last data update: 2011/10/20, 20:59

Website loading time

during the test: 0.85 s

cable connection (average): 0.9 s

DSL connection (average): 0.94 s

modem (average): 3.39 s

HTTP headers

Information about DNS servers

pnas.orgNSNS3.highwire.orgIN42455
pnas.orgNSNS5.highwire.orgIN42455
pnas.orgNSNS1.highwire.orgIN42455

Received from the first DNS server

Request to the server "pnas.org"
You used the following DNS server:
DNS Name: NS3.highwire.org
DNS Server Address: 171.66.121.6#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 7176
flag: qr aa rd ra REQUEST: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 3

REQUEST SECTION:
pnas.org. IN ANY

ANSWER SECTION:
pnas.org. 172800 IN SOA NS1.highwire.org. namedb.highwire.Stanford.EDU. 2011082200 1200 600 604800 3600
pnas.org. 172800 IN NS NS5.highwire.org.
pnas.org. 172800 IN NS NS1.highwire.org.
pnas.org. 172800 IN NS NS3.highwire.org.
pnas.org. 3600 IN A 171.66.121.222

SECTION NOTES:
NS1.highwire.org. 3600 IN A 171.66.121.100
NS3.highwire.org. 3600 IN A 171.66.121.6
NS5.highwire.org. 3600 IN A 171.66.232.32

Received 217 bytes from address 171.66.121.6#53 in 75 ms

Received from the second DNS server

Request to the server "pnas.org"
You used the following DNS server:
DNS Name: NS5.highwire.org
DNS Server Address: 171.66.232.32#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 9231
flag: qr aa rd ra REQUEST: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 3

REQUEST SECTION:
pnas.org. IN ANY

ANSWER SECTION:
pnas.org. 172800 IN SOA NS1.highwire.org. namedb.highwire.Stanford.EDU. 2011082200 1200 600 604800 3600
pnas.org. 172800 IN NS NS1.highwire.org.
pnas.org. 172800 IN NS NS3.highwire.org.
pnas.org. 172800 IN NS NS5.highwire.org.
pnas.org. 3600 IN A 171.66.121.222

SECTION NOTES:
NS1.highwire.org. 3600 IN A 171.66.121.100
NS3.highwire.org. 3600 IN A 171.66.121.6
NS5.highwire.org. 3600 IN A 171.66.232.32

Received 217 bytes from address 171.66.232.32#53 in 75 ms

Subdomains (the first 50)

Typos (misspells)

onas.org
lnas.org
-nas.org
0nas.org
pbas.org
pmas.org
pjas.org
phas.org
pnzs.org
pnss.org
pnws.org
pnqs.org
pnaa.org
pnaz.org
pnax.org
pnad.org
pnae.org
pnaw.org
nas.org
pas.org
pns.org
pna.org
npas.org
pans.org
pnsa.org
ppnas.org
pnnas.org
pnaas.org
pnass.org

Location

IP: 171.66.121.222

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

Website value

rank in the traffic statistics:

There is not enough data to estimate website value.

Basic information

website build using CSS

code weight: 17.81 KB

text per all code ratio: 44 %

title: Proceedings of the National Academy of Sciences

description:

keywords:

encoding: UTF-8

language: en

Website code analysis

one word phrases repeated minimum three times

PhraseQuantity
of11
PNAS8
>>7
the7
Sciences7
Articles5
Academy5
National4
from3
Online3
and3
research3
20113
by3

two word phrases repeated minimum three times

PhraseQuantity
Academy of4
of Sciences4
National Academy4
the National4

three word phrases repeated minimum three times

PhraseQuantity
National Academy of4
the National Academy4
Academy of Sciences4

B tags

U tags

I tags

images

headers

H1

H2

H3

H4

H5

H6

internal links

addressanchor text
Feature Articles
PNAS Plus
Commentaries
Letters
Inaugural Articles
PNAS Profiles
Sustainability Science
Special Features
Sackler Colloquia
Podcasts
Collected Papers
Early Edition
Highlights from Early Edition >>
Current Issue
In This Issue >>
Preindustrial climate change and human crisis
Genomes as dynamic networks
Genetic reprogramming of mouse cells
Nanoparticles for brain tumor treatment
Inflammation and Salmonella infection
50 Most-Read Articles >>
PNAS in the News >>
Recent Press Highlights >>
http://intl.pnas.org
XML (RSS)

external links

addressanchor text
National Academy of Sciences
Stanford University's Highwire PressĀ®
HighWire Press