NSO.EDU Home Page - NSO - National Solar Observatory

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-------------------------------------------------------------

Domain Name: NSO.EDU

Registrant:
National Solar Observatory
3665 Discovery Dr
Boulder, CO 80303
USA

Administrative Contact:
John Doherty
National Solar Observatory
3665 Discovery Dr
Boulder, CO 80303
USA
+1.3037359059
jdoherty@nso.edu

Technical Contact:
NSO IT
National Solar Observatory
3665 Discovery Dr
Boulder, CO 80303
USA
+1.3037359059
dns@nso.edu

Name Servers:
NS2.NSO.EDU
NS1.NSO.EDU
DNS-TUC-INT-1.NOIRLAB.EDU
DNS-TUC-EXT-1.NOIRLAB.EDU

Domain record activated: 12-Sep-2000
Domain record last updated: 26-Dec-2021
Domain expires: 31-Jul-2022

nso.edu server information

Servers Location

nso.edu desktop page speed rank

Last tested: 2019-10-09


Desktop Speed Bad
35/100

nso.edu Desktop Speed Test Quick Summary


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priority - 71Leverage browser caching

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Leverage browser caching for the following cacheable resources:

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https://www.nso.edu/wp-includes/js/thickbox/loadingAnimation.gif (expiration not specified)
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priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content

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Optimize CSS Delivery of the following:

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https://www.nso.edu/wp-admin/admin-ajax.php?action=frmpro_css&ver=9301900
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priority - 9Avoid landing page redirects

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priority - 6Reduce server response time

In our test, your server responded in 0.84 seconds.

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

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priority - 0Minify JavaScript

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nso.edu Desktop Resource Breakdown

Total Resources168
Number of Hosts11
Static Resources149
JavaScript Resources7
CSS Resources6

nso.edu mobile page speed rank

Last tested: 2018-02-14


Mobile Speed Good
100/100

nso.edu Mobile Resource Breakdown

Total Resources2
Number of Hosts1

nso.edu mobile page usability

Last tested: 2018-02-14


Mobile Usability Medium
82/100

nso.edu Mobile Usability Test Quick Summary


priority - 11Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

The requested…n this server. renders only 6 pixels tall (16 CSS pixels).

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

nso.edu HTML validation

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 50
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"> <html..."

Attribute “xmlns:content” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:dc” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:foaf” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:og” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:rdfs” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:sioc” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:sioct” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:skos” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute “xmlns:xsd” not allowed here.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..." Line: 183 Column: 145 - 254
"...mitted by <span class="username" xml:lang="" about="/user/2" typeof="sioc:UserAccount" property="foaf:name" datatype="">wwwnso..."

The “version” attribute on the “html” element is obsolete. You can safely omit it.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Line: 14 Column: 49 - 51
"...LSchema#"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <me..."

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

Line: 155 Column: 8 - 130
"..."> <p><iframe frameborder="0" height="630" src="http://nso.edu/sites/www.nso.edu/files/files/press/home/index2.html" width="430"></ifra..."

Attribute “about” not allowed on element “div” at this point.

Line: 163 Column: 5 - 113
"...ent"> <div id="node-1551" class="node node-page view-mode-full clearfix" about="/node/1551" typeof="foaf:Document"> ..."

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

Line: 167 Column: 7 - 93
"... <span property="dc:title" content="Welcome to the NSO" class="rdf-meta element-hidden"></span..." Line: 167 Column: 101 - 201
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..." Line: 183 Column: 13 - 131
"... <span property="dc:date dc:created" content="2017-06-09T08:05:30-07:00" datatype="xsd:dateTime" rel="sioc:has_creator">Submit..."

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

Line: 167 Column: 101 - 201
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..." Line: 183 Column: 13 - 131
"... <span property="dc:date dc:created" content="2017-06-09T08:05:30-07:00" datatype="xsd:dateTime" rel="sioc:has_creator">Submit..." Line: 183 Column: 145 - 254
"...mitted by <span class="username" xml:lang="" about="/user/2" typeof="sioc:UserAccount" property="foaf:name" datatype="">wwwnso..."

The “align” attribute on the “table” element is obsolete. Use CSS instead.

Line: 171 Column: 169 - 268
"...:encoded"><table align="center" border="0" cellpadding="5" cellspacing="5" style="width: 705px; height: 84px"><tbody..."

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Line: 171 Column: 169 - 268
"...:encoded"><table align="center" border="0" cellpadding="5" cellspacing="5" style="width: 705px; height: 84px"><tbody..."

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

Line: 171 Column: 169 - 268
"...:encoded"><table align="center" border="0" cellpadding="5" cellspacing="5" style="width: 705px; height: 84px"><tbody..."

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Line: 171 Column: 169 - 268
"...:encoded"><table align="center" border="0" cellpadding="5" cellspacing="5" style="width: 705px; height: 84px"><tbody..."

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

Line: 183 Column: 13 - 131
"... <span property="dc:date dc:created" content="2017-06-09T08:05:30-07:00" datatype="xsd:dateTime" rel="sioc:has_creator">Submit..."

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

Line: 183 Column: 145 - 254
"...mitted by <span class="username" xml:lang="" about="/user/2" typeof="sioc:UserAccount" property="foaf:name" datatype="">wwwnso..."

Warnings

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

Line: 12 Column: 51 - 48
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" version="XHTML+RDFa 1.0" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <hea..."

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nso.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.


nso.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.