SEO Tools

Canonical tags and 301 redirects both solve duplicate content problems — but through different mechanisms with different trade-offs. Here's the decision framework for when to use each, common canonical mistakes, and the belt-and-braces approach for domain canonicalisation.

Learn how 301, 302, and other redirect types affect SEO, why redirect chains lose link equity, how to plan a migration redirect map, and how to audit your redirects with a free redirect mapper tool.

Hreflang solves one problem in international SEO — the rest depends on URL structure choice, genuine content localisation vs. translation, and local link building. Here's the complete international SEO framework that hreflang fits into.

XML sitemaps have priority and changefreq fields that look like crawl-prioritization controls — and Google has stated it largely ignores both, relying instead on observed crawl/change patterns. Here's why self-reported metadata loses value when it doesn't reflect reality, why lastmod is the one field worth getting right (if it's genuinely accurate), and where sitemap effort actually matters.

LinkedIn suppresses posts with external links by 30–50% compared to text posts. Facebook organic reach is under 5%. Here's how platform algorithms actually treat links, the strategies that work despite suppression, and how Open Graph images affect click-through when links are shared.

Site migrations lose SEO value in predictable ways: homepage redirects, redirect chains, and missing redirects for high-value pages. Here's the complete pre-migration checklist, how to preserve link equity through domain changes, and post-migration monitoring.

Long-tail strategies and topical authority strategies seem like opposites — but they're synergistic: long-tail content accumulates into topical authority, which eventually improves head term competitiveness. Here's the power-law search volume distribution, why head term competition makes density optimization largely irrelevant (authority signals dominate), why keyword density analysis is more directly actionable for long-tail content, and how comprehensive long-tail coverage produces the semantic signals that build topical authority.

Learn which meta tags matter for SEO, how to write titles and descriptions that increase click-through rates, what robots meta tags do, and how to generate all essential meta tags with a free tool.

Google's Helpful Content Update introduced a sitewide signal — thin content on any part of your site can suppress well-optimised pages elsewhere. Here's what topical authority means in practice, the content cluster model, what HCU actually penalises, and why keyword density is a symptom check, not a target.

The Helpful Content Update introduced a sitewide classifier — thin content anywhere on your domain can suppress good content everywhere. Here's what triggered the update, the signals Google uses to identify unhelpful content, why recovery is slow (the classifier only updates with core updates), and the practical audit process.