Guest posting works in 2025, but the bar is higher than ever. Google's spam updates have wiped out thousands of low-effort guest-post sites, so you need to publish only on platforms that have genuine readership, editorial standards, and topical overlap with your niche. A single guest post on a site like Search Engine Journal or a respected industry publication delivers more SEO value than twenty mediocre placements combined. The economics matter. If a site accepts anyone willing to pay $100 and publishes ten guest posts per day, you're buying a link on what Google considers a link scheme. Real editorial sites either don't charge or ask $500+ for contributed content because they're protecting their domain authority. At Ottawa SEO, we treat guest posting as relationship-building first and link-building second—pitching original research, case data, or expert commentary that an editor would actually want, not recycled ChatGPT filler. Here's what still works: - Industry-specific publications where your target customers already read (trade journals, professional associations, regional business media) - High-traffic blogs that fact-check, edit, and have comment sections with real engagement - Co-marketing content swaps with complementary service providers in your region (Ottawa accounting firm + Ottawa law firm, for example) The red flags are obvious: sites with domain authority metrics but zero organic traffic, author bios stuffed with keyword anchor text, or any platform that guarantees same-day publishing. Google's algorithm can spot these patterns instantly. Focus on one great placement per quarter over ten weak ones per month. Guest posting isn't dead—lazy, scaled guest posting is. If you're writing content you'd genuinely share with a colleague, you're probably on the right track.