The Evolution Of Making Page I
- USA search engine marketing industry. Value in US dollars (billions): 1) 2004 - 4.1; 2) 2005 - 5.8; 3) 2006 - 9.5; 4) 2007 - 12.2; 5) 2008 - 13.5; 6) 2009 - 14.6; 7) 2010 - 16.6; 8) 2011 - 19.3.
- Search engine market share: 1) Google: 2002 ~ 30%; 2003 ~ 37%; 2004 ~ 41%; 2005 ~ 37%; 2006 ~ 44%; 2007 ~ 50%; 2008 ~ 84%; 2009 ~ 83%; 2010 ~ 79%; 2011 ~ 79%.
- 1994: 1) Lycos is launched. Lycos is the first search engine to use a crawler (spider), database, and software interface (to rank result); 2) Webcrawler is launched. WebCrawler is the first true robot, and begins to index
the entire content of the Web.
- 1995: 1) Page I requirements: Title optimization for alphabetical listing on directions; 2) Major ranking factors: Discovery of business models based entirely on organic search; Search engines are essential directories in
alphabetical order; 3) AltaVista is launched; 4) Infoseek is launched; 5) Yahoo! is launched using a web directory. Not a full text index.
- 1996: 1) Major ranking factors: Dominance of on-page SEO; Use of simple keyword is very effective; Keyword density and page location are now important; You can get your site listed in Yahoo by merely submitting
it; 2) Inktomi/Hotbot is launched.
- 1997: 1) Page I requirements: Keywords are king; 2) Major ranking factors: Everything is just about putting the right words on the website; The first software programs to crack search algorithms appear; "Search Engine
Optimization/SEO" terminology first used; 3) Ask/Ask Jeeves is launched.
- 1998: 1) Major ranking factors: Google is launched. PageRank is born; Most search engines moves to off-page criteria for their ranking algorithms; 2) Most relevant changes and updates: First PPC Model developed
by Goto.com; Inktomi powers MSN Search; 3) DMOZ is launched; 4) MSN Search is launched; 4) Google is launched; 5) Goto is launched.
- 1999: 1) Page I requirements: Meta tags; 2) Major ranking factors: Previous traditional algorithm decoding techniques are no longer useful; Directories and rudimentary search algorithms to rank pages on easily
manipulated meta tags.
- 2000: 1) Major ranking factors: Many companies begin to pay good money for websites; Premium domain name market takes off; Google solidifies its position; 2) AsSeenOnTV.com sells for $5.1m.; 3) Overture is
launched (formerly Goto.com); 4) Google introduces Google Toolbar; 5) Yahoo begins using Google for search technology. Yahoo powering its results with Google was the game changer for Google/Search.
- 2001: 1) Page I requirements: Making and linking your own sites; 2) Major ranking factors: Off-page SEO era begins. The number of links pointing at your site matters more than the meta tags and keywords on your
pages; Link farmers create industry-based web directories; Users abandon other search engines and move to Google; 3) Infoseek, Snap and Magellan disappear; 4) Webcrawler and Excite are reborn.
- 2002: 1) Major ranking factors: Keyword ranking advancements through article placement; Leading search engines begin to use more sophisticated technology to weed out spammers and apply penalties; 2) Google
releases AdWords - premier paid search platform online; 3) Yahoo! acquires Inktomi.
- 2003: 1) Page I requirements: Buying links to rank high; 2) Major ranking factors: Spam becomes a real problem for the engines; The Florida Update shakes up most industry sectors; Blogging and WordPress begin
their upward journey; 2) Google acquires Blogger; 3) Google releases AdSense; 4) WordPress is launched; 4) Most relevant changes and updates: Google - Florida (November 2003); Google - Esmeralda (June 2003);
Google - Dominic (May 2003); Google - Cassandra (April 2003); Google - Boston (March 2003); Google - supplemental results appear.
- 2004: 1) Major ranking factors: Organic Search is dead; Google is the dominant search engine; The whole SEO industry starts to change, as PPC has now established; 2) Facebook is launched; 3) Most relevant changes
and updates: Google - Brandy (February 2004); Google - Autin (January 2004); Google introduces Google Local; Yahoo! adopts its own algorithm based on Inktomi.
- 2005: 1) Page I requirements: Linking structure; 2) Major ranking factors: Anchor text starts to diminish in importance; Search engines begin to cut down on duplication; Search engines start really cracking down on
link buying; Golden age of keyword meta-data ends; 3) Most relevant changes and updates: Google - Jagger (October 2005); Google - Bourbon (May 2005); Google - Allegra (February 2005); The nofollow tag is
created; Google introduces personalized search.
- 2006: 1) Page I requirements: Title tag; 2) Major ranking factors: The .com boom is now over and the industry has settled down; 3) Twitter is launched; Google purchased YouTube; 4) MSN launches Live Search;
5) Most relevant changes and updates: Google - Pluto (August 2006); Google - Big Daddy (February 2006); Sitemap protocol is introduced.
- 2007: 1) Major ranking factors: There is controversy about the use of CSS markup; Blogging becomes popular and is utilized for SEO; 2) Most relevant changes and updates: Google - subdomains are devalued;
Google introduces "Universal Search".
- 2008: 1) Page I requirements: External link popularity; 2) CUIL is launched. Short life (2008-2010); 3) Most relevant changes and updates: Google improves Flash indexing.
- 2009: 1) Page I requirements: Linkbait becomes widely used; 2) Major ranking factors: Creating content with the purpose of attracting links using social bookmarking sites, and social media is general a must; PageRank
Sculpting Era ends and Local Search Era begins; 2) Bing replaces MSN Search; 3) Most relevant changes and updates: Google - Caffeine (August 2009); New Canonical tag supported for all three major search engines is
- 2010: 1) Page I requirements: Quality content is still king (other factors also weigh); 2) Most relevant changes and updates: Yahoo! uses MSN Bing search technology; Google - Mayday (May 2010).
- 2011: 1) Page I requirements: Search factors spread out and get more sophisticated; 2) Major ranking factors: Google says it takes into account 200+ factors in its ranking algorithm, and both Bing and Google claim to
use 1000+ signals; Geo-modification and search personalization are introduced, complicating the very definition of "making page 1"; 2) Google +1 is launched - part of the Google+ Project; 3) Most relevant changes and
updates: Google - Panda (February 2011). Hit content farms. Affects 11% US Web Sites.
SEO factors to top ranking pages
- URL factors: 1) Search engine friendly URL's; 2) Site structure; 3) Domain age.
- On-page factors: 1) Keywords in URL; 2) Quality content; 3) Relevance; 4) Easy navigation; 5) Meta tags; 6) Keyword density.
- Off-page factors: 1) Site popularity; 2) Inbound links from other sites; 3) Online press releases; 4) Blogs. RSS Feeds, etc.
- Social factors: 1) Likes; 2) Ratings; 3) Reviews; 4) Followers; 5) Other social media signals.
Search ranking factors (in percentage 2011)
- Page-Level Link Metrics - 22%.
- Domain-Level, Link Authority Features - 21%.
- Page-Level Keyword Usage - 14%.
- Page-Level, Keyword Usage - 11%.
- Page-Level Social Metrics - 7%.
- Domain-Level, Brand Metrics - 7%.
- Page-Level, Keyword-Agnostic Features - 7%.
- Page-Level Traffic/Query Data - 6%.
- Domain-Level, Keyword-Agnostic Features - 5%.
SEJ - Search Engine Journal | Search Engine Journal: Internet marketing news for the insiders, by the insiders | www.searchenginejournal.com | Sources: http://blog.greenlightsearch.com/greenlights_search_blog/2010/01/
he-history-and-evolution-of-seo.html; http://www.thehistoryofseo.com/The-Industry/The_History_of_Search_Engine_Optimization.aspx; http://www.buzzmaven.com/wp-content/uploads/seo-factors-before-after.gif;
http://searchenginewatch.com/article/2-65910/The-Evolution-of-SEO; http://rinf.com/alt-news/seo/the-evolution-of-seo/10424; http://www.webmasterworld.com/forum5/1007.htm; http://www.seconsult.com.au/seo/
the-evolution-of-seo; http://www.seokeptic.com/spam-3-0-and-the-future-of-seo; http://evidencebasedmarketing.net/the-evolution-of-seo-infographic.