Older SEO guides used to walk through platform-specific fixes step by step — rewriting a particular content management system's URL structure, patching a specific plugin, editing a server config file by hand. Most of those specific instructions age out fast as platforms update, but the underlying technical fundamentals they were solving for are exactly as relevant today, whether you're running a modern headless CMS, a hosted website builder, or a self-managed open-source platform.
Clean, Readable URLs Are Still a Baseline
A URL like /blog/how-to-choose-a-standing-desk is more useful — to search engines and to a human glancing at a shared link — than a string of query parameters and internal IDs. Most modern platforms handle this automatically, but it's worth auditing periodically, especially after a CMS migration or a site restructure, since redirects and parameter-based URLs have a way of creeping back in.
Don't Let One Piece of Content Compete With Itself
Duplicate content — the same or near-identical content reachable at multiple URLs — is still common, especially on ecommerce sites with faceted navigation, sites with both www and non-www versions live, or sites where a CMS auto-generates print or tag-archive versions of every page. The fix hasn't changed: pick one canonical version, use canonical tags consistently, and 301-redirect the rest. What has changed is the cost of ignoring it — with AI-driven search increasingly choosing a single "best" version of a topic to surface, having your own content split across multiple competing URLs makes it more likely a competitor's cleaner version wins that spot instead of you.
A Sitemap Is Still Worth Maintaining
An up-to-date XML sitemap remains one of the simplest ways to help search engines discover and prioritize your important pages, particularly on larger sites where internal linking alone doesn't surface everything. It should reflect your actual current URL structure — a sitemap full of stale or redirected URLs does more harm than good by wasting crawl attention.
Core Web Vitals and Page Experience
Site speed, layout stability, and interactivity are measured explicitly by search engines and factored into how pages are ranked and surfaced. Common, still-relevant culprits: oversized unoptimized images, render-blocking scripts, and third-party embeds (chat widgets, ad tags, tracking pixels) that load before the content itself. Audit these on a real device on a throttled connection, not just on a fast office connection — the gap between the two is often where the real problem hides.
Robots Rules and Crawl Budget
Make sure your robots configuration isn't accidentally blocking resources search engines need to render your page properly (CSS and JavaScript files, in particular) — a mistake that was extremely common on older CMS defaults and still shows up after migrations. On larger sites, also check that you're not wasting crawl budget on low-value auto-generated pages (internal search results, filtered/faceted URL combinations) that add little unique value.
Build the Habit of Auditing, Not Just Fixing Once
Technical SEO isn't a one-time setup task — CMS updates, plugin changes, and content growth all introduce new issues over time. Building a lightweight recurring audit habit catches problems while they're small.
Next step: Regenerate and resubmit your XML Sitemap Generator output any time you do a content cleanup, migration, or major site restructure — an accurate, current sitemap is one of the cheapest technical SEO wins available, and it's easy to let it go stale without noticing.