> My personal conclusion is that Google has been heavily down-scoring content which is more than a couple months old. I think it depends. I have some technical

> My personal conclusion is that Google has been heavily down-scoring content which is more than a couple months old. I think it depends. I have some technical posts that are ~3 years old and they're my most popular posts by orders of magnitude. I'm not an SEO expert but if you're writing about topical things, then that could explain why you might be losing rankings / traffic after a few months.