Blogosphere Authority Index

July 25, 2010

The Blogosphere Authority Index (BAI) is an aggregation system for separate rankings of blog authority.

Blogosphere Authority Index - Quick Overview
BAI	The raw NCS, HAS, STS, and CAS scores are combined, adding the three best scores together and dropping the fourth from the study, and then ranked to get the final BAI score.
NCS	The Network Centrality Score gathers applied sociometric data based on appearance in progressive blogrolls.
HAS	The Hyperlink Authority Score is a measure of a site's Authority among political bloggers using link patterns, as measured by Technorati^©.
STS	The Site Traffic Score measures visits per day statistics as measured by a combination of Sitememter^© and Alexa^© traffic rankings.
CAS	The Community Activity Score measures interactive participation as measured by total blog comments.

Progressive Blogs Combined Rank		BAI Rank	Conservative Blogs Combined Rank
Huffington Post	1	1	Hot Air	4
DailyKos	2	2	Big Government	5
Talking Points Memo	3	3	Newsbusters	9
Firedoglake	5	4	Ace Of Spades HQ	12
America Blog	7	5	American Thinker	15
Atrios	7	6	Michelle Malkin	16
Crooks And Liars	10	7	Townhall	17
Washington Monthly	11	8	Volokh Conspiracy	19
Think Progress	13	9	Ann Althouse	23
MattYGlesias	14	10	Instapundit	25
Digby	18	11	Powerline Blog	27
Balloon Juice	20	12	Outside The Beltway	31
Ezra Klein	21	13	Gateway Pundit	32
Five Thirty Eight	22	14	Patterico's Pontifications	35
Truthdig	24	15	Red State	36
Sadly, No!	26	16	Memeorandum	39
Talk Left	28	17	Wizbang Blog	42
Feministing	29	18	Jawa Report	43
Pandagon	30	19	Anti-Idiotarian	44
Shakespeares Sister	33	20	American Digest	45
Glen Greenwald	34	21	Right Wing News	46
Juan Cole	36	22	Black Five	46
The Moderate Voice	38	23	IMAO	48
Crooked Timber	39	24	Professor Bainbridge	49
Open Left	39	25	LaShawn Barber	50

Number of Blogs In The Progressive Neighborhood: 25
Date Calculated: 7/25/2010

Blogosphere Authority Index Progressive Blogs
Blog		Component Score
Name	BAI	NCS	HAS	STS	CAS
Huffington Post	1	15	1	1	2
DailyKos	2	2	4	2	1
Talking Points Memo	3	4	10	3	7
Firedoglake	4	1	14	9	5
Atrios	5	3	13	13	4
America Blog	6	9	8	4	12
Crooks And Liars	7	6	11	8	9
Washington Monthly	8	9	6	12	13
Digby	9	4	9	15	16
MattYGlesias	10	16	5		10
Five Thirty Eight	10	40	7	6	18
Balloon Juice	10	28	12	11	8
Think Progress	13	28	2		6
Ezra Klein	13	16	3		17
Truthdig	15	21	15	7	26
Talk Left	16	9	23	21	14
Pandagon	17	8	39	17	21
Sadly, No!	18	21	31	25	3
The Moderate Voice	19	47	17	14	19
Shakespeares Sister	20	28	22	18	11
Feministing	21	28	16	10	27
Juan Cole	22	9	49	16	29
Open Left	22	9	41	20	25
Glen Greenwald	24	9	35		15
Crooked Timber	25	21	21	19	22

Number of Blogs In The Conservative Neighborhood: 25
Date Calculated: 7/25/2010

Blogosphere Authority Index Conservative Blogs
Blog		Component Score
Name	BAI	NCS	HAS	STS	CAS
Hot Air	1	2	1	39	3
Big Government	2	28	3	5	2
Newsbusters	3	20	5	3	5
Ace Of Spades HQ	3	5	26	7	1
Michelle Malkin	5	1	6	38	9
American Thinker	6	20	8	4	7
Townhall	6	28	4	2	13
Volokh Conspiracy	8	11	7	9	6
Ann Althouse	9	14	9	13	4
Powerline Blog	10	4	2		23
Patterico's Pontifications	10	7	12	18	10
Instapundit	10	3	25	1	49
Outside The Beltway	10	9	10	10	16
Gateway Pundit	14	14	27	8	8
Wizbang Blog	15	7	14	14	14
Memeorandum	16	14	11	11	43
Jawa Report	17	6	33	15	18
Red State	18	26	45	6	12
IMAO	19	13	17	21	20
American Digest	20	26	16	16	21
Anti-Idiotarian	21	28	21	22	11
Right Wing News	22	9	32	43	15
LaShawn Barber	23	14	24	20	42
Black Five	24	36	13	19	27
Professor Bainbridge	24	14	15	41	30

Number of Blogs In The Combined Neighborhood: 50
Date Calculated: 7/25/2010

Blogosphere Authority Index - Combined Blogs
Blog		Component Score
Name	BAI	NCS	HAS	STS	CAS
Huffington Post	1	16	1	1	2
DailyKos	2	2	5	2	1
Talking Points Memo	3	4	19	3	10
Hot Air	4	15	2	43	5
Big Government	5	49	9	11	4
Firedoglake	5	1	25	15	8
America Blog	7	9	16	5	20
Atrios	7	3	23	20	7
Newsbusters	9	43	11	7	13
Crooks And Liars	10	6	20	12	15
Washington Monthly	11	10	7	19	21
Ace Of Spades HQ	12	21	42	14	3
Think Progress	13	27	3		9
MattYGlesias	14	18	6		16
American Thinker	15	44	14	10	17
Michelle Malkin	16	8	12	42	23
Townhall	17	48	10	6	29
Digby	18	5	17	25	28
Volokh Conspiracy	19	35	13	21	14
Balloon Juice	20	26	22	17	11
Ezra Klein	21	19	4		30
Five Thirty Eight	22	34	15	8	31
Ann Althouse	23	39	18	27	12
Truthdig	24	24	26	9	43
Instapundit	25	17	41	4
Sadly, No!	26	22	38	39	6
Powerline Blog	27	20	8		42
Talk Left	28	13	36	37	22
Feministing	29	29	27	16	44
Pandagon	30	7	47	29	37
Outside The Beltway	31	32	21	22	34
Gateway Pundit	32	41	43	18	18
Shakespeares Sister	33	28	35	31	19
Glen Greenwald	34	11	44		26
Patterico's Pontifications	35	31	28	34	24
Red State	36	46	49	13	27
Juan Cole	36	14	48	26	46
The Moderate Voice	38	37	29	23	35
Open Left	39	12	50	36	40
Memeorandum	39	40	24	24
Crooked Timber	39	23	33	32	38
Wizbang Blog	42	30	31	28	32
Jawa Report	43	25	46	30	36
Anti-Idiotarian	44	47	39	41	25
American Digest	45	45	34	33	41
Right Wing News	46	33	45	44	33
Black Five	46	50	30	35	45
IMAO	48	36	37	40	39
Professor Bainbridge	49	38	32	45	47
LaShawn Barber	50	42	40	38