Access wwww.w3schools.com. W3Schools Online Web Tutorials

wwww.w3schools.com

193 ms

www.w3schools.com

61 ms

w3.css

27 ms

w3codecolors.js

69 ms

element.js

35 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Wwww.w3schools.com, 33% (9 requests) were made to Google.com and 19% (5 requests) were made to W3schools.com. The less responsive or slowest element that took the longest time to load (193 ms) belongs to the original domain Wwww.w3schools.com.

Content Size

268.7 kB

After Optimization

193.1 kB

In fact, the total size of Wwww.w3schools.com main page is 268.7 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. 30% of websites need less resources to load. Javascripts take 170.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 32.5 kB

Original 42.1 kB
After minification 41.1 kB
After compression 9.6 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 32.5 kB or 77% of the original size.

Image Optimization

-8%

Potential reduce by 1.2 kB

Original 15.5 kB
After minification 14.2 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. Wwww W3Schools images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 12.2 kB

Original 170.6 kB
After minification 165.9 kB
After compression 158.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-73%

Potential reduce by 29.7 kB

Original 40.5 kB
After minification 36.7 kB
After compression 10.8 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. Wwww.w3schools.com needs all CSS files to be minified and compressed as it can save up to 29.7 kB or 73% of the original size.

Requests Now

After Optimization

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wwww W3Schools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.