Complete list of Google algorithm updates for 2003.
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|#||Date||Update||Update type||Noticeable effect|
|1||Nov 16, 2003||Florida||Ranking signals||No estimate given|
|1||July, 2003||Fritz||Infrastructure||No estimate given|
|1||June, 2003||Esmerelda||Infrastructure||No estimate given|
|1||May, 2003||Dominic||Ranking signals||No estimate given|
|1||April, 2003||Cassandra||Ranking signals||No estimate given|
|1||February, 2003||Boston||Ranking signals||No estimate given|
The Florida Update was the first significant change to Google's algorithm, and a game changing blow to SEO's who relied on unethical tactics such as keyword stuffing to manipulate search engine rankings. Many websites were hit with penalties or disappeared from the search engine altogether, leaving online business owners scratching their heads and protesting.
With Fritz came an important change in how Google updated its index. Instead of huge monthly index updates (known as the Google Dance), Fritz brought about daily, incremental updates, in which a percentage of the index was updated every night. These daily updates—coined the everflux—produced quicker indexing, and more stable search results.
With the end of Google's monthly index updates, Fritz also put an end to the alphabetically ordered naming convention that started with the Boston update only 5 months earlier.
Esmeralda was the last regular monthly update to Google's index—referred to collectively as the Google Dance. A continuously updating process, known as The Everflux, was fully implemented the following month, with the Fritz Update.
The Dominic Update had a widespread effect on search results, although exact details of algorithm changes were unclear. General webmaster community speculation included:
With the Cassandra Update, Google targeted websites that participated in spammy tactics such as backlinks acquired from co-owned domains or from the same IP, and hidden text.
At SES Boston, the first named Google update (by Webmaster World members) was announced by Google representative Dan Dulitz. This was the first of a series of monthly, alphabetically ordered updates that lasted until the Fritz update, at which point updates became more frequent, with named updates reserved for notable fluctuations in search results only.
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