sda.tech Website Information
Daily Unique Visits: 722
Daily Page Views: 1,444
Income Per Day: $4
Estimated Value: $960
sda.tech is registered under .TECH top-level domain. Please check other sites in .TECH zone.
No name server records were found.
and is probably hosted by Strato AG. See the full list of other websites hosted by Strato AG.
The highest website sda.tech position in Alexa rank database was 49726 and the lowest rank position was 999358. Current position of sda.tech in Alexa rank database is 993140.
Desktop speed score of sda.tech (29/100) is better than the results of 7.9% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of sda.tech (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed score of sda.tech (26/100) is better than the results of 7.36% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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sda.tech 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.
sda.tech 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: SDA.TECH
Registry Domain ID: D14665632-CNIC
Registrar WHOIS Server: whois.cronon.net
Registrar URL: http://www.cronon.net
Updated Date: 2024-04-24T15:01:44.0Z
Creation Date: 2016-01-21T11:16:16.0Z
Registry Expiry Date: 2025-01-21T23:59:59.0Z
Registrar: Cronon GmbH
Registrar IANA ID: 141
Domain Status: ok https://icann.org/epp#ok
Registrant Organization:
Registrant State/Province: DE
Registrant Country: DE
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: SHADES10.RZONE.DE
Name Server: DOCKS16.RZONE.DE
DNSSEC: unsigned
Billing Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registrar Abuse Contact Email: registrar-admin@cronon.net
Registrar Abuse Contact Phone: +49.30398020
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-07T06:48:52.0Z > IMPORTANT INFORMATION ABOUT THE DEPLOYMENT OF RDAP: please visit
https://www.centralnicregistry.com/support/rdap
Registry Domain ID: D14665632-CNIC
Registrar WHOIS Server: whois.cronon.net
Registrar URL: http://www.cronon.net
Updated Date: 2024-04-24T15:01:44.0Z
Creation Date: 2016-01-21T11:16:16.0Z
Registry Expiry Date: 2025-01-21T23:59:59.0Z
Registrar: Cronon GmbH
Registrar IANA ID: 141
Domain Status: ok https://icann.org/epp#ok
Registrant Organization:
Registrant State/Province: DE
Registrant Country: DE
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: SHADES10.RZONE.DE
Name Server: DOCKS16.RZONE.DE
DNSSEC: unsigned
Billing Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registrar Abuse Contact Email: registrar-admin@cronon.net
Registrar Abuse Contact Phone: +49.30398020
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-07T06:48:52.0Z > IMPORTANT INFORMATION ABOUT THE DEPLOYMENT OF RDAP: please visit
https://www.centralnicregistry.com/support/rdap
sda.tech server information
Servers Location
sda.tech desktop page speed rank
Last tested: 2018-04-22
Desktop Speed
Bad
29/100
sda.tech Desktop Speed Test Quick Summary
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priority - 46Enable compression
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priority - 15Minify JavaScript
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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 7Leverage browser caching
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priority - 1Minify CSS
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priority - 0Minify HTML
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sda.tech Desktop Resource Breakdown
| Total Resources | 44 |
| Number of Hosts | 14 |
| Static Resources | 37 |
| JavaScript Resources | 10 |
| CSS Resources | 7 |
sda.tech mobile page speed rank
Last tested: 2018-04-22
Mobile Speed
Bad
26/100
sda.tech Mobile Speed Test Quick Summary
priority - 156Optimize images
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priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 46Enable compression
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priority - 15Minify JavaScript
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priority - 11Leverage browser caching
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http://sda.tech/assets/main.css (expiration not specified)
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http://steffen-lohmann.de/img/steffen_lohmann_large.jpg (expiration not specified)
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http://sda.tech/assets/bib-publication-list.css (expiration not specified)
http://sda.tech/assets/cards.css (expiration not specified)
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https://cdn.syndication.twimg.com/timeline/profile…700&with_replies=false (5 minutes)
https://syndication.twitter.com/settings (10 minutes)
https://platform.twitter.com/widgets.js (30 minutes)
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 10.1KiB (19% reduction).
Minifying http://sda.tech/assets/main.css could save 5.5KiB (23% reduction).
Minifying http://sda.tech/assets/cards.css could save 4.6KiB (15% reduction).
Minifying http://sda.tech/assets/cards.css could save 4.6KiB (15% reduction).
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 3.1KiB (37% reduction).
Minifying http://sda.tech/ could save 3.1KiB (37% reduction) after compression.
sda.tech Mobile Resource Breakdown
| Total Resources | 44 |
| Number of Hosts | 14 |
| Static Resources | 37 |
| JavaScript Resources | 10 |
| CSS Resources | 7 |
sda.tech mobile page usability
Last tested: 2018-04-22
Mobile Usability
Good
96/100
sda.tech Mobile Usability Test Quick Summary
priority - 3Size 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 href="http://jens-lehmann.org/">Prof.Dr. Jens Lehmann</a> and 7 others are close to other tap targets.The tap target
<a href="../Person/HamedShariatYazdi">Dr. Hamed Shariat Yazdi</a> and 13 others are close to other tap targets.The tap target
<a href="https://twitte…tball?src=hash" class="PrettyLink has…g customisable">#football</a> and 25 others are close to other tap targets.The tap target
<a href="https://t.co/nKBdRUHHXu" class="link customisable">http://sda.cs.…t-eswc-2018/ …</a> and 1 others are close to other tap targets.The tap target
<button id="fa-1" class="fa fa-location-arrow fa-3x"> and 1 others are close to other tap targets.The tap target
<button id="fa-2" class="fa fa-home fa-3x"> is close to 2 other tap targets.sda.tech HTML validation
Errors
Attribute “xmlns:xlink” not allowed here.
Line: 2 Column: 16 - 61
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
Bad value “ en ” for attribute “lang” on element “html”: The language subtag “ en ” is not a valid language subtag.
Line: 2 Column: 16 - 61
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 48 Column: 7 - 55
"...--> <img class="sitelogo" src="/assets/sdalogo.png" > ..."
"...--> <img class="sitelogo" src="/assets/sdalogo.png" > ..."
No “li” element in scope but a “li” end tag seen.
Line: 4650 Column: 13 - 17
"... </li> ..."
"... </li> ..."
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Line: 4711 Column: 5 - 44
"...fab"> <div class="fa fa-plus fa-3x" id="plus"></div>..."
"...fab"> <div class="fa fa-plus fa-3x" id="plus"></div>..."
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Line: 4737 Column: 13 - 18
"... <br /> ..." Line: 4738 Column: 13 - 18
"... <br /> ..."
"... <br /> ..." Line: 4738 Column: 13 - 18
"... <br /> ..."
Warnings
Attribute with the local name “xmlns:xlink” is not serializable as XML 1.0.
Line: 2 Column: 16 - 61
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
The “banner” role is unnecessary for element “header”.
Line: 42 Column: 3 - 44
"...ooter> <header class="site-header" role="banner"> <di..."
"...ooter> <header class="site-header" role="banner"> <di..."
This document appears to be written in English but the “html” start tag has “lang=" en "”. Consider using “lang="en"” (or variant) instead.
Line: 2 Column: 16 - 61
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
"...TYPE html> <html xmlns:xlink="http://www.w3.org/1999/xlink" lang=" en "> <head..."
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sda.tech 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.
sda.tech 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.