Tools & Wizards About Us
lightbulbs247.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

lightbulbs247.com

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Page Load Speed

4.2 sec in total

First Response

907 ms

Resources Loaded

3.1 sec

Page Rendered

190 ms

lightbulbs247.com screenshot

About Website

Visit lightbulbs247.com now to see the best up-to-date Lightbulbs 247 content for United States and also check out these interesting facts you probably never knew about lightbulbs247.com

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Visit lightbulbs247.com

Key Findings

We analyzed Lightbulbs247.com page load time and found that the first response time was 907 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 55% of websites can load faster.

Performance Metrics

lightbulbs247.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value3,720 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

lightbulbs247.com

907 ms

b8f2c8903767a8e21608752d6ccca0d6.css

257 ms

ed1640df56ad247ec29f99f717639b7f.js

428 ms

mobile.css

147 ms

themeoption.css.php

170 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 97% of them (57 requests) were addressed to the original Lightbulbs247.com, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Lightbulbs247.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 934.8 kB (55%)

Content Size

1.7 MB

After Optimization

749.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lightbulbs247.com main page is 1.7 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. 40% of websites need less resources to load. Javascripts take 666.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 74.9 kB

  • Original 86.1 kB
  • After minification 77.3 kB
  • After compression 11.2 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 74.9 kB or 87% of the original size.

Image Optimization

-12%

Potential reduce by 70.5 kB

  • Original 593.1 kB
  • After minification 522.6 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, Lightbulbs 247 needs image optimization as it can save up to 70.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 498.6 kB

  • Original 666.5 kB
  • After minification 542.6 kB
  • After compression 168.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 498.6 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 290.9 kB

  • Original 338.7 kB
  • After minification 274.1 kB
  • After compression 47.8 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. Lightbulbs247.com needs all CSS files to be minified and compressed as it can save up to 290.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

53

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lightbulbs 247. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lightbulbs247.com

lightbulbs247.com

907 ms

b8f2c8903767a8e21608752d6ccca0d6.css

b8f2c8903767a8e21608752d6ccca0d6.css

257 ms

ed1640df56ad247ec29f99f717639b7f.js

ed1640df56ad247ec29f99f717639b7f.js

428 ms

mobile.css

mobile.css

147 ms

themeoption.css.php

themeoption.css.php

170 ms

analytics.js

analytics.js

46 ms

light-bulbs-247-logo.png

light-bulbs-247-logo.png

74 ms

bulk-commercial-discounts-available.png

bulk-commercial-discounts-available.png

140 ms

NLUSA_10off.jpg

NLUSA_10off.jpg

258 ms

NLUSA_Ballasts.jpg

NLUSA_Ballasts.jpg

140 ms

NLUSA_Incandescent.jpg

NLUSA_Incandescent.jpg

231 ms

NLUSA_LED.jpg

NLUSA_LED.jpg

205 ms

resource_center.jpg

resource_center.jpg

247 ms

flat_rate_shipping.jpg

flat_rate_shipping.jpg

254 ms

aerotech.jpg

aerotech.jpg

175 ms

bulbrite.jpg

bulbrite.jpg

280 ms

eiko.jpg

eiko.jpg

282 ms

energetic-lighting.jpg

energetic-lighting.jpg

281 ms

eti.png

eti.png

324 ms

green-creative.png

green-creative.png

343 ms

greenlite.jpg

greenlite.jpg

325 ms

hatch.jpg

hatch.jpg

323 ms

howard.jpg

howard.jpg

325 ms

keystone.jpg

keystone.jpg

342 ms

kobi.jpg

kobi.jpg

449 ms

ledi2.png

ledi2.png

435 ms

lightbulbslogo.png

lightbulbslogo.png

450 ms

litetronics.jpg

litetronics.jpg

453 ms

longstar.jpg

longstar.jpg

452 ms

nautraled.jpg

nautraled.jpg

449 ms

overdrive.png

overdrive.png

1079 ms

plusrite.jpg

plusrite.jpg

1078 ms

premium-quality.jpg

premium-quality.jpg

1081 ms

sansi.jpg

sansi.jpg

1084 ms

sunmaster.png

sunmaster.png

1083 ms

tcp.jpg

tcp.jpg

1080 ms

ushio.jpg

ushio.jpg

1308 ms

venture.jpg

venture.jpg

1310 ms

5771.jpg

5771.jpg

1304 ms

13watt_cfl.jpg

13watt_cfl.jpg

1308 ms

5828.jpg

5828.jpg

1303 ms

5838.jpg

5838.jpg

1265 ms

collect

collect

68 ms

segoeui.woff

segoeui.woff

1476 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1283 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1243 ms

segoeuib.woff

segoeuib.woff

1292 ms

segoeuil.woff

segoeuil.woff

1328 ms

5841.jpg

5841.jpg

1125 ms

energy-star-partner.png

energy-star-partner.png

1152 ms

naild-logo.png

naild-logo.png

1203 ms

comodo_secure_113x59_transp.png

comodo_secure_113x59_transp.png

1175 ms

10-off.png

10-off.png

1181 ms

menu_arrow.png

menu_arrow.png

1193 ms

carousel_left_arrow.png

carousel_left_arrow.png

1266 ms

carousel_right_arrow.png

carousel_right_arrow.png

1225 ms

bx_loader.gif

bx_loader.gif

1243 ms

slider_arrow.png

slider_arrow.png

1240 ms

279a24d560c9190c3dc7e44966eb64b8.css

279a24d560c9190c3dc7e44966eb64b8.css

39 ms

Accessibility Review

lightbulbs247.com accessibility score

96

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.

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

lightbulbs247.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

lightbulbs247.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lightbulbs247.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Lightbulbs247.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

lightbulbs247.com

Open Graph description is not detected on the main page of Lightbulbs 247. 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: