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The 15-Minute SEO Checklist To Run Before You Hit Publish on Substack

ByFrank

You already did the hard part: you wrote the piece.

Now, before you smash that Publish button, a quick substack seo checklist can turn a quiet post into one that keeps pulling in readers from Google for months.

This is not about turning you into an SEO specialist. It is about a fast, repeatable routine that fits into your existing Substack workflow, so you protect your time, your energy, and your focus.

Use this 15‑minute checklist as a final pass. Treat it like brushing your teeth before bed: simple, automatic, non‑negotiable.

Why a Quick SEO Pass Matters for Substack

Substack is great for email, but every post also lives on the web as a public page. That web version is what Google sees.

A tiny bit of on-page SEO helps you:

  • Get new readers who have never heard of you.
  • Turn one good post into a long-term traffic source.
  • Make your archives easier to explore and binge.

If you want a deeper background later, Kristi Koeter’s guide to Substack SEO settings is a helpful companion. For now, you just need this 15‑minute routine.

Step 1: Pick One Clear Keyword (2 minutes)

Most posts on Substack try to rank for nothing. Let yours try to rank for one thing.

Why it matters:
Google needs a main idea. A focused keyword helps Google and readers see what your post is really about.

What to do:

  • Ask, “If someone searched for this, what would they type into Google?”
  • Turn that into a simple phrase, like “Substack welcome email”, “writer productivity habits”, or “how to start a crypto newsletter”.
  • Use that phrase:
    • In your web title.
    • Once in the first 2–3 sentences.
    • Once in a subheading if it fits.

Do not overthink this. Pick a human phrase someone might say out loud.

Step 2: Optimize Your Post Title and URL (3 minutes)

Think of your title as the shop sign, and your URL as the street address.

Why it matters:
Titles drive clicks. Clean URLs help search engines and make your link look trustworthy when people share it.

On the web version:

  • Use a clear, benefit-driven title that includes your keyword.
  • Keep it under about 60 characters if you can, so it shows well in search.
  • In the post editor, click “Edit” on the post slug.
    • Make it short and readable, like:
      yournewsletter.com/p/substack-welcome-email-template
      Not: yournewsletter.com/p/12345-my-new-blog-post-9384.

For the email version:

  • You can use a more playful subject line if you want, but do not make it vague.
  • Add a short preheader that hints at the main benefit.

You are writing for two audiences at once: inbox skimmers and searchers. Give each a clear reason to open.

Step 3: Tune Your Substack SEO Settings (3 minutes)

Substack gives you a few hidden fields that search engines pay extra attention to. Most writers leave them blank.

Why it matters:
Your SEO title and description are often what people see in Google before they even reach your site.

Quick actions:

  • In the post editor, open the post settings.
  • Set an SEO title:
    • Can match your main title, or be a slightly clearer version.
    • Include your main keyword once.
  • Write a short SEO description:
    • 1–2 punchy sentences.
    • Mention the problem and the outcome.
    • Aim for around 120–160 characters.

If you want to see a more detailed flow of these fields, Colin Gardiner’s complete guide to optimizing your Substack for SEO shows how they fit into your broader growth plan.

Step 4: Format for Skimming and Search (3 minutes)

Google prefers posts that are easy for humans to read. So do your subscribers.

Why it matters:
Good structure keeps people on the page longer. That is a strong signal that your post was worth the click.

Inside your post:

  • Break long walls of text into short paragraphs.
  • Use clear H2 and H3 headings that match how a reader thinks about the topic.
  • Turn messy lists into bullets when it helps the eye.
  • Highlight key phrases in bold, but not whole paragraphs.

Ask yourself: “Could someone scroll this in 10 seconds and still get the main idea?” If the answer is yes, you are on the right track.

Step 5: Align Email Subject, Preview Text, and Web Version (3 minutes)

Substack posts live in two places at once: inbox and web. Treat them like twins with the same DNA, not strangers.

Why it matters:
Consistency helps subscribers recognize your work, and also keeps your story clear when the post is shared or linked.

Quick actions:

  • Make sure the web title, SEO title, and email subject line are clearly related.
  • Use your main keyword in the web and SEO titles, and a lighter version in the email if needed.
  • Use the preheader text to support the same idea, not to repeat the subject.

You want someone to feel, “Oh, this is exactly what I thought it was,” when they land on the web version from their inbox.

Step 6: Quick Internal + External Links (1–2 minutes)

Links are like paths through a forest. You are showing readers where to go next.

Why it matters:
Internal links keep people on your Substack. External links show Google you sit in a real web of helpful sources.

What to do:

  • Add 1–3 links to your own related posts by using natural anchor text, like “my deep dive on welcome emails”.
  • Add 1–2 links to strong external resources, like this practical Substack post optimization checklist from Content Clarity.
  • Make sure every link feels like a genuine upgrade for the reader, not padding.

If you publish often, tools that help you batch and schedule Notes or posts can make internal linking easier because you always know what is coming next.

15-Minute Substack SEO Checklist You Can Copy

Here is a simple mini-checklist you can paste into your own workflow:

  • Pick one main keyword your post should rank for.
  • Add that keyword to:
    • Web title
    • First 2–3 sentences
    • One subheading (if natural)
  • Edit the post URL slug to be short, clear, and relevant.
  • Set SEO title and description in Substack post settings.
  • Check your formatting:
    • Short paragraphs
    • Descriptive headings
    • Light, purposeful bold text
  • Add 1–3 internal links to related posts.
  • Add 1–2 high‑quality external links.
  • Align:
    • Web title
    • SEO title
    • Email subject line and preheader
  • Do a quick skim:
    • Would a stranger know what this post is about in 10 seconds?

Run through that list before every publish. It will get faster each time.

Conclusion: Make SEO a Tiny Habit, Not a Big Project

You do not need a huge strategy to benefit from simple SEO habits on Substack. You just need a short checklist you can run on autopilot whenever you publish.

Pick one keyword. Clean up your title, URL, and SEO settings. Shape the post for skimmers, link to other helpful work, and keep your email and web versions in sync.

Over time, this little 15‑minute routine can turn your archive into a library that Google keeps sending people to. Your future subscribers are already searching. Your job is to help them find you.

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