Tools & Wizards About Us
preventionweb.net screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

preventionweb.net

PreventionWeb.net: the knowledge platform for disaster risk reduction

Page Load Speed

3 sec in total

First Response

302 ms

Resources Loaded

2.5 sec

Page Rendered

195 ms

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 302 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

preventionweb.net performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value2,430 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

preventionweb.net

302 ms

164 ms

f5a1d61e-8421-43db-82ac-6053b84c9bc4.js

83 ms

default.css

101 ms

redesign.css

201 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 88% of them (63 requests) were addressed to the original Preventionweb.net, 4% (3 requests) were made to Cdnjs.cloudflare.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (857 ms) belongs to the original domain Preventionweb.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.6 kB (33%)

Content Size

778.0 kB

After Optimization

520.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Preventionweb.net main page is 778.0 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. 35% of websites need less resources to load. Images take 430.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 21.6 kB

  • Original 28.8 kB
  • After minification 25.0 kB
  • After compression 7.2 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.6 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 13.0 kB

  • Original 430.0 kB
  • After minification 417.0 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. Prevention Web images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 175.9 kB

  • Original 260.1 kB
  • After minification 246.1 kB
  • After compression 84.3 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 175.9 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 47.2 kB

  • Original 59.0 kB
  • After minification 54.8 kB
  • After compression 11.9 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 47.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (68%)

Requests Now

69

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prevention Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

preventionweb.net

preventionweb.net

302 ms

164 ms

f5a1d61e-8421-43db-82ac-6053b84c9bc4.js

f5a1d61e-8421-43db-82ac-6053b84c9bc4.js

83 ms

default.css

default.css

101 ms

redesign.css

redesign.css

201 ms

expertmodule.css

expertmodule.css

198 ms

scripting.js

scripting.js

204 ms

mustache.0.7.3.js

mustache.0.7.3.js

296 ms

api.js

api.js

212 ms

jquery.min.js

jquery.min.js

5 ms

flexslider-min.css

flexslider-min.css

13 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

8 ms

banner-campaign-cities.png

banner-campaign-cities.png

13 ms

ribbon.png

ribbon.png

146 ms

icon-grid-menu.png

icon-grid-menu.png

142 ms

redesign-logo.png

redesign-logo.png

146 ms

search-button.png

search-button.png

144 ms

nav-separator.png

nav-separator.png

144 ms

background-home.png

background-home.png

280 ms

48018_largeImage.jpg

48018_largeImage.jpg

494 ms

isdr_logos.gif

isdr_logos.gif

203 ms

sp.gif

sp.gif

202 ms

gar15-rating.png

gar15-rating.png

309 ms

pixel-grey.gif

pixel-grey.gif

107 ms

bg_white_head01.gif

bg_white_head01.gif

204 ms

bg_white_head02.gif

bg_white_head02.gif

205 ms

bg_white_foot01.gif

bg_white_foot01.gif

205 ms

bg_white_foot02.gif

bg_white_foot02.gif

280 ms

bg_grey_all.gif

bg_grey_all.gif

302 ms

bg_grey_head01.gif

bg_grey_head01.gif

302 ms

bg_grey_head02.gif

bg_grey_head02.gif

303 ms

bg_grey_pipe.gif

bg_grey_pipe.gif

309 ms

bullet-arrow.gif

bullet-arrow.gif

376 ms

bg_grey_foot01.gif

bg_grey_foot01.gif

398 ms

bg_grey_foot02.gif

bg_grey_foot02.gif

399 ms

bg_white_foot03.gif

bg_white_foot03.gif

399 ms

bg_white_foot04.gif

bg_white_foot04.gif

698 ms

bg_tools_add.gif

bg_tools_add.gif

474 ms

bg_rss.gif

bg_rss.gif

491 ms

a_rss.gif

a_rss.gif

495 ms

a_email.gif

a_email.gif

496 ms

a_twitter.gif

a_twitter.gif

496 ms

bg_grey_head05.gif

bg_grey_head05.gif

570 ms

bg_grey_head06.gif

bg_grey_head06.gif

589 ms

bg_blue_head01.gif

bg_blue_head01.gif

591 ms

bg_blue_head02.gif

bg_blue_head02.gif

592 ms

arw05.gif

arw05.gif

592 ms

bg_blue_foot01.gif

bg_blue_foot01.gif

667 ms

ga.js

ga.js

30 ms

bg_blue_pipe.gif

bg_blue_pipe.gif

649 ms

bg_blue_foot02.gif

bg_blue_foot02.gif

650 ms

bg_blue_all.gif

bg_blue_all.gif

652 ms

y_tl.gif

y_tl.gif

652 ms

y_tr.gif

y_tr.gif

725 ms

output.json

output.json

760 ms

inpage_linkid.js

inpage_linkid.js

12 ms

__utm.gif

__utm.gif

12 ms

home_promo

home_promo

740 ms

y_bl.gif

y_bl.gif

690 ms

collect

collect

58 ms

y_br.gif

y_br.gif

618 ms

wcdrr-2015-bar.png

wcdrr-2015-bar.png

667 ms

home-banner-learn-more.png

home-banner-learn-more.png

689 ms

home-banner-read-blog.png

home-banner-read-blog.png

788 ms

home-banner-take-poll.png

home-banner-take-poll.png

801 ms

home-banner-read-newsletter.png

home-banner-read-newsletter.png

857 ms

home-banner-expert-sign-up.png

home-banner-expert-sign-up.png

844 ms

bkg-expert-header.png

bkg-expert-header.png

145 ms

background-signup.png

background-signup.png

168 ms

photo47713934b.png

photo47713934b.png

514 ms

bkg-expert-module.png

bkg-expert-module.png

438 ms

print.css

print.css

101 ms

Accessibility Review

preventionweb.net accessibility score

87

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] 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

preventionweb.net SEO score

78

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 description is not detected on the main page of Prevention Web. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: