Access 4science.it. HOME

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

4science.it

401 ms

4science.it

547 ms

frontend.css

177 ms

styles.css

280 ms

front.min.css

293 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 53% of them (45 requests) were addressed to the original 4science.it, 35% (30 requests) were made to Fonts.gstatic.com and 8% (7 requests) were made to 4science.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source 4science.com.

Content Size

2.4 MB

After Optimization

1.3 MB

In fact, the total size of 4science.it main page is 2.4 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. 60% of websites need less resources to load. Javascripts take 891.2 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 405.1 kB

Original 452.1 kB
After minification 446.8 kB
After compression 46.9 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 405.1 kB or 90% of the original size.

Image Optimization

-5%

Potential reduce by 38.5 kB

Original 832.3 kB
After minification 793.8 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. 4Science images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 486.9 kB

Original 891.2 kB
After minification 885.4 kB
After compression 404.4 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 486.9 kB or 55% of the original size.

CSS Optimization

-87%

Potential reduce by 228.3 kB

Original 262.4 kB
After minification 249.6 kB
After compression 34.1 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. 4science.it needs all CSS files to be minified and compressed as it can save up to 228.3 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.