| Relevance | Display | Yahoo | Link Farms | Paid Listings |
| Demographic | Off-line | Meta Tag | Index / Indexing | |
| Inbound Links | User Experience | SEARCH ENGINE OPTIMIZATION (SEO) BINGO (free square) | Critical path | Local Search |
| Keyword Stuffing | PageRAnk | Personalization | Video Search | SEO / SEO 2.0 |
| ROI | Vertical Search | Best practice | Forms | Spamdexing |