Access spark-plugs.co.uk. Domain parking page

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%

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.

Content Size

483.9 kB

After Optimization

34.4 kB

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 Now

After Optimization

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.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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/).

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

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: