Someone ships a SaaS in a weekend. Lovable or Bolt spits out a React app, they point a domain at it, maybe post it on X. Crickets. They blame the algorithm, the market, the idea itself. Nine times out of ten, the problem is simpler than that — Google doesn't know the site exists.
There's been an explosion of websites built by people who don't know what a robots.txt file is. Not their fault. The tools that made building easy didn't bother to mention that shipping code and being discoverable are two entirely different problems. A pretty landing page with zero meta tags, no sitemap, and an http:// URL will get the exact amount of organic traffic it deserves: none.
This isn't about SEO wizardry. It's about the absolute basics that most vibe-coded sites skip entirely. A page that ranks nowhere isn't a bad idea — it's an invisible one. And the kicker is that the people who most need to know this are the ones least likely to stumble across it organically. The irony writes itself.
Why You Can't Skip This
If your site goes live and nobody can find it through search, you don't actually have a launch. You have a URL you can DM to friends. That might work if you already have an audience. Most solo builders don't.
The funnel everyone pretends exists — "build it and they will come" — collapses at step one for indie hackers. Distribution isn't a growth hack you bolt on later. It's the thing that decides whether you have users or just an expensive hobby. And for the solo founder who spent their energy on building, the idea of now learning SEO, performance optimization, security headers, social previews, structured data, and email deliverability is exhausting. They didn't sign up for that part.
But here's the thing: you don't need to learn all of it. You need to check if you're failing the basics. Most aren't even failing — they never started. No Google Search Console. No Analytics. No idea if they're indexed. They shipped into a void and called it shipping.
What PostLaunchKit Actually Does
PostLaunchKit is a free URL audit tool. Paste a link, and it runs 45+ checks across eight pillars — SEO health, indexability, performance, social sharing, security, DNS, AI engine optimization, and a distribution checklist. It takes about 15 seconds. No signup. No credit card.
It tells you things like: your OG image returns a 404, your canonical URL points to the wrong domain, you have no sitemap, your llms.txt is missing (which matters more than you think if you want AI tools to understand your site), or — and this happens more than you'd expect — your site literally says noindex in the meta tags. Someone copied a template and forgot to flip the switch.
Each failing check comes with a step-by-step fix guide. Not generic blog advice. Platform-specific instructions — Vercel, Netlify, Lovable, Framer, Webflow, Replit, WordPress, Next.js, Cloudflare. You pick your stack and it tells you exactly what to do. There are also copy-paste prompts for ChatGPT or Claude if you want AI to write your meta tags or structured data for you.
There's a scoring system, but it's deliberately weighted. SEO, performance, and indexability drive the score. Social previews and security headers don't drag it down — they show up as separate things to fix. Because a bad OG image shouldn't punish your health score. That distinction matters when you're staring at a report trying to figure out what's actually urgent.
The tool also detects something most audits won't: secret leaks. It scans your page source for hardcoded API keys — OpenAI, Stripe, GitHub tokens, AWS keys. It checks if your .env file or .git directory is publicly exposed. More vibe-coded sites leak secrets than anyone wants to admit. A tool that catches that during a routine audit is doing infrastructure work most founders don't know they need.
The Journey, Not the Grade
One opinionated choice worth mentioning: the report doesn't just give you a number and walk away. It maps you to one of four stages — Setup, SEO Health, Launch Ready, or Growth — and each stage is gated. You can't skip ahead to "where should I post this" until your robots.txt is sorted and your sitemap is live. The logic is simple: don't promote a broken product.
The Growth checklist is refreshingly practical. Hacker News, Indie Hackers, Product Hunt, BetaList, Crunchbase, Wellfound, LinkedIn, GitHub. In that order. Not because those are the only places to post, but because for an early-stage product, those eight channels cover the highest-leverage surface area. The checklist lives in your browser's localStorage. Mark things done. Come back later. No analytics dashboard required.
For those who do want to go deeper, there's Google Search Console integration. Once connected, it pulls your actual search data — which queries bring traffic, which ones you're almost ranking for (positions 8-12), which pages have impressions but zero clicks. The kind of data that turns guesswork into a plan.
The Disclaimer That Shouldn't Need Saying
None of this guarantees traffic. Fixing your meta tags won't put you on page one. Adding a sitemap doesn't make Google fall in love with your content. These are basic hygiene steps. The equivalent of brushing your teeth before a date — it won't make you charming, but skipping it definitely won't help.
What it does is remove the invisible failures. The things you can't see are broken because you don't know they exist. Once those are sorted, you're playing the actual game — create good content, build something people want, earn links, be patient. Continuous improvement over time. No tool replaces that.
PostLaunchKit exists because the gap between "I built something" and "people can find it" is wider than it should be. If you're a vibe coder or a solo founder who just shipped, running an audit should be the first thing you do. Before you post anywhere. Before you tell anyone. Because if there's a chance your site is invisible, you want to know now — not three months from now when you're wondering why nobody showed up.