Tools & Wizards About Us
rsjsportscars.co.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rsjsportscars.co.uk

Used Porsche Cars For Sale in Slough, Berkshire | RSJ Sports Cars

Page Load Speed

3.6 sec in total

First Response

67 ms

Resources Loaded

2.1 sec

Page Rendered

1.5 sec

rsjsportscars.co.uk screenshot

About Website

Welcome to rsjsportscars.co.uk homepage info - get ready to check RSJ Sports Cars best content for United Kingdom right away, or after learning these important things about rsjsportscars.co.uk

RSJ Sports Cars are a car Dealers located in Slough, Berkshire. Check out our stock online here now

Visit rsjsportscars.co.uk

Key Findings

We analyzed Rsjsportscars.co.uk page load time and found that the first response time was 67 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

rsjsportscars.co.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value2,340 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

rsjsportscars.co.uk

67 ms

www.rsjsportscars.co.uk

88 ms

gtm.js

170 ms

froala_style.min.css

293 ms

app.css

302 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 76% of them (42 requests) were addressed to the original Rsjsportscars.co.uk, 7% (4 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to S3.eu-west-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Rsjsportscars.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.1 kB (7%)

Content Size

3.3 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rsjsportscars.co.uk main page is 3.3 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. Only a small number of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.2 kB

  • Original 61.7 kB
  • After minification 49.7 kB
  • After compression 10.5 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. This page needs HTML code to be minified as it can gain 12.0 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 51.2 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 167.9 kB

  • Original 3.0 MB
  • After minification 2.8 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. RSJ Sports Cars images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.1 kB

  • Original 215.2 kB
  • After minification 215.2 kB
  • After compression 213.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 9.0 kB

  • Original 63.5 kB
  • After minification 63.5 kB
  • After compression 54.5 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. Rsjsportscars.co.uk needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (49%)

Requests Now

45

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RSJ Sports Cars. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rsjsportscars.co.uk

rsjsportscars.co.uk

67 ms

www.rsjsportscars.co.uk

www.rsjsportscars.co.uk

88 ms

gtm.js

gtm.js

170 ms

froala_style.min.css

froala_style.min.css

293 ms

app.css

app.css

302 ms

slick.css

slick.css

338 ms

slick-theme.css

slick-theme.css

361 ms

fontawesome-all.min.css

fontawesome-all.min.css

355 ms

leaflet.css

leaflet.css

440 ms

leaflet-gesture-handling.min.css

leaflet-gesture-handling.min.css

440 ms

magnific-popup.css

magnific-popup.css

456 ms

animate.min.css

animate.min.css

161 ms

coupe.png

coupe.png

862 ms

243858105

243858105

346 ms

jquery.min.js

jquery.min.js

449 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

617 ms

foundation.min.js

foundation.min.js

429 ms

dompurify.min.js

dompurify.min.js

857 ms

dropzone.min.js

dropzone.min.js

856 ms

slick.min.js

slick.min.js

863 ms

leaflet.min.js

leaflet.min.js

859 ms

leaflet-gesture-handling.min.js

leaflet-gesture-handling.min.js

857 ms

leaflet-unwired.js

leaflet-unwired.js

277 ms

main.js

main.js

860 ms

jquery.scrolla.min.js

jquery.scrolla.min.js

861 ms

custom.js

custom.js

858 ms

vc-loader.min.js

vc-loader.min.js

155 ms

convertible.png

convertible.png

852 ms

mpvestate.png

mpvestate.png

850 ms

logo.png

logo.png

938 ms

1.jpg

1.jpg

939 ms

2.jpg

2.jpg

924 ms

3.jpg

3.jpg

928 ms

1.jpg

1.jpg

1111 ms

2.jpg

2.jpg

1226 ms

1.jpg

1.jpg

1221 ms

2.jpg

2.jpg

1223 ms

3.jpg

3.jpg

1219 ms

4.jpg

4.jpg

1207 ms

1.jpg

1.jpg

1418 ms

2.jpg

2.jpg

1420 ms

1.jpg

1.jpg

1423 ms

1.jpg

1.jpg

1421 ms

0e16ea3f-2158-4c29-90ad-0cb545dca876.png

0e16ea3f-2158-4c29-90ad-0cb545dca876.png

1458 ms

css2

css2

204 ms

d7057055-c508-40f8-945c-00afe299e3a1.jpg.webp

d7057055-c508-40f8-945c-00afe299e3a1.jpg.webp

628 ms

sn.png

sn.png

820 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

185 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

279 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

295 ms

fa-brands-400.woff

fa-brands-400.woff

695 ms

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKd3vUDQ.ttf

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKd3vUDQ.ttf

296 ms

fa-solid-900.woff

fa-solid-900.woff

813 ms

fa-regular-400.woff

fa-regular-400.woff

607 ms

slick.woff

slick.woff

288 ms

Accessibility Review

rsjsportscars.co.uk accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

rsjsportscars.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rsjsportscars.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 Rsjsportscars.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 Rsjsportscars.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

rsjsportscars.co.uk

Open Graph description is not detected on the main page of RSJ Sports Cars. 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: