Access ibo.nl. IBO Business School overgenomen door TSM | TSM Business School

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%

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.

Content Size

405.9 kB

After Optimization

336.1 kB

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 Now

After Optimization

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.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

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

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: