Tools & Wizards About Us
bulbs.ch screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

bulbs.ch

gluehbirne.ch - gluehbirne.ch

Page Load Speed

3.5 sec in total

First Response

734 ms

Resources Loaded

2.4 sec

Page Rendered

355 ms

bulbs.ch screenshot

About Website

Click here to check amazing Bulbs content for Switzerland. Otherwise, check out these important facts you probably never knew about bulbs.ch

Der E-Shop Nr. 1 für Leuchtmittel und Batterien zu Toppreisen! Wir liefern jedes Leuchtmittel und jede Batterie: PHILIPS, OSRAM, SYLVANIA, ENERGIZER, DURACELL, RAYOVAC etc. Der E-Shop Nr. 1 für Leucht...

Visit bulbs.ch

Key Findings

We analyzed Bulbs.ch page load time and found that the first response time was 734 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

bulbs.ch performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

bulbs.ch

734 ms

10331.js

13 ms

stylesheet.css

380 ms

gluehbirne_logo.jpg

550 ms

button_quick_find.gif

194 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 86% of them (32 requests) were addressed to the original Bulbs.ch, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Static.shopgate.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Bulbs.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.8 kB (41%)

Content Size

1.2 MB

After Optimization

738.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bulbs.ch main page is 1.2 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 100.0 kB

  • Original 117.3 kB
  • After minification 112.6 kB
  • After compression 17.3 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 100.0 kB or 85% of the original size.

Image Optimization

-34%

Potential reduce by 355.2 kB

  • Original 1.1 MB
  • After minification 700.4 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, Bulbs needs image optimization as it can save up to 355.2 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 36.0 kB

  • Original 54.0 kB
  • After minification 44.2 kB
  • After compression 17.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 36.0 kB or 67% of the original size.

CSS Optimization

-90%

Potential reduce by 20.6 kB

  • Original 22.9 kB
  • After minification 14.0 kB
  • After compression 2.3 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.ch needs all CSS files to be minified and compressed as it can save up to 20.6 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (25%)

Requests Now

36

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bulbs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

bulbs.ch

bulbs.ch

734 ms

10331.js

10331.js

13 ms

stylesheet.css

stylesheet.css

380 ms

gluehbirne_logo.jpg

gluehbirne_logo.jpg

550 ms

button_quick_find.gif

button_quick_find.gif

194 ms

corner_left.gif

corner_left.gif

193 ms

pixel_trans.gif

pixel_trans.gif

193 ms

pointer_blue.gif

pointer_blue.gif

189 ms

corner_right_left.gif

corner_right_left.gif

335 ms

arrow_right.gif

arrow_right.gif

336 ms

GPPR3_ET-P_105_70.GIF

GPPR3_ET-P_105_70.GIF

565 ms

101-PW-Halolux_SpotR63-de.jpg

101-PW-Halolux_SpotR63-de.jpg

376 ms

ekomi.gif

ekomi.gif

374 ms

twitter-a.png

twitter-a.png

86 ms

skypeCheck.js

skypeCheck.js

11 ms

urchin.js

urchin.js

8 ms

201867.gif

201867.gif

469 ms

893847.jpg

893847.jpg

378 ms

251951.GIF

251951.GIF

559 ms

e95.jpg

e95.jpg

377 ms

S10.gif

S10.gif

563 ms

94588.jpg

94588.jpg

471 ms

91443.jpg

91443.jpg

566 ms

799005.PNG

799005.PNG

1681 ms

517635.jpg

517635.jpg

845 ms

rayovac_orange.jpg

rayovac_orange.jpg

656 ms

200006.gif

200006.gif

650 ms

rayovac_blau.jpg

rayovac_blau.jpg

656 ms

523766.jpg

523766.jpg

845 ms

accentline.gif

accentline.gif

742 ms

corner_right.gif

corner_right.gif

750 ms

button_login.gif

button_login.gif

748 ms

OS631905.jpg

OS631905.jpg

1020 ms

stars_4.gif

stars_4.gif

841 ms

background.jpg

background.jpg

639 ms

468_en_sendreceive.gif

468_en_sendreceive.gif

731 ms

__utm.gif

__utm.gif

6 ms

Accessibility Review

bulbs.ch accessibility score

71

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bulbs.ch best practices score

83

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bulbs.ch SEO score

92

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bulbs.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Bulbs.ch main page’s claimed encoding is iso-8859-1. 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

bulbs.ch

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