2.5 sec in total
259 ms
2 sec
180 ms
Visit otto-zimmermann.de now to see the best up-to-date Otto Zimmermann content for Russia and also check out these interesting facts you probably never knew about otto-zimmermann.de
Visit otto-zimmermann.deWe analyzed Otto-zimmermann.de page load time and found that the first response time was 259 ms and then it took 2.2 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.
otto-zimmermann.de performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value9.5 s
0/100
25%
Value8.9 s
15/100
10%
Value50 ms
100/100
30%
Value1.049
2/100
15%
Value8.6 s
37/100
10%
259 ms
275 ms
376 ms
133 ms
484 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Otto-zimmermann.de, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (766 ms) belongs to the original domain Otto-zimmermann.de.
Page size can be reduced by 155.0 kB (13%)
1.2 MB
1.1 MB
In fact, the total size of Otto-zimmermann.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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 5.0 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 5.0 kB or 67% of the original size.
Potential reduce by 83.2 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. Otto Zimmermann images are well optimized though.
Potential reduce by 54.2 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 54.2 kB or 55% of the original size.
Potential reduce by 12.6 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. Otto-zimmermann.de needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 78% of the original size.
Number of requests can be reduced by 3 (10%)
29
26
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otto Zimmermann. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
otto-zimmermann.de
259 ms
www.otto-zimmermann.de
275 ms
376 ms
screen.css
133 ms
jquery-1.4.2.min.js
484 ms
jquery.jshowoff.min.js
195 ms
domscript.js
196 ms
reset.css
115 ms
flag_de.png
117 ms
flag_en.png
100 ms
flag_fr.png
99 ms
flag_ru.png
115 ms
flag_pl.png
191 ms
flag_it.png
196 ms
flag_zh.png
198 ms
bg_navbar.png
232 ms
logo.png
230 ms
bg_maintop.png
294 ms
bg_teaser.png
292 ms
Teaser%20Heidelberg.JPG
764 ms
bg_desc.png
346 ms
Schirm_teaser.jpg
714 ms
Nachhaltigkeit_teaser.jpg
611 ms
Kinder_teaser.JPG
668 ms
bg_main.png
390 ms
bg_h2_badge.png
457 ms
Karch-02_Hardy-Elis_kl.jpg
766 ms
bg_h3_logo.png
572 ms
bg_footer.png
686 ms
ga.js
25 ms
__utm.gif
24 ms
print.css
116 ms
otto-zimmermann.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.
otto-zimmermann.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
otto-zimmermann.de SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otto-zimmermann.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Otto-zimmermann.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.
otto-zimmermann.de
Open Graph description is not detected on the main page of Otto Zimmermann. 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: