Software sites have a distinctive set of technical faults because of how they are built: an application framework doing the rendering, a documentation system nobody in marketing owns, a marketing site on a different stack, and templated pages in the thousands. The same four problems appear again and again, and fixing them is worth more than the first six months of content.
Rendering: the page exists but the content does not
Many application frameworks ship pages whose content arrives only after JavaScript runs. Search engines can render, but it is slower and less reliable than being served the content directly, and a marketing page inside an application shell is the commonest place this goes wrong. Check what the raw response contains rather than what the browser shows, and prefer server rendering or prerendering for anything meant to rank.
Duplication: the templates multiply everything
Integration pages, location pages, comparison pages and documentation versions generate near-identical URLs at scale, along with parameter variants, staging copies and versioned documentation. Decide which version is canonical, say so consistently, and stop generating the combinations nobody searches for. A thousand templated pages with one paragraph of difference is the pattern search guidance treats as unhelpful.
The application and the marketing site are one domain to a crawler
Logged-in areas, trial flows and internal tools frequently leak into the crawl, wasting budget and occasionally indexing something that should not be public. Keep the application behind authentication, exclude it deliberately rather than by accident, and check what is actually indexed rather than what you assume is.
Documentation is the most valuable and least governed surface
Docs usually carry a software company's most qualified organic traffic and are owned by engineering, so they change without marketing knowing: URLs move on version bumps, search indexing is toggled by a config flag, redirects are missed. Get a redirect policy agreed with the team that owns them, and monitor the docs subdomain as its own property.
Questions people ask about technical seo for saas
Does a single-page application rank?
It can, but it is a harder path than serving rendered HTML. For pages whose job is to rank, serve the content in the response.
Should documentation live on a subdomain or a subfolder?
A subfolder keeps it on the main domain, which is usually preferable. The practical constraint is often the documentation tooling, so decide early because moving it later costs redirects and rankings.
How often should a software site be audited technically?
After every significant release, and as a standing check. Software sites break in ways brochure sites do not because they ship continuously.
What should be fixed before content work starts?
Rendering, the canonical decisions and the crawl exclusions. Publishing into a site with those unresolved multiplies the problem.