HTML tags stand in for metadata ﬁelds
anchor link text on external sites are
counted as part of the site being linked
to. So never use “click here.” (Very
Keywords in valuable locations are a key
By har vesting existing implicit
metadata, the Google method scales.
No one has to look at every web page and
describe it and put it into a category.
Google harnesses how the web describes
A note about full text
Perfect keyword search is not very
This is why Google succeeded when a lot
of better funded search engines failed.
Another problem of scale.
HTML Tags as metadata
Links as votes
Trafﬁc as reputation
<a href=“url” rel=“nofollow”>text</a>
Anchor link text as descriptive metadata
location, history, platform, browser, etc.
(The way Google wants you to do SEO.)
Further Directions to Go:
Filter Bubbles (Eli Pariser)
HTML5 Microdata and schema.org