ZEISS.COM ZEISS Group

zeiss.com Website Information

Daily Unique Visits: 254,105

Daily Page Views: 2,032,840

Income Per Day: $2,033

Estimated Value: $2,195,640

This website is located in Germany and is using following IP address 83.125.118.130. See the complete list of popular websites hosted in Germany.

zeiss.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website zeiss.com is using the following name servers:

  • auth02.ns.de.uu.net
  • auth52.ns.de.uu.net

and is probably hosted by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US. See the full list of other websites hosted by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US.

The highest website zeiss.com position in Alexa rank database was 5935 and the lowest rank position was 6886. Current position of zeiss.com in Alexa rank database is 5997.

Desktop speed score of zeiss.com (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of zeiss.com (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of zeiss.com (51/100) is better than the results of 35.73% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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zeiss.com Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


zeiss.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: ZEISS.COM
Registry Domain ID: 2228790_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2024-09-11T12:49:13Z
Creation Date: 1995-03-21T05:00:00Z
Registry Expiry Date: 2025-03-22T04:00:00Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: A1-232.AKAM.NET
Name Server: A13-66.AKAM.NET
Name Server: A18-66.AKAM.NET
Name Server: A26-67.AKAM.NET
Name Server: A7-64.AKAM.NET
Name Server: A8-64.AKAM.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-13T06:06:50Z

zeiss.com server information

Servers Location

zeiss.com desktop page speed rank

Last tested: 2018-05-06


Desktop Speed Medium
72/100

zeiss.com Desktop Speed Test Quick Summary


priority - 24Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 229.8KiB (60% reduction).

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priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.zeiss.com/docroot/zeiss-common/js/tracking.js

Optimize CSS Delivery of the following:

https://www.zeiss.com/docroot/zeiss-common/css/common.css
https://www.zeiss.com/docroot/zeiss-common/css/domino.css

priority - 4Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.googletagmanager.com/gtm.js?id=GTM-N6TBD7G (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WWQQS7V (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.zeiss.com/docroot/zeiss-common/css/common.css (24 hours)
https://www.zeiss.com/docroot/zeiss-common/css/domino.css (24 hours)
https://www.zeiss.com/docroot/zeiss-common/css/print.css (24 hours)
https://www.zeiss.com/docroot/zeiss-common/js/common.js (24 hours)
https://www.zeiss.com/docroot/zeiss-common/js/domino.js (24 hours)
https://www.zeiss.com/docroot/zeiss-common/js/tracking.js (24 hours)

priority - 3Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://zeiss.com/
https://www.zeiss.com/
https://www.zeiss.com/corporate/int/home.html

priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 68% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 4.5KiB (21% reduction).

Minifying https://www.zeiss.com/corporate/int/home.navigation-mobile-snippet.html could save 1.8KiB (28% reduction) after compression.
Minifying https://www.zeiss.com/corporate/int/home.navigation-oc-mobile-snippet.html could save 1.6KiB (26% reduction) after compression.
Minifying https://www.zeiss.com/corporate/int/home.html could save 1.1KiB (13% reduction) after compression.

zeiss.com Desktop Resource Breakdown

Total Resources42
Number of Hosts8
Static Resources24
JavaScript Resources14
CSS Resources3

zeiss.com mobile page speed rank

Last tested: 2018-02-04


Mobile Speed Bad
51/100

zeiss.com Mobile Speed Test Quick Summary


priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.zeiss.com/docroot/zeiss-common/js/tracking.js
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…5c2bab3b0ee1a03ebb2.js

Optimize CSS Delivery of the following:

https://www.zeiss.com/docroot/zeiss-common/css/common.css
https://www.zeiss.com/docroot/zeiss-common/css/domino.css

priority - 38Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 371.6KiB (64% reduction).

Compressing https://www.zeiss.com/corporate/int/home/j/s/stage…conference_blended.jpg could save 78.2KiB (58% reduction).
Compressing https://www.zeiss.com/corporate/int/home/j/s/stage…iest-flowers-stage.jpg could save 75.2KiB (59% reduction).
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Compressing https://www.zeiss.com/corporate/int/home/j/m/texti…r-day-weltkrebstag.jpg could save 45.2KiB (71% reduction).
Compressing https://www.zeiss.com/content/dam/Corporate/fwv/im…weltkrebstag-thumb.jpg could save 25.4KiB (92% reduction).
Compressing https://www.zeiss.com/corporate/int/home/j/m/texti…ss_symposium_stage.jpg could save 14.2KiB (65% reduction).
Compressing https://www.zeiss.com/content/dam/Corporate/fwv/im…erence_stage_thumb.jpg could save 1.5KiB (40% reduction).
Compressing https://www.zeiss.com/content/dam/Corporate/fwv/im…iest-flowers-thumb.jpg could save 1.1KiB (29% reduction).
Compressing https://www.zeiss.com/content/dam/Corporate/fwv/im…ntum-physics-thumb.jpg could save 1,023B (40% reduction).
Compressing https://www.zeiss.com/docroot/components/page_head…lags/flag-icon-INT.png could save 303B (29% reduction).

