Guest posting remains a legitimate tactic when executed with editorial standards, but the spammy version that dominated 2010–2015 is effectively dead. Google's algorithms now easily identify guest posts written solely for links—thin 500-word articles with exact-match anchors on irrelevant blogs. Those deliver zero value and can trigger manual actions if patterns look manipulative. What works today is contributing actual expertise to publications your audience reads. If you're a SaaS company targeting CTOs, a detailed technical post on a respected developer blog builds credibility and qualified referral traffic alongside the link equity. The post needs to match the host site's quality bar, offer original insights, and fit their editorial voice. Most editors reject templated pitches instantly. The economics matter too. A genuine guest post on a quality site might take 6–10 hours between pitching, writing, revisions, and approval. If you're paying a writer $75–150/hour Canadian, that's $450–1500 per placement. Compare that to the cost and link velocity of other tactics. For many niches, you'll get better ROI from digital PR, creating linkable assets, or even strategic sponsorships. At Ottawa SEO, we use guest posting selectively for clients in professional services and B2B tech where thought leadership actually moves the needle. We avoid guest post marketplaces entirely—they're ecosystems of recycled content and PBNs. Instead, we build relationships with editors over months, contribute posts that could stand alone without the backlink, and focus on domains with real traffic and engaged audiences. Watch out for sites that exist only to sell guest posts. If their sidebar lists "Write for Us" prominently and every article has outbound links to unrelated industries, that's a link farm. Also, over-optimization still happens—people stuff author bios with keyword anchors or drop irrelevant links mid-article. Keep links natural, contextual, and genuinely useful to readers. Done right, guest posting isn't dead; it's just harder and more expensive than it used to be.