Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rotterdambusinessschool.nl

Rotterdam Business School: about - Rotterdam University of Applied Sciences

Page Load Speed

5.5 sec in total

First Response

355 ms

Resources Loaded

4.8 sec

Page Rendered

410 ms

rotterdambusinessschool.nl screenshot

About Website

Welcome to rotterdambusinessschool.nl homepage info - get ready to check Rotterdam Business School best content right away, or after learning these important things about rotterdambusinessschool.nl

Visit rotterdambusinessschool.nl

Key Findings

We analyzed Rotterdambusinessschool.nl page load time and found that the first response time was 355 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 70% of websites can load faster.

Performance Metrics

rotterdambusinessschool.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

59/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

rotterdambusinessschool.nl

355 ms

493 ms

css

57 ms

style.css

466 ms

js

40 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rotterdambusinessschool.nl, 31% (19 requests) were made to Maps.google.com and 16% (10 requests) were made to Rotterdamuas.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Images.hogeschoolrotterdam.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 749.2 kB (39%)

Content Size

1.9 MB

After Optimization

1.2 MB

In fact, the total size of Rotterdambusinessschool.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. 45% of websites need less resources to load. Images take 903.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 52.8 kB

  • Original 63.5 kB
  • After minification 51.9 kB
  • After compression 10.8 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 11.6 kB, which is 18% 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 52.8 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 18.3 kB

  • Original 903.5 kB
  • After minification 885.2 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. Rotterdam Business School images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 497.8 kB

  • Original 753.8 kB
  • After minification 753.8 kB
  • After compression 256.0 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 497.8 kB or 66% of the original size.

CSS Optimization

-89%

Potential reduce by 180.3 kB

  • Original 203.0 kB
  • After minification 152.4 kB
  • After compression 22.7 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. Rotterdambusinessschool.nl needs all CSS files to be minified and compressed as it can save up to 180.3 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (40%)

Requests Now

50

After Optimization

30

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rotterdam Business School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rotterdambusinessschool.nl accessibility score

98

Accessibility Issues

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

rotterdambusinessschool.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

rotterdambusinessschool.nl SEO score

79

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rotterdambusinessschool.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Rotterdambusinessschool.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

Open Graph description is not detected on the main page of Rotterdam Business School. 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: