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led-treiber.de screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

led-treiber.de

LEDs Home

Page Load Speed

1.5 sec in total

First Response

327 ms

Resources Loaded

862 ms

Page Rendered

303 ms

led-treiber.de screenshot

About Website

Welcome to led-treiber.de homepage info - get ready to check Led Treiber best content for Germany right away, or after learning these important things about led-treiber.de

LED-Treiber, Schaltungen und Schaltplaene, Software, Grundlagen. LED driver circuits, schematics and configuration software for linear and switched mode LED drivers. AVR software

Visit led-treiber.de

Key Findings

We analyzed Led-treiber.de page load time and found that the first response time was 327 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 20% of websites can load faster.

Performance Metrics

led-treiber.de performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

95/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

led-treiber.de

327 ms

rollover.js

109 ms

fusion.css

210 ms

style.css

214 ms

site.css

213 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 96% of them (22 requests) were addressed to the original Led-treiber.de, 4% (1 request) were made to Webcounter.goweb.de. The less responsive or slowest element that took the longest time to load (410 ms) belongs to the original domain Led-treiber.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.4 kB (75%)

Content Size

59.2 kB

After Optimization

14.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Led-treiber.de main page is 59.2 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. Only 10% of websites need less resources to load. HTML takes 27.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 22.5 kB

  • Original 27.7 kB
  • After minification 23.0 kB
  • After compression 5.3 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. This page needs HTML code to be minified as it can gain 4.8 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.5 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 239 B

  • Original 3.3 kB
  • After minification 3.1 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. Led Treiber images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 16.0 kB

  • Original 21.1 kB
  • After minification 21.1 kB
  • After compression 5.1 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 16.0 kB or 76% of the original size.

CSS Optimization

-82%

Potential reduce by 5.8 kB

  • Original 7.1 kB
  • After minification 5.0 kB
  • After compression 1.3 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. Led-treiber.de needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Led Treiber. According to our analytics all requests are already optimized.

Network Requests Diagram

led-treiber.de

led-treiber.de

327 ms

rollover.js

rollover.js

109 ms

fusion.css

fusion.css

210 ms

style.css

style.css

214 ms

site.css

site.css

213 ms

8754.GIF

8754.GIF

294 ms

clearpixel.gif

clearpixel.gif

106 ms

LED-Treiber.de-bringt--alle-LENLuxeon_Banner_Sonne.gif

LED-Treiber.de-bringt--alle-LENLuxeon_Banner_Sonne.gif

301 ms

LEDs-Home_Hbuts1_1.gif

LEDs-Home_Hbuts1_1.gif

199 ms

LEDs-Grundlagen_Nbuts_1.gif

LEDs-Grundlagen_Nbuts_1.gif

200 ms

LEDs-Treiber_Nbuts_1.gif

LEDs-Treiber_Nbuts_1.gif

208 ms

LEDs-Fader_Nbuts_1.gif

LEDs-Fader_Nbuts_1.gif

208 ms

LEDs-Blinker_Nbuts_1.gif

LEDs-Blinker_Nbuts_1.gif

208 ms

LEDs-off_Nbuts_1.gif

LEDs-off_Nbuts_1.gif

301 ms

LEDs-fetz_Nbuts_1.gif

LEDs-fetz_Nbuts_1.gif

300 ms

LEDs-Downloads_Nbuts_1.gif

LEDs-Downloads_Nbuts_1.gif

308 ms

LEDs-Links_Nbuts_1.gif

LEDs-Links_Nbuts_1.gif

309 ms

LEDs-Design_Nbuts_1.gif

LEDs-Design_Nbuts_1.gif

309 ms

LEDs-Archiv_Nbuts_1.gif

LEDs-Archiv_Nbuts_1.gif

400 ms

LEDs-Kontakt_Nbuts_1.gif

LEDs-Kontakt_Nbuts_1.gif

402 ms

ReLED_eMail.gif

ReLED_eMail.gif

402 ms

Widerstand-Toleranz.gif

Widerstand-Toleranz.gif

410 ms

LEDklar.jpg

LEDklar.jpg

319 ms

Accessibility Review

led-treiber.de accessibility score

85

Accessibility Issues

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

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

led-treiber.de 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

led-treiber.de SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Led-treiber.de 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 Led-treiber.de 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

led-treiber.de

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