Some further stats on the links (excluding links to sections of the article, and promotional links, i.e. eBooks/Ars subscriptions) in John Siracusa's OS X Yosemite review.
There are 406 total links, of which 362 are unique.
- Ars Technica: 146
- Wikipedia: 96
- Apple: 45
- developer.apple.com: 32
- Apple.com: 11
- iBooks Store: 2
-
Previous OS X Reviews: 112
- OS X DP3: 2
- 10.0: 1
- 10.4: 5
- 10.5: 11
- 10.6: 10
- 10.7: 29
- 10.8: 24
- 10.9: 30
-
Other John Siracusa articles: 8
-
Articles by other authors: 26
- arstechnica.com: 146
- en.wikipedia.org: 96
- developer.apple.com: 32
- apple.com: 11
- llvm.org: 11
- macworld.com: 4
- gist.github.com: 4
- daringfireball.net: 3
- inessential.com: 3
- dropbox.com: 3
- webkit.org: 3
- flickr.com: 3
Fourteen sites recieved two links, fifty-nine recieved one each.
(normalized by removing the fragment identifier)