Access cst.com. CST Studio Suite | SIMULIA

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.379

27/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

cst.com

222 ms

cst.com

288 ms

169 ms

cst-studio-suite

368 ms

full-scoped.min.css

35 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Cst.com, 91% (29 requests) were made to 3ds.com and 3% (1 request) were made to Tracking.3ds.com. The less responsive or slowest element that took the longest time to load (368 ms) relates to the external source 3ds.com.

Content Size

717.1 kB

After Optimization

289.6 kB

In fact, the total size of Cst.com main page is 717.1 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. 65% of websites need less resources to load. Javascripts take 422.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 213.0 kB

Original 261.6 kB
After minification 260.6 kB
After compression 48.6 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 213.0 kB or 81% of the original size.

Image Optimization

-36%

Potential reduce by 3.0 kB

Original 8.6 kB
After minification 5.5 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. Obviously, CST needs image optimization as it can save up to 3.0 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 211.2 kB

Original 422.2 kB
After minification 422.0 kB
After compression 211.0 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 211.2 kB or 50% of the original size.

CSS Optimization

-1%

Potential reduce by 213 B

Original 24.7 kB
After minification 24.7 kB
After compression 24.5 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. Cst.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.