2.6 sec in total
305 ms
2.1 sec
227 ms
Welcome to rzb.de homepage info - get ready to check RZB best content for Switzerland right away, or after learning these important things about rzb.de
Als Licht- und Leuchten-Generalist steht RZB seit über 80 Jahren verbindlich für höchsteffiziente Produkte und exzellente Lichtqualität "Made in Germany".
Visit rzb.deWe analyzed Rzb.de page load time and found that the first response time was 305 ms and then it took 2.3 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.
rzb.de performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value7.7 s
3/100
25%
Value6.0 s
46/100
10%
Value90 ms
99/100
30%
Value0.859
4/100
15%
Value7.3 s
50/100
10%
305 ms
395 ms
101 ms
285 ms
198 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 97% of them (62 requests) were addressed to the original Rzb.de, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Rzb.de.
Page size can be reduced by 584.7 kB (50%)
1.2 MB
577.3 kB
In fact, the total size of Rzb.de 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. 40% of websites need less resources to load. Javascripts take 525.8 kB which makes up the majority of the site volume.
Potential reduce by 30.2 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 30.2 kB or 81% of the original size.
Potential reduce by 46.2 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. RZB images are well optimized though.
Potential reduce by 408.9 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 408.9 kB or 78% of the original size.
Potential reduce by 99.3 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. Rzb.de needs all CSS files to be minified and compressed as it can save up to 99.3 kB or 85% of the original size.
Number of requests can be reduced by 18 (29%)
62
44
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RZB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
rzb.de
305 ms
www.rzb.de
395 ms
stylesheet_5672f6a5a4.css
101 ms
style.css
285 ms
mobile.css
198 ms
jquery-1.7.1.min.js
490 ms
jquery.jqtransform.js
308 ms
jquery-ui-1.8.16.custom.js
674 ms
plugins.js
483 ms
script.js
380 ms
teaser-innenleuchten.jpg
368 ms
teaser-aussenleuchten_02.jpg
370 ms
IMG_0142_198x80_01.jpg
461 ms
lichtmanagementsystem-lightcontrol_3-de-web-198x80_05.jpg
553 ms
small-image-sicherheitsleuchten.jpg
476 ms
teaser-design-awards_01.jpg
552 ms
anwendung-buero.jpg
573 ms
anwendung-shop.jpg
574 ms
teaser-wellness.jpg
581 ms
anwendung-bildung.jpg
642 ms
teaser-portrait.jpg
642 ms
teaser-qualitaet.jpg
751 ms
product-design-teaser.jpg
752 ms
teaser-support_12.jpg
752 ms
teaser-kataloge.jpg
753 ms
teaser-lichtplanung.jpg
755 ms
e92f6c561d.jpg
760 ms
79494a7e0d.jpg
764 ms
6343bfce20.jpg
765 ms
projekt.jpg
776 ms
anwendung-buero_01.jpg
824 ms
IMG_0142_198x80_11.jpg
825 ms
teaser-wellness_02.jpg
856 ms
anwendung-bildung_04.jpg
863 ms
LED-Hallentiefstrahler-Industrial-Hall-RZB-Banner_974x555_01.jpg
862 ms
Feuchtraumleuchte-Planox-LED-Tube-ECO-974x555-Banner.jpg
876 ms
Raster-deckeneinbauleuchten-Sonis-RZB_2_974x555.jpg
1007 ms
LED-Einbau-Downlight-Toledo-Flat_Banner_974x555.jpg
1007 ms
LED-Linearsystem_less-is-more-Banner-startseite_974x555.jpg
881 ms
PD2015_rd_cmyk_70x50.jpg
785 ms
GDA16_HO_WINNER_RGB_70x50_2.jpg
668 ms
Lightstream_LED_Banner_974x280.jpg
685 ms
Kategorienbanner_198x80---mit-Text-deutsch.jpg
697 ms
Kategorienbild_LESS-is-more.jpg
700 ms
logo-rzb-leuchten.png
694 ms
header-background.jpg
627 ms
search.gif
636 ms
header-colors.png
635 ms
analytics.js
20 ms
facebook.png
657 ms
collect
24 ms
google.png
612 ms
linkedin.png
613 ms
xing.png
614 ms
youtube.png
628 ms
pinterest.png
622 ms
header-meta.gif
612 ms
worldwide.png
615 ms
main-back.jpg
508 ms
button-left.png
531 ms
button-right.png
538 ms
button-arrow.png
538 ms
select-left.png
597 ms
select-right.png
595 ms
rzb.de accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Links do not have a discernible name
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
rzb.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
rzb.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rzb.de 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 Rzb.de 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.
rzb.de
Open Graph description is not detected on the main page of RZB. 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: