Report Summary

  • 42

    Performance

    Renders faster than
    63% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

sparksdirect.co.uk

Lighting and Electrical Wholesaler | Sparks Electrical Wholesalers

Page Load Speed

56.9 sec in total

First Response

420 ms

Resources Loaded

45.2 sec

Page Rendered

11.3 sec

sparksdirect.co.uk screenshot

About Website

Visit sparksdirect.co.uk now to see the best up-to-date Sparks Direct content for United Kingdom and also check out these interesting facts you probably never knew about sparksdirect.co.uk

Sparks Direct are London's leading lighting and electrical wholesaler, supplying the whole of the UK with both commercial and domestic electrical products

Visit sparksdirect.co.uk

Key Findings

We analyzed Sparksdirect.co.uk page load time and found that the first response time was 420 ms and then it took 56.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

sparksdirect.co.uk performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

sparksdirect.co.uk

420 ms

www.sparksdirect.co.uk

1812 ms

g=css&1503569216

983 ms

slideshow.css

931 ms

modernizr.js

928 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 35% of them (35 requests) were addressed to the original Sparksdirect.co.uk, 17% (17 requests) were made to Sparksdirect.scdn5.secure.raxcdn.com and 10% (10 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (13.7 sec) belongs to the original domain Sparksdirect.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (49%)

Content Size

2.9 MB

After Optimization

1.5 MB

In fact, the total size of Sparksdirect.co.uk main page is 2.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 491.6 kB

  • Original 557.2 kB
  • After minification 466.0 kB
  • After compression 65.6 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 91.2 kB, which is 16% 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 491.6 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 58.2 kB

  • Original 1.0 MB
  • After minification 964.7 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. Sparks Direct images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 868.8 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 460.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 868.8 kB or 65% of the original size.

CSS Optimization

-27%

Potential reduce by 52 B

  • Original 192 B
  • After minification 192 B
  • After compression 140 B

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. Sparksdirect.co.uk needs all CSS files to be minified and compressed as it can save up to 52 B or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (46%)

Requests Now

93

After Optimization

50

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sparks Direct. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sparksdirect.co.uk accessibility score

65

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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

sparksdirect.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sparksdirect.co.uk SEO score

85

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

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sparksdirect.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 Sparksdirect.co.uk main page’s claimed encoding is iso-8859-1. 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 data is detected on the main page of Sparks Direct. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: