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SEO & Website Optimization Sep 25, 2026 · 2 min read

SEO Checklist Before Launching a New Website

An SEO checklist to run through before launching a new website — the things that are easiest to set up before launch and hardest to fix after.

M By the Mentor Makers team
SEO Checklist Before Launching a New Website

A new website launches once. The SEO decisions made at launch — URL structure, canonical setup, title conventions — are much harder to change later without disrupting accumulated history. A pre-launch check takes an hour and prevents months of clean-up work.

Technical Setup

  • [ ] SSL certificate installed and HTTPS working on all pages.
  • [ ] www vs non-www decided and consistent (e.g. always https://domain.com, never both).
  • [ ] 301 redirects in place for any old URLs that changed during development.
  • [ ] robots.txt in place and correct — not accidentally blocking all crawlers (common on staging sites).
  • [ ] XML sitemap generated and accessible at /sitemap.xml.

Indexing Control

  • [ ] Staging site is blocked from indexing (noindex in settings or robots.txt on the staging domain) — this should be on, then turned off at launch.
  • [ ] Production site is set to allow indexing after launch — double-check the CMS's "discourage search engines" setting is off.

On-Page Basics

  • [ ] Every page has a unique title tag (under 60 characters).
  • [ ] Every page has a unique meta description (under 160 characters).
  • [ ] Every page has one H1 tag that matches the topic.
  • [ ] Images have descriptive alt text.
  • [ ] No broken internal links.

Content Quality

  • [ ] No placeholder or "Lorem ipsum" text remaining.
  • [ ] Core pages (Home, About, Contact, main product/service pages) have substantive, useful content.
  • [ ] Blog or content section has at least a few published posts (a completely empty blog can look abandoned).

Local SEO Setup

  • [ ] Address, phone and business name displayed consistently.
  • [ ] Local Business schema added to the site.

After Launch (First Two Days)

  • [ ] Verify the site in Google Search Console.
  • [ ] Submit the sitemap in Search Console.
  • [ ] Request indexing for the homepage.
  • [ ] Run SEO Checker on key pages.
  • [ ] Run PageSpeed Insights on the homepage.

For the ongoing audit process after launch, see how to run a basic SEO audit on your own website.

After the First Month

Once the site has been live for 4–6 weeks, return to Google Search Console for a proper review. Check which pages Google has indexed, which queries are generating impressions, and whether any errors appeared during initial crawling. This first-month check often reveals pages that didn't get indexed as expected or queries where the content isn't quite matching what searchers want. It's far easier to adjust content and structure in the first month than after a site has established patterns that take longer to change.

#seo launch checklist #pre-launch seo #new website seo

Frequently Asked Questions

Can I do SEO after launching instead of before?

Most things can be done after, but some (URL structure, canonical setup, index control) are much easier to establish before content accumulates. A pre-launch check avoids avoidable early mistakes.

How long before launch should I do this check?

Ideally at least a week before, to allow time to fix anything found. For smaller issues, a day is usually enough.

Do I need Google Search Console before launching?

Set it up after launch, but as soon as possible. Verify the property and submit the sitemap in the first day or two.

What is the most important pre-launch SEO task?

Getting the URL structure right before launch is the most important. Changing URLs after launch requires redirects and loses any early signals.

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