4.3 sec in total
368 ms
3.7 sec
217 ms
Click here to check amazing R Zs content for Germany. Otherwise, check out these important facts you probably never knew about r-zs.de
Our Industrial Buildings and Marquees – Engineered in Germany – can be used as a temporary solution, but they are far more than that.
Visit r-zs.deWe analyzed R-zs.de page load time and found that the first response time was 368 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
r-zs.de performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value13.9 s
0/100
25%
Value7.6 s
25/100
10%
Value850 ms
34/100
30%
Value0.888
3/100
15%
Value10.5 s
23/100
10%
368 ms
382 ms
558 ms
337 ms
330 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 7% of them (3 requests) were addressed to the original R-zs.de, 67% (31 requests) were made to Roder.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Roder.com.
Page size can be reduced by 721.2 kB (33%)
2.2 MB
1.5 MB
In fact, the total size of R-zs.de 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 21.5 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 3.1 kB, which is 11% 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 21.5 kB or 76% of the original size.
Potential reduce by 30.2 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. R Zs images are well optimized though.
Potential reduce by 422.8 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 422.8 kB or 72% of the original size.
Potential reduce by 246.7 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. R-zs.de needs all CSS files to be minified and compressed as it can save up to 246.7 kB or 83% of the original size.
Number of requests can be reduced by 11 (28%)
40
29
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of R Zs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
r-zs.de
368 ms
www.r-zs.de
382 ms
558 ms
stylesheet_4562f14dd1.css
337 ms
style.css
330 ms
jquery.fancybox.css
224 ms
jquery-1.6.4.js
761 ms
jquery.tools.min.js
445 ms
jquery.fancybox.pack.js
420 ms
css
23 ms
analytics.js
45 ms
header_border.gif
221 ms
lang_map.png
220 ms
logo.gif
221 ms
ROEDER_Homepage_Header_Banner_DEU_1050x300.jpg
588 ms
ROEDER_Homepage_Header_Banner_DEU_Barbie_Dreamhause_1050x300.jpg
717 ms
ROEDER_Homepage_Header_Banner_DEU_equitent_1050x300.jpg
784 ms
ROEDER_Homepage_Header_Banner_DEU_Frankenbrunnen_1050x300.jpg
771 ms
ROEDER_Homepage_Header_Banner_DEU_INNOSCENE_1050x300.jpg
889 ms
ROEDER_Homepage_Header_Banner_DEU_mb_Sternstunden_1050x300.jpg
1011 ms
ROEDER_Homepage_Header_Banner_DEU_Sany_1050x300.jpg
1259 ms
ROEDER_Imagefilm_Thumb.jpg
1046 ms
3.jpg
1095 ms
Linde.jpg
1114 ms
csm_Header_tower_af0583cc70.jpg
1095 ms
csm_Header_Kassettenfussboden_3bc0275f45.jpg
1221 ms
Fluechtlingsteaser.jpg
1360 ms
csm_QMS_Siegel_03c46b07ac.png
1414 ms
top_link1.jpg
1426 ms
top_link2.jpg
1437 ms
top_link3.jpg
1547 ms
icon_down.gif
1474 ms
social1.gif
1578 ms
social2.gif
1637 ms
RzoNiRR1p2Mqyyz2RwqSMw.woff
30 ms
785 ms
piwik.js
333 ms
collect
25 ms
85lSw19B6kc
115 ms
www-embed-player-vflRGs1ko.css
71 ms
www-embed-player.js
96 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
36 ms
ad_status.js
73 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
115 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
115 ms
icon_up.gif
1254 ms
r-zs.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
r-zs.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
Missing source maps for large first-party JavaScript
r-zs.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Document doesn't have a valid hreflang
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
EN
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise R-zs.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that R-zs.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.
r-zs.de
Open Graph description is not detected on the main page of R Zs. 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: