Seeking SEO experts, digital marketers, digital PR professionals and business leaders actively trying to boost online visibility. Which single SEO task (on-page/off-page/technical) has produced the biggest impact per hour spent? Please quote hours invested, the result (traffic, rankings or links) and the timeframe. Your answer must include the metrics requested. We won’t accept responses without data-backed anecdotes. Please include your full name, company name, website and LinkedIn profile in your answer. AI-generated responses will be cursorily rejected.