Access preventionweb.net. PreventionWeb.net: the knowledge platform for disaster risk reduction

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.144

77/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

www.preventionweb.net

565 ms

css_uYZVLCS3-cBRFV6VlDfPj4NWLzakgjUDpGGU-qwDhxc.css

381 ms

css_OVZLXpVLZ0PlMiKuxr3h9JqCI9jPRKiS__HT2sWZZAk.css

477 ms

logo-preventionweb.svg

313 ms

js_bGShumBRzDUO2C7nLbmBKKm8lnz7hdLdC-lQjboSe_s.js

669 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 94% of them (46 requests) were addressed to the original Preventionweb.net, 4% (2 requests) were made to If-cdn.com and 2% (1 request) were made to Undrr.org. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Preventionweb.net.

Content Size

4.7 MB

After Optimization

4.1 MB

In fact, the total size of Preventionweb.net main page is 4.7 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. 30% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 58.8 kB

Original 75.2 kB
After minification 68.4 kB
After compression 16.5 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 58.8 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 521.6 kB

Original 4.5 MB
After minification 3.9 MB

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, Prevention Web needs image optimization as it can save up to 521.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-31%

Potential reduce by 34.3 kB

Original 110.1 kB
After minification 110.1 kB
After compression 75.9 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 34.3 kB or 31% of the original size.

CSS Optimization

-14%

Potential reduce by 8.7 kB

Original 62.0 kB
After minification 62.0 kB
After compression 53.2 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. Preventionweb.net needs all CSS files to be minified and compressed as it can save up to 8.7 kB or 14% of the original size.

Requests Now

After Optimization

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prevention Web. According to our analytics all requests are already optimized.