Tools & Wizards About Us
climatelondon.org screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

climatelondon.org

London Climate Ready Partnership London Climate Ready Partnership

Page Load Speed

7.8 sec in total

First Response

304 ms

Resources Loaded

7.4 sec

Page Rendered

171 ms

climatelondon.org screenshot

About Website

Click here to check amazing Climate London content. Otherwise, check out these important facts you probably never knew about climatelondon.org

LCRP is the centre for expertise on resilience to extreme weather and adaptation to climate change in London.

Visit climatelondon.org

Key Findings

We analyzed Climatelondon.org page load time and found that the first response time was 304 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

climatelondon.org performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.832

4/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

climatelondon.org

304 ms

climatelondon.org

5455 ms

bootstrap.min.css

123 ms

style.css

243 ms

font-awesome.min.css

309 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 60% of them (38 requests) were addressed to the original Climatelondon.org, 17% (11 requests) were made to Platform.twitter.com and 5% (3 requests) were made to Linkedin.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Climatelondon.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.4 kB (8%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Climatelondon.org main page is 1.1 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. 60% of websites need less resources to load. Images take 561.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 34.5 kB

  • Original 45.4 kB
  • After minification 44.2 kB
  • After compression 11.0 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 34.5 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 3.3 kB

  • Original 561.3 kB
  • After minification 558.0 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. Climate London images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 410.7 kB
  • After minification 410.7 kB
  • After compression 409.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-48%

Potential reduce by 44.6 kB

  • Original 93.3 kB
  • After minification 51.0 kB
  • After compression 48.6 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. Climatelondon.org needs all CSS files to be minified and compressed as it can save up to 44.6 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (67%)

Requests Now

60

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Climate London. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

climatelondon.org

climatelondon.org

304 ms

climatelondon.org

climatelondon.org

5455 ms

bootstrap.min.css

bootstrap.min.css

123 ms

style.css

style.css

243 ms

font-awesome.min.css

font-awesome.min.css

309 ms

jquery.js

jquery.js

31 ms

bootstrap.min.js

bootstrap.min.js

331 ms

style.min.css

style.min.css

364 ms

extendify-utilities.css

extendify-utilities.css

369 ms

form-basic.css

form-basic.css

367 ms

pagenavi-css.css

pagenavi-css.css

370 ms

styles.css

styles.css

409 ms

wpp.css

wpp.css

410 ms

css

css

37 ms

front.min.css

front.min.css

411 ms

jquery.min.js

jquery.min.js

595 ms

jquery-migrate.min.js

jquery-migrate.min.js

472 ms

wpp.min.js

wpp.min.js

475 ms

style.css

style.css

508 ms

flexslider.css

flexslider.css

509 ms

public.css

public.css

511 ms

scripts.js

scripts.js

589 ms

front.min.js

front.min.js

592 ms

wp-embed.min.js

wp-embed.min.js

642 ms

scripts.js

scripts.js

643 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

644 ms

in.js

in.js

366 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

395 ms

analytics.js

analytics.js

102 ms

header_bg.png

header_bg.png

134 ms

search_new.png

search_new.png

134 ms

search_panel.png

search_panel.png

132 ms

lccp_logo_2.png

lccp_logo_2.png

132 ms

tb-snow31-1920x600.jpg

tb-snow31-1920x600.jpg

513 ms

cta_bg.gif

cta_bg.gif

211 ms

wstn-cropped2new-1578x493.jpg

wstn-cropped2new-1578x493.jpg

615 ms

Canary-Wharf_1-720x225.jpg

Canary-Wharf_1-720x225.jpg

310 ms

London-Urban-Heat-Island-310x214-310x96.jpg

London-Urban-Heat-Island-310x214-310x96.jpg

354 ms

projects@x2.jpg

projects@x2.jpg

246 ms

publications@x2.jpg

publications@x2.jpg

446 ms

partners@x2.jpg

partners@x2.jpg

359 ms

widgets.js

widgets.js

106 ms

collect

collect

26 ms

bg_direction_nav.png

bg_direction_nav.png

283 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

24 ms

js

js

65 ms

settings

settings

108 ms

FollowCompany.js

FollowCompany.js

205 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

3 ms

ClimateLondon

ClimateLondon

84 ms

polyfills-3b821eda8863adcc4a4b.js

polyfills-3b821eda8863adcc4a4b.js

4 ms

runtime-a697c5a1ae32bd7e4d42.js

runtime-a697c5a1ae32bd7e4d42.js

5 ms

modules.20f98d7498a59035a762.js

modules.20f98d7498a59035a762.js

10 ms

main-fd9ef5eb169057cda26d.js

main-fd9ef5eb169057cda26d.js

7 ms

_app-88bf420a57d49e33be53.js

_app-88bf420a57d49e33be53.js

6 ms

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

8 ms

_buildManifest.js

_buildManifest.js

8 ms

_ssgManifest.js

_ssgManifest.js

10 ms

FollowCompany

FollowCompany

1 ms

FollowCompany

FollowCompany

99 ms

91dmvaccu78h9j1hd1i4yubj0

91dmvaccu78h9j1hd1i4yubj0

20 ms

in.js

in.js

393 ms

cwphtfsvdwm4k6n91alllgs6q

cwphtfsvdwm4k6n91alllgs6q

35 ms

Accessibility Review

climatelondon.org accessibility score

86

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

climatelondon.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

climatelondon.org SEO score

91

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

    N/A

  • Encoding

    UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Climatelondon.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Climatelondon.org main page’s claimed encoding is utf8. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

climatelondon.org

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