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ntcc-bb.blackboard.com

134 ms

shared.css

53 ms

theme.css

64 ms

colorpalette.css

72 ms

brand.css

77 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 94% of them (45 requests) were addressed to the original Ntcc-bb.blackboard.com, 2% (1 request) were made to Youtube.com and 2% (1 request) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (193 ms) belongs to the original domain Ntcc-bb.blackboard.com.

Content Size

1.2 MB

After Optimization

257.5 kB

In fact, the total size of Ntcc-bb.blackboard.com main page is 1.2 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. Javascripts take 744.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 37.1 kB

Original 48.4 kB
After minification 47.7 kB
After compression 11.4 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. 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 37.1 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 994 B

Original 45.5 kB
After minification 44.5 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. Ntcc Bb Blackboard images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 610.2 kB

Original 744.2 kB
After minification 481.8 kB
After compression 134.1 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 610.2 kB or 82% of the original size.

CSS Optimization

-81%

Potential reduce by 285.8 kB

Original 353.3 kB
After minification 319.6 kB
After compression 67.5 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. Ntcc-bb.blackboard.com needs all CSS files to be minified and compressed as it can save up to 285.8 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ntcc Bb Blackboard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.