is seo work out of scope?
It depends — basic technical SEO hygiene is often a baseline of competent build work, but ongoing optimization, keyword strategy, and content SEO are usually a separate service. The dividing line is the difference between making a site indexable and making it rank.
Why this answer
SEO isn't one thing, which is why this question is genuinely ambiguous. On one end is technical hygiene — clean markup, a sitemap, sensible URLs, meta tags, fast load times, mobile responsiveness. Much of that is just building a site competently, and clients reasonably assume it's included because a site that can't be indexed is arguably broken. On the other end is the actual discipline of SEO: keyword research, content strategy, on-page optimization tuned to search intent, link building, and the months of measurement and iteration it takes to move rankings. That's an ongoing service, not a build task. The dispute happens because the client says 'SEO' meaning 'get me on Google's first page' while you heard 'set up the technical basics.' Both are legitimate readings of a vague word, so the answer lives in what your contract specified, not in the term itself.
When the answer flips
It tips toward In Scope when the work is foundational technical hygiene — clean semantic markup, a generated sitemap, editable meta titles and descriptions, fast and mobile-friendly pages. A competent build delivers those whether or not 'SEO' is named, because they're part of shipping a site that functions. It tips toward Out of Scope when the request is strategic and ongoing: keyword research, content optimization, ranking targets, competitor analysis, or a commitment to specific positions on results pages. It also goes Out of Scope if the client wants you to write or restructure content around keywords, since that's content work layered on top. The clearer your contract is about which bucket you sold, the less this floats in the gray zone.
What to do next
Separate the two definitions of SEO out loud: 'The build includes the technical basics — clean markup, sitemap, meta tags, fast pages. Ongoing SEO — keyword strategy, content optimization, ranking work — is a separate engagement.' Confirm which the client actually wants, because many calm down once they learn the foundations are already handled. If they want true SEO, scope it as its own service: a one-time technical audit and setup, or a monthly retainer for ongoing optimization, since rankings need sustained work. Never promise specific rankings — Google's algorithm isn't yours to guarantee. In your next contract, list exactly which technical-SEO items the build covers, and state that strategic SEO is a separate service.
Frequently asked questions
What SEO is reasonably included in a website build?
The technical foundations: clean semantic HTML, a sitemap, crawlable URLs, editable page titles and meta descriptions, fast load times, and mobile responsiveness. These are part of building a site that works and can be indexed, so clients reasonably expect them. They make a site findable; they don't, on their own, make it rank for competitive terms.
What SEO is usually a separate, paid service?
The strategic, ongoing work: keyword research, content optimization around search intent, on-page tuning, competitor analysis, link building, and continuous measurement. This is a discipline that plays out over months, not a build deliverable. It requires sustained effort and iteration, which is why it's typically priced as a project of its own or a retainer.
Can I promise the client a first-page ranking?
No, and you shouldn't. Rankings are controlled by search engines using signals and competition you don't own, and they shift constantly. Promising specific positions sets up a commitment you can't reliably keep. Sell the work — the optimization, the audit, the ongoing effort — and the measurable improvements it tends to produce, not a guaranteed slot.
The client says SEO was 'obviously' part of the project. How do I respond?
Acknowledge the ambiguity rather than arguing definitions. Explain that 'SEO' spans everything from basic technical setup, which is included, to ongoing ranking strategy, which is a separate service. Tell them which parts the build already handled, then offer to scope the rest. Most clients relax once they hear the foundations are done.
Should I offer SEO as a retainer or a one-time package?
Both have a place. A one-time technical SEO audit and setup suits clients who want their foundations checked and fixed. A monthly retainer fits clients who want sustained ranking work, since SEO compounds over time and needs continuous attention. Match the format to whether the client wants a fix or an ongoing campaign.
How do I write the contract so SEO doesn't become a fight?
List the specific technical-SEO items the build includes — markup, sitemap, meta fields, performance — as concrete deliverables. Then state explicitly that strategic and ongoing SEO is a separate service available on request. Naming exactly which side of the line you sold removes the gray area that makes this the classic post-launch dispute.
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Answer scope creep from your actual contract — not a template.
Settled reads your contract and the client's request, gives you a verdict (In Scope / Out of Scope / Ambiguous), and drafts the email grounded in your specific clause.