Tools & Wizards About Us
powerbulbs.co.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

powerbulbs.co.uk

Car Bulbs | Halogen, Xenon, LED | Philips & OSRAM | PowerBulbs UK

Page Load Speed

4 sec in total

First Response

773 ms

Resources Loaded

2.8 sec

Page Rendered

458 ms

powerbulbs.co.uk screenshot

About Website

Visit powerbulbs.co.uk now to see the best up-to-date Power Bulbs content for United States and also check out these interesting facts you probably never knew about powerbulbs.co.uk

Power Bulbs specialise in bringing you only the best, original equipment quality car headlight bulbs from leading manufacturers Philips, OSRAM, PIAA, GE, GT, NEOLUX and M-Tech.

Visit powerbulbs.co.uk

Key Findings

We analyzed Powerbulbs.co.uk page load time and found that the first response time was 773 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

powerbulbs.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,550 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

Network Requests Diagram

www.powerbulbs.com

773 ms

gtm.js

66 ms

app.min.css

357 ms

css

42 ms

common.css

347 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Powerbulbs.co.uk, 5% (3 requests) were made to Cdn-ukwest.onetrust.com and 3% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Powerbulbs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.1 kB (21%)

Content Size

498.2 kB

After Optimization

394.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Powerbulbs.co.uk main page is 498.2 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. 30% of websites need less resources to load. Javascripts take 326.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 103.1 kB

  • Original 129.6 kB
  • After minification 129.4 kB
  • After compression 26.5 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. 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 103.1 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 957 B

  • Original 8.5 kB
  • After minification 7.6 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. Obviously, Power Bulbs needs image optimization as it can save up to 957 B or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 82 B

  • Original 326.1 kB
  • After minification 326.0 kB
  • After compression 326.0 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

-0%

Potential reduce by 8 B

  • Original 34.1 kB
  • After minification 34.1 kB
  • After compression 34.0 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. Powerbulbs.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (56%)

Requests Now

59

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Power Bulbs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.powerbulbs.com

www.powerbulbs.com

773 ms

gtm.js

gtm.js

66 ms

app.min.css

app.min.css

357 ms

css

css

42 ms

common.css

common.css

347 ms

dl-menu.css

dl-menu.css

58 ms

9809.js

9809.js

45 ms

otSDKStub.js

otSDKStub.js

61 ms

app.min.js

app.min.js

53 ms

modernizr.custom.js

modernizr.custom.js

25 ms

jquery.dlmenu.js

jquery.dlmenu.js

36 ms

vue@2.6.14

vue@2.6.14

50 ms

axios.min.js

axios.min.js

64 ms

d3.v3.min.js

d3.v3.min.js

61 ms

jquery.min.js

jquery.min.js

35 ms

jquery-migrate-3.3.2.min.js

jquery-migrate-3.3.2.min.js

29 ms

scripts.js

scripts.js

386 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

79 ms

2831805a-47d3-483b-a106-6538a73ab2a1.json

2831805a-47d3-483b-a106-6538a73ab2a1.json

54 ms

bdg_secured_by_pp_2line.png

bdg_secured_by_pp_2line.png

76 ms

AM_mc_vs_ms_ae_UK.png

AM_mc_vs_ms_ae_UK.png

78 ms

search.svg

search.svg

34 ms

pb_logo.png

pb_logo.png

393 ms

cart-outline.svg

cart-outline.svg

390 ms

phone.svg

phone.svg

75 ms

uk.png

uk.png

390 ms

en.png

en.png

75 ms

eu.png

eu.png

81 ms

us.png

us.png

81 ms

ca.png

ca.png

105 ms

au.png

au.png

104 ms

pricedropv2_thin.jpg

pricedropv2_thin.jpg

121 ms

pricedropv2_mob.jpg

pricedropv2_mob.jpg

118 ms

trustpilot.svg

trustpilot.svg

134 ms

truck.svg

truck.svg

137 ms

badge.svg

badge.svg

198 ms

en.svg

en.svg

738 ms

pricedropv2_home.jpg

pricedropv2_home.jpg

718 ms

gtultra_home.jpg

gtultra_home.jpg

721 ms

product-best-brightness-halogen.jpg

product-best-brightness-halogen.jpg

836 ms

product-whiter-halogen-upgrade.jpg

product-whiter-halogen-upgrade.jpg

768 ms

powerbulbs-sale.png

powerbulbs-sale.png

822 ms

product-best-brightness-xenon.jpg

product-best-brightness-xenon.jpg

1093 ms

product-best-performance-leds.jpg

product-best-performance-leds.jpg

1124 ms

Finding-The-Right-Headlight-Bulb-Fitting-For-Your-Car.png

Finding-The-Right-Headlight-Bulb-Fitting-For-Your-Car.png

1163 ms

xenonbulbs2.jpg

xenonbulbs2.jpg

1254 ms

Do-Upgrade-Car-Bulbs-Generate-More-Heat-Header.png

Do-Upgrade-Car-Bulbs-Generate-More-Heat-Header.png

1257 ms

why_choose_us.jpg

why_choose_us.jpg

1172 ms

should_i_upgrade.jpg

should_i_upgrade.jpg

1447 ms

how_change_bulbs.jpg

how_change_bulbs.jpg

1454 ms

official_osram.png

official_osram.png

1177 ms

official_philips.png

official_philips.png

1190 ms

close-bold.svg

close-bold.svg

1512 ms

arrows-4f4f4f.png

arrows-4f4f4f.png

1517 ms

S6uyw4BMUTPHjx4wWyWtFCc.ttf

S6uyw4BMUTPHjx4wWyWtFCc.ttf

81 ms

S6u9w4BMUTPHh6UVSwiPHA3q5d0.ttf

S6u9w4BMUTPHh6UVSwiPHA3q5d0.ttf

82 ms

location

location

96 ms

en.png

en.png

1195 ms

otBannerSdk.js

otBannerSdk.js

26 ms

ebd5c9edec470287a0ce9e6b4.js

ebd5c9edec470287a0ce9e6b4.js

208 ms

menu.svg

menu.svg

1236 ms

ajax-loader.gif

ajax-loader.gif

905 ms

main.js

main.js

35 ms

Accessibility Review

powerbulbs.co.uk accessibility score

82

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.

Best Practices

powerbulbs.co.uk best practices score

58

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

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

powerbulbs.co.uk 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

    EN

  • Encoding

    UTF-8

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

powerbulbs.co.uk

Open Graph description is not detected on the main page of Power Bulbs. 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: