sdsc.edu Website Information
Daily Unique Visits: 100,366
Daily Page Views: 602,196
Income Per Day: $1,204
Estimated Value: $866,880
This website is located in United States and is using following IP address 132.249.21.111. See the complete list of popular websites hosted in United States.
sdsc.edu is registered under .EDU top-level domain. Please check other sites in .EDU zone.
Website sdsc.edu is using the following name servers:
- ns1.sdsc.edu
- dns2.itd.umich.edu
- ns1.ucsd.edu
- ns0.sdsc.edu
and is probably hosted by SDSC-AS - San Diego Supercomputer Center, US. See the full list of other websites hosted by SDSC-AS - San Diego Supercomputer Center, US.
The highest website sdsc.edu position in Alexa rank database was 13628 and the lowest rank position was 990658. Current position of sdsc.edu in Alexa rank database is 14290.
Desktop speed score of sdsc.edu (48/100) is better than the results of 21.82% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of sdsc.edu (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 sdsc.edu (40/100) is better than the results of 18.97% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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sdsc.edu 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.
sdsc.edu whois
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This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: SDSC.EDU
Registrant:
San Diego Supercomputer Center
University of California - San Diego
9500 Gilman Drive; MS-0505
La Jolla, CA 92093-0505
USA
Administrative Contact:
Hostmaster Admin
San Diego Supercomputer Center @ UCSD
9500 Gilman Drive
MS-0505
La Jolla, CA 92093-0505
USA
+1.8585345090
hostmaster@sdsc.edu
Technical Contact:
Dan Herman
San Diego Supercomputer Center @ UCSD
9500 Gilman Drive
MS-0505
La Jolla, CA 92093-0505
USA
+1.8585345000
diherman@ucsd.edu
Name Servers:
NS0.SDSC.EDU
NS1.UCSD.EDU
NS1.SDSC.EDU
Domain record activated: 26-Mar-1987
Domain record last updated: 23-May-2024
Domain expires: 31-Jul-2025
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: SDSC.EDU
Registrant:
San Diego Supercomputer Center
University of California - San Diego
9500 Gilman Drive; MS-0505
La Jolla, CA 92093-0505
USA
Administrative Contact:
Hostmaster Admin
San Diego Supercomputer Center @ UCSD
9500 Gilman Drive
MS-0505
La Jolla, CA 92093-0505
USA
+1.8585345090
hostmaster@sdsc.edu
Technical Contact:
Dan Herman
San Diego Supercomputer Center @ UCSD
9500 Gilman Drive
MS-0505
La Jolla, CA 92093-0505
USA
+1.8585345000
diherman@ucsd.edu
Name Servers:
NS0.SDSC.EDU
NS1.UCSD.EDU
NS1.SDSC.EDU
Domain record activated: 26-Mar-1987
Domain record last updated: 23-May-2024
Domain expires: 31-Jul-2025
sdsc.edu server information
Servers Location
sdsc.edu desktop page speed rank
Last tested: 2018-06-25
Desktop Speed
Bad
48/100
sdsc.edu Desktop Speed Test Quick Summary
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priority - 17Leverage browser caching
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priority - 16Minify JavaScript
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priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://www.sdsc.edu/assets/css/sdsc-bxslider.css
priority - 2Minify CSS
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sdsc.edu Desktop Resource Breakdown
| Total Resources | 51 |
| Number of Hosts | 9 |
| Static Resources | 41 |
| JavaScript Resources | 11 |
| CSS Resources | 5 |
sdsc.edu mobile page speed rank
Last tested: 2018-06-25
Mobile Speed
Bad
40/100
sdsc.edu Mobile Speed Test Quick Summary
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priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.sdsc.edu/assets/scripts/respond.min.js
Optimize CSS Delivery of the following:
https://www.sdsc.edu/assets/css/sdsc-bxslider.css
https://www.sdsc.edu/assets/css/common_clean.css
http://fonts.googleapis.com/css?family=Tauri
https://www.sdsc.edu/assets/css/common_clean.css
http://fonts.googleapis.com/css?family=Tauri
priority - 31Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 298.9KiB (72% reduction).
Compressing https://www.sdsc.edu/assets/scripts/jquery-1.11.2.js could save 203.9KiB (70% reduction).
