Not sure what your background is, but if you work in SEO or do web optimization in general, this article really isn't that bad to get the gist of. Maybe it's m

Not sure what your background is, but if you work in SEO or do web optimization in general, this article really isn't that bad to get the gist of. Maybe it's more of a target group thing? This isn't really a "everyone needs to know" situation, it addresses the people that need to know and expects a certain pre-existing knowledge of the topic.