Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

celtictuning.co.uk

ECU Remap | Chip Tuning | Engine Tuning | Economy Tuning | Diesel Tuning

Page Load Speed

10.3 sec in total

First Response

363 ms

Resources Loaded

9.3 sec

Page Rendered

624 ms

celtictuning.co.uk screenshot

About Website

Welcome to celtictuning.co.uk homepage info - get ready to check Celtic Tuning best content for United Kingdom right away, or after learning these important things about celtictuning.co.uk

Pioneers in ECU Remapping, Diesel Tuning, Economy Tuning, Engine Tuning and Chip Tuning. Worldwide dealer network with the best performance gains in the industry.

Visit celtictuning.co.uk

Key Findings

We analyzed Celtictuning.co.uk page load time and found that the first response time was 363 ms and then it took 9.9 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

celtictuning.co.uk performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

celtictuning.co.uk

363 ms

www.celtictuning.co.uk

1842 ms

bootstrap.css

364 ms

template.css

451 ms

style.css

276 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 81% of them (70 requests) were addressed to the original Celtictuning.co.uk, 5% (4 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Celtictuning.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (27%)

Content Size

5.7 MB

After Optimization

4.2 MB

In fact, the total size of Celtictuning.co.uk main page is 5.7 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. 55% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 100.6 kB

  • Original 181.0 kB
  • After minification 170.5 kB
  • After compression 80.4 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 100.6 kB or 56% of the original size.

Image Optimization

-4%

Potential reduce by 160.4 kB

  • Original 3.8 MB
  • After minification 3.7 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. Celtic Tuning images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.1 MB

  • Original 1.5 MB
  • After minification 1.4 MB
  • After compression 397.2 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 1.1 MB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 185.9 kB

  • Original 223.8 kB
  • After minification 198.7 kB
  • After compression 37.9 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. Celtictuning.co.uk needs all CSS files to be minified and compressed as it can save up to 185.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (56%)

Requests Now

77

After Optimization

34

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celtic Tuning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

celtictuning.co.uk 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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

celtictuning.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

High

Missing source maps for large first-party JavaScript

SEO Factors

celtictuning.co.uk SEO score

98

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

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

Open Graph description is not detected on the main page of Celtic Tuning. 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: