Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

hro.nl

Hogeschool Rotterdam - Maak de toekomst met een van onze opleidingen - Hogeschool Rotterdam

Page Load Speed

7.2 sec in total

First Response

1.7 sec

Resources Loaded

5 sec

Page Rendered

380 ms

hro.nl screenshot

About Website

Welcome to hro.nl homepage info - get ready to check Hro best content for Netherlands right away, or after learning these important things about hro.nl

Hogeschool Rotterdam biedt ruim 80 bacheloropleidingen en Associate-degreeprogramma's aan. Het aanbod bestaat verder uit contractonderwijs, post-hbo en masteropleidingen. Hogeschool Rotterdam is een k...

Visit hro.nl

Key Findings

We analyzed Hro.nl page load time and found that the first response time was 1.7 sec and then it took 5.4 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

hro.nl performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

www.hogeschoolrotterdam.nl

1728 ms

style.css

282 ms

all.js

58 ms

home.css

292 ms

global.js

573 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hro.nl, 25% (8 requests) were made to Hogeschoolrotterdam.nl and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Images.hogeschoolrotterdam.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.8 kB (15%)

Content Size

906.1 kB

After Optimization

771.3 kB

In fact, the total size of Hro.nl main page is 906.1 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. 45% of websites need less resources to load. Javascripts take 465.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 74.2 kB

  • Original 92.5 kB
  • After minification 69.5 kB
  • After compression 18.4 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 23.0 kB, which is 25% 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 74.2 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 26.4 kB

  • Original 301.7 kB
  • After minification 275.3 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. Hro images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 19.6 kB

  • Original 465.0 kB
  • After minification 465.0 kB
  • After compression 445.5 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.

CSS Optimization

-31%

Potential reduce by 14.6 kB

  • Original 46.8 kB
  • After minification 46.8 kB
  • After compression 32.2 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. Hro.nl needs all CSS files to be minified and compressed as it can save up to 14.6 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (73%)

Requests Now

30

After Optimization

8

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hro.nl accessibility score

89

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

hro.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

hro.nl SEO score

98

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hro.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 Hro.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 data is detected on the main page of Hro. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: