Access nus.sg. NUS - National University of Singapore

nus.sg

866 ms

nus.edu.sg

1591 ms

bootstrap.css

897 ms

bootstrap.min.css

442 ms

system.css

444 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nus.sg, 92% (49 requests) were made to Nus.edu.sg and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Nus.edu.sg.

Content Size

5.1 MB

After Optimization

4.4 MB

In fact, the total size of Nus.sg main page is 5.1 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. 40% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 32.0 kB

Original 40.5 kB
After minification 36.8 kB
After compression 8.5 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. 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 32.0 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 86.4 kB

Original 4.4 MB
After minification 4.3 MB

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. NUS images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 179.4 kB

Original 269.2 kB
After minification 236.7 kB
After compression 89.7 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 179.4 kB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 369.9 kB

Original 421.9 kB
After minification 361.2 kB
After compression 52.0 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. Nus.sg needs all CSS files to be minified and compressed as it can save up to 369.9 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NUS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.