last data update: 2011/10/14, 10:20

Website loading time

during the test: 0.05 s

cable connection (average): 0.32 s

DSL connection (average): 0.6 s

modem (average): 15.02 s

HTTP headers

Information about DNS servers

cs50.tvA140.247.63.243IN3600
cs50.tvSOAns27.domaincontrol.comdns.jomax.net201009070028800 7200 604800 86400 IN 43200
cs50.tvNSns27.domaincontrol.comIN3600
cs50.tvNSns28.domaincontrol.comIN3600

Received from the first DNS server

Request to the server "cs50.tv"
You used the following DNS server:
DNS Name: ns27.domaincontrol.com
DNS Server Address: 216.69.185.14#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 446
flag: qr aa REQUEST: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

REQUEST SECTION:
cs50.tv. IN ANY

ANSWER SECTION:
cs50.tv. 86400 IN SOA ns27.domaincontrol.com. dns.jomax.net. 2010090700 28800 7200 604800 86400
cs50.tv. 3600 IN A 140.247.63.243
cs50.tv. 3600 IN NS ns27.domaincontrol.com.
cs50.tv. 3600 IN NS ns28.domaincontrol.com.

Received 167 bytes from address 216.69.185.14#53 in 13 ms

Received from the second DNS server

Request to the server "cs50.tv"
You used the following DNS server:
DNS Name: ns28.domaincontrol.com
DNS Server Address: 208.109.255.14#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 32146
flag: qr aa rd REQUEST: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

REQUEST SECTION:
cs50.tv. IN ANY

ANSWER SECTION:
cs50.tv. 86400 IN SOA ns27.domaincontrol.com. dns.jomax.net. 2010090700 28800 7200 604800 86400
cs50.tv. 3600 IN A 140.247.63.243
cs50.tv. 3600 IN NS ns27.domaincontrol.com.
cs50.tv. 3600 IN NS ns28.domaincontrol.com.

Received 167 bytes from address 208.109.255.14#53 in 15 ms

Subdomains (the first 50)

Typos (misspells)

xs50.tv
vs50.tv
fs50.tv
ds50.tv
ca50.tv
cz50.tv
cx50.tv
cd50.tv
ce50.tv
cw50.tv
cs40.tv
csr0.tv
cst0.tv
cs60.tv
cs59.tv
cs5o.tv
cs5p.tv
cs5-.tv
s50.tv
c50.tv
cs0.tv
cs5.tv
sc50.tv
c5s0.tv
cs05.tv
ccs50.tv
css50.tv
cs550.tv
cs500.tv

Location

IP: 140.247.63.243

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

Website value

rank in the traffic statistics: 290 144

page wievs - daily average: 361

page views - monthly average: 10 825

visitors - daily average during last 30 days: 200

visitors during last 30 days: 6 014

estimated daily income from ads: 27 USD

estimated monthly income from ads: 812 USD

estimated website value: 20 965 USD

Basic information

website build using CSS

code weight: 104.77 KB

text per all code ratio: 23 %

title: This is CS50 OpenCourseWare

description:

keywords:

encoding:

language: en

Website code analysis

one word phrases repeated minimum three times

two word phrases repeated minimum three times

three word phrases repeated minimum three times

B tags

David J. Malan

U tags

I tags

images

file namealternative text
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headers

H1

H2

H3

H4

H5

H6

internal links

addressanchor text
Accessible
Guestmap
malan@harvard.edu
Lectures
Sections
Problem Sets
Quizzes
Seminars
Papers
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external links

addressanchor text
cs50.net
CS50 Appliance
http://www.cs.harvard.edu/malan/
Harvard College
Sanders Theatre
Memorial Hall
CS50 2010 Soundtrack
▶ Wednesday
▶ Friday
CS50 Fair 2009 Program
CSI miami hi-tech photo software
Gmail Priority Inbox
Zoo Comunale by Marcin Czubala & Hugo
Not Exactly by Deadmau5
Wednesday
Friday
Dancing Cookies
FruitcraftRPG
IceMonkey
Masquerade
Raining Men
Scratch Scratch Revolution
more...
Wednesday
Friday
Wednesday
Friday
Syllabus
Wednesday
Friday
Unofficial Guide to CS at Harvard
Wednesday
Friday
▶ Wednesday
▶ Friday
Sandstorm by Darude
Creep by Scala
Wednesday
Friday
Dancing Cookies
Wednesday
Friday
index
PDF
ZIP
Wednesday
Friday
Wednesday
Friday
Wednesday
Friday
▶ Monday
▶ Wednesday
ariane 5 explosion
Ariane 5 Flight 501
STAR WARS ASCIIMATION
The Computer Wore Tennis SHoes- 1969
We No Speak Americano by Yolanda Be Cool & Dcup
Polita by Zoo Comunale
Monday
Wednesday
Monday
Wednesday
index
PDF
ZIP
Monday
Wednesday
Monday
Wednesday
Monday
Wednesday
▶ Monday
▶ Wednesday
Improved Sorting Algorithm Demo
Sorting Algorithms