Access 4developers.org.pl. 4Developers – Interdyscyplinarny festiwal technologiczny dla programistów w Polsce!

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value15.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.283

43/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

4developers.org.pl

1989 ms

4developers.org.pl

1094 ms

js

61 ms

js

55 ms

4developers.org.pl

782 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 74% of them (64 requests) were addressed to the original 4developers.org.pl, 6% (5 requests) were made to Salesmanago.pl and 5% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain 4developers.org.pl.

Content Size

233.8 kB

After Optimization

118.8 kB

In fact, the total size of 4developers.org.pl main page is 233.8 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. HTML takes 124.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 102.0 kB

Original 124.8 kB
After minification 116.8 kB
After compression 22.8 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 102.0 kB or 82% of the original size.

Image Optimization

-47%

Potential reduce by 6.1 kB

Original 13.1 kB
After minification 7.0 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, 4Developers needs image optimization as it can save up to 6.1 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 6.1 kB

Original 91.8 kB
After minification 91.8 kB
After compression 85.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-18%

Potential reduce by 746 B

Original 4.0 kB
After minification 4.0 kB
After compression 3.3 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. 4developers.org.pl needs all CSS files to be minified and compressed as it can save up to 746 B or 18% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4Developers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.