jpg

cicero_7.jpg

152 ms

dc-tech-van-schaikweg-98-emmen.jpg

dc-tech-van-schaikweg-98-emmen.jpg

151 ms

nieuwbouw-dc-2014-056.jpg

nieuwbouw-dc-2014-056.jpg

152 ms

gtm.js

gtm.js

144 ms

ArialMtStd.woff

ArialMtStd.woff

228 ms

ArialMtStd-Light.woff

ArialMtStd-Light.woff

338 ms

ArialMtStd-ExtraBold.woff

ArialMtStd-ExtraBold.woff

227 ms

ArialMtStd-Bold.woff

ArialMtStd-Bold.woff

228 ms

ArialMtStd-Black.woff

ArialMtStd-Black.woff

328 ms

maxresdefault.jpg

maxresdefault.jpg

113 ms

dc-icon.ttf

dc-icon.ttf

307 ms

icofont.woff

icofont.woff

1806 ms

js

js

87 ms

analytics.js

analytics.js

83 ms

hotjar-2164365.js

hotjar-2164365.js

198 ms

destination

destination

125 ms

iframe_api

iframe_api

196 ms

5tufny1bz9

5tufny1bz9

218 ms

kip2u8q09j

kip2u8q09j

232 ms

collect

collect

78 ms

collect

collect

48 ms

www-widgetapi.js

www-widgetapi.js

17 ms

modules.404c8789d11e259a4872.js

modules.404c8789d11e259a4872.js

27 ms

clarity.js

clarity.js

42 ms

ga-audiences

ga-audiences

113 ms

collect

collect

34 ms

landing

landing

81 ms

c.gif

c.gif

7 ms

Accessibility Review

drenthecollege.nl accessibility score

80

Accessibility Issues

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

High

ARIA IDs are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

SEO Factors

drenthecollege.nl SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drenthecollege.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Drenthecollege.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.

Social Sharing Optimization

drenthecollege.nl

Open Graph description is not detected on the main page of Drenthe 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: