Tools & Wizards About Us
archives.biodiv.be screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

archives.biodiv.be

Convention on Biological Diversity - Belgian Clearing House Mechanism

Page Load Speed

2.2 sec in total

First Response

353 ms

Resources Loaded

1.7 sec

Page Rendered

125 ms

archives.biodiv.be screenshot

About Website

Welcome to archives.biodiv.be homepage info - get ready to check Archives Biodiv best content for Pakistan right away, or after learning these important things about archives.biodiv.be

The Convention on Biological Diversity (CBD) is an international agreement established by the United Nations. Its aim is to preserve biological diversity around the world. Belgium became a CBD member ...

Visit archives.biodiv.be

Key Findings

We analyzed Archives.biodiv.be page load time and found that the first response time was 353 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

archives.biodiv.be performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

archives.biodiv.be

353 ms

www.archives.biodiv.be

497 ms

slideshow.css

93 ms

jquery-ui.css

181 ms

common.css

188 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 76% of them (35 requests) were addressed to the original Archives.biodiv.be, 9% (4 requests) were made to Google-analytics.com and 7% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (497 ms) belongs to the original domain Archives.biodiv.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.0 kB (17%)

Content Size

680.9 kB

After Optimization

567.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Archives.biodiv.be main page is 680.9 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. 45% of websites need less resources to load. Images take 480.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 24.9 kB

  • Original 30.5 kB
  • After minification 23.4 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 23% 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 24.9 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 79.1 kB

  • Original 480.5 kB
  • After minification 401.4 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, Archives Biodiv needs image optimization as it can save up to 79.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 6.5 kB

  • Original 154.8 kB
  • After minification 154.8 kB
  • After compression 148.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 3.5 kB

  • Original 15.1 kB
  • After minification 15.1 kB
  • After compression 11.6 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. Archives.biodiv.be needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (39%)

Requests Now

44

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Archives Biodiv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

archives.biodiv.be

archives.biodiv.be

353 ms

www.archives.biodiv.be

www.archives.biodiv.be

497 ms

slideshow.css

slideshow.css

93 ms

jquery-ui.css

jquery-ui.css

181 ms

common.css

common.css

188 ms

additional_style_css

additional_style_css

186 ms

style.css

style.css

183 ms

jquery.js

jquery.js

270 ms

jquery-ui.js

jquery-ui.js

362 ms

jquery.form.js

jquery.form.js

279 ms

i18n_js

i18n_js

280 ms

utils.js

utils.js

279 ms

scroll.js

scroll.js

279 ms

chm3-common.js

chm3-common.js

392 ms

js

js

62 ms

jquery.easing.js

jquery.easing.js

401 ms

slideshow.js

slideshow.js

360 ms

analytics.js

analytics.js

63 ms

info.png

info.png

111 ms

left_logo.gif

left_logo.gif

109 ms

load-indicator.gif

load-indicator.gif

109 ms

header_autumnSwan

header_autumnSwan

177 ms

header_coreanChipmunk

header_coreanChipmunk

264 ms

header_springBirdie

header_springBirdie

108 ms

header_springBlossom

header_springBlossom

267 ms

header_springCherrytree

header_springCherrytree

355 ms

header_springMuscari

header_springMuscari

267 ms

Cartagena.gif-1

Cartagena.gif-1

185 ms

Nagoya.gif

Nagoya.gif

267 ms

1001en.png

1001en.png

362 ms

button-left-menu-lightgreen.jpg

button-left-menu-lightgreen.jpg

356 ms

cover-stratbiodiv2014-en.jpg

cover-stratbiodiv2014-en.jpg

445 ms

view

view

357 ms

xml.png

xml.png

356 ms

logo_CBD-int

logo_CBD-int

444 ms

logo_CHM-be

logo_CHM-be

445 ms

logo_RBINS

logo_RBINS

447 ms

js

js

46 ms

analytics.js

analytics.js

37 ms

collect

collect

45 ms

collect

collect

42 ms

collect

collect

33 ms

js

js

52 ms

collect

collect

41 ms

ga-audiences

ga-audiences

88 ms

ga-audiences

ga-audiences

74 ms

Accessibility Review

archives.biodiv.be accessibility score

57

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

archives.biodiv.be best practices score

75

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

SEO Factors

archives.biodiv.be SEO score

54

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

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Archives.biodiv.be 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 Archives.biodiv.be 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

archives.biodiv.be

Open Graph description is not detected on the main page of Archives Biodiv. 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: