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climatecolab.org screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

climatecolab.org

Climate CoLab

Page Load Speed

1.7 sec in total

First Response

50 ms

Resources Loaded

1.5 sec

Page Rendered

105 ms

climatecolab.org screenshot

About Website

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Key Findings

We analyzed Climatecolab.org page load time and found that the first response time was 50 ms and then it took 1.6 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

climatecolab.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.205

60/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

climatecolab.org

50 ms

climatecolab.org

262 ms

oth6dtk.css

82 ms

main-ca4e6ee11f2e78923bc997c37b4a57c9.css

291 ms

pa-581356d2a2291ebc638212ff.js

452 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 61% of them (25 requests) were addressed to the original Climatecolab.org, 7% (3 requests) were made to Use.typekit.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (485 ms) belongs to the original domain Climatecolab.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 409.6 kB (67%)

Content Size

613.6 kB

After Optimization

203.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Climatecolab.org main page is 613.6 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. 20% of websites need less resources to load. Javascripts take 267.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 19.0 kB

  • Original 27.6 kB
  • After minification 27.3 kB
  • After compression 8.6 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 19.0 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 58.5 kB
  • After minification 58.5 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. Climate Co Lab images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 173.3 kB

  • Original 267.9 kB
  • After minification 265.4 kB
  • After compression 94.6 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 173.3 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 217.3 kB

  • Original 259.5 kB
  • After minification 259.4 kB
  • After compression 42.2 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. Climatecolab.org needs all CSS files to be minified and compressed as it can save up to 217.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (70%)

Requests Now

37

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Climate Co Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

climatecolab.org

climatecolab.org

50 ms

climatecolab.org

climatecolab.org

262 ms

oth6dtk.css

oth6dtk.css

82 ms

main-ca4e6ee11f2e78923bc997c37b4a57c9.css

main-ca4e6ee11f2e78923bc997c37b4a57c9.css

291 ms

pa-581356d2a2291ebc638212ff.js

pa-581356d2a2291ebc638212ff.js

452 ms

analytics.js

analytics.js

51 ms

2f91c89f14f347e895fbce51fce18e00.min.js

2f91c89f14f347e895fbce51fce18e00.min.js

44 ms

jquery.min-4f252523d4af0b478c810c2547a63e19.js

jquery.min-4f252523d4af0b478c810c2547a63e19.js

162 ms

tooltipster.bundle.min-b15ef24270546e5fe896d3ea387ea134.css

tooltipster.bundle.min-b15ef24270546e5fe896d3ea387ea134.css

142 ms

tooltipster.bundle.min-272d2c7ee21618ff3f173d8d2a08249e.js

tooltipster.bundle.min-272d2c7ee21618ff3f173d8d2a08249e.js

147 ms

jquery.noty.packaged.min-70f2d4b358ab8769e01903c6dbfe90d0.js

jquery.noty.packaged.min-70f2d4b358ab8769e01903c6dbfe90d0.js

166 ms

enhancedLinkHandler-20925ed2e71e090dd41b263e0f406eb1.js

enhancedLinkHandler-20925ed2e71e090dd41b263e0f406eb1.js

143 ms

popper.min-70d3fda195602fe8b75e0097eed74dde.js

popper.min-70d3fda195602fe8b75e0097eed74dde.js

223 ms

bootstrap.min-14d449eb8876fa55e1ef3c2cc52b0c17.js

bootstrap.min-14d449eb8876fa55e1ef3c2cc52b0c17.js

227 ms

js.cookie-8ff1c89f24a8ca6f91f77389a0b70449.js

js.cookie-8ff1c89f24a8ca6f91f77389a0b70449.js

189 ms

jquery-ui.min.js

jquery-ui.min.js

52 ms

jquery-ui.min.css

jquery-ui.min.css

67 ms

initScript-a838b6debd56fa535fa10c0084c9e7cf.js

initScript-a838b6debd56fa535fa10c0084c9e7cf.js

250 ms

p.css

p.css

32 ms

collect

collect

122 ms

mit-cci.png

mit-cci.png

116 ms

climateColab-logo.png

climateColab-logo.png

316 ms

mit-themed.png

mit-themed.png

304 ms

facebook.svg

facebook.svg

313 ms

twitter.svg

twitter.svg

314 ms

linkedin.svg

linkedin.svg

311 ms

google.svg

google.svg

305 ms

youtube.svg

youtube.svg

485 ms

cc-by-nc-sa.svg

cc-by-nc-sa.svg

462 ms

background.png

background.png

455 ms

d

d

66 ms

d

d

70 ms

2

2

417 ms

3

3

401 ms

browser-update-374d3a35616b0b476255c24dc58873f6.js

browser-update-374d3a35616b0b476255c24dc58873f6.js

438 ms

js

js

65 ms

bundle.min.js

bundle.min.js

15 ms

widgets.js

widgets.js

277 ms

browser-update.css

browser-update.css

82 ms

update.min.js

update.min.js

31 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

159 ms

Accessibility Review

climatecolab.org accessibility score

88

Accessibility Issues

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

Best Practices

climatecolab.org 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

High

Page has valid source maps

SEO Factors

climatecolab.org SEO score

82

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

High

Image elements do not have [alt] attributes

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 Climatecolab.org 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 Climatecolab.org 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

climatecolab.org

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