Tools & Wizards About Us
bulbs-unlimited.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

bulbs-unlimited.com

Bulbs-Unlimited: Upcycling / Designerleuchten aus alten Glühbirnen recyceln

Page Load Speed

2.4 sec in total

First Response

289 ms

Resources Loaded

1.7 sec

Page Rendered

387 ms

bulbs-unlimited.com screenshot

About Website

Welcome to bulbs-unlimited.com homepage info - get ready to check Bulbs Unlimited best content right away, or after learning these important things about bulbs-unlimited.com

Glühbirnenrecycling / Upcycling - Das Do-it-your-self Baukastensystem für spektakuläre Designerlampen aus Glühbirnen und Glühlampen. Lichtobjekte zum Budgetpreis selbst gestalten.

Visit bulbs-unlimited.com

Key Findings

We analyzed Bulbs-unlimited.com page load time and found that the first response time was 289 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

bulbs-unlimited.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.556

13/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

bulbs-unlimited.com

289 ms

bootstrap.min.css

188 ms

screen.css

174 ms

theme-default.css

179 ms

screen.css

185 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 98% of them (65 requests) were addressed to the original Bulbs-unlimited.com, 2% (1 request) were made to Codelayers.net. The less responsive or slowest element that took the longest time to load (985 ms) belongs to the original domain Bulbs-unlimited.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.5 kB (5%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bulbs-unlimited.com main page is 2.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 63.5 kB

  • Original 75.2 kB
  • After minification 69.2 kB
  • After compression 11.7 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 63.5 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 10.4 kB

  • Original 1.8 MB
  • After minification 1.7 MB

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. Bulbs Unlimited images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 8.7 kB

  • Original 213.4 kB
  • After minification 213.4 kB
  • After compression 204.7 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

-15%

Potential reduce by 17.9 kB

  • Original 116.4 kB
  • After minification 116.4 kB
  • After compression 98.5 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. Bulbs-unlimited.com needs all CSS files to be minified and compressed as it can save up to 17.9 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (60%)

Requests Now

62

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bulbs Unlimited. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bulbs-unlimited.com

bulbs-unlimited.com

289 ms

bootstrap.min.css

bootstrap.min.css

188 ms

screen.css

screen.css

174 ms

theme-default.css

theme-default.css

179 ms

screen.css

screen.css

185 ms

corporate.css

corporate.css

187 ms

shortcodes.css

shortcodes.css

281 ms

creative.css

creative.css

260 ms

font-awesome.min.css

font-awesome.min.css

264 ms

simple-line-icons.css

simple-line-icons.css

266 ms

et-line-font.css

et-line-font.css

268 ms

settings.css

settings.css

266 ms

layers.css

layers.css

348 ms

navigation.css

navigation.css

354 ms

owl.carousel.css

owl.carousel.css

357 ms

owl.theme.css

owl.theme.css

353 ms

style.css

style.css

357 ms

cubeportfolio.min.css

cubeportfolio.min.css

375 ms

skin.css

skin.css

435 ms

jquery.js

jquery.js

472 ms

bootstrap.min.js

bootstrap.min.js

470 ms

spectrum.js

spectrum.js

525 ms

less.min.js

less.min.js

534 ms

style-customizer.js

style-customizer.js

481 ms

main.js

main.js

518 ms

jquery.parallax-1.1.3.js

jquery.parallax-1.1.3.js

523 ms

jflickrfeed.min.js

jflickrfeed.min.js

529 ms

jquery.cubeportfolio.min.js

jquery.cubeportfolio.min.js

978 ms

cols-3.js

cols-3.js

982 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

985 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

983 ms

revolution.extension.actions.min.js

revolution.extension.actions.min.js

982 ms

revolution.extension.carousel.min.js

revolution.extension.carousel.min.js

983 ms

revolution.extension.kenburn.min.js

revolution.extension.kenburn.min.js

983 ms

revolution.extension.layeranimation.min.js

revolution.extension.layeranimation.min.js

983 ms

revolution.extension.migration.min.js

revolution.extension.migration.min.js

984 ms

revolution.extension.navigation.min.js

revolution.extension.navigation.min.js

984 ms

revolution.extension.parallax.min.js

revolution.extension.parallax.min.js

815 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

808 ms

revolution.extension.video.min.js

revolution.extension.video.min.js

806 ms

functions.js

functions.js

806 ms

logo.png

logo.png

797 ms

ce3-1.jpg

ce3-1.jpg

734 ms

bulbs_unlimited_front_1.jpg

bulbs_unlimited_front_1.jpg

821 ms

bulbs_unlimited_designerleuchten_selber_konstruieren.jpg

bulbs_unlimited_designerleuchten_selber_konstruieren.jpg

879 ms

bulbs_unlimited_virus_haengeleuchte.jpg

bulbs_unlimited_virus_haengeleuchte.jpg

937 ms

bulbs_unlimited_bausaetze.jpg

bulbs_unlimited_bausaetze.jpg

879 ms

bulbs_unlimited_virus_table.jpg

bulbs_unlimited_virus_table.jpg

799 ms

bulbs_unlimited_inkubator.jpg

bulbs_unlimited_inkubator.jpg

731 ms

bulbs_unlimited_cube_haengeleuchte_virus_table.jpg

bulbs_unlimited_cube_haengeleuchte_virus_table.jpg

874 ms

bulb.jpg

bulb.jpg

877 ms

clocroc_logo_bw.jpg

clocroc_logo_bw.jpg

800 ms

terrific_tubes_logo_bw.jpg

terrific_tubes_logo_bw.jpg

857 ms

sylpo_logo_bw.jpg

sylpo_logo_bw.jpg

846 ms

scroll-top-arrow.png

scroll-top-arrow.png

538 ms

logo_luzy.jpg

logo_luzy.jpg

773 ms

swing_air_logo_bw.jpg

swing_air_logo_bw.jpg

807 ms

smoc_logo_bw.jpg

smoc_logo_bw.jpg

824 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

830 ms

f-logo.png

f-logo.png

801 ms

instagram_logo_new.jpg

instagram_logo_new.jpg

795 ms

fb_logo.jpg

fb_logo.jpg

803 ms

fo-icon-box-shape1.png

fo-icon-box-shape1.png

843 ms

fo-icon-box-shape2.png

fo-icon-box-shape2.png

422 ms

fo-map.png

fo-map.png

415 ms

revicons.woff

revicons.woff

319 ms

Accessibility Review

bulbs-unlimited.com accessibility score

87

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

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

Best Practices

bulbs-unlimited.com best practices score

75

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

SEO Factors

bulbs-unlimited.com SEO score

90

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

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

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bulbs-unlimited.com can be misinterpreted by Google and other search engines. Our service has detected that German 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 Bulbs-unlimited.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

bulbs-unlimited.com

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