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physicsclassroom.com
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last data update: 2011/10/13, 23:51
Website loading time
during the test: 0.57 s
cable connection (average): 0.59 s
DSL connection (average): 0.61 s
modem (average): 1.71 s
HTTP headers
HTTP/1.1 301 Moved Permanently
Cache-Control: max-age=3, must-revalidate
Pragma: no-cache
Content-Type: text/html; charset=UTF-8
Expires: Fri, 12 Aug 2005 00:00:01 GMT
Location: http://www.physicsclassroom.com/
Server: Microsoft-IIS/7.0
Set-Cookie: CFID=59919515;expires=Sun, 06-Oct-2041 06:51:05 GMT;path=/
Set-Cookie: CFTOKEN=3d925ac3cabb68ef-0132CA1B-DC63-62CA-7F0A99FB5C1FA874;expires=Sun, 06-Oct-2041 06:51:05 GMT;path=/
Set-Cookie: CFID=59919515;path=/
Set-Cookie: CFTOKEN=3d925ac3cabb68ef%2D0132CA1B%2DDC63%2D62CA%2D7F0A99FB5C1FA874;path=/
Date: Fri, 14 Oct 2011 06:51:05 GMT
Connection: close
HTTP/1.1 200 OK
Cache-Control: max-age=3, must-revalidate
Pragma: no-cache
Content-Type: text/html; charset=UTF-8
Expires: Fri, 12 Aug 2005 00:00:01 GMT
Server: Microsoft-IIS/7.0
Set-Cookie: CFID=59919516;expires=Sun, 06-Oct-2041 06:51:05 GMT;path=/
Set-Cookie: CFTOKEN=2615fb8d70b76c04-0132CB14-0C42-D32F-A89CAEB02C5A5EBF;expires=Sun, 06-Oct-2041 06:51:05 GMT;path=/
Set-Cookie: CFID=59919516;path=/
Set-Cookie: CFTOKEN=2615fb8d70b76c04%2D0132CB14%2D0C42%2DD32F%2DA89CAEB02C5A5EBF;path=/
Date: Fri, 14 Oct 2011 06:51:05 GMT
Connection: close
Information about DNS servers
| physicsclassroom.com | MX | 10 | neptune.compadre.org | IN | 43200 |
| physicsclassroom.com | MX | 20 | milquetoast.aapt.org | IN | 43200 |
| physicsclassroom.com | A | 149.28.119.169 | IN | 43200 | |
| physicsclassroom.com | SOA | exeter.acp.org | jwager.aapt.org | 2009082300 | 10800 3600 604800 86400 IN 43200 |
| physicsclassroom.com | NS | exeter.acp.org | IN | 43200 | |
| physicsclassroom.com | NS | ns1.xo.com | IN | 43200 | |
| physicsclassroom.com | NS | newman.acp.org | IN | 43200 | |
| physicsclassroom.com | NS | ns3.xo.com | IN | 43200 |
Received from the first DNS server
Request to the server "physicsclassroom.com"
You used the following DNS server:
DNS Name: exeter.acp.org
DNS Server Address: 149.28.112.2#53
DNS server aliases:
HEADER opcode: REQUEST, status: NOERROR, id: 65110
flag: qr aa rd REQUEST: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 4
REQUEST SECTION:
physicsclassroom.com. IN ANY
ANSWER SECTION:
physicsclassroom.com. 86400 IN SOA exeter.acp.org. jwager.aapt.org. 2009082300 10800 3600 604800 86400
physicsclassroom.com. 86400 IN NS exeter.acp.org.
physicsclassroom.com. 86400 IN NS newman.acp.org.
physicsclassroom.com. 86400 IN NS ns1.xo.com.
physicsclassroom.com. 86400 IN NS ns3.xo.com.
physicsclassroom.com. 86400 IN MX 10 neptune.compadre.org.
physicsclassroom.com. 86400 IN MX 20 milquetoast.aapt.org.
physicsclassroom.com. 86400 IN A 149.28.119.169
SECTION NOTES:
exeter.acp.org. 86400 IN A 149.28.112.2
newman.acp.org. 86400 IN A 144.202.247.133
neptune.compadre.org. 86400 IN A 149.28.119.112
milquetoast.aapt.org. 86400 IN A 149.28.119.111
Received 315 bytes from address 149.28.112.2#53 in 16 ms
Received from the second DNS server
Request to the server "physicsclassroom.com"
You used the following DNS server:
DNS Name: ns1.xo.com
DNS Server Address: 207.155.248.16#53
DNS server aliases:
HEADER opcode: REQUEST, status: NOERROR, id: 22098
flag: qr aa rd REQUEST: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 7
REQUEST SECTION:
physicsclassroom.com. IN ANY
ANSWER SECTION:
physicsclassroom.com. 86400 IN SOA exeter.acp.org. jwager.aapt.org. 2009082300 10800 3600 604800 86400
physicsclassroom.com. 86400 IN NS newman.acp.org.
physicsclassroom.com. 86400 IN NS ns1.xo.com.
physicsclassroom.com. 86400 IN NS ns3.xo.com.
physicsclassroom.com. 86400 IN NS exeter.acp.org.
physicsclassroom.com. 86400 IN A 149.28.119.169
physicsclassroom.com. 86400 IN MX 10 neptune.compadre.org.
physicsclassroom.com. 86400 IN MX 20 milquetoast.aapt.org.
SECTION NOTES:
ns1.xo.com. 10800 IN A 207.155.248.16
ns3.xo.com. 10800 IN A 207.88.20.31
ns3.xo.com. 10800 IN A 207.88.20.31
exeter.acp.org. 86400 IN A 149.28.112.2
newman.acp.org. 86400 IN A 144.202.247.133
neptune.compadre.org. 86400 IN A 149.28.119.112
milquetoast.aapt.org. 86400 IN A 149.28.119.111
Received 363 bytes from address 207.155.248.16#53 in 79 ms
Subdomains (the first 50)
Typos (misspells)
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Location
IP: 149.28.119.169
continent: NA, country: United States (USA), city: College Park
Website value
rank in the traffic statistics: 60 614
page wievs - daily average: 3 392
page views - monthly average: 101 771
visitors - daily average during last 30 days: 646
visitors during last 30 days: 19 385
estimated daily income from ads: 87 USD
estimated monthly income from ads: 2 617 USD
estimated website value: 60 378 USD
Basic information
website build using CSS
code weight: 8.01 KB
text per all code ratio: 46 %
title: The Physics Classroom
description: The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.
keywords: physics, multimedia, Classroom, tutorial, interactive, high school, motion, kinematics, Newton's Laws, vectors, projectiles, momentum, energy, circular motion, relativity, Einstein, electricity, waves, sound, light, interference, reflection, refraction, optics, roller coasters, Kepler, planetary motion
encoding: utf-8
language: en
Website code analysis
one word phrases repeated minimum three times
| Phrase | Quantity |
|---|---|
| of | 20 |
| and | 18 |
| The | 18 |
| to | 17 |
| Physics | 13 |
| the | 11 |
| by | 6 |
| collection | 6 |
| for | 6 |
| which | 5 |
| pages | 5 |
| teachers | 5 |
| physics | 5 |
| can | 5 |
| Shockwave | 4 |
| Photo | 4 |
| Studios | 4 |
| Minds | 4 |
| from | 4 |
| are | 4 |
| Classroom | 4 |
| on | 4 |
| Gallery | 4 |
| with | 4 |
| in | 4 |
| Internet | 3 |
| an | 3 |
| questions | 3 |
| as | 3 |
| Tutorial | 3 |
| Each | 3 |
| how | 3 |
| you | 3 |
| Calculator | 3 |
| Pad | 3 |
| use | 3 |
| is | 3 |
two word phrases repeated minimum three times
| Phrase | Quantity |
|---|---|
| collection of | 6 |
| Photo Gallery | 4 |
| The Photo | 4 |
| The Physics | 4 |
| Physics Classroom | 4 |
| Physics Internet | 3 |
| Calculator Pad | 3 |
| The Calculator | 3 |
three word phrases repeated minimum three times
| Phrase | Quantity |
|---|---|
| The Photo Gallery | 4 |
| The Physics Classroom | 4 |
| The Calculator Pad | 3 |
B tags
U tags
I tags
images
| file name | alternative text |
|---|---|
| logo.gif | The Physics Classroom |
| readWatchInteract.gif | Read - Watch - Interact |
| rwiPhoto.jpg | |
| practiceReview.gif | Practice and Review |
| prPhoto.jpg | Teacher Tools |
| teacherTools.gif | |
| ttPhoto.jpg |
headers
H1
H2
H3
H4
H5
H6
internal links
| address | anchor text |
|---|---|
| #content | Skip to Main Content |
| / | home |
| /about.cfm | about |
| /about.cfm#usage | terms |
| /about.cfm#credits | credits |
| /about.cfm#contact | feedback |
| / | The Physics Classroom |
| /Class/ | Physics Tutorial |
| /mop/ | Minds on Physics |
| /calcpad/ | The Calculator Pad |
| /mmedia/ | Multimedia Studios |
| /shwave/ | Shockwave Studios |
| /reviews/ | The Review Session |
| /morehelp/ | Physics Help |
| /curriculum/ | Curriculum Corner |
| /lab/ | The Laboratory |
| /gallery/ | The Photo Gallery |
| Class/ | The Physics Classroom Tutorial |
| mmedia/ | Multimedia Physics Studios |
| shwave/ | Shockwave Physics Studios |
| mop/ | Minds on Physics Internet Modules |
| calcpad/ | The Calculator Pad |
| reviews/ | The Review Session |
| morehelp/ | Physics Help |
| curriculum/ | Curriculum Corner |
| lab/ | The Laboratory |
| gallery/ | The Photo Gallery |
external links
| address | anchor text |
|---|---|
| http://www.compadre.org/ | Hosted by comPADRE. |