priority - 10Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://zeiss.com/
https://www.zeiss.com/
https://www.zeiss.com/corporate/int/home.html

priority - 9Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.zeiss.com/bin/zeiss/servlets/countrysw…ite/en_de/desktop/home (5 minutes)
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…5c2bab3b0ee1a03ebb2.js (60 minutes)
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…42864746d6e4000a370.js (60 minutes)
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…42864746d6e4000a386.js (60 minutes)
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…42864746d6e4000a39c.js (60 minutes)
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…75664746d516b0040a4.js (60 minutes)
https://assets.adobedtm.com/4e04df42037e10d12b0e8b…79a64746d516b0040ba.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.zeiss.com/docroot/zeiss-common/css/common.css (24 hours)
https://www.zeiss.com/docroot/zeiss-common/css/domino.css (24 hours)
https://www.zeiss.com/docroot/zeiss-common/css/print.css (24 hours)
https://www.zeiss.com/docroot/zeiss-common/js/common.js (24 hours)
https://www.zeiss.com/docroot/zeiss-common/js/domino.js (24 hours)
https://www.zeiss.com/docroot/zeiss-common/js/tracking.js (24 hours)

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 51% of the final above-the-fold content could be rendered with the full HTML response.

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 4.4KiB (21% reduction).

Minifying https://www.zeiss.com/corporate/int/home.navigation-mobile-snippet.html could save 1.7KiB (28% reduction) after compression.
Minifying https://www.zeiss.com/corporate/int/home.navigation-oc-mobile-snippet.html could save 1.6KiB (26% reduction) after compression.
Minifying https://www.zeiss.com/corporate/int/home.html could save 1.1KiB (13% reduction) after compression.

zeiss.com Mobile Resource Breakdown

Total Resources45
Number of Hosts5
Static Resources27
JavaScript Resources12
CSS Resources3

zeiss.com mobile page usability

Last tested: 2018-02-04


Mobile Usability Good
99/100

zeiss.com Mobile Usability Test Quick Summary


priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a class="close-language-hint"></a> is close to 1 other tap targets.

The tap target <a href="https://stories.zeiss.com/en/" class="nolinkrewrite">ZEISS Stories</a> is close to 1 other tap targets.

zeiss.com HTML validation

Errors

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 26 Column: 1 - 49
"...ariums"/> <meta http-equiv="content-language" content="en"> ..."

Bad value “true” for attribute “async” on element “script”.

Line: 64 Column: 1 - 133
"... <script type="text/javascript" src="/etc/designs/zeiss-corporate/cp3/clientlibmain.a7c237af7a9de22edbe7c5040523b5cc.js" async="true"></scri..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 254 Column: - 1317
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Element “source” is missing required attribute “src”.

Line: 5109 Column: 9 - 105
"...> <source data-lazy-src="/content/dam/corporate-new/homepage/media/earthrise.mp4" type="video/mp4"> <..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 64 Column: 1 - 133
"... <script type="text/javascript" src="/etc/designs/zeiss-corporate/cp3/clientlibmain.a7c237af7a9de22edbe7c5040523b5cc.js" async="true"></scri..." Line: 69 Column: 1 - 31
"...> <script type="text/javascript">CQURLI..." Line: 79 Column: 1 - 31
"... <script type="text/javascript">CQURLI..." Line: 80 Column: 1 - 116
"...</script> <script type="text/javascript" src="/etc/designs/zeiss-corporate/cp3/clientlib.5f48232f6bbfc4b92ec4bfb1c11c7612.js"></scri..." Line: 122 Column: 5 - 35
"... <script type="text/javascript"> ..." Line: 129 Column: 9 - 39
"... <script type="text/javascript">(funct..." Line: 6943 Column: 9 - 176
"...> <script async="async" type="text/javascript" src="//consent.truste.com/notice?domain=zeiss.com&c=teconsent&cdn=1&country=de&language=en&text=true&pcookie&gtm=1"></script> ..."

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zeiss.com Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


zeiss.com TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.