Tools & Wizards About Us

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

dpfcleanse.co.uk

DPF cleaning services, air conditioning repairs and vehicle diagnostic services in Manchester, Bolton and across the UK. Diesel particulate filters cl...

Page Load Speed

3 sec in total

First Response

263 ms

Resources Loaded

2.6 sec

Page Rendered

152 ms

About Website

Welcome to dpfcleanse.co.uk homepage info - get ready to check DPF Cleanse best content right away, or after learning these important things about dpfcleanse.co.uk

DPF Cleanse have more than 20 years' experience in the motor industry, offering diesel particulate filter cleaning and unblocking services, vehicle diagnostics, air conditioning servicing and transmis...

Visit dpfcleanse.co.uk

Key Findings

We analyzed Dpfcleanse.co.uk page load time and found that the first response time was 263 ms and then it took 2.7 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

dpfcleanse.co.uk performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

dpfcleanse.co.uk

263 ms

dpfcleanse.co.uk

359 ms

www.dpfcleanse.co.uk

225 ms

www.dpfcleanse.co.uk

358 ms

style.css

141 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 73% of them (33 requests) were addressed to the original Dpfcleanse.co.uk, 16% (7 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (631 ms) belongs to the original domain Dpfcleanse.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.0 kB (59%)

Content Size

623.5 kB

After Optimization

258.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dpfcleanse.co.uk main page is 623.5 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. 35% of websites need less resources to load. Images take 273.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.3 kB

  • Original 29.6 kB
  • After minification 27.2 kB
  • After compression 7.3 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 22.3 kB or 75% of the original size.

Image Optimization

-40%

Potential reduce by 110.4 kB

  • Original 273.2 kB
  • After minification 162.8 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. Obviously, DPF Cleanse needs image optimization as it can save up to 110.4 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 182.9 kB

  • Original 259.7 kB
  • After minification 228.3 kB
  • After compression 76.8 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 182.9 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 49.4 kB

  • Original 61.0 kB
  • After minification 48.1 kB
  • After compression 11.6 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. Dpfcleanse.co.uk needs all CSS files to be minified and compressed as it can save up to 49.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (61%)

Requests Now

33

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DPF Cleanse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dpfcleanse.co.uk accessibility score

66

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

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

Links do not have a discernible name

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

dpfcleanse.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

SEO Factors

dpfcleanse.co.uk SEO score

92

Search Engine Optimization Advices

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

    TEXT/HTML; UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dpfcleanse.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 Dpfcleanse.co.uk main page’s claimed encoding is text/html; utf-8. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of DPF Cleanse. 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: