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CZ:PageRank analysis of Citizendium articles

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PageRank analysis of Citizendium articles was done in March 2010 to try to understand why some Citizendium articles appeared earlier in Google searches than other articles. PageRank is a Google term which describes how likely a given web page is to appear on a search engine results page or SERP; a page rank of "10/10" means the it will appear first, while a page rank of "0/10" means it is highly unlikely that a given web site will appear at all. A number of variables were studied (see wikitable below). The major finding was that articles with plenty of inbound links tended to have higher PageRanks. Articles with fewer inbound links tended to be more obscure. PageRank also correlates with articles written earlier, but older articles are more likely to have other articles linking to them. While internal links explains some of the PageRank results, it doesn't explain everything; it is believed that other variables, such as the uniqueness of an article title, how recently the page was "crawled" using a Google crawler, and number and strength of external links is a factor. Overall, Citizendium's main page has a PageRank of "5/10"; Wikipedia's main page has a PageRank of 8/10; and Amazon has a PageRank of 9/10.

PageRank Analysis Table

Double click the triangle button first in the "What links here" column to organize this column numerically. Next, double-click the triangle button in the Google PageRank column. Higher PageRank numbers correspond to articles with greater numbers of internal wikilinks.

CZ article title Date created (YYYYDD) Google PageRank (as per this tool) 10/10=BEST 0/10=totally obscure # CZ articles "What links here" (est) Number of CZ revisions Approved (a) or Draft (d)? # CZ contributors (estimate) Notes
Terrorism 200712 3/10 500 8 a 3
Lucille Ball 200812 0/1013 4 d 3
Script kiddie 201002 0/109 d
Dana Delany 201002 0/10 1 2 d
Lady Gaga 201002 0/1020 13 d 4
Bromance 201003 0/1013 6 d 1
Albert Einstein 200611 3/10 180 42 d 17
Restructuring of the United States Army 200807 2/10 175 54 d 5
Solid harmonics 200708 0/1029 22 d 3
Plane (geometry) 200703 0/10 35 16 d 9
Gaussian elimination 200905 0/10 9 8 d 2
Linear algebra 200811 2/1035 2 d 1
Cloud computing 200807 2/10 50 117 d 6 CZ really first; three ads for CC came up first
Horticulture 200612 2/1035 13 d 7 "CZ: workgroup requests" ranks 2nd
Business 200707 0/10112 18 d 3 "CZ:Business Workgroup" was 2nd; the business article was 3rd -
Truth 200805 2/10 35 11 d 5 Jacques Derrida, and Aesthetics came up #2 and #3
Anthropology 200707 4/10 370 41 d 10 CZ:anthropology workgroup came up #9
Applied social sciences 200803 2/10 28 15 d 6 Anthro:catalogs 3/10 biblio 3/10 rel art 3/10
Henry Ford 200704 3/1045 41 d 10 HF's external links, and bibliography were #2 and #3
Nobel Prize 200810 3/10140 9 d 4
Norway 200705 0/10 135 56 d 4 The Norway "Gallery" came up 1st; a collection of images about Norway.
Great Britain 200704 3/10150 39 d 6
United Kingdom 200611 0/10 1000 163 d 22 What came first? "Parliament of the United Kingdom - encyclopedia article - Citizendium" Why? "Catalogs" came 3rd.
Scottish Parliament 200801 2/1039 12 d 4
Royal Palace of Holyroodhouse 200805 0/10 16 7 d 2 First: Royal Mile article on CZ; second: Edinburgh (external links); third: Scottish Parliament; 4th = RP of H (related articles)
Arthur's Seat 200801 0/1019 6 d 4 Scottish Parliament article #2; Royal Mile article #3; Arthur's Seat external links comes #7
Photosynthesis 200808 2/1090 108 d 6 Photosynthesis "Gallery" comes #2
Handyman 201002 0/1012 24 d 2 CZ's Cottage industry comes 1st; Tool related articles comes #5
Guitar 200810 0/10 125 10 d 7
Hierarchical clustering 200911 0/1010 7 d 2 CZ article "Bioinformatics - encyclopedia article - Citizendium" comes 1st; the talk page of Hc comes about 8th.
Human 200710 4/10380 9 d 6
Chimpanzee 200802 3/1044 35 d 7
Money 200706 3/1040 12 d 5 "Money supply" on CZ came up first, "Monetarism" came up 2nd
Money supply 200811 3/1050 11 d 2
Brain morphometry 200804 2/1050 100 d 3
Gyrification 200804 3/1090 100 d 2
Cortical thickness 200804 2/1050 20 d 2
Neuroimaging 200811 4/10150 20 d 4
Music perception 200806 4/1050 11 d 6
Open access 200611 0/1050 20 d 9
Open science 201002 0/1020 3 d 1
Spherical harmonics 200708 2/1050 100 d 5
Biology 200610 4/101000 700 a 5
Life 200612 4/10150 1500 a 5 First is Life/Signed_Articles/John_Whitfield

Notes

The variable "what links here" was obtained by clicking on the box on the left hand column by that name when looking at a particular article. Rough counts were made.

This data was obtained in March 2010. As Citizendium grows, the numbers will change.

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