Tools & Wizards About Us
slpuk.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

slpuk.com

SLP (UK) Limited - Manufacturers of High Quality Lighting Lenses and Louvres

Page Load Speed

1.5 sec in total

First Response

264 ms

Resources Loaded

1.1 sec

Page Rendered

91 ms

slpuk.com screenshot

About Website

Welcome to slpuk.com homepage info - get ready to check SLP UK best content right away, or after learning these important things about slpuk.com

SLP (UK) LED Diffusers, LED Panels, LED Smooth Sheet Diffusers, LED Prismatic Diffusers, LED Opal Diffusers, LED Profiles, SLP (UK) Limited was formed in 1993 to service the European Lighting and Ceil...

Visit slpuk.com

Key Findings

We analyzed Slpuk.com page load time and found that the first response time was 264 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

slpuk.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value3.5 s

89/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.308

38/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

slpuk.com

264 ms

menu.js

162 ms

xr_main.css

162 ms

xr_text.css

162 ms

roe.js

162 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Slpuk.com, 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (533 ms) belongs to the original domain Slpuk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.7 kB (15%)

Content Size

354.5 kB

After Optimization

301.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slpuk.com main page is 354.5 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 262.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 34.0 kB

  • Original 40.4 kB
  • After minification 40.2 kB
  • After compression 6.4 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 34.0 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 17.1 kB

  • Original 262.0 kB
  • After minification 245.0 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. SLP UK images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.4 kB

  • Original 50.8 kB
  • After minification 50.8 kB
  • After compression 49.4 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

-16%

Potential reduce by 211 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.1 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. Slpuk.com needs all CSS files to be minified and compressed as it can save up to 211 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (29%)

Requests Now

41

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLP UK. 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

slpuk.com

slpuk.com

264 ms

menu.js

menu.js

162 ms

xr_main.css

xr_main.css

162 ms

xr_text.css

xr_text.css

162 ms

roe.js

roe.js

162 ms

jquery.js

jquery.js

251 ms

datamap.js

datamap.js

173 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

245 ms

cycle_bottomradio_config.js

cycle_bottomradio_config.js

244 ms

cycle_bottomradio.css

cycle_bottomradio.css

242 ms

1.js

1.js

244 ms

3001.png

3001.png

89 ms

778.png

778.png

168 ms

2790.png

2790.png

94 ms

786.png

786.png

167 ms

787.png

787.png

94 ms

788.png

788.png

89 ms

789.png

789.png

170 ms

790.png

790.png

170 ms

791.png

791.png

181 ms

2839.png

2839.png

180 ms

2840.png

2840.png

249 ms

2841.png

2841.png

249 ms

2842.png

2842.png

250 ms

2704.jpg

2704.jpg

250 ms

2852.png

2852.png

265 ms

796.png

796.png

267 ms

797.png

797.png

331 ms

798.png

798.png

332 ms

799.png

799.png

331 ms

800.png

800.png

332 ms

2843.png

2843.png

348 ms

2844.png

2844.png

353 ms

2845.png

2845.png

411 ms

2846.png

2846.png

413 ms

gtm.js

gtm.js

19 ms

gtm.js

gtm.js

56 ms

3026.jpg

3026.jpg

530 ms

3288.jpg

3288.jpg

452 ms

3281.jpg

3281.jpg

396 ms

3176.jpg

3176.jpg

485 ms

2849.jpg

2849.jpg

533 ms

bullets.png

bullets.png

456 ms

Accessibility Review

slpuk.com accessibility score

64

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

slpuk.com 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

SEO Factors

slpuk.com SEO score

80

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

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slpuk.com 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 Slpuk.com main page’s claimed encoding is windows-1252. 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

slpuk.com

Open Graph description is not detected on the main page of SLP UK. 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: