2008年PR更新记录

发布:聚友日期:2008年7月16日

到现在为止，已经PR已经更新了若干回，这里统计了到2008年每次的记录。为研究PR更新时间做个参考

Page Rank Export List History Table

Year	Date	Info	Days
2008	Waiting	*TBPR Export Estimation May 21**	139
2008	Feb 26 TBPR Export: Toolbar Pagerank Export. Forum coverage: http://forums.SEOchat.com/google-page-rank-47/PR-update-february-2008t-181477.html Estimated None Feb 26	TBPR & BL Export	47/47
2008	Jan 10 TBPR Export: Toolbar Pagerank Export. Forum coverage: http://www.webmasterworld.com/google/3544735.htm Estimated None Jan 10	TBPR & BL Export	74/74
2007	Oct 28 TBPR Export: Toolbar Pagerank Export. Forum coverage: http://www.webmasterlighthouse.com/forums/showthread.php?t=135 Estimated Jul 21/2007 Oct 28	TBPR & BL Export	181/181
2007	APR 30 TBPR Export: Toolbar Pagerank Export. Forum coverage: http://forums.searchenginewatch.com/showthread.php?t=17370 Estimated APR 15/2007 APR 30	TBPR & BL Export	98/98
2007	Jan 25 Algorithm Update: Algorithm Update. Forum coverage: http://www.mattcutts.com/blog/algorithm-to-reduce-googlebomb-impact/ http://googlewebmastercentral.blogspot.com/2007/01/quick-word-about-googlebombs.html Jan 25	Algo update - Reduce Googlebomb Impact
2007	Jan 25 TBPR Export: Toolbar Pagerank Export. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=231584 Estimated Jan 28/2007 Jan 25	TBPR & BL Export	18/18
2007	Jan 10 TBPR & BL Export: Toolbar Pagerank & BL Export. Forum coverage: http://www.mattcutts.com/blog/infrastructure-status-january-2007/ Estimated Jan 28/2007 Jan 10	TBPR & BL Export	101/101
2006	Sep 28 TBPR & BL Export: Toolbar Pagerank & BL Export. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=148674 http://www.mattcutts.com/blog/new-toolbar-Pageranks-visible/ Estimated Oct 11/2006 Sep 28	TBPR & BL Export	76/76
2006	Jul 13 TBPR & BL Export: Toolbar Pagerank & BL Export. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=107899 Jul 13	TBPR & BL Export	100
2006	APR 05 TBPR Export: Toolbar Pagerank Export. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=71901 APR 04	TBPR Export	45
2006	Mar 28/2006 TB PRogram Update: Google launched a new toolbar update (v 2.0f) for Fire Fox. http://blog.searchenginewatch.com/blog/060406-090216 APR 07	TB PRogram Update FF v2.0f
2006	Feb 18 TBPR & BL Export: Toolbar Pagerank & BackLink Export. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=59164 Feb 18	TBPR & BL Export	122/60
2006	Mar 30/2006 TB PRogram Update: Google launched a new toolbar update (v 4.0.513.2948 Beta) for IE. http://blog.searchenginewatch.com/blog/060406-090216 Jan 30	TB PRogram Update IE v4.0.513.2984 Beta
2006	Jan 4 to Mar 27 Infra Update: Infrastructure update. Matt coverage: http://www.mattcutts.com/blog/indexing-timeline/ http://www.mattcutts.com/blog/q-a-thread-march-27-2006/ http://www.mattcutts.com/blog/bigdaddy-status-update-almost-there/ http://www.mattcutts.com/blog/bigdaddy-PRogress-update/ http://www.mattcutts.com/blog/bigdaddy-on-the-move/ http://www.mattcutts.com/blog/bigdaddy/ http://www.mattcutts.com/blog/SEO-advice-discussing-302-redirects/ Jan 4	Infra Update - BigDaddy
2005	Dec 19 GDPR & BL Export: Google Directory & BackLink Export. Forum coverage: http://www.SEO-guy.com/forum/thread10675.html Dec 19	GDPR & BL Export	106
2005	Nov 04 to Nov 18 Algo Update: Algorithm Update - Jagger 3. Forum coverage: http://www.mattcutts.com/blog/jagger-winding-down/ http://www.mattcutts.com/blog/the-little-301-that-could/ Nov 04	Algo Update - Jagger 3
2005	Oct 27 to Nov 06 Algo Update: Algorithm Update - Jagger 2. Forum coverage: http://www.mattcutts.com/blog/jagger-2-update-info/ Oct 27	Algo Update - Jagger 2
2005	Oct 19 TBPR & BL Export: Google Toolbar Pagerank & BackLink Export. Forum coverage: http://www.mattcutts.com/blog/page/6/ Oct 19	TBPR & BL Export	97/45
2005	Oct 16 to Nov 07 Algo Update: Algorithm Update - Jagger 1. Forum coverage: http://www.mattcutts.com/blog/more-info-on-updates/ Oct 16	Algo Update - Jagger 1
2005	Sep 4 GDPR & BL Export: Google Directory Pagerank & BackLink export. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=27100 Sep 04	GDPR & BL Export	85
2005	Jul 14 PR Update:Toolbar Pagerank & BackLink update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=21294 Jul 14	TBPR & BL Update	83/33
2005	Jun 11 GDPR Update: Goggle Directory Pagerank update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=18363 Jun 11	GDPR Update	18
2005	May 27 BL Update: Backlink update. Forum coverage: http://forums.searchenginewatch.com/showthread.php?t=6162 Jun 08	BL Update
2005	May 27 TBPR Goes Blank: Toolbar Pagerank Goes Grey Everywhere For 3 Days. Most claim it is dead. Forum coverage: http://www.webmasterworld.com/forum80/934.htm May 27	TBPR Goes Grey For 3 Days
2005	May 24 GDPR & BL Update: Google Pagerank & Backlink Update. Forum coverage: http://forums.searchenginewatch.com/showthread.php?t=5852 May 24	GDPR & BL Update	32
2005	APR 22 TBPR, GDPR & BL Update:Toolbar Pagerank, Google Directory & Backlink update. Forum coverage: http://forums.searchenginewatch.com/showthread.php?t=5356 APR 22	TBPR, GDPR & BL Update	111/50
2005	Mar 04/2005 BL Update:Backlink Update. Forum coverage: http://forums.searchenginewatch.com/showthread.php?t=4505 Mar 04	BL Update
2005	Mar 3/2005 GDPR Update:Google Directory PR Update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=10635 Mar 03	GDPR Update	28
2005	Feb 23/2005 TB PRogram Update: Google launched a new toolbar update (v 3.0.119.6) with a change algorithm for computing the checksum. Feb 23	TB PRogram Update IE 3.0.119.6
2005	Feb 04 GDPR Update:Google Directory PR Update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=9219 Feb 04	GDPR Update	24
2005	Feb 03 BL & Algo Update:Google Backlink & Algorithm update. Lots of SEO sites seemed to just drop out of the SERP. http://www.webmasterworld.com/forum30/27801.htm Forum coverage: http://forums.digitalpoint.com/showthread.php?t=9022 Feb 03	BL & Algo Update
2005	Jan 10 GDPR Update:Google Directory Pagerank Update. Forum coverage: http://forums.SEOchat.com/t21038/s.html Jan 10	GDPR Update	88
2005	Jan 1 TBPR & BL Update:Toolbar Pagerank & Backlink Update. Forum coverage: http://www.v7n.com/forums/showthread.php?t=16258 Jan 1	TBPR & BL Update	87/16
2004	Dec 16 BL Update:Google Backlink update. Forum coverage: http://www.v7n.com/forums/showthread.php?t=16258 Dec 16	BL Update
2004	Nov 25 BL Update:Google Backlink update. Forum coverage: http://www.SEO-guy.com/forum/thread4727.html Nov 25	BL Update
2004	Oct 28 GDPR Update:Google Directory PR Update? Forum coverage: http://forums.SEOchat.com/t17631/s.html Oct 28	GDPR Update?	??
2004	Oct 28 BL Update:Google Backlink update. Forum coverage: http://forums.searchenginewatch.com/showthread.php?p=20199 Oct 28	BL Update
2004	Oct 18 BL Update Roll Back:Oct 16th Backlink Update Was Rolled Back. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=4141&page=5&pp=10 Oct 18	BL Update Rolled Back
2004	Oct 17 GDPR Update:Google Directory update. Forum coverage: http://forums.SEOchat.com/t17053/s.html Oct 17	GDPR Update	67
2004	Oct 16 BL Update:Backlink update - Was rolled back Oct 18. Forum coverage: http://forums.SEOchat.com/t17003/s.html Oct 16	BL Update
2004	Oct 6/2004 Toolbar Update: Longest wait for a toolbar update. 106 days. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=3833 Oct 6	TBPR Update; No BL Update	106
2004	Sept 10/2004 Backlinks (BL) Update: Fourth BL update since the last June 23 PR toolbar update. Forum coverage: http://www.webmasterworld.com/forum3/25686.htm Sept 10	BL Update
2004	Sept 8/2004 Toolbar Update: Google launched a new toolbar update (v 2.0.114). Sept 8	TB PRogram Update
2004	Aug 30/2004 Backlinks (BL) Update: Third BL update since the last June 23 PR toolbar update. Forum coverage: http://forums.SEOchat.com/t14908/s.html http://searchguild.com/tpage14349-0.html Aug 30	BL Update
2004	Aug 10/2004 Google Directory Update: First Google PR update since the last June 23 PR toolbar update. Forum coverage: http://www.seroundtable.com/archives/000747.html Aug 10	GDPR Update	158?
2004	Aug 9/2004 Backlinks (BL) Update: Second BL update since the last June 23 PR toolbar update. Forum coverage: http://www.ozzu.com/ftopic29477.html Aug 9	BL Update
2004	July 16/2004 Backlink (BL) Update: First BL updated since the June 23 PR update; No PR update; discussion on the forums of Google going to quarterly toolbar PR update. Forum coverage: http://forums.SEOchat.com/showthread.php?t=13196 Jul 16	BL Update
