Consider Link Strength

1. Keywords in anchor text (individually)
2. Keywords in anchor text (exact phrase match)
3. Keywords anchor in text (order of keywords if not exact match)
4. Length of anchor text (in words, not characters)
5. Placement on page
6. Proximity of non-link text
7. Proximity of link text
8. Density of surrounding non-link text
9. Density of surrounding link text
10. Relevancy of anchor text (to the page it's on)
11. Relevancy of anchor text (to the landing page)
12. Relevancy of anchor text (to the rest of the site)
13. Number of links on page using same anchor text (exact match)
14. Number of links on page using similar anchor text
15. Repeat 13 and 14 for entire site
16. PageRank of page link is on
17. Depth of page (subdirectory-wise) that the link points to (in relation to the page it is on)

Really a nice check list. Thanks for the sharing here.

Nice list. Thanks for sharing. I wish to add keywords in header tag plays an important role in seo. Use primary keywords as h1 tag and secondary keywords as h2 tags. In seo point of view it is advisable to use single h1 tag.

They are good list to follow and thanks for sharing, Meta keywords also plays important role in strengthening your link in keywords so do not forget about that.

I would just add a few comments on this great list, as opinion/emphasis of important ones:

Great tips to keep in mind for the next link building project Thanks for sharing!

Anchor text is too much...pointed..i beleive...be a litttle on that..dont too much concentrate on one step