Access blackboard.hszuyd.nl.

blackboard.hszuyd.nl

780 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Blackboard.hszuyd.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (780 ms) belongs to the original domain Blackboard.hszuyd.nl.

Content Size

2.3 MB

After Optimization

368.6 kB

In fact, the total size of Blackboard.hszuyd.nl main page is 2.3 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-43%

Potential reduce by 239 B

Original 555 B
After minification 555 B
After compression 316 B

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 239 B or 43% of the original size.

Image Optimization

-21%

Potential reduce by 2.1 kB

Original 10.2 kB
After minification 8.0 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, Blackboard Hszuyd needs image optimization as it can save up to 2.1 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

-85%

Potential reduce by 1.6 MB

Original 1.9 MB
After minification 1.2 MB
After compression 288.3 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 1.6 MB or 85% of the original size.

CSS Optimization

-80%

Potential reduce by 295.9 kB

Original 367.9 kB
After minification 342.8 kB
After compression 72.0 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. Blackboard.hszuyd.nl needs all CSS files to be minified and compressed as it can save up to 295.9 kB or 80% of the original size.