www.davidbcalhoun.com - davidbcalhoun

last data update: 2011/10/15, 00:16

Server
DNS
Domain
Map
Valuation
Content

Website loading time

during the test: 0.93 s

cable connection (average): 1.12 s

DSL connection (average): 1.31 s

modem (average): 11.25 s

HTTP headers

HTTP/1.1 200 OK

Date: Sat, 15 Oct 2011 07:16:09 GMT

Server: Apache

X-Pingback: http://davidbcalhoun.com/xmlrpc.php

Vary: Accept-Encoding

Content-Length: 73951

Connection: close

Content-Type: text/html; charset=UTF-8

Information about DNS servers

davidbcalhoun.com	A	67.205.46.105	IN	14400
davidbcalhoun.com	SOA	ns1.dreamhost.com	hostmaster.dreamhost.com	2011051100	16585 1800 1814400 14400 IN 14400
davidbcalhoun.com	NS	ns2.dreamhost.com	IN	14400
davidbcalhoun.com	NS	ns1.dreamhost.com	IN	14400
davidbcalhoun.com	NS	ns3.dreamhost.com	IN	14400

Received from the first DNS server

Request to the server "davidbcalhoun.com"
You used the following DNS server:
DNS Name: ns2.dreamhost.com
DNS Server Address: 208.96.10.221#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 7087
flag: qr aa rd REQUEST: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 3

REQUEST SECTION:
davidbcalhoun.com. IN ANY

ANSWER SECTION:
davidbcalhoun.com. 14400 IN NS ns1.dreamhost.com.
davidbcalhoun.com. 14400 IN NS ns2.dreamhost.com.
davidbcalhoun.com. 14400 IN NS ns3.dreamhost.com.
davidbcalhoun.com. 14400 IN A 67.205.46.105
davidbcalhoun.com. 14400 IN SOA ns1.dreamhost.com. hostmaster.dreamhost.com. 2011051100 16585 1800 1814400 14400

SECTION NOTES:
ns1.dreamhost.com. 14400 IN A 66.33.206.206
ns3.dreamhost.com. 14400 IN A 66.33.216.216
ns2.dreamhost.com. 14400 IN A 208.96.10.221

Received 210 bytes from address 208.96.10.221#53 in 83 ms

Received from the second DNS server

Request to the server "davidbcalhoun.com"
You used the following DNS server:
DNS Name: ns1.dreamhost.com
DNS Server Address: 66.33.206.206#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 55911
flag: qr aa rd REQUEST: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 3

REQUEST SECTION:
davidbcalhoun.com. IN ANY

ANSWER SECTION:
davidbcalhoun.com. 14400 IN NS ns3.dreamhost.com.
davidbcalhoun.com. 14400 IN SOA ns1.dreamhost.com. hostmaster.dreamhost.com. 2011051100 16585 1800 1814400 14400
davidbcalhoun.com. 14400 IN NS ns2.dreamhost.com.
davidbcalhoun.com. 14400 IN A 67.205.46.105
davidbcalhoun.com. 14400 IN NS ns1.dreamhost.com.

SECTION NOTES:
ns2.dreamhost.com. 14400 IN A 208.96.10.221
ns1.dreamhost.com. 14400 IN A 66.33.206.206
ns3.dreamhost.com. 14400 IN A 66.33.216.216

Received 210 bytes from address 66.33.206.206#53 in 74 ms

Subdomains (the first 50)

Typos (misspells)

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Location

IP: 67.205.46.105

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

Website value

rank in the traffic statistics:

There is not enough data to estimate website value.

Basic information

website build using CSS

code weight: 72.22 KB

text per all code ratio: 60 %

title: David B. Calhoun – Developer Blog

description:

keywords:

