11.3 sec in total
434 ms
10.6 sec
240 ms
Welcome to karlstorz.com homepage info - get ready to check KARL STORZ best content for United States right away, or after learning these important things about karlstorz.com
| KARL STORZ | United States
Visit karlstorz.comWe analyzed Karlstorz.com page load time and found that the first response time was 434 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
karlstorz.com performance score
name
value
score
weighting
Value10.3 s
0/100
10%
Value12.1 s
0/100
25%
Value15.2 s
1/100
10%
Value140 ms
96/100
30%
Value0.156
74/100
15%
Value24.9 s
0/100
10%
434 ms
5768 ms
456 ms
716 ms
1614 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 86% of them (30 requests) were addressed to the original Karlstorz.com, 9% (3 requests) were made to Etracker.de and 3% (1 request) were made to Static.etracker.com. The less responsive or slowest element that took the longest time to load (5.8 sec) belongs to the original domain Karlstorz.com.
Page size can be reduced by 670.1 kB (43%)
1.6 MB
884.5 kB
In fact, the total size of Karlstorz.com main page is 1.6 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. 15% of websites need less resources to load. Images take 684.1 kB which makes up the majority of the site volume.
Potential reduce by 62.5 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 22.0 kB, which is 31% 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 62.5 kB or 88% of the original size.
Potential reduce by 43.5 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. KARL STORZ images are well optimized though.
Potential reduce by 332.7 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 332.7 kB or 63% of the original size.
Potential reduce by 231.5 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. Karlstorz.com needs all CSS files to be minified and compressed as it can save up to 231.5 kB or 86% of the original size.
Number of requests can be reduced by 5 (19%)
27
22
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KARL STORZ. 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.
karlstorz.com
434 ms
www.karlstorz.com
5768 ms
index.htm
456 ms
screen.css
716 ms
functions.js
1614 ms
e.js
394 ms
bcf54343-d033-41ee-bbd7-2b77df3fe7ba.woff
367 ms
14ff6081-326d-4dae-b778-d7afa66166fc.woff
734 ms
jquery-1.8.3.min.js
659 ms
549 ms
t.js
578 ms
logo_karlstorz_de.png
194 ms
sprite_design.png
1103 ms
3347267_rdax_80.jpg
1886 ms
bg_ffffff_60.png
549 ms
3347036_rdax_1140x380_70.jpg
1275 ms
3347355_rdax_70.jpg
1093 ms
3348798_rdax_70.jpg
1004 ms
icon_katalog.png
1043 ms
icon_mediathek.png
1184 ms
icon_service.png
1229 ms
icon_karriere.png
1269 ms
3347434_rdax_350x197_70.jpg
1458 ms
ig_rdax_70.jpg
1365 ms
3341439_rdax_350x197_70.jpg
1944 ms
3333699_rdax_350x197_70.jpg
1452 ms
zitat_ol.png
1459 ms
zitat_ur.png
1552 ms
3343170_rdax_350x197_70.jpg
1817 ms
3333689_rdax_350x197_70.jpg
2008 ms
icon_global_compact.png
1648 ms
530dee22-e3c1-4e9f-bf62-c31d510d9656.woff
2282 ms
glyphicons-halflings-regular.woff
2013 ms
60be5c39-863e-40cb-9434-6ebafb62ab2b.woff
2000 ms
cnt_js.php
137 ms
karlstorz.com 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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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.
karlstorz.com 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
Missing source maps for large first-party JavaScript
karlstorz.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Karlstorz.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Karlstorz.com 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.
karlstorz.com
Open Graph description is not detected on the main page of KARL STORZ. 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: