Tools & Wizards About Us
sleltd.co.uk screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sleltd.co.uk

Specialist Lighting and Electrical Ltd - lighting in Birmingham

Page Load Speed

1.3 sec in total

First Response

63 ms

Resources Loaded

601 ms

Page Rendered

611 ms

sleltd.co.uk screenshot

About Website

Click here to check amazing Sle Ltd content. Otherwise, check out these important facts you probably never knew about sleltd.co.uk

Looking for electrical contractors in Birmingham? Specialist Lighting and Electrical Ltd is the electrical company you can trust. Call us on 0800 433 2987

Visit sleltd.co.uk

Key Findings

We analyzed Sleltd.co.uk page load time and found that the first response time was 63 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

sleltd.co.uk performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.266

46/100

15%

TTI (Time to Interactive)

Value6.9 s

53/100

10%

Network Requests Diagram

sleltd.co.uk

63 ms

www.sleltd.co.uk

151 ms

bg-1280x1700-1920w.png

183 ms

yell-runtime.css

13 ms

jquery-3.7.0.min.js

56 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 30% of them (7 requests) were addressed to the original Sleltd.co.uk, 52% (12 requests) were made to Lirp.cdn-website.com and 17% (4 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (386 ms) relates to the external source Lirp.cdn-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.5 kB (11%)

Content Size

569.4 kB

After Optimization

504.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sleltd.co.uk main page is 569.4 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. 25% of websites need less resources to load. Images take 336.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 63.4 kB

  • Original 85.4 kB
  • After minification 81.9 kB
  • After compression 22.0 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 63.4 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 817 B

  • Original 336.0 kB
  • After minification 335.2 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. Sle Ltd images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 206 B

  • Original 147.7 kB
  • After minification 147.7 kB
  • After compression 147.5 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

-21%

Potential reduce by 56 B

  • Original 271 B
  • After minification 271 B
  • After compression 215 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. Sleltd.co.uk needs all CSS files to be minified and compressed as it can save up to 56 B or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (33%)

Requests Now

21

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sle Ltd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sleltd.co.uk

sleltd.co.uk

63 ms

www.sleltd.co.uk

www.sleltd.co.uk

151 ms

bg-1280x1700-1920w.png

bg-1280x1700-1920w.png

183 ms

yell-runtime.css

yell-runtime.css

13 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

56 ms

d-js-one-runtime-unified-desktop.min.js

d-js-one-runtime-unified-desktop.min.js

72 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

72 ms

popup.js

popup.js

40 ms

helpers.js

helpers.js

42 ms

userVisitsConditionService.js

userVisitsConditionService.js

43 ms

timeRangeConditionService.js

timeRangeConditionService.js

50 ms

rrule.min.js

rrule.min.js

70 ms

logo-406w.png

logo-406w.png

115 ms

RatedPeopleMember-910x221-250w.png

RatedPeopleMember-910x221-250w.png

111 ms

slide1-1280x600-2304w.png

slide1-1280x600-2304w.png

294 ms

slide2-1280x600-2304w.png

slide2-1280x600-2304w.png

271 ms

home_1-280x280-336w.png

home_1-280x280-336w.png

126 ms

home_2-280x280-336w.png

home_2-280x280-336w.png

190 ms

home_3-280x280-336w.png

home_3-280x280-336w.png

257 ms

Satellite_2005536801-290x184-270w.jpg

Satellite_2005536801-290x184-270w.jpg

217 ms

eca_van_decal_153_203_blue_-392x192-270w.jpg

eca_van_decal_153_203_blue_-392x192-270w.jpg

386 ms

RatedPeopleMember-910x221-1920w.png

RatedPeopleMember-910x221-1920w.png

264 ms

RS768871_Yell%20Review%20Us%20On%20Logo%20RGB%20Transparent%20White%20Text-300x151-228w.png

RS768871_Yell%20Review%20Us%20On%20Logo%20RGB%20Transparent%20White%20Text-300x151-228w.png

305 ms

Accessibility Review

sleltd.co.uk accessibility score

80

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.

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

sleltd.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sleltd.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sleltd.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 Sleltd.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

sleltd.co.uk

Open Graph data is detected on the main page of Sle Ltd. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: