Tools & Wizards About Us
online-studeren.net screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

online-studeren.net

Online Studeren - verdiep, verbreed en versnel jouw opleiding

Page Load Speed

1.5 sec in total

First Response

295 ms

Resources Loaded

1.2 sec

Page Rendered

77 ms

online-studeren.net screenshot

About Website

Welcome to online-studeren.net homepage info - get ready to check Online Studeren best content for Netherlands right away, or after learning these important things about online-studeren.net

Online Studeren helpt studenten bij het trainen van kennis op zowel boek- als tentamenniveau. Samenvattingen, nieuws en projectinformatie helpt jouw!

Visit online-studeren.net

Key Findings

We analyzed Online-studeren.net page load time and found that the first response time was 295 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

online-studeren.net performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

online-studeren.net

295 ms

online-studeren-header.png

492 ms

impression

199 ms

analytics.js

23 ms

studieboeken_141108_728x90.jpg

173 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 18% of them (2 requests) were addressed to the original Online-studeren.net, 18% (2 requests) were made to Partnerprogramma.bol.com and 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (551 ms) relates to the external source A1.awin1.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.6 kB (20%)

Content Size

238.5 kB

After Optimization

190.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Online-studeren.net main page is 238.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 213.1 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 2.5 kB

  • Original 4.3 kB
  • After minification 4.2 kB
  • After compression 1.8 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. 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 2.5 kB or 58% of the original size.

Image Optimization

-21%

Potential reduce by 45.0 kB

  • Original 213.1 kB
  • After minification 168.1 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, Online Studeren needs image optimization as it can save up to 45.0 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • AJAX
  • Images
  • JavaScript

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Studeren. According to our analytics all requests are already optimized.

Network Requests Diagram

online-studeren.net

online-studeren.net

295 ms

online-studeren-header.png

online-studeren-header.png

492 ms

impression

impression

199 ms

analytics.js

analytics.js

23 ms

studieboeken_141108_728x90.jpg

studieboeken_141108_728x90.jpg

173 ms

collect

collect

13 ms

js

js

64 ms

studieboeken_141108_728x90.jpg

studieboeken_141108_728x90.jpg

466 ms

impression

impression

354 ms

imgkpn_viaplay_fallback_970-250-1646232264825.png

imgkpn_viaplay_fallback_970-250-1646232264825.png

551 ms

impression

impression

137 ms

Accessibility Review

online-studeren.net accessibility score

57

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

online-studeren.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

online-studeren.net SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Online-studeren.net 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 Online-studeren.net main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

online-studeren.net

Open Graph description is not detected on the main page of Online Studeren. 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: