last data update: 2011/10/17, 12:12

Website loading time

during the test: 0.17 s

cable connection (average): 0.2 s

DSL connection (average): 0.23 s

modem (average): 1.76 s

HTTP headers

Information about DNS servers

masteringchemistry.comSOAoldtxdns2.pearsontc.comhostmaster.pearsontc.com201012100910800 3600 2592000 900 IN 10800
masteringchemistry.comMX10mail02.pearsoncmg.comIN10800
masteringchemistry.comMX5mail03.pearsoncmg.comIN10800
masteringchemistry.comA206.31.248.44IN10800
masteringchemistry.comNSoldtxdns2.pearsontc.comIN10800
masteringchemistry.comNSusrxdns1.pearsontc.comIN10800

Received from the first DNS server

Request to the server "masteringchemistry.com"
You used the following DNS server:
DNS Name: oldtxdns2.pearsontc.com
DNS Server Address: 192.251.135.15#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 15617
flag: qr aa rd REQUEST: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0

REQUEST SECTION:
masteringchemistry.com. IN ANY

ANSWER SECTION:
masteringchemistry.com. 10800 IN A 206.31.248.44
masteringchemistry.com. 10800 IN MX 10 mail02.pearsoncmg.com.
masteringchemistry.com. 10800 IN MX 5 mail03.pearsoncmg.com.
masteringchemistry.com. 10800 IN SOA oldtxdns2.pearsontc.com. hostmaster.pearsontc.com. 2010121009 10800 3600 2592000 900
masteringchemistry.com. 10800 IN NS usrxdns1.pearsontc.com.
masteringchemistry.com. 10800 IN NS oldtxdns2.pearsontc.com.

Received 217 bytes from address 192.251.135.15#53 in 11 ms

Received from the second DNS server

Request to the server "masteringchemistry.com"
You used the following DNS server:
DNS Name: usrxdns1.pearsontc.com
DNS Server Address: 192.234.246.15#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 29792
flag: qr aa rd REQUEST: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0

REQUEST SECTION:
masteringchemistry.com. IN ANY

ANSWER SECTION:
masteringchemistry.com. 10800 IN A 206.31.248.44
masteringchemistry.com. 10800 IN MX 5 mail03.pearsoncmg.com.
masteringchemistry.com. 10800 IN MX 10 mail02.pearsoncmg.com.
masteringchemistry.com. 10800 IN SOA oldtxdns2.pearsontc.com. hostmaster.pearsontc.com. 2010121009 10800 3600 2592000 900
masteringchemistry.com. 10800 IN NS oldtxdns2.pearsontc.com.
masteringchemistry.com. 10800 IN NS usrxdns1.pearsontc.com.

Received 217 bytes from address 192.234.246.15#53 in 21 ms

Subdomains (the first 50)

Typos (misspells)

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Location

IP: 206.31.248.44

continent: NA, country: United States (USA), city: Westwood

Website value

rank in the traffic statistics:

There is not enough data to estimate website value.

Basic information

website build using CSS

code weight: 11.15 KB

text per all code ratio: 17 %

title: MasteringChemistry: Make Learning Part of the Grade

description:

keywords:

encoding: UTF-8

language: en

Website code analysis

one word phrases repeated minimum three times

PhraseQuantity
Skip3
to:3

two word phrases repeated minimum three times

PhraseQuantity
Skip to:3

three word phrases repeated minimum three times

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MasteringChemistry
Over One Million Students across the Sciences
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Make Learning Part of the Grade®

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