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Compressing https://www.sdsc.edu/assets/scripts/respond.min.js could save 2KiB (49% reduction).
priority - 26Leverage 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.sdsc.edu/assets/css/common_clean.css (expiration not specified)
https://www.sdsc.edu/assets/css/sdsc-bxslider.css (expiration not specified)
https://www.sdsc.edu/assets/images/bg-callout.png (expiration not specified)
https://www.sdsc.edu/assets/images/bg-sprite-24.png (expiration not specified)
https://www.sdsc.edu/assets/images/btn-donate.png (expiration not specified)
https://www.sdsc.edu/assets/images/bx_loader.gif (expiration not specified)
https://www.sdsc.edu/assets/images/image-dashboard.png (expiration not specified)
https://www.sdsc.edu/assets/images/logo-white.png (expiration not specified)
https://www.sdsc.edu/assets/images/logos/sdsclogo-plusname-horiz-red.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…08_industry_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…_DNA_repair_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…-simulation_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…age_network_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…umbs/AltintasIlkay.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…mbs/DhamdhereAmogh.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/GoetzAndreas.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…umbs/GuptaAmarnath.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/MajumdarAmit.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/MillerMark.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/NormanMike.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…umbs/PfeifferWayne.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/SinkovitsBob.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…ilkins-Diehr_Nancy.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…s/Wuerthwein_Frank.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…mbs/Zaslavsky_Ilya.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/ucsd-logo-white.png (expiration not specified)
https://www.sdsc.edu/assets/scripts/bxslider.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/common.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/jquery-1.11.2.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/jquery.bxslider.min.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/respond.min.js (expiration not specified)
https://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://www.google.com/jsapi (60 minutes)
https://www.google.com/jsapi?autoload=%7B%22module…22%3A%22en%22%7D%5D%7D (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.sdsc.edu/assets/css/sdsc-bxslider.css (expiration not specified)
https://www.sdsc.edu/assets/images/bg-callout.png (expiration not specified)
https://www.sdsc.edu/assets/images/bg-sprite-24.png (expiration not specified)
https://www.sdsc.edu/assets/images/btn-donate.png (expiration not specified)
https://www.sdsc.edu/assets/images/bx_loader.gif (expiration not specified)
https://www.sdsc.edu/assets/images/image-dashboard.png (expiration not specified)
https://www.sdsc.edu/assets/images/logo-white.png (expiration not specified)
https://www.sdsc.edu/assets/images/logos/sdsclogo-plusname-horiz-red.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…08_industry_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…_DNA_repair_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…-simulation_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/news_items/PR20…age_network_banner.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…umbs/AltintasIlkay.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…mbs/DhamdhereAmogh.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/GoetzAndreas.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…umbs/GuptaAmarnath.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/MajumdarAmit.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/MillerMark.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/NormanMike.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…umbs/PfeifferWayne.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/smallthumbs/SinkovitsBob.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…ilkins-Diehr_Nancy.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…s/Wuerthwein_Frank.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/researchers/sma…mbs/Zaslavsky_Ilya.jpg (expiration not specified)
https://www.sdsc.edu/assets/images/ucsd-logo-white.png (expiration not specified)
https://www.sdsc.edu/assets/scripts/bxslider.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/common.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/jquery-1.11.2.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/jquery.bxslider.min.js (expiration not specified)
https://www.sdsc.edu/assets/scripts/respond.min.js (expiration not specified)
https://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://www.google.com/jsapi (60 minutes)
https://www.google.com/jsapi?autoload=%7B%22module…22%3A%22en%22%7D%5D%7D (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 16Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 155.3KiB (50% reduction).
Minifying https://www.sdsc.edu/assets/scripts/jquery-1.11.2.js could save 142.1KiB (50% reduction).
Minifying https://www.sdsc.edu/assets/scripts/common.js could save 12.8KiB (55% reduction).
Minifying https://www.sdsc.edu/assets/scripts/respond.min.js could save 433B (11% reduction).
Minifying https://www.sdsc.edu/assets/scripts/common.js could save 12.8KiB (55% reduction).
Minifying https://www.sdsc.edu/assets/scripts/respond.min.js could save 433B (11% reduction).
priority - 2Minify 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 19.4KiB (30% reduction).
Minifying https://www.sdsc.edu/assets/css/common_clean.css could save 12.8KiB (27% reduction).
Minifying https://www.google.com/uds/api/search/1.0/4aa07721…f2bca15/default+en.css could save 3.9KiB (40% reduction) after compression.
Minifying https://www.sdsc.edu/assets/css/sdsc-bxslider.css could save 2.2KiB (45% reduction).
Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 578B (19% reduction) after compression.
Minifying https://www.google.com/uds/api/search/1.0/4aa07721…f2bca15/default+en.css could save 3.9KiB (40% reduction) after compression.
Minifying https://www.sdsc.edu/assets/css/sdsc-bxslider.css could save 2.2KiB (45% reduction).
Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 578B (19% reduction) after compression.
sdsc.edu Mobile Resource Breakdown
| Total Resources | 48 |
| Number of Hosts | 9 |
| Static Resources | 39 |
| JavaScript Resources | 11 |
| CSS Resources | 5 |
sdsc.edu mobile page usability
Last tested: 2018-06-25
Mobile Usability
Good
99/100
sdsc.edu 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
<li></li> and 3 others are close to other tap targets.sdsc.edu HTML validation
Errors
Bad value “heading” for attribute “role” on element “header”.
