drall - 1:37 pm on Aug 27, 2004 (gmt 0)

Old network of sites, many pr 6-7, 30% drop in most sites but primarilly ones that are listed in dmoz. The only two primes I see

1. Dmoz listed sites of ours are suffering the most with a 35% drop, out of 21 sites only the dmoz listed ones are experiencing the 35%, call it a theory but when you have 21 sites all large and all established for years and the only ones to drop are the ones that all have a tie to dmoz for a backwards, this cant be coincidence. My 2 cents is that dmoz is finally being devalued from there algo.

2. Our largest and oldest "authority sites" with tens of thousands of backlinks are getting hit hardest.

We rely on hundreds of thousands of serps per day so we do not really track every one but I do have numerous ones I keep tabs on and we see a tremendous amount of scraper spam with a nice peppering of amazon/dmoz clone trash.

Another thing, this is definatly not effecting everyone, over half of our sites have only seen a 5% or less degrade which is not really anything in my book.