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carbonfutures.co.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

carbonfutures.co.uk

Carbon Futures | Independent Energy & Sustainability Consultancy

Page Load Speed

11.3 sec in total

First Response

234 ms

Resources Loaded

9.6 sec

Page Rendered

1.5 sec

carbonfutures.co.uk screenshot

About Website

Welcome to carbonfutures.co.uk homepage info - get ready to check Carbon Futures best content right away, or after learning these important things about carbonfutures.co.uk

We are a team of energy and sustainability consultants operating throughout the UK tackling the Climate Emergency.

Visit carbonfutures.co.uk

Key Findings

We analyzed Carbonfutures.co.uk page load time and found that the first response time was 234 ms and then it took 11.1 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

carbonfutures.co.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value4,040 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

carbonfutures.co.uk

234 ms

www.carbonfutures.co.uk

367 ms

jquery-3.3.1.min.js

160 ms

7531cae995.js

79 ms

css

68 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 68% of them (28 requests) were addressed to the original Carbonfutures.co.uk, 7% (3 requests) were made to Unpkg.com and 5% (2 requests) were made to Api.tiles.mapbox.com. The less responsive or slowest element that took the longest time to load (8.6 sec) belongs to the original domain Carbonfutures.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 184.9 kB (2%)

Content Size

10.4 MB

After Optimization

10.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Carbonfutures.co.uk main page is 10.4 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. 45% of websites need less resources to load. Images take 10.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 52.7 kB

  • Original 60.8 kB
  • After minification 46.3 kB
  • After compression 8.1 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 14.5 kB, which is 24% 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 52.7 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 128.4 kB

  • Original 10.1 MB
  • After minification 10.0 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. Carbon Futures images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.4 kB

  • Original 226.7 kB
  • After minification 226.7 kB
  • After compression 224.4 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

-7%

Potential reduce by 1.5 kB

  • Original 22.7 kB
  • After minification 22.7 kB
  • After compression 21.2 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. Carbonfutures.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (39%)

Requests Now

36

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carbon Futures. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

carbonfutures.co.uk

carbonfutures.co.uk

234 ms

www.carbonfutures.co.uk

www.carbonfutures.co.uk

367 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

160 ms

7531cae995.js

7531cae995.js

79 ms

css

css

68 ms

swiper-bundle.min.css

swiper-bundle.min.css

57 ms

master.min.css

master.min.css

320 ms

mapbox-gl.css

mapbox-gl.css

57 ms

mapbox-gl.js

mapbox-gl.js

64 ms

leaflet-mapbox-gl.js

leaflet-mapbox-gl.js

76 ms

cookie-consent.js

cookie-consent.js

79 ms

js

js

128 ms

gsap.min.js

gsap.min.js

63 ms

ScrollTrigger.min.js

ScrollTrigger.min.js

75 ms

anijs-min.js

anijs-min.js

55 ms

cdn.min.js

cdn.min.js

89 ms

plugins.min.js

plugins.min.js

256 ms

app.min.js

app.min.js

514 ms

leaflet-mapbox-gl.js

leaflet-mapbox-gl.js

25 ms

logo-black.png

logo-black.png

139 ms

icon-arrow-white.svg

icon-arrow-white.svg

136 ms

4097.jpg

4097.jpg

563 ms

4263.jpg

4263.jpg

2112 ms

4347.jpg

4347.jpg

6595 ms

4369.jpg

4369.jpg

3396 ms

4253.jpg

4253.jpg

8574 ms

4156.jpg

4156.jpg

782 ms

4198.jpg

4198.jpg

1217 ms

hero-logo.png

hero-logo.png

859 ms

arrow-left.png

arrow-left.png

936 ms

arrow-right.png

arrow-right.png

1013 ms

4262.jpg

4262.jpg

4220 ms

4241.jpg

4241.jpg

8345 ms

4177.jpeg

4177.jpeg

3888 ms

4171.jpg

4171.jpg

3822 ms

4362.jpg

4362.jpg

5058 ms

4311.jpg

4311.jpg

5155 ms

footer-logo.png

footer-logo.png

4297 ms

4323.png

4323.png

4355 ms

GraphikRegular.otf

GraphikRegular.otf

4446 ms

GraphikMedium.otf

GraphikMedium.otf

4700 ms

Accessibility Review

carbonfutures.co.uk accessibility score

89

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

carbonfutures.co.uk 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

High

Page has valid source maps

SEO Factors

carbonfutures.co.uk SEO score

92

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

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

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 Carbonfutures.co.uk 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 Carbonfutures.co.uk 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

carbonfutures.co.uk

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