Tools & Wizards About Us
slclightingonline.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

slclightingonline.com

UK Wholesale light bulbs low prices Osram Philips & Tunsgram lamps – specialist lighting company

Page Load Speed

1.5 sec in total

First Response

333 ms

Resources Loaded

1.1 sec

Page Rendered

137 ms

slclightingonline.com screenshot

About Website

Visit slclightingonline.com now to see the best up-to-date Slc Lighting Online content and also check out these interesting facts you probably never knew about slclightingonline.com

Est 2001 Specialist lamp stockist of photography & video lighting, stage lighting,TV film, Video & Event lighting. Replacement lamps & Lee lighting filters and gels, projector light bulbs, Disco light...

Visit slclightingonline.com

Key Findings

We analyzed Slclightingonline.com page load time and found that the first response time was 333 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

slclightingonline.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.244

51/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

www.slclightingonline.com

333 ms

js

104 ms

js

133 ms

timber.scss.css

45 ms

preloads.js

53 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 47% of them (21 requests) were addressed to the original Slclightingonline.com, 11% (5 requests) were made to Improvedcontactform.com and 9% (4 requests) were made to Shopify-free-shipping.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (425 ms) belongs to the original domain Slclightingonline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.0 kB (40%)

Content Size

550.9 kB

After Optimization

330.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slclightingonline.com main page is 550.9 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. 50% of websites need less resources to load. HTML takes 285.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 216.7 kB

  • Original 285.4 kB
  • After minification 278.9 kB
  • After compression 68.7 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 216.7 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 1.0 kB

  • Original 35.6 kB
  • After minification 34.6 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. Slc Lighting Online images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 214.5 kB
  • After minification 214.4 kB
  • After compression 212.9 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.

CSS Optimization

-5%

Potential reduce by 722 B

  • Original 15.3 kB
  • After minification 15.2 kB
  • After compression 14.6 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. Slclightingonline.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (73%)

Requests Now

40

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slc Lighting Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.slclightingonline.com

www.slclightingonline.com

333 ms

js

js

104 ms

js

js

133 ms

timber.scss.css

timber.scss.css

45 ms

preloads.js

preloads.js

53 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

52 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

64 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

63 ms

jquery.min.js

jquery.min.js

52 ms

modernizr.min.js

modernizr.min.js

69 ms

loader.js

loader.js

184 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

93 ms

xbo-r-181w45c_medium.jpg

xbo-r-181w45c_medium.jpg

231 ms

ecozap-replacement-lamp_dc3c0104-fa1a-44e6-9028-54aeca049d1f_medium.jpg

ecozap-replacement-lamp_dc3c0104-fa1a-44e6-9028-54aeca049d1f_medium.jpg

286 ms

LEDVANCE_PARATHOM_PAR_16_medium.jpg

LEDVANCE_PARATHOM_PAR_16_medium.jpg

281 ms

Bowensmodellinglamp_-_Copy_medium.jpg

Bowensmodellinglamp_-_Copy_medium.jpg

282 ms

philipsmsrgold300_medium.jpg

philipsmsrgold300_medium.jpg

309 ms

300winfraredheatlamp_medium.jpg

300winfraredheatlamp_medium.jpg

425 ms

shop.js

shop.js

282 ms

conversion.js

conversion.js

91 ms

store.js

store.js

107 ms

trekkie.storefront.72278931d43be9cf54de64f928f82f2eef1fa047.min.js

trekkie.storefront.72278931d43be9cf54de64f928f82f2eef1fa047.min.js

210 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

210 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

210 ms

blankslate-producticon.png

blankslate-producticon.png

67 ms

icons.woff

icons.woff

71 ms

8AAngBY2BkYGDgA2IJBhBgAvKZGViBJAuYxwAABJsAOgAAeAFjYGBgZACCk535hiD60tn0azAaAEqpB6wAAA==

8AAngBY2BkYGDgA2IJBhBgAvKZGViBJAuYxwAABJsAOgAAeAFjYGBgZACCk535hiD60tn0azAaAEqpB6wAAA==

22 ms

81 ms

base.css

base.css

34 ms

icons.ttf

icons.ttf

48 ms

47 ms

6oqaqldhih3qczb3gd8hfwpb32svquqd.js

6oqaqldhih3qczb3gd8hfwpb32svquqd.js

148 ms

icf.js

icf.js

92 ms

production_base.js

production_base.js

38 ms

common.js

common.js

65 ms

installed.js

installed.js

36 ms

icons.svg

icons.svg

152 ms

690011633808eecd6737cb001dd8a3e2.css

690011633808eecd6737cb001dd8a3e2.css

18 ms

jquery.min.js

jquery.min.js

6 ms

loader.js

loader.js

15 ms

690011633808eecd6737cb001dd8a3e2.js

690011633808eecd6737cb001dd8a3e2.js

60 ms

widget.css

widget.css

10 ms

widgets.js

widgets.js

22 ms

43 ms

common.css

common.css

21 ms

Accessibility Review

slclightingonline.com accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

slclightingonline.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

slclightingonline.com SEO score

62

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

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 Slclightingonline.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 Slclightingonline.com 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

slclightingonline.com

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