Tools & Wizards About Us
ibo.nl screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

ibo.nl

IBO Business School overgenomen door TSM | TSM Business School - TSM Business School

Page Load Speed

2 sec in total

First Response

494 ms

Resources Loaded

1.3 sec

Page Rendered

233 ms

ibo.nl screenshot

About Website

Welcome to ibo.nl homepage info - get ready to check IBO best content right away, or after learning these important things about ibo.nl

IBO Business School overgenomen door TSM. Omdat er veel overeenkomsten zijn tussen de opleidingen en doelgroepen van TSM en IBO, is besloten om de programma’s van IBO op te laten gaan in die van TSM B...

Visit ibo.nl

Key Findings

We analyzed Ibo.nl page load time and found that the first response time was 494 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ibo.nl performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

ibo.nl

494 ms

211 ms

tsm.min.css

50 ms

app.min.js

84 ms

analytics.js

16 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Ibo.nl, 71% (17 requests) were made to Tsm.nl and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (494 ms) belongs to the original domain Ibo.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.8 kB (17%)

Content Size

405.9 kB

After Optimization

336.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ibo.nl main page is 405.9 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. 60% of websites need less resources to load. Images take 289.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 69.7 kB

  • Original 95.2 kB
  • After minification 78.5 kB
  • After compression 25.5 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 16.7 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 69.7 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 289.7 kB
  • After minification 289.7 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. IBO images are well optimized though.

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

14

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IBO. According to our analytics all requests are already optimized.

Network Requests Diagram

ibo.nl

ibo.nl

494 ms

211 ms

tsm.min.css

tsm.min.css

50 ms

app.min.js

app.min.js

84 ms

analytics.js

analytics.js

16 ms

gtm.js

gtm.js

128 ms

flag-en.svg

flag-en.svg

106 ms

Heiligenbergerweg-5-Leusden-14-1600x900.jpg

Heiligenbergerweg-5-Leusden-14-1600x900.jpg

110 ms

ibo-logo-129x300.png

ibo-logo-129x300.png

151 ms

Group-18.svg

Group-18.svg

132 ms

logo-nvao.svg

logo-nvao.svg

207 ms

logo.svg

logo.svg

155 ms

SourceSansPro-Regular.woff

SourceSansPro-Regular.woff

133 ms

SourceSansPro-SemiBold.woff

SourceSansPro-SemiBold.woff

157 ms

collect

collect

37 ms

fa-brands-400.woff

fa-brands-400.woff

55 ms

fa-light-300.woff

fa-light-300.woff

107 ms

fa-solid-900.woff

fa-solid-900.woff

141 ms

Bitter-Bold.woff

Bitter-Bold.woff

140 ms

Bitter-SemiBold.woff

Bitter-SemiBold.woff

140 ms

Bitter-Medium.woff

Bitter-Medium.woff

138 ms

collect

collect

36 ms

bounce

bounce

93 ms

ga-audiences

ga-audiences

130 ms

Accessibility Review

ibo.nl accessibility score

62

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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.

Best Practices

ibo.nl best practices score

92

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

SEO Factors

ibo.nl SEO score

91

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

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 Ibo.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 Ibo.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

ibo.nl

Open Graph data is detected on the main page of IBO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: