Tools & Wizards About Us
preventionweb.net screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

preventionweb.net

PreventionWeb.net: the knowledge platform for disaster risk reduction

Page Load Speed

15 sec in total

First Response

565 ms

Resources Loaded

6.4 sec

Page Rendered

8.1 sec

preventionweb.net screenshot

About Website

Visit preventionweb.net now to see the best up-to-date Prevention Web content for India and also check out these interesting facts you probably never knew about preventionweb.net

The site offers a range of knowledge products and services to facilitate the work of disaster risk reduction (DRR) professionals and is managed by the UN Office for Disaster Risk Reduction (UNDRR).

Visit preventionweb.net

Key Findings

We analyzed Preventionweb.net page load time and found that the first response time was 565 ms and then it took 14.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

preventionweb.net performance score

50

Measured Metrics

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%

Network Requests Diagram

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 623.3 kB (13%)

Content Size

4.7 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

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 Breakdown

We found no issues to fix!

Requests Now

40

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

www.preventionweb.net

www.preventionweb.net

565 ms

css_uYZVLCS3-cBRFV6VlDfPj4NWLzakgjUDpGGU-qwDhxc.css

css_uYZVLCS3-cBRFV6VlDfPj4NWLzakgjUDpGGU-qwDhxc.css

381 ms

css_OVZLXpVLZ0PlMiKuxr3h9JqCI9jPRKiS__HT2sWZZAk.css

css_OVZLXpVLZ0PlMiKuxr3h9JqCI9jPRKiS__HT2sWZZAk.css

477 ms

logo-preventionweb.svg

logo-preventionweb.svg

313 ms

js_bGShumBRzDUO2C7nLbmBKKm8lnz7hdLdC-lQjboSe_s.js

js_bGShumBRzDUO2C7nLbmBKKm8lnz7hdLdC-lQjboSe_s.js

669 ms

eu_cookie_compliance.min.js

eu_cookie_compliance.min.js

522 ms

js_OtbJp1fB42oAHSWc9FjCRxfDT3rvsIzBuDEb_Qj-Im8.js

js_OtbJp1fB42oAHSWc9FjCRxfDT3rvsIzBuDEb_Qj-Im8.js

317 ms

UNDRR%20Logo%20horizontal%20SVG.svg

UNDRR%20Logo%20horizontal%20SVG.svg

571 ms

eRzayTv

eRzayTv

98 ms

toolbar-background.png

toolbar-background.png

293 ms

Shutterstock_686896549-min.jpg

Shutterstock_686896549-min.jpg

675 ms

Hurrican%20Irma%20caribbean.jpg

Hurrican%20Irma%20caribbean.jpg

736 ms

redwood-forest-canopy-moonjazz-flickr-min.jpg

redwood-forest-canopy-moonjazz-flickr-min.jpg

843 ms

chittagong-bangladesh.png.jpg

chittagong-bangladesh.png.jpg

845 ms

shutterstock_2177179627-min.jpg

shutterstock_2177179627-min.jpg

826 ms

Image-library-books.jpg

Image-library-books.jpg

958 ms

20230210_CARIBBEAN_%C2%A9_UNDRR-A.TARDY_HD_327.jpg

20230210_CARIBBEAN_%C2%A9_UNDRR-A.TARDY_HD_327.jpg

1336 ms

Shutterstock_1793155018-min.jpg

Shutterstock_1793155018-min.jpg

1251 ms

pw-card.jpg

pw-card.jpg

1559 ms

RETNO-ATSARI_WINDRR-C-Antoine-Tardy_WEB.jpg

RETNO-ATSARI_WINDRR-C-Antoine-Tardy_WEB.jpg

1576 ms

Shutterstock_1726262500.jpg

Shutterstock_1726262500.jpg

1574 ms

video_poster.JPG.jpg

video_poster.JPG.jpg

1480 ms

shutterstock_229816309-min.jpg

shutterstock_229816309-min.jpg

1924 ms

EHI1212000-d3e63b379cbe47cfa215a144948c51bf-min.png.jpg

EHI1212000-d3e63b379cbe47cfa215a144948c51bf-min.png.jpg

2063 ms

image.jpg

image.jpg

2213 ms

20241111_2nd-UNESCO-IOC-Global-Tsunami-Symposium.png.jpg

20241111_2nd-UNESCO-IOC-Global-Tsunami-Symposium.png.jpg

2147 ms

Sendai%20Framework%20for%20Disaster%20Risk%20Reduction%202015-2030%20cover.jpg

Sendai%20Framework%20for%20Disaster%20Risk%20Reduction%202015-2030%20cover.jpg

2236 ms

Community%20in%20Asia.jpeg.jpg

Community%20in%20Asia.jpeg.jpg

2400 ms

shelf.png.jpg

shelf.png.jpg

2552 ms

Terminology%20logo_1.png.jpg

Terminology%20logo_1.png.jpg

2791 ms

GAR-Banner-min4.jpg

GAR-Banner-min4.jpg

2980 ms

mcr2030_landing-city-skyline-medlarge.jpg

mcr2030_landing-city-skyline-medlarge.jpg

2854 ms

Kobe%20Skyline_carousel%20IRP_0.jpg

Kobe%20Skyline_carousel%20IRP_0.jpg

3071 ms

windrr.22.5.001_0.jpeg.jpg

windrr.22.5.001_0.jpeg.jpg

3439 ms

shutterstock_1921678679.jpg

shutterstock_1921678679.jpg

3393 ms

Image-deforestation-no-natural-disaster-min.jpg

Image-deforestation-no-natural-disaster-min.jpg

3529 ms

Thumbnail-DRR-Voices-Blog.jpg

Thumbnail-DRR-Voices-Blog.jpg

3687 ms

world-map.png

world-map.png

3404 ms

sendai_framework.png

sendai_framework.png

3388 ms

sdg-logo-un.png

sdg-logo-un.png

3770 ms

RobotoCondensed-Regular.woff

RobotoCondensed-Regular.woff

4038 ms

RobotoCondensed-Light.woff

RobotoCondensed-Light.woff

4200 ms

RobotoCondensed-Bold.woff

RobotoCondensed-Bold.woff

3974 ms

pj

pj

16 ms

Roboto-Regular.woff

Roboto-Regular.woff

4059 ms

Roboto-Medium.woff

Roboto-Medium.woff

4163 ms

Roboto-Light.woff

Roboto-Light.woff

4113 ms

Roboto-Bold.woff

Roboto-Bold.woff

4007 ms

Roboto-Black.woff

Roboto-Black.woff

3914 ms

Accessibility Review

preventionweb.net accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

High

[role] values are not valid

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

preventionweb.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

preventionweb.net SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Preventionweb.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Preventionweb.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

preventionweb.net

Open Graph data is detected on the main page of Prevention Web. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: