AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

OSC.EDU Ohio Supercomputer Center

osc.edu Website Information

Daily Unique Visits: 10,447

Daily Page Views: 52,235

Income Per Day: $131

Estimated Value: $78,600

This website is located in United States and is using following IP address 131.187.124.132. See the complete list of popular websites hosted in United States.

osc.edu is registered under .EDU top-level domain. Please check other sites in .EDU zone.

Website osc.edu is using the following name servers:

  • ns4.oar.net
  • ns5.oar.net
  • ns6.oar.net
  • ns7.oar.net

and is probably hosted by OARNET-AS - OARnet, US. See the full list of other websites hosted by OARNET-AS - OARnet, US.

The highest website osc.edu position in Alexa rank database was 17657 and the lowest rank position was 997235. Current position of osc.edu in Alexa rank database is 130417.

Desktop speed score of osc.edu (43/100) is better than the results of 17.28% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of osc.edu (97/100) is better than the results of 49.9% of other sites and means that the page is mobile-friendly.

Mobile speed score of osc.edu (33/100) is better than the results of 12.14% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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osc.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.

osc.edu 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.

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: OSC.EDU

Registrant:
Ohio Supercomputer Center
1224 Kinnear Road
Columbus, OH 43212-1163
USA

Administrative Contact:
Roman Rudy
The Ohio Technology Consortium (OH-Tech)
1224 Kinnear Road
Columbus, OH 43212
USA
+1.6142928104
rrudy@oh-tech.org

Technical Contact:
Doug Johnson
Ohio Supercomputer Center
1224 Kinnear Road
Columbus, OH 43212-1163
USA
+1.6142926286
hostmaster@osc.edu

Name Servers:
NS4.OAR.NET
NS7.OAR.NET
NS5.OAR.NET
NS6.OAR.NET

Domain record activated: 08-Jun-1988
Domain record last updated: 25-Jun-2024
Domain expires: 31-Jul-2027

osc.edu server information

Servers Location

osc.edu desktop page speed rank

Last tested: 2019-06-29

Desktop Speed Bad
43/100

osc.edu Desktop Speed Test Quick Summary


priority - 76Optimize images

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

Optimize the following images to reduce their size by 740.1KiB (67% reduction).

Compressing https://www.osc.edu/sites/osc.edu/files/PowerTakeOffUnit_2_1.jpg could save 174KiB (78% reduction).
Compressing https://www.osc.edu/sites/osc.edu/files/research_542935584.jpg could save 162.4KiB (79% reduction).
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Compressing https://www.osc.edu/profiles/chestnut/themes/chestnut/img/accessibility.png could save 2.7KiB (91% reduction).
Compressing https://pbs.twimg.com/profile_images/988853823421628418/eCuHeOQ4_normal.jpg could save 914B (42% reduction).
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Compressing https://i.vimeocdn.com/video/655255205.jpg?mw=80&q=85 could save 153B (12% reduction).
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priority - 45Enable 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 436.5KiB (70% reduction).

Compressing https://www.osc.edu/sites/default/files/js/js_cCaI…xp_oCj61JT-3LEr-t7A.js could save 89.1KiB (70% reduction).
Compressing https://www.osc.edu/sites/default/files/js/js_YnWb…Y6HkzuFNPsHanH9bw3Y.js could save 76.7KiB (74% reduction).
Compressing https://www.osc.edu/sites/default/files/js/js_v7z_…yXuKekr2jbdDptsM5Oc.js could save 75KiB (65% reduction).
Compressing https://platform.twitter.com/widgets.js could save 65.6KiB (70% reduction).
Compressing https://platform.twitter.com/css/timeline.70d17849…00695473.light.ltr.css could save 41.4KiB (77% reduction).
Compressing https://www.osc.edu/sites/default/files/js/js_lboD…WJGyCslzWjcNjvVR3X0.js could save 17.3KiB (85% reduction).
Compressing https://platform.twitter.com/js/moment~timeline~tw…4b1c047f200045ffa1e.js could save 16.5KiB (68% reduction).
Compressing https://platform.twitter.com/js/timeline.49693ebcd…8708ebca7502c7c343d.js could save 15.6KiB (69% reduction).
Compressing https://www.osc.edu/sites/default/themes/contrib/osc/logo.svg could save 12.5KiB (74% reduction).
Compressing https://www.osc.edu/sites/default/files/js/js_gzhq…9xQdf3QlbESqckMnYtE.js could save 10KiB (64% reduction).
Compressing https://platform.twitter.com/widgets/widget_iframe…ps%3A%2F%2Fwww.osc.edu could save 9.2KiB (61% reduction).
Compressing https://www.osc.edu/sites/default/files/js/js_AjmH…R3vZGeSA_yDGgl_f6Kg.js could save 5.7KiB (68% reduction).
Compressing https://player.vimeo.com/texttrack/5142039.vtt?tok…66931a3e3fe47a34b5dc85 could save 1.6KiB (55% reduction).
Compressing https://www.osc.edu/sites/default/files/css/css_Nq…dviEBVtNJUOl0ZWBJE.css could save 191B (49% reduction).

priority - 13Minify 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 125.5KiB (34% reduction).

Minifying https://www.osc.edu/sites/default/files/js/js_cCaI…xp_oCj61JT-3LEr-t7A.js could save 50.5KiB (41% reduction).
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Minifying https://www.osc.edu/sites/default/files/js/js_v7z_…yXuKekr2jbdDptsM5Oc.js could save 15.8KiB (14% reduction).
Minifying https://www.osc.edu/sites/default/files/js/js_lboD…WJGyCslzWjcNjvVR3X0.js could save 7.6KiB (38% reduction).
Minifying https://www.osc.edu/sites/default/files/js/js_AjmH…R3vZGeSA_yDGgl_f6Kg.js could save 4KiB (49% reduction).

priority - 9Avoid 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://osc.edu/
https://osc.edu/
https://www.osc.edu/

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://v1.addthisedge.com/live/boost/51d1d1b06537…_ate.track.config_resp (49 seconds)
https://cdn.syndication.twimg.com/timeline/list?ca…&t=1735351&tz=GMT-0700 (5 minutes)
https://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
https://syndication.twitter.com/settings (10 minutes)
https://platform.twitter.com/widgets.js (30 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

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.osc.edu/sites/default/files/css/css_xE…xu4WO-qwma6Xer30m4.css

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 1.4KiB (24% reduction).

Minifying https://player.vimeo.com/video/233828058 could save 1.4KiB (24% reduction) after compression.

osc.edu Desktop Resource Breakdown

Total Resources87
Number of Hosts19
Static Resources73
JavaScript Resources20
CSS Resources13

osc.edu mobile page speed rank

Last tested: 2017-12-01

Mobile Speed Bad
33/100

osc.edu Mobile Speed Test Quick Summary


priority - 63Optimize images

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

Optimize the following images to reduce their size by 613.5KiB (79% reduction).

Compressing https://pbs.twimg.com/media/DPpnuz1VQAAfAfS.jpg:large could save 544.4KiB (84% reduction).
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Compressing https://www.osc.edu/sites/osc.edu/themes/contrib/osc/logo.png could save 4.6KiB (20% reduction).
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Compressing https://www.osc.edu/profiles/chestnut/themes/chestnut/img/search.png could save 937B (74% reduction).
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priority - 50Enable 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 483.7KiB (73% reduction).

Compressing https://www.osc.edu/sites/osc.edu/files/css/css_Wx…-l0djqnm6oSSC7KcKY.css could save 95KiB (82% reduction).
Compressing https://www.osc.edu/sites/osc.edu/files/js/js_Jsvx…HJmNSuAJIOxQnrcwrb8.js could save 85.9KiB (74% reduction).
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Compressing https://www.osc.edu/sites/osc.edu/files/js/js_uiF7…r_zA8oqdtm3l-SnQKJ0.js could save 4.3KiB (65% reduction).
Compressing https://www.osc.edu/sites/osc.edu/files/css/css_To…q0ou0QRwtnqtprAnlg.css could save 3.3KiB (73% reduction).
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Compressing https://player.vimeo.com/texttrack/5193275.vtt?tok…9518aa988a8ffbeae53422 could save 2.1KiB (57% reduction).

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 7 blocking script resources and 9 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.5.3/modernizr.min.js
https://www.osc.edu/sites/osc.edu/files/js/js_0gj6…4MXY0UA_sRhwPc8jC1o.js
https://www.osc.edu/sites/osc.edu/files/js/js_Jsvx…HJmNSuAJIOxQnrcwrb8.js
https://www.osc.edu/sites/osc.edu/files/js/js_uiF7…r_zA8oqdtm3l-SnQKJ0.js
https://www.osc.edu/sites/osc.edu/files/js/js_yHQb…Xz3DkI4160QOXOuoc8s.js
https://www.osc.edu/sites/osc.edu/files/js/js_ehqi…ZgaCFvMEiQe1kjOUsJQ.js
https://www.osc.edu/sites/osc.edu/files/js/js_FXZY…fhNRcbcYFSpy9Rgxw-k.js

Optimize CSS Delivery of the following:

https://www.osc.edu/sites/osc.edu/files/css/css_xE…xu4WO-qwma6Xer30m4.css
https://www.osc.edu/sites/osc.edu/files/css/css_zs…boFcil1tvk7A50oBRw.css
https://www.osc.edu/sites/osc.edu/files/css/css_vZ…sZMJa-14jShHgRoRNo.css
https://www.osc.edu/sites/osc.edu/files/css/css_Vv…CIJqnEDBOAKCLoAd08.css
https://www.osc.edu/sites/osc.edu/files/css/css_To…q0ou0QRwtnqtprAnlg.css
https://www.osc.edu/sites/osc.edu/files/css/css_lx…tYSTo6aMuMwdzgwiK4.css
https://www.osc.edu/sites/osc.edu/files/css/css_tC…dt8LwsuKm3evySFADc.css
https://www.osc.edu/sites/osc.edu/files/css/css_Wx…-l0djqnm6oSSC7KcKY.css
https://fonts.googleapis.com/css?family=Rokkitt

priority - 34Avoid 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://osc.edu/
https://osc.edu/
https://www.osc.edu/

priority - 14Minify 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 135.8KiB (30% reduction).

Minifying https://www.osc.edu/sites/osc.edu/files/js/js_FXZY…fhNRcbcYFSpy9Rgxw-k.js could save 49.7KiB (42% reduction).
Minifying https://www.osc.edu/sites/osc.edu/files/js/js_ehqi…ZgaCFvMEiQe1kjOUsJQ.js could save 44.5KiB (47% reduction).
Minifying https://www.osc.edu/sites/osc.edu/files/js/js_Jsvx…HJmNSuAJIOxQnrcwrb8.js could save 21.9KiB (20% reduction).
Minifying https://www.osc.edu/sites/osc.edu/files/js/js_0gj6…4MXY0UA_sRhwPc8jC1o.js could save 12.1KiB (12% reduction).
Minifying https://www.osc.edu/sites/osc.edu/files/js/js_yHQb…Xz3DkI4160QOXOuoc8s.js could save 4.7KiB (21% reduction).
Minifying https://www.osc.edu/sites/osc.edu/files/js/js_uiF7…r_zA8oqdtm3l-SnQKJ0.js could save 2.8KiB (43% reduction).

priority - 6Leverage 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://m.addthisedge.com/live/boost/51d1d1b06537f…_ate.track.config_resp (60 seconds)
https://cdn.syndication.twimg.com/timeline/list?ca…&t=1680140&tz=GMT-0800 (5 minutes)
https://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
https://syndication.twitter.com/settings (10 minutes)
https://platform.twitter.com/widgets.js (30 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)

osc.edu Mobile Resource Breakdown

Total Resources81
Number of Hosts20
Static Resources66
JavaScript Resources23
CSS Resources13

osc.edu mobile page usability

Last tested: 2017-12-01

Mobile Usability Good
97/100

osc.edu 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="https://twitte…/SC17?src=hash" class="PrettyLink has…g customisable">#SC17</a> and 1 others are close to other tap targets.
The tap target <a href="https://twitte…00744391041025" class="TweetAction Tw…dge web-intent"></a> is close to 1 other tap targets.
The tap target <a href="#" class="TweetAction Tw…-showShareMenu"></a> is close to 1 other tap targets.
The tap target <a href="https://www.osc.edu/">Ohio Supercomp…r Center (OSC)</a> and 2 others are close to other tap targets.
The tap target <a href="http://www.ohiohighered.org/">Ohio Departmen…gher Education</a> and 9 others are close to other tap targets.

osc.edu HTML validation

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 8 Column: 1 - 64
"...utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <meta..."

Bad value “search” for attribute “role” on element “input”.

Line: 196 Column: 2 - 214
"...</label> <input title="Enter the terms you wish to search for." placeholder="Search" role="search" type="text" id="edit-search-block-form--2" name="search_block_form" value="" size="15" maxlength="128" class="form-text" /> </div..."

Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

Line: 344 Column: 37 - 58
"... <div id="title-links"><span ..."

Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 442 Column: 395 - 422
"...="" /></a><div style="display: none;"><div i..." Line: 466 Column: 138 - 169
"... 5 2019 - <div class="date-display-range"><span ..." Line: 471 Column: 138 - 169
"... 5 2019 - <div class="date-display-range"><span ..." Line: 476 Column: 139 - 170
"...19 2019 - <div class="date-display-range"><span ..." Line: 481 Column: 138 - 169
"... 5 2019 - <div class="date-display-range"><span ..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 442 Column: 459 - 620
"...56831274"><iframe src="https://player.vimeo.com/video/237974244" width="640" height="360" frameborder="0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen=""></ifra..."

Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.

Line: 572 Column: - 105
"...//oh-tech.org" </span> ..."

A slash was not immediately followed by “>”.

Line: 572 Column: - 107
"...oh-tech.org" </span> ..."

Attribute “<” not allowed on element “span” at this point.

Line: 572 Column: 9 - 111
"...e <span itemscope itemtype="http://schema.org/GovernmentOrganization" itemid="http://oh-tech.org" </span> ..."

Attribute “span” not allowed on element “span” at this point.

Line: 572 Column: 9 - 111
"...e <span itemscope itemtype="http://schema.org/GovernmentOrganization" itemid="http://oh-tech.org" </span> ..."

End tag “footer” seen, but there were open elements.

Line: 586 Column: 1 - 9
"... </div> </footer> <div..."

Unclosed element “div”.

Line: 566 Column: 5 - 29
"...ner"> <div id="footer-message"> ..." Line: 565 Column: 3 - 25
"...xed --> <div class="container"> <..."

No “p” element in scope but a “p” end tag seen.

Line: 597 Column: 7 - 10
"...215 </p> <..."

Warnings

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 84 Column: 1 - 35
"...="all" /> <style type="text/css" media="all"> <!--/..." Line: 92 Column: 1 - 35
"...="all" /> <style type="text/css" media="all"> <!--/..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 104 Column: 3 - 132
"...dif]--> <script type="text/javascript" src="https://www.osc.edu/sites/default/files/js/js_0gj6QcpfRH2jzTbCQqf7kEkm4MXY0UA_sRhwPc8jC1o.js"></scri..." Line: 105 Column: 1 - 130
"...</script> <script type="text/javascript" src="https://www.osc.edu/sites/default/files/js/js_Jsvx4k-AK8dec3IYGJ4au-jjHJmNSuAJIOxQnrcwrb8.js"></scri..." Line: 106 Column: 1 - 130
"...</script> <script type="text/javascript" src="https://www.osc.edu/sites/default/files/js/js_uiF75tUtWsZIPud4DMk7FvzKr_zA8oqdtm3l-SnQKJ0.js"></scri..." Line: 107 Column: 1 - 130
"...</script> <script type="text/javascript" src="https://www.osc.edu/sites/default/files/js/js_yHQb6NuPgeLq0Jq3m5rBMBBnXz3DkI4160QOXOuoc8s.js"></scri..." Line: 108 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 118 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 133 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 146 Column: 1 - 130
"...</script> <script type="text/javascript" src="https://www.osc.edu/sites/default/files/js/js_HxRNKyrSlhlfHvSM54XSofrL0laDJ75byTNeJGCZsfs.js"></scri..." Line: 147 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 152 Column: 1 - 130
"...</script> <script type="text/javascript" src="https://www.osc.edu/sites/default/files/js/js_FXZYxBHyvc8HBLJB9EXQJgnDfhNRcbcYFSpy9Rgxw-k.js"></scri..." Line: 153 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 351 Column: 1 - 31
"...a> </div> <script type="text/javascript">var ad..." Line: 352 Column: 1 - 102
"...</script> <script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=51d1d1b06537f78e"></scri..."

The “navigation” role is unnecessary for element “nav”.

Line: 213 Column: 7 - 59
"...iv> <nav id="main-menu" class="navbar" role="navigation"> ..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 354 Column: 68 - 126
"... <section id="block-system-main" class="block block-system"> ..." Line: 369 Column: 11 - 91
"...</section><section id="block-views-homepage-promos-block-promos" class="block block-views"> ..." Line: 431 Column: 27 - 91
"..."sidebar"><section id="block-views-videos-block" class="block block-views"> ..." Line: 539 Column: 11 - 65
"...</section><section id="block-block-39" class="block block-block"> ..."

The “charset” attribute on the “script” element is obsolete.

Line: 543 Column: 182 - 254
"...y OSC</a> <script async="" src="//platform.twitter.com/widgets.js" charset="utf-8"></scri..."

Attribute “<” is not serializable as XML 1.0.

Line: 572 Column: 9 - 111
"...e <span itemscope itemtype="http://schema.org/GovernmentOrganization" itemid="http://oh-tech.org" </span> ..."

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osc.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.

osc.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.