2004	From this date to May 6th 2003 Web Rank Info's list from http://www.webrankinfo.com/google/google-dance/historique-google-dance.php is the source for the dates used. Web Rank Info's dates are a bit different than I found from other sources, (they are based on EU time and use a Monday date if the update happened over the weekend), but they are more complete. I changed the EU Jun 23 date to Jun 22. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=1329 Forum dates for updates: http://forums.SEOchat.com/t11000/s.html #8 McDar Nov 20 through APR 23 dates. Jun 22	TBPR & BL Update	22
2004	May 31/2004 Toolbar PR & BL Update: Backlink and toolbar PR update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=860 May 31	TBPR & BL Update	38
2004	APR 7/2004 Toolbar PR & BL Update: Backlink and toolbar PR update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=411 APR 23	TBPR & BL Update	16
2004	APR 7/2004 Toolbar PR & BL Update: Backlink and toolbar PR update. Forum coverage: http://forums.digitalpoint.com/showthread.php?t=284 APR 7	TBPR & BL Update	22
2004	Mar 16/2004 Toolbar PR & BL Update: Backlink and toolbar PR update. Google Directory PR update also http://www.webmasterworld.com/forum3/10706.htm . Forum coverage: http://forums.digitalpoint.com/showthread.php?t=110 Mar 16	TBPR, GDPR & BL Update	50
2004	Feb 11/2004 Algorithm Update: Algorithm Update, perhaps BL Update. No TB PR change. Forum coverage: http://www.webPRoworld.com/viewtopic.php?t=13845 Feb 11	Brandy: Algo Update
2004	Jan 26/2004 BL TBPR Update: TBPR & BL Update. Forum coverage: http://www.seroundtable.com/archives/000092.html Jan 26	TBPR & BL Update	15
2004	Jan 11/2004 Toolbar PR & BL Update: TBPR & BL update. Forum coverage: http://www.webPRoworld.com/viewtopic.php?t=11631 Jan 11	Austin: TBPR & BL Update	19
2003	Jan 23/2004 Toolbar PR Update: Toolbar PR update. Forum coverage: http://www.webPRoworld.com/viewtopic.php?t=10618 Dec 23	TBPR & BL Update	17
2003	Dec 6/2003 Toolbar PR Update: Toolbar PR update. Forum coverage: http://www.jimworld.com/apps/webmaster.forums/action::thread/forum::google/thread::1070753785 Dec 6	TBPR Update	20
2003	Nov 16-24/2003 TBPR, BL & Algo Update: Toolbar PR, Backlinks and Algorithm Update. Forum coverage: http://www.webPRoworld.com/viewtopic.php?t=9034 Nov 16	Florida: TBPR, BL & Algo Update	21
2003	Oct 26		35
2003	Oct 2/2003 GDPR Update Google Directory Update. Last GDPR Update was 7 months ago. Forum coverage: http://www.webPRoworld.com/viewtopic.php?t=7829 Oct 2	GDPR Update
2003	Sept 21		23
2003	Aug 29		21
2003	Aug 8		54
2003	Jun 15		40
2003	May 6		25
2003	All the below dates are from eSavvyMarketing www.esavvymarketing.com/index.php?nic=google-dance-history and double checked against the WebmasterWorld list found at www.webmasterworld.com/forum3/2657.htm APR 11		36
2003	Mar 6		41
2003	Jan 25		24
2003	Jan 1		35
2002	Nov 27		27
2002	Oct 31/2002 Toolbar PR & BL Update: Toolbar PR & BL Update. Forum coverage: http://www.webmasterworld.com/forum3/6459.htm Oct 31	TBPR & BL Update	35
2002	Sept 26/2002 TBPR, GDPR & BL Update: Toolbar PR, Google Directory PR & Backlink Update. Forum coverage: http://www.webmasterworld.com/forum3/5628.htm Sept 26	TBPR GDPR & BL Update	36
2002	Aug 21/2002 TBPR, GDPR & BL Update: Toolbar PR, Google Directory PR & Backlink Update. Forum coverage: http://www.webmasterworld.com/forum3/4925.htm Aug 21	TBPR GDPR & BL Update	27
2002	July 25/2002 Toolbar PR & BL Update: Toolbar PR & BL Update. Forum coverage: http://www.webmasterworld.com/forum3/4367.htm Jul 25	TBPR & BL Update	32
2002	Jun 23/2002 Toolbar PR & BL Update: Toolbar PR & BL Update. Forum coverage: http://www.webmasterworld.com/forum3/3778.htm Jun 23	TBPR & BL Update	30
2002	May 24		29
2002	APR 25		19
2002	APR 6		45
2002	Feb 20		26
2002	Jan 25		29
2001	Dec 27		32
2001	Nov 25		28
2001	Oct 28		42
2001	Sept 16		28
2001	Aug 19		31
2001	Jul 19		30
2001	Jun 22		32
2001	May 21		28
2001	APR 23		28
2001	Mar 26		35
2001	Feb 19		29
2001	Jan 21		33
2000	Dec 19		31
2000	Nov 18		27
2000	Oct 22		54
2000	Aug 29		34
2000	Jul 26		Unknown

Tags: PR

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