My perception?
- they don't know what they're talking about
- they don't understand white hat
SEO
- they're overpromising something they can't deliver
- avoid them like a plaque as their tactics could eventually harm my website
Basically, run as fast as you can away from them.
But then, many people fall for them. And they'll deliver some keywords showing that the website got top 10 rankings -- except that the website has already been ranking for those keywords or they'll deliver some obscure keywords.
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