encoding: UTF-8

language: en-US

Website code analysis

one word phrases repeated minimum three times

Phrase	Quantity
the	130
to	87
of	66
and	55
is	51
that	47
for	40
on	39
in	32
be	27
iPhone	25
you	24
it	22
with	21
this	20
which	19
by	17
images	15
but	15
your	14
can	14
base64	14
JavaScript	14
are	13
or	13
as	13
an	13
been	12
so	12
has	11
one	11
if	11
up	11
UI	11
do	11
The	11
will	11
it’s	10
4+	10
CSS	10
want	10
into	10
//	10
means	10
This	10
need	10
only	9
mobile	9
they	9
time	9
–	9
using	9
have	9
advantage	9
when	8
3GS	8
image	8
encoding	8
all	8
from	8
iOS	8
small	8
not	7
my	7
our	7
use	7
than	7
best	7
we	7
might	7
some	7
If	7
For	7
was	7
Mobile	7
these	7
data	7
at	7
page	7
know	6
performance	6
requests	6
there’s	6
binary	6
support	6
what	6
browser	6
should	6
Android	6
also	6
more	6
*/	6
each	6
how	6
/*	6
across	6
even	6
their	5
bandwidth	5
may	5
navigator.connection	5
research	5
available	5
code	5
file	5
sprites	5
HTML5	5
3G	5
tests	5
HTTP	5
something	5
where	5
Take	5
cache	5
about	5
reduce	5
out	5
4S	5
hardware	5
However,	5
phones	4
Performance	4
Opera	4
request	4
Is	4
resolution	4
doesn’t	4
When	4
desktop	4
such	4
Steve	4
results	4
instead	4
first	4
SunSpider	4
mean	4
wanted	4
user	4
high	4
because	4
though	4
you’re	4
2011	4
still	4
delay	4
Use	4
More	4
test	4
Here’s	4
layer	4
===	4
write	4
looks	4
around	4
Leave	4
few	4
Comment	4
DNS	4
vs	4
sure	4
just	4
faster	4
screen	4
element	4
CSS,	3
smart	3
cached	3
request.	3
take	3
GPU	3
set	3
combine	3
get	3
clicked	3
translateZ(0);	3
same	3
don’t	3
translate3d(0,0,0);	3
e-mobile	3
this,	3
make	3
this:	3
-webkit-transform:	3
(iOS5)	3
server,	3
lot	3
web	3
like	3
sent	3
There’s	3
going	3
several	3
two	3
it.	3
no	3
made	3
images.	3
aren’t	3
probably	3
serve	3
(which	3
them	3
values	3
through	3
limit	3
Test	3
good	3
actually	3
encode	3
assets	3
connection	3
UNKNOWN:	3
connection.type	3
add	3
now	3
October	3
taken	3
@media	3
styles	3
icons	3
You	3
Mini	3
Avoid	3
->	3
Before	3
Keep	3
mind	3
since	3
pretty	3
files	3
being	3
viewport	3
Google	3
easy	3
simply	3
screen,	3
avoid	3
acceleration	3
second	3
already	3
Emoji	3
Unicode	3
library	3
Web	3
On	3
downloading	3
try	3
old	3
bit	3
URIs	3
much	3
note	3
memory	3
Souders	3
latest	3
new	3
test:	3
versus	3
defaults	3
com.apple.Safari	3
(to	3
But	3
Comments	3
server	3
limited	3
To	3

two word phrases repeated minimum three times

Phrase	Quantity
of the	12
which is	11
want to	10
advantage of	8
on the	8
iPhone 3GS	7
to the	6
base64 encoding	6
in the	6
at the	6
need for	6
to do	5
the UI	5
iPhone 4S	5
Take advantage	5
that the	4
with the	4
might be	4
such as	4
Is base64	4
for the	4
know that	4
the need	4
the page	4
has been	4
faster than	4
instead of	4
can be	4
Leave Comment	4
wanted to	4
you can	3
in mind	3
will be	3
that only	3
Mini 4+	3
it was	3
one with	3
with set	3
styles */	3
You can	3
if you	3
high resolution	3
you want	3
set of	3
encoding best	3
connection.type ===	3
base64 encode	3
small UI	3
4+ Opera	3
Opera Mini	3
by the	3
translateZ(0); */	3
to be	3
that are	3
write com.apple.Safari	3
defaults write	3
when the	3
or translateZ(0);	3
the same	3
iPhone iPhone	3
the browser	3
means that	3
Steve Souders	3
This is	3
clicked on	3
they clicked	3
the GPU	3
hardware acceleration	3
need to	3
4S iPhone	3
-webkit-transform: translate3d(0,0,0);	3
translate3d(0,0,0); /*	3
lot of	3
/* or	3

three word phrases repeated minimum three times

Phrase	Quantity
Take advantage of	5
the need for	4
Is base64 encoding	4
iPhone 4S iPhone	3
4S iPhone iPhone	3
iPhone iPhone 3GS	3
defaults write com.apple.Safari	3
4+ Opera Mini	3
-webkit-transform: translate3d(0,0,0); /*	3
that the UI	3
with set of	3
you want to	3
one with set	3
base64 encoding best	3
translate3d(0,0,0); /* or	3
they clicked on	3
Opera Mini 4+	3
/* or translateZ(0);	3
or translateZ(0); */	3

B tags

U tags

I tags

images

file name	alternative text
4S-1024x768.jpg	Canon 7D, shot with an iPhone 4S
4-1024x764.jpg	Canon 7D, shot with an iPhone 4
3GS-1024x768.jpg	Canon 7D, shot with an iPhone 3GS
3GS-alt-1024x768.jpg
odometer.jpg	HTTP Pipelining diagram
mobile-site-organization.png	:)
responsive-images.jpg
emoji3.png
gmail-deferred-javascript-execution.png
debug-composited-layers-hardware-acceleration.png
pipelining.png
icon_smile.gif

headers

David B. Calhoun – Developer Blog

iOS5 SunSpider: iPhone 4S vs iPhone 4 vs iPhone 3GS

iPhone 4S, iPhone 4, and iPhone 3GS photo comparison

Mobile Performance Manifesto

When to base64 encode images (and when not to)

Different ways of defining functions in JavaScript (this is madness!)

iOS5 SunSpider: iPhone 4S vs iPhone 4 vs iPhone 3GS

iPhone 4S, iPhone 4, and iPhone 3GS photo comparison

Mobile Performance Manifesto

When to base64 encode images (and when not to)

Different ways of defining functions in JavaScript (this is madness!)

;

Function expressions: var B = function()

;

Function expressions with grouping operators: var C = (function()

);

Named function expression: var D = function foo()

internal links

address	anchor text
;	})();
Immediately-invoked function expressions (IIFE): var E = (function(){return function()	Function constructor: var F = new Function();

external links

address	anchor text
;	Boomerang Tests (running on a California-hosted server)
Further reading	JavaScript examples

domstat.net

davidbcalhoun.com

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