Tools & Wizards About Us
dieselcaps.co.uk screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% 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

  • 93

    SEO

    Google-friendlier than
    83% of websites

dieselcaps.co.uk

Buy Replacement Diesel Cap, Anti-Theft Locking Diesel Fuel Caps, Diesel Fuel Tank Cap, UK, Fuel Cap Company, 07952 384324

Page Load Speed

2.5 sec in total

First Response

269 ms

Resources Loaded

1.9 sec

Page Rendered

384 ms

dieselcaps.co.uk screenshot

About Website

Welcome to dieselcaps.co.uk homepage info - get ready to check Diesel Caps best content right away, or after learning these important things about dieselcaps.co.uk

All Diesel fuel caps in stock and supplied with a Free Lifetime Replacement Guarantee. Price includes UK delivery. 07952 384324.

Visit dieselcaps.co.uk

Key Findings

We analyzed Dieselcaps.co.uk page load time and found that the first response time was 269 ms and then it took 2.2 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

dieselcaps.co.uk performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

dieselcaps.co.uk

269 ms

dieselcaps.co.uk

330 ms

www.dieselcaps.co.uk

669 ms

css

36 ms

css

51 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 76% of them (29 requests) were addressed to the original Dieselcaps.co.uk, 5% (2 requests) were made to Fonts.googleapis.com and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (669 ms) belongs to the original domain Dieselcaps.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 199.2 kB (24%)

Content Size

832.2 kB

After Optimization

633.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dieselcaps.co.uk main page is 832.2 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. 45% of websites need less resources to load. Images take 566.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 40.1 kB

  • Original 52.0 kB
  • After minification 48.2 kB
  • After compression 11.8 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 40.1 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 27.2 kB

  • Original 566.3 kB
  • After minification 539.1 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. Diesel Caps images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 77.2 kB

  • Original 145.5 kB
  • After minification 145.2 kB
  • After compression 68.3 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 77.2 kB or 53% of the original size.

CSS Optimization

-80%

Potential reduce by 54.7 kB

  • Original 68.4 kB
  • After minification 61.3 kB
  • After compression 13.7 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. Dieselcaps.co.uk needs all CSS files to be minified and compressed as it can save up to 54.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (38%)

Requests Now

34

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diesel Caps. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dieselcaps.co.uk

dieselcaps.co.uk

269 ms

dieselcaps.co.uk

dieselcaps.co.uk

330 ms

www.dieselcaps.co.uk

www.dieselcaps.co.uk

669 ms

css

css

36 ms

css

css

51 ms

normalize.min.css

normalize.min.css

229 ms

main.css

main.css

308 ms

site-icons.css

site-icons.css

232 ms

font-awesome.min.css

font-awesome.min.css

311 ms

js

js

83 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

259 ms

jquery.mobile-menu.min.js

jquery.mobile-menu.min.js

157 ms

hints.js

hints.js

161 ms

cookieconsent.min.js

cookieconsent.min.js

313 ms

gtm.js

gtm.js

93 ms

the-fuel-cap-company-logotype.png

the-fuel-cap-company-logotype.png

99 ms

fuel-cap-company-shropshire-@2x.jpg

fuel-cap-company-shropshire-@2x.jpg

99 ms

bg-sand.png

bg-sand.png

99 ms

buy-replacement-petrol-cap-uk-@2x.jpg

buy-replacement-petrol-cap-uk-@2x.jpg

231 ms

adblue-locking-filler-neck-cap-fuelcapcompany.jpg

adblue-locking-filler-neck-cap-fuelcapcompany.jpg

142 ms

steel-alloy-aluminium-filler-necks-@2x.jpg

steel-alloy-aluminium-filler-necks-@2x.jpg

156 ms

fuel-cap-lifetime-replacement-guarantee.png

fuel-cap-lifetime-replacement-guarantee.png

155 ms

bulk-order-fuel-caps-uk.jpg

bulk-order-fuel-caps-uk.jpg

156 ms

fuel-cap-company-here-to-help.jpg

fuel-cap-company-here-to-help.jpg

274 ms

DC095.jpg

DC095.jpg

205 ms

DC100.jpg

DC100.jpg

234 ms

DC684.jpg

DC684.jpg

233 ms

DC687.jpg

DC687.jpg

234 ms

DC352.jpg

DC352.jpg

282 ms

DC269.jpg

DC269.jpg

308 ms

DC179.jpg

DC179.jpg

310 ms

fuel-cap-company-founder-mark-smart.png

fuel-cap-company-founder-mark-smart.png

309 ms

font

font

20 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

307 ms

font

font

32 ms

insert.js

insert.js

66 ms

widget-assets

widget-assets

104 ms

insert-main-2f061e4e0a08a8741f286282ac407194.js

insert-main-2f061e4e0a08a8741f286282ac407194.js

32 ms

Accessibility Review

dieselcaps.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

dieselcaps.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dieselcaps.co.uk SEO score

93

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dieselcaps.co.uk 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 Dieselcaps.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

dieselcaps.co.uk

Open Graph description is not detected on the main page of Diesel Caps. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: