biology4kids.com Website Information
Daily Unique Visits: 9,071
Daily Page Views: 45,355
Income Per Day: $113
Estimated Value: $67,800
This website is located in United States and is using following IP address 209.237.150.20. See the complete list of popular websites hosted in United States.
biology4kids.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website biology4kids.com is using the following name servers:
- a.ns.interland.net
- b.ns.interland.net
- c.ns.interland.net
and is probably hosted by NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC, US. See the full list of other websites hosted by NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC, US.
The highest website biology4kids.com position in Alexa rank database was 17661 and the lowest rank position was 989334. Current position of biology4kids.com in Alexa rank database is 150202.
Desktop speed score of biology4kids.com (88/100) is better than the results of 85.98% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of biology4kids.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 biology4kids.com (78/100) is better than the results of 86.92% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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biology4kids.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.
biology4kids.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: BIOLOGY4KIDS.COM
Registry Domain ID: 10768292_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2023-07-29T05:55:58Z
Creation Date: 1999-09-28T03:08:19Z
Registry Expiry Date: 2028-09-28T03:08:18Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: A.NS.INTERLAND.NET
Name Server: B.NS.INTERLAND.NET
Name Server: C.NS.INTERLAND.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-22T09:51:21Z
Registry Domain ID: 10768292_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2023-07-29T05:55:58Z
Creation Date: 1999-09-28T03:08:19Z
Registry Expiry Date: 2028-09-28T03:08:18Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: A.NS.INTERLAND.NET
Name Server: B.NS.INTERLAND.NET
Name Server: C.NS.INTERLAND.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-22T09:51:21Z
biology4kids.com server information
Servers Location
biology4kids.com desktop page speed rank
Last tested: 2016-12-31
Desktop Speed
Good
88/100
biology4kids.com Desktop Speed Test Quick Summary
priority - 9Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 83.9KiB (78% reduction).
Compressing https://tpc.googlesyndication.com/simgad/59520687679665777 could save 82.4KiB (78% reduction).
Compressing https://www.google.com/cse/static/en/google_custom_search_watermark.gif could save 1.4KiB (71% reduction).
Compressing https://www.google.com/cse/static/en/google_custom_search_watermark.gif could save 1.4KiB (71% reduction).
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:
http://biology4kids.com/biology-home.css
priority - 1Leverage 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:
http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
biology4kids.com Desktop Resource Breakdown
| Total Resources | 37 |
| Number of Hosts | 10 |
| Static Resources | 23 |
| JavaScript Resources | 10 |
| CSS Resources | 1 |
biology4kids.com mobile page speed rank
Last tested: 2016-12-31
Mobile Speed
Medium
78/100
biology4kids.com Mobile Speed Test Quick Summary
priority - 9Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 89.9KiB (68% reduction).
Compressing https://tpc.googlesyndication.com/simgad/17559609482896013831 could save 70.7KiB (78% reduction).
Compressing https://tpc.googlesyndication.com/simgad/14914593143464347576 could save 17.8KiB (46% reduction).
Compressing https://www.google.com/cse/static/en/google_custom_search_watermark.gif could save 1.4KiB (71% reduction).
Compressing https://tpc.googlesyndication.com/simgad/14914593143464347576 could save 17.8KiB (46% reduction).
Compressing https://www.google.com/cse/static/en/google_custom_search_watermark.gif could save 1.4KiB (71% reduction).
priority - 8Eliminate 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:
http://biology4kids.com/biology-home.css
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 50% of the final above-the-fold content could be rendered with the full HTML response.
priority - 2Leverage 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:
http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
biology4kids.com Mobile Resource Breakdown
| Total Resources | 44 |
| Number of Hosts | 9 |
| Static Resources | 26 |
| JavaScript Resources | 11 |
| CSS Resources | 1 |
biology4kids.com mobile page usability
Last tested: 2016-12-31
Mobile Usability
Good
99/100
biology4kids.com Mobile Usability Test Quick Summary
priority - 1Size 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 id="abgl" href="https://www.go…X0xCHp42D_cFvA" class="abgl">AdChoices</a> is close to 1 other tap targets.The tap target
<a href="files/cell2_main.html" class="contentLink">cell function</a> and 7 others are close to other tap targets.biology4kids.com HTML validation
Errors
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Line: 1 Column: 1 - 121
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."
Bad value “language” for attribute “http-equiv” on element “meta”.
Line: 6 Column: 1 - 54
"...ale=1" /> <meta http-equiv="language" content="english,en-US" /> <meta..."
"...ale=1" /> <meta http-equiv="language" content="english,en-US" /> <meta..."
Bad value “last-modified” for attribute “http-equiv” on element “meta”.
Line: 9 Column: 1 - 62
"...tems." /> <meta http-equiv="last-modified" content="Sun, 01 Jan 2017" /> <meta..."
"...tems." /> <meta http-equiv="last-modified" content="Sun, 01 Jan 2017" /> <meta..."
Bad value “expires” for attribute “http-equiv” on element “meta”.
Line: 10 Column: 1 - 56
"... 2017" /> <meta http-equiv="expires" content="Sat, 30 Dec 2017" /> <meta..."
"... 2017" /> <meta http-equiv="expires" content="Sat, 30 Dec 2017" /> <meta..."
Bad value “pics-label” for attribute “http-equiv” on element “meta”.
Line: 19 Column: 1 - 268
"...ved." /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" l gen true for "http://www.biology4kids.com" r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.biology4kids.com" r (n 0 s 0 v 0 l 0))' /> <meta..."
"...ved." /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" l gen true for "http://www.biology4kids.com" r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.biology4kids.com" r (n 0 s 0 v 0 l 0))' /> <meta..."
Bad value “PICS-Label” for attribute “http-equiv” on element “meta”.
Line: 20 Column: 1 - 148
"...l 0))' /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.classify.org/safesurf/" l gen true for "http://www.biology4kids.com" r (SS~~000 1))' /> <met..."
"...l 0))' /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.classify.org/safesurf/" l gen true for "http://www.biology4kids.com" r (SS~~000 1))' /> <met..."
The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.
Line: 30 Column: 1 - 99
".../html" /> <meta name="DC.identifier" scheme="DCTERMS.URI" content="http://www.biology4kids.com/index.html" /> <meta..." Line: 31 Column: 1 - 79
"....html" /> <meta name="DC.language" scheme="DCTERMS.URI" content="(SCHEME=ISO639-1) en" /> <meta..." Line: 32 Column: 1 - 77
"...1) en" /> <meta name="DC.rights" scheme="DCTERMS.URI" content="Andrew Rader Studios" /> <met..." Line: 33 Column: 1 - 84
"...dios" /> <meta name="DC.Date.X-MetadataLastModified" scheme="ISO9601" content="2016-01-01" /> <meta..."
".../html" /> <meta name="DC.identifier" scheme="DCTERMS.URI" content="http://www.biology4kids.com/index.html" /> <meta..." Line: 31 Column: 1 - 79
"....html" /> <meta name="DC.language" scheme="DCTERMS.URI" content="(SCHEME=ISO639-1) en" /> <meta..." Line: 32 Column: 1 - 77
"...1) en" /> <meta name="DC.rights" scheme="DCTERMS.URI" content="Andrew Rader Studios" /> <met..." Line: 33 Column: 1 - 84
"...dios" /> <meta name="DC.Date.X-MetadataLastModified" scheme="ISO9601" content="2016-01-01" /> <meta..."
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
Line: 69 Column: 9 - 153
"...> <img src="art_home/main.png" alt="Biology4Kids Sections" width="930" vspace="5" border="0" usemap="#main" title="Biology4Kids Main Navigation" /><br />..." Line: 170 Column: 73 - 230
"...ogy Quiz"><img src="art_global/quiz-biology.png" alt="General Biology Quiz" width="165" height="140" hspace="0" vspace="0" border="0" title="Quiz on General Biology" /></a> ..." Line: 171 Column: 15 - 111
"... <br /><img src="art_global/space.gif" alt="" width="100" height="8" hspace="0" vspace="0" border="0" /><br />..." Line: 172 Column: 78 - 229
"...lideshow"><img src="art_global/show-kingdoms.png" alt="Kingdoms Slideshow" width="165" height="140" hspace="0" vspace="0" border="0" title="Kingdoms Slideshow" /></a> ..." Line: 268 Column: 5 - 134
"...br /> <img src="art_home/rnmlogo.gif" alt="Image:Andrew Rader Studios Logo" width="150" height="43" hspace="10" vspace="5" border="0" /> &..." Line: 270 Column: 5 - 133
"...nbsp; <img src="art_home/logo_b4k.gif" alt="Rader's Biology4Kids.com Logo" width="185" height="64" hspace="10" vspace="5" border="0" /> <br ..."
"...> <img src="art_home/main.png" alt="Biology4Kids Sections" width="930" vspace="5" border="0" usemap="#main" title="Biology4Kids Main Navigation" /><br />..." Line: 170 Column: 73 - 230
"...ogy Quiz"><img src="art_global/quiz-biology.png" alt="General Biology Quiz" width="165" height="140" hspace="0" vspace="0" border="0" title="Quiz on General Biology" /></a> ..." Line: 171 Column: 15 - 111
"... <br /><img src="art_global/space.gif" alt="" width="100" height="8" hspace="0" vspace="0" border="0" /><br />..." Line: 172 Column: 78 - 229
"...lideshow"><img src="art_global/show-kingdoms.png" alt="Kingdoms Slideshow" width="165" height="140" hspace="0" vspace="0" border="0" title="Kingdoms Slideshow" /></a> ..." Line: 268 Column: 5 - 134
"...br /> <img src="art_home/rnmlogo.gif" alt="Image:Andrew Rader Studios Logo" width="150" height="43" hspace="10" vspace="5" border="0" /> &..." Line: 270 Column: 5 - 133
"...nbsp; <img src="art_home/logo_b4k.gif" alt="Rader's Biology4Kids.com Logo" width="185" height="64" hspace="10" vspace="5" border="0" /> <br ..."
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Line: 95 Column: 3 - 22
"...Links"> <div align="center"> <a hr..." Line: 130 Column: 9 - 28
"...> <div align="center"><br />..." Line: 145 Column: 6 - 24
"...r /> <div align="right"> ..." Line: 156 Column: 9 - 28
"...> <div align="center"> ..." Line: 193 Column: 9 - 28
"...> <div align="center"> ..." Line: 231 Column: 9 - 28
"...> <div align="center"> ..." Line: 266 Column: 5 - 24
"... <div align="center"> <..."
"...Links"> <div align="center"> <a hr..." Line: 130 Column: 9 - 28
"...> <div align="center"><br />..." Line: 145 Column: 6 - 24
"...r /> <div align="right"> ..." Line: 156 Column: 9 - 28
"...> <div align="center"> ..." Line: 193 Column: 9 - 28
"...> <div align="center"> ..." Line: 231 Column: 9 - 28
"...> <div align="center"> ..." Line: 266 Column: 5 - 24
"... <div align="center"> <..."
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Line: 144 Column: 9 - 26
"...> <br clear="all" /><br />..." Line: 149 Column: 9 - 26
"...> <br clear="all" /> ..." Line: 151 Column: 9 - 26
".... <br /><br clear="all" /> </di..." Line: 192 Column: 9 - 26
"...> <br clear="all" /><hr />..." Line: 213 Column: 9 - 26
"...> <br clear="all" /> ..." Line: 259 Column: 6 - 23
".../em> <br clear="all" /> <hr..."
"...> <br clear="all" /><br />..." Line: 149 Column: 9 - 26
"...> <br clear="all" /> ..." Line: 151 Column: 9 - 26
".... <br /><br clear="all" /> </di..." Line: 192 Column: 9 - 26
"...> <br clear="all" /><hr />..." Line: 213 Column: 9 - 26
"...> <br clear="all" /> ..." Line: 259 Column: 6 - 23
".../em> <br clear="all" /> <hr..."
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Line: 170 Column: 73 - 230
"...ogy Quiz"><img src="art_global/quiz-biology.png" alt="General Biology Quiz" width="165" height="140" hspace="0" vspace="0" border="0" title="Quiz on General Biology" /></a> ..." Line: 171 Column: 15 - 111
"... <br /><img src="art_global/space.gif" alt="" width="100" height="8" hspace="0" vspace="0" border="0" /><br />..." Line: 172 Column: 78 - 229
"...lideshow"><img src="art_global/show-kingdoms.png" alt="Kingdoms Slideshow" width="165" height="140" hspace="0" vspace="0" border="0" title="Kingdoms Slideshow" /></a> ..." Line: 253 Column: 25 - 135
"...elp.html"><img src="art_global/30_help.gif" alt="Help Page" width="30" height="30" hspace="10" border="0" align="left" /></a> S..." Line: 268 Column: 5 - 134
"...br /> <img src="art_home/rnmlogo.gif" alt="Image:Andrew Rader Studios Logo" width="150" height="43" hspace="10" vspace="5" border="0" /> &..." Line: 270 Column: 5 - 133
"...nbsp; <img src="art_home/logo_b4k.gif" alt="Rader's Biology4Kids.com Logo" width="185" height="64" hspace="10" vspace="5" border="0" /> <br ..."
"...ogy Quiz"><img src="art_global/quiz-biology.png" alt="General Biology Quiz" width="165" height="140" hspace="0" vspace="0" border="0" title="Quiz on General Biology" /></a> ..." Line: 171 Column: 15 - 111
"... <br /><img src="art_global/space.gif" alt="" width="100" height="8" hspace="0" vspace="0" border="0" /><br />..." Line: 172 Column: 78 - 229
"...lideshow"><img src="art_global/show-kingdoms.png" alt="Kingdoms Slideshow" width="165" height="140" hspace="0" vspace="0" border="0" title="Kingdoms Slideshow" /></a> ..." Line: 253 Column: 25 - 135
"...elp.html"><img src="art_global/30_help.gif" alt="Help Page" width="30" height="30" hspace="10" border="0" align="left" /></a> S..." Line: 268 Column: 5 - 134
"...br /> <img src="art_home/rnmlogo.gif" alt="Image:Andrew Rader Studios Logo" width="150" height="43" hspace="10" vspace="5" border="0" /> &..." Line: 270 Column: 5 - 133
"...nbsp; <img src="art_home/logo_b4k.gif" alt="Rader's Biology4Kids.com Logo" width="185" height="64" hspace="10" vspace="5" border="0" /> <br ..."
Duplicate ID “cse-search-box”.
Line: 197 Column: 9 - 83
"...> <form action="http://www.biology4kids.com/search.html" id="cse-search-box"> ..."
"...> <form action="http://www.biology4kids.com/search.html" id="cse-search-box"> ..."
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Line: 253 Column: 25 - 135
"...elp.html"><img src="art_global/30_help.gif" alt="Help Page" width="30" height="30" hspace="10" border="0" align="left" /></a> S..."
"...elp.html"><img src="art_global/30_help.gif" alt="Help Page" width="30" height="30" hspace="10" border="0" align="left" /></a> S..."
Warnings
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Line: 69 Column: 9 - 153
"...> <img src="art_home/main.png" alt="Biology4Kids Sections" width="930" vspace="5" border="0" usemap="#main" title="Biology4Kids Main Navigation" /><br />..." Line: 170 Column: 73 - 230
"...ogy Quiz"><img src="art_global/quiz-biology.png" alt="General Biology Quiz" width="165" height="140" hspace="0" vspace="0" border="0" title="Quiz on General Biology" /></a> ..." Line: 171 Column: 15 - 111
"... <br /><img src="art_global/space.gif" alt="" width="100" height="8" hspace="0" vspace="0" border="0" /><br />..." Line: 172 Column: 78 - 229
"...lideshow"><img src="art_global/show-kingdoms.png" alt="Kingdoms Slideshow" width="165" height="140" hspace="0" vspace="0" border="0" title="Kingdoms Slideshow" /></a> ..." Line: 253 Column: 25 - 135
"...elp.html"><img src="art_global/30_help.gif" alt="Help Page" width="30" height="30" hspace="10" border="0" align="left" /></a> S..." Line: 268 Column: 5 - 134
"...br /> <img src="art_home/rnmlogo.gif" alt="Image:Andrew Rader Studios Logo" width="150" height="43" hspace="10" vspace="5" border="0" /> &..." Line: 270 Column: 5 - 133
"...nbsp; <img src="art_home/logo_b4k.gif" alt="Rader's Biology4Kids.com Logo" width="185" height="64" hspace="10" vspace="5" border="0" /> <br ..."
"...> <img src="art_home/main.png" alt="Biology4Kids Sections" width="930" vspace="5" border="0" usemap="#main" title="Biology4Kids Main Navigation" /><br />..." Line: 170 Column: 73 - 230
"...ogy Quiz"><img src="art_global/quiz-biology.png" alt="General Biology Quiz" width="165" height="140" hspace="0" vspace="0" border="0" title="Quiz on General Biology" /></a> ..." Line: 171 Column: 15 - 111
"... <br /><img src="art_global/space.gif" alt="" width="100" height="8" hspace="0" vspace="0" border="0" /><br />..." Line: 172 Column: 78 - 229
"...lideshow"><img src="art_global/show-kingdoms.png" alt="Kingdoms Slideshow" width="165" height="140" hspace="0" vspace="0" border="0" title="Kingdoms Slideshow" /></a> ..." Line: 253 Column: 25 - 135
"...elp.html"><img src="art_global/30_help.gif" alt="Help Page" width="30" height="30" hspace="10" border="0" align="left" /></a> S..." Line: 268 Column: 5 - 134
"...br /> <img src="art_home/rnmlogo.gif" alt="Image:Andrew Rader Studios Logo" width="150" height="43" hspace="10" vspace="5" border="0" /> &..." Line: 270 Column: 5 - 133
"...nbsp; <img src="art_home/logo_b4k.gif" alt="Rader's Biology4Kids.com Logo" width="185" height="64" hspace="10" vspace="5" border="0" /> <br ..."
The first occurrence of ID “cse-search-box” was here.
Line: 113 Column: 9 - 83
"...> <form action="http://www.biology4kids.com/search.html" id="cse-search-box"> ..."
"...> <form action="http://www.biology4kids.com/search.html" id="cse-search-box"> ..."
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Line: 229 Column: 9 - 27
"...> <a name="sections"></a> ..."
"...> <a name="sections"></a> ..."
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Line: 2 Column: 122 - 43
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."
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biology4kids.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.
biology4kids.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.