Tools & Wizards About Us
spark-plugs.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 65

    SEO

    Google-friendlier than
    25% of websites

spark-plugs.co.uk

Domain parking page

Page Load Speed

4.1 sec in total

First Response

995 ms

Resources Loaded

2.9 sec

Page Rendered

177 ms

spark-plugs.co.uk screenshot

About Website

Visit spark-plugs.co.uk now to see the best up-to-date Spark Plugs content and also check out these interesting facts you probably never knew about spark-plugs.co.uk

Visit Sparkplugs.co.uk for all of your ignition and automotive requirements in the UK and Europe.

Visit spark-plugs.co.uk

Key Findings

We analyzed Spark-plugs.co.uk page load time and found that the first response time was 995 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

spark-plugs.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.522

15/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

www.sparkplugs.co.uk

995 ms

common.css

437 ms

desktop-menu.css

367 ms

tablet-menu.css

366 ms

mobile-menu.css

368 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Spark-plugs.co.uk, 4% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Paypal.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Sparkplugs.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 449.5 kB (93%)

Content Size

483.9 kB

After Optimization

34.4 kB

  • HTML
  • JavaScript

In fact, the total size of Spark-plugs.co.uk main page is 483.9 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. 40% of websites need less resources to load. HTML takes 462.9 kB which makes up the majority of the site volume.

HTML Optimization

-97%

Potential reduce by 449.4 kB

  • Original 462.9 kB
  • After minification 149.4 kB
  • After compression 13.5 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 313.4 kB, which is 68% 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 449.4 kB or 97% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

Number of requests can be reduced by 40 (50%)

Requests Now

80

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spark Plugs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sparkplugs.co.uk

www.sparkplugs.co.uk

995 ms

common.css

common.css

437 ms

desktop-menu.css

desktop-menu.css

367 ms

tablet-menu.css

tablet-menu.css

366 ms

mobile-menu.css

mobile-menu.css

368 ms

filter.css

filter.css

535 ms

footer.css

footer.css

417 ms

incart-slider-style.css

incart-slider-style.css

532 ms

toggles.css

toggles.css

448 ms

toggles-light.css

toggles-light.css

450 ms

hamburgers.css

hamburgers.css

499 ms

freshslider.min.css

freshslider.min.css

519 ms

content.css

content.css

533 ms

jquery.fancybox.css

jquery.fancybox.css

533 ms

desktop.css

desktop.css

582 ms

tablet.css

tablet.css

602 ms

mobile.css

mobile.css

615 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

780 ms

jquery-ui.min.js

jquery-ui.min.js

1033 ms

jquery.lazy.min.js

jquery.lazy.min.js

615 ms

toggles.min.js

toggles.min.js

663 ms

common.js

common.js

684 ms

desktop.js

desktop.js

696 ms

mobile.js

mobile.js

698 ms

jssor.js

jssor.js

746 ms

jssor.slider.js

jssor.slider.js

937 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

789 ms

incart-slider.js

incart-slider.js

789 ms

incart-slider-transition.js

incart-slider-transition.js

828 ms

jquery.fancybox.js

jquery.fancybox.js

864 ms

freshslider.min.js

freshslider.min.js

864 ms

filter.js

filter.js

951 ms

js

js

399 ms

js

js

60 ms

home.css

home.css

673 ms

basket-close-white.png

basket-close-white.png

94 ms

email.png

email.png

94 ms

telephone.png

telephone.png

93 ms

house.png

house.png

96 ms

400x83.png

400x83.png

97 ms

search-icon.png

search-icon.png

96 ms

wishlist-blue.svg

wishlist-blue.svg

172 ms

avatar-blue.svg

avatar-blue.svg

169 ms

garage-blue.svg

garage-blue.svg

175 ms

basket-blue.svg

basket-blue.svg

174 ms

cancel-black.png

cancel-black.png

173 ms

arrow-line-left-white.png

arrow-line-left-white.png

177 ms

car-van-430-ra-landsaan.png

car-van-430-ra-landsaan.png

253 ms

mc-scooter-430-ra-landsaan.png

mc-scooter-430-ra-landsaan.png

251 ms

garden-eqpmt-430-ra-landsaan.png

garden-eqpmt-430-ra-landsaan.png

252 ms

marine-430-ra-landsaan.png

marine-430-ra-landsaan.png

254 ms

industrial-430-ra-landsaan.png

industrial-430-ra-landsaan.png

253 ms

tools-430-ra-landsaan.png

tools-430-ra-landsaan.png

254 ms

trade.png

trade.png

334 ms

car.jpg

car.jpg

334 ms

motorcycle.jpg

motorcycle.jpg

336 ms

marine-engines.jpg

marine-engines.jpg

336 ms

garden-equipment.jpg

garden-equipment.jpg

337 ms

industrial-igniters.jpg

industrial-igniters.jpg

337 ms

trade-customers.jpg

trade-customers.jpg

416 ms

magnecor.jpg

magnecor.jpg

418 ms

tools.jpg

tools.jpg

419 ms

BERU_Borg_Warner50x50.jpg

BERU_Borg_Warner50x50.jpg

419 ms

CHAMPION100.jpg

CHAMPION100.jpg

420 ms

NGK50.png

NGK50.png

421 ms

BOSCH100.png

BOSCH100.png

499 ms

DENSO100.png

DENSO100.png

501 ms

FERODO100.png

FERODO100.png

501 ms

BERU50x50.jpg

BERU50x50.jpg

502 ms

GUNSON100.png

GUNSON100.png

502 ms

LASER100.png

LASER100.png

466 ms

analytics.js

analytics.js

36 ms

APICO100.png

APICO100.png

493 ms

sealey100.png

sealey100.png

495 ms

arrow-right-white.png

arrow-right-white.png

494 ms

visa-large.png

visa-large.png

493 ms

mastercard-large.png

mastercard-large.png

494 ms

collect

collect

16 ms

collect

collect

3 ms

maestro-large.png

maestro-large.png

471 ms

paypal-large.png

paypal-large.png

496 ms

Accessibility Review

spark-plugs.co.uk accessibility score

61

Accessibility Issues

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

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

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

spark-plugs.co.uk best practices score

75

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

spark-plugs.co.uk SEO score

65

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

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Spark-plugs.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 Spark-plugs.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

spark-plugs.co.uk

Open Graph description is not detected on the main page of Spark Plugs. 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: