Tools & Wizards About Us
staroil.co.uk screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

staroil.co.uk

Crown Oil Ltd - Nationwide Fuels & Lubricants Supplier

Page Load Speed

3 sec in total

First Response

409 ms

Resources Loaded

1.7 sec

Page Rendered

926 ms

staroil.co.uk screenshot

About Website

Click here to check amazing Star Oil content. Otherwise, check out these important facts you probably never knew about staroil.co.uk

Crown Oil is a leading supplier of HVO fuel, DERV & industrial lubricants. Delivering all fuels, oils & lubricants nationally, with competitive prices

Visit staroil.co.uk

Key Findings

We analyzed Staroil.co.uk page load time and found that the first response time was 409 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

staroil.co.uk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

www.crownoil.co.uk

409 ms

gtm.js

79 ms

css2

52 ms

app.css

136 ms

front-page.css

203 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Staroil.co.uk, 16% (7 requests) were made to Cdn.crownoil.co.uk and 7% (3 requests) were made to Tree-nation.com. The less responsive or slowest element that took the longest time to load (645 ms) relates to the external source Crownoil.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 499.6 kB (24%)

Content Size

2.0 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Staroil.co.uk main page is 2.0 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 63.2 kB

  • Original 81.6 kB
  • After minification 81.6 kB
  • After compression 18.3 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 63.2 kB or 78% of the original size.

Image Optimization

-22%

Potential reduce by 436.2 kB

  • Original 2.0 MB
  • After minification 1.5 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. Obviously, Star Oil needs image optimization as it can save up to 436.2 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 162 B

  • Original 396 B
  • After minification 396 B
  • After compression 234 B

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 162 B or 41% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Star Oil. According to our analytics all requests are already optimized.

Network Requests Diagram

www.crownoil.co.uk

www.crownoil.co.uk

409 ms

gtm.js

gtm.js

79 ms

css2

css2

52 ms

app.css

app.css

136 ms

front-page.css

front-page.css

203 ms

google-reviews-april-2024.png

google-reviews-april-2024.png

41 ms

carbon-neutral.webp

carbon-neutral.webp

342 ms

logo.jpg

logo.jpg

340 ms

scene11-320.jpg

scene11-320.jpg

234 ms

truck1-300.png

truck1-300.png

365 ms

truck15-300.png

truck15-300.png

366 ms

truck4-300.png

truck4-300.png

434 ms

truck3-300.png

truck3-300.png

336 ms

truck2-300.png

truck2-300.png

406 ms

hvo-fuel-circle-leaf.png

hvo-fuel-circle-leaf.png

284 ms

Crown-Oil-old-tanker.jpg

Crown-Oil-old-tanker.jpg

413 ms

Paper-Mill.jpg

Paper-Mill.jpg

486 ms

crown-oil-renewable-fuels-supplier.jpg

crown-oil-renewable-fuels-supplier.jpg

377 ms

Tanker-green-road.jpg

Tanker-green-road.jpg

445 ms

label-co2-website-white-en.png

label-co2-website-white-en.png

64 ms

track.js

track.js

71 ms

Fleet-3.jpg

Fleet-3.jpg

58 ms

HVO-Tanker-back.jpg

HVO-Tanker-back.jpg

57 ms

Account-Management.jpg

Account-Management.jpg

55 ms

HVO-tanker.jpg

HVO-tanker.jpg

54 ms

co2-savings.png

co2-savings.png

479 ms

CS-History-NG-01.png

CS-History-NG-01.png

511 ms

crown-enviro.png

crown-enviro.png

440 ms

beesley-fuels.svg

beesley-fuels.svg

475 ms

speedy-fuels.svg

speedy-fuels.svg

508 ms

crown-oil-sustainability.png

crown-oil-sustainability.png

509 ms

carbon-neutral-2023.webp

carbon-neutral-2023.webp

543 ms

zemo-partnership.png

zemo-partnership.png

548 ms

rfas-co.jpg

rfas-co.jpg

548 ms

iscc.jpg

iscc.jpg

576 ms

ccss.png

ccss.png

577 ms

oftec.png

oftec.png

578 ms

uvdb.png

uvdb.png

611 ms

ukifda-new.jpg

ukifda-new.jpg

615 ms

bsi.webp

bsi.webp

616 ms

ukifda-winner.jpg

ukifda-winner.jpg

644 ms

business-champion-award.png

business-champion-award.png

645 ms

64a413d526be2

64a413d526be2

317 ms

history-bg.jpg

history-bg.jpg

5 ms

Accessibility Review

staroil.co.uk accessibility score

92

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

staroil.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

staroil.co.uk SEO score

79

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

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

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 Staroil.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 Staroil.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

staroil.co.uk

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