Perplexity ranks sources by combining link authority, content freshness, semantic relevance, and user engagement signals. Unlike traditional search engines that rank pages, Perplexity synthesizes answers and cites sources, so your goal is getting cited as an authoritative reference, not occupying position one. Start with technical fundamentals. Your site must be crawlable, fast, and indexed by Google since Perplexity draws heavily from Google's index and other search APIs. Schema markup helps, particularly FAQ, Article, and HowTo schemas that make your content machine-readable. Clear heading hierarchies (H1, H2, H3) signal topical structure. Backlink profile matters more on Perplexity than traditional SEO because citation algorithms weigh domain authority heavily. A site with 20 DR70+ links will outrank one with 200 DR20 links for the same query. Focus on earning links from established publishers, industry bodies, and educational institutions. We see client sites with strong backlink velocity (5–10 quality links per month) get cited 3–4x more often than stagnant competitors. Content needs depth and recency. Perplexity favors sources updated within 30–90 days for news-adjacent topics and comprehensive guides for evergreen queries. Write with semantic completeness, covering related entities and questions within your topic cluster. A 1,200-word guide that answers six related questions beats six shallow 300-word posts. Structured data gives you an edge. Perplexity can pull from tables, lists, and structured FAQ blocks more easily than unformatted prose. We structure client content with clear subsections, bulleted takeaways, and comparison tables where relevant. Monitor citation patterns using Perplexity's source links. If competitors consistently get cited for queries you target, reverse-engineer their backlink profiles and content depth. Unlike Google, you can't buy your way onto Perplexity through ads, so organic authority is the only path. For Ottawa SEO clients in competitive niches, we prioritize building 15–25 authoritative backlinks quarterly and refreshing top pages every 60 days to maintain citation momentum.