Line: 24 Column: 24 - 46
"...Header --><header role="heading"><!-- P..."
"...Header --><header role="heading"><!-- P..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 24 Column: 66 - 144
"...t Logo --><img id="printlogo" src="assets/images/logos/sdsclogo-plusname-horiz-red.jpg"/> <div ..."
"...t Logo --><img id="printlogo" src="assets/images/logos/sdsclogo-plusname-horiz-red.jpg"/> <div ..."
Bad value “News Items/PR20171204_GB_Earthquake_Code.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Line: 173 Column: 389 - 479
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..."
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..."
Duplicate ID “slider-button”.
Line: 173 Column: 914 - 1000
"...s</strong><a data-button="1" href="News Items/PR20171113_hpcwire_awards.html" id="slider-button">Learn ..." Line: 173 Column: 1466 - 1547
"...;</strong><a data-button="1" href="News Items/PR20171101_caida_dos.html" id="slider-button">Learn ..." Line: 173 Column: 1992 - 2072
"...t</strong><a data-button="1" href="News Items/PR20171030_Sherlock.html" id="slider-button">Learn ..."
"...s</strong><a data-button="1" href="News Items/PR20171113_hpcwire_awards.html" id="slider-button">Learn ..." Line: 173 Column: 1466 - 1547
"...;</strong><a data-button="1" href="News Items/PR20171101_caida_dos.html" id="slider-button">Learn ..." Line: 173 Column: 1992 - 2072
"...t</strong><a data-button="1" href="News Items/PR20171030_Sherlock.html" id="slider-button">Learn ..."
Bad value “News Items/PR20171113_hpcwire_awards.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Line: 173 Column: 914 - 1000
"...s</strong><a data-button="1" href="News Items/PR20171113_hpcwire_awards.html" id="slider-button">Learn ..."
"...s</strong><a data-button="1" href="News Items/PR20171113_hpcwire_awards.html" id="slider-button">Learn ..."
Bad value “News Items/PR20171101_caida_dos.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Line: 173 Column: 1466 - 1547
"...;</strong><a data-button="1" href="News Items/PR20171101_caida_dos.html" id="slider-button">Learn ..."
"...;</strong><a data-button="1" href="News Items/PR20171101_caida_dos.html" id="slider-button">Learn ..."
Bad value “News Items/PR20171030_Sherlock.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Line: 173 Column: 1992 - 2072
"...t</strong><a data-button="1" href="News Items/PR20171030_Sherlock.html" id="slider-button">Learn ..."
"...t</strong><a data-button="1" href="News Items/PR20171030_Sherlock.html" id="slider-button">Learn ..."
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Line: 300 Column: 178 - 202
"...potlight"><ul class="list-events"/></div>..."
"...potlight"><ul class="list-events"/></div>..."
End tag “div” seen, but there were open elements.
Line: 300 Column: 203 - 208
"...-events"/></div> ..."
"...-events"/></div> ..."
Unclosed element “ul”.
Line: 300 Column: 178 - 202
"...potlight"><ul class="list-events"/></div>..."
"...potlight"><ul class="list-events"/></div>..."
Warnings
The “navigation” role is unnecessary for element “nav”.
Line: 47 Column: 1 - 23
"...t> </div> <nav role="navigation"> <p da..." Line: 49 Column: 7 - 29
".../p> </nav><nav role="navigation"> <ul d..." Line: 371 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 384 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 398 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 410 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 423 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 439 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..."
"...t> </div> <nav role="navigation"> <p da..." Line: 49 Column: 7 - 29
".../p> </nav><nav role="navigation"> <ul d..." Line: 371 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 384 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 398 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 410 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 423 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..." Line: 439 Column: 1 - 23
"...ation --> <nav role="navigation"> <p da..."
The first occurrence of ID “slider-button” was here.
Line: 173 Column: 389 - 479
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..." Line: 173 Column: 389 - 479
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..." Line: 173 Column: 389 - 479
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..."
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..." Line: 173 Column: 389 - 479
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..." Line: 173 Column: 389 - 479
"...C</strong><a data-button="1" href="News Items/PR20171204_GB_Earthquake_Code.html" id="slider-button">Learn ..."
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Line: 170 Column: 17 - 39
"... <section role="banner"> ..." Line: 189 Column: 1 - 25
"...inner=""> <section role="document"> <div ..."
"... <section role="banner"> ..." Line: 189 Column: 1 - 25
"...inner=""> <section role="document"> <div ..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 365 Column: 24 - 50
"...Footer --><footer role="contentinfo"> <div ..."
"...Footer --><footer role="contentinfo"> <div ..."
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Line: 2 Column: 16 - 43
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."
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sdsc.edu 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.
sdsc.edu 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.