Tools & Wizards About Us
celtic-renewables.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

celtic-renewables.com

Innovative low carbon biochemical production - Celtic Renewables

Page Load Speed

2.6 sec in total

First Response

274 ms

Resources Loaded

2 sec

Page Rendered

401 ms

celtic-renewables.com screenshot

About Website

Welcome to celtic-renewables.com homepage info - get ready to check Celtic Renewables best content right away, or after learning these important things about celtic-renewables.com

Celtic Renewables convert low value biological material to valuable biofuels and renewable chemicals. Reclaiming whisky residues.

Visit celtic-renewables.com

Key Findings

We analyzed Celtic-renewables.com page load time and found that the first response time was 274 ms and then it took 2.4 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

celtic-renewables.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value5.9 s

49/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.267

46/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

celtic-renewables.com

274 ms

www.celtic-renewables.com

243 ms

www.celtic-renewables.com

525 ms

jquery.min.js

86 ms

frontend.js

670 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Celtic-renewables.com and no external sources were called. The less responsive or slowest element that took the longest time to load (908 ms) belongs to the original domain Celtic-renewables.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.9 kB (13%)

Content Size

2.4 MB

After Optimization

2.1 MB

  • HTML
  • JavaScript

In fact, the total size of Celtic-renewables.com main page is 2.4 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. 25% of websites need less resources to load. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 256.5 kB

  • Original 310.3 kB
  • After minification 305.6 kB
  • After compression 53.8 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 256.5 kB or 83% of the original size.

JavaScript Optimization

-2%

Potential reduce by 46.5 kB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 2.0 MB

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.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

  • Images
  • JavaScript

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celtic Renewables. According to our analytics all requests are already optimized.

Network Requests Diagram

celtic-renewables.com

celtic-renewables.com

274 ms

www.celtic-renewables.com

www.celtic-renewables.com

243 ms

www.celtic-renewables.com

www.celtic-renewables.com

525 ms

jquery.min.js

jquery.min.js

86 ms

frontend.js

frontend.js

670 ms

20231124_Celtic-Renewables_041_websize-1-scaled.jpg.webp

20231124_Celtic-Renewables_041_websize-1-scaled.jpg.webp

703 ms

1e1065fc0fd920b5ae6c.svg

1e1065fc0fd920b5ae6c.svg

402 ms

20231205_Celtic_Renewables_068-1024x683.jpg.webp

20231205_Celtic_Renewables_068-1024x683.jpg.webp

558 ms

da0924d5ed1a371ebff5.svg

da0924d5ed1a371ebff5.svg

404 ms

20231205_Celtic_Renewables_077-1-1024x683.jpg.webp

20231205_Celtic_Renewables_077-1-1024x683.jpg.webp

482 ms

b308f1b47abed60b01ee.svg

b308f1b47abed60b01ee.svg

591 ms

20231205_Celtic_Renewables_025-1024x683.jpg.webp

20231205_Celtic_Renewables_025-1024x683.jpg.webp

683 ms

0c3f1955e609f5b6b87b.svg

0c3f1955e609f5b6b87b.svg

594 ms

20231205_Celtic_Renewables_044-3-1-1024x683.jpg.webp

20231205_Celtic_Renewables_044-3-1-1024x683.jpg.webp

648 ms

Celtic-Renewables-Green-chemicals-1024x683.jpg.webp

Celtic-Renewables-Green-chemicals-1024x683.jpg.webp

759 ms

Biorefinery-Caledon-Green-2-1-1024x769.jpg.webp

Biorefinery-Caledon-Green-2-1-1024x769.jpg.webp

759 ms

chemical-120x120.jpg.webp

chemical-120x120.jpg.webp

729 ms

Royal-Society-120x120.jpg.webp

Royal-Society-120x120.jpg.webp

749 ms

images-2-120x120.png.webp

images-2-120x120.png.webp

758 ms

f228180446b94924990113833f83a216-120x88.jpg.webp

f228180446b94924990113833f83a216-120x88.jpg.webp

786 ms

RSB-LogoNew-02-120x56.png.webp

RSB-LogoNew-02-120x56.png.webp

811 ms

ISCC-120x72.png.webp

ISCC-120x72.png.webp

832 ms

IBIOIC_LOGO_RGB@4x-120x39.png.webp

IBIOIC_LOGO_RGB@4x-120x39.png.webp

841 ms

ediburgh-napier-uni-logo-rgb-120x44.jpg.webp

ediburgh-napier-uni-logo-rgb-120x44.jpg.webp

850 ms

work-with-us-1024x682.jpg.webp

work-with-us-1024x682.jpg.webp

908 ms

Celtic-Renewables-green-chemicals-2-1024x683.jpg.webp

Celtic-Renewables-green-chemicals-2-1024x683.jpg.webp

861 ms

white-logo.svg

white-logo.svg

883 ms

Accessibility Review

celtic-renewables.com accessibility score

84

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

Image elements do not have [alt] attributes

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

Best Practices

celtic-renewables.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

celtic-renewables.com SEO score

86

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

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 Celtic-renewables.com 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 Celtic-renewables.com 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

celtic-renewables.com

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