82 lines
3.9 KiB
Markdown
82 lines
3.9 KiB
Markdown
# One-shot launch: Show HN + r/InternetIsBeautiful
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**Goal:** NOT the day-one spike (HN is US-skewed for an England-only tool; outbound links are nofollow).
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The real payoff is **2–5 aggregator/reblog backlinks that start your domain-authority clock**, plus
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1–3 UK referral relationships. Treat it as a backlink seed, then walk away.
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**Rules of engagement**
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- Post **Tue–Thu, ~14:00–17:00 UK** (≈9–12am US Eastern). One platform each, same week.
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- The link target is a **cheaper-twin STORY page** (e.g. `{{FLAGSHIP_TWIN_PAGE_URL}}`), **never the cold map** or a bare filter UI.
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- Be present ~2–3h to answer data-method questions, then stop.
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- Post the **maker comment first**, immediately after submitting.
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- Both qualify only because the map has **no sign-up wall**; keep it that way for launch day.
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---
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## Show HN
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**Title** (HN dislikes hype; lead with the mechanism + "open data"):
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```
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Show HN: Perfect Postcode, ranking every England postcode by what £1 of housing buys
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```
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Alternatives if you want to A/B in your head:
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- `Show HN: I joined Land Registry, EPC, Ofsted and crime data to find England's "cheaper twin" postcodes`
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- `Show HN: A no-signup map that ranks all of England by price per m², schools, commute and crime`
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**Maker comment** (post as the first comment):
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```
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Maker here. Perfect Postcode ranks every postcode in England by what each £ actually buys
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(£ per m² of floor space, Ofsted school catchments, commute time, crime, broadband, noise)
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instead of by area reputation. It's a single cross-join of official open data (HM Land Registry
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price-paid, EPC floor areas, Ofsted, DfT, ONS, Police.uk) over ~13M sales.
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The thing I find most fun: "cheaper twins", pairs of adjacent postcodes that share a station,
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a school catchment and a build era but sell tens of thousands apart because one name got bid up.
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Example: {{FLAGSHIP_TWIN_ONE_LINER e.g. "Angel N1 vs Holloway N7: same line, overlapping
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catchment, ~30% less per m²"}}.
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No sign-up, no card. The map's free to explore: {{FLAGSHIP_TWIN_PAGE_URL}}
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Honest caveats: England only for now (Scotland/Wales need different source datasets); EPC floor-area
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coverage is sparse before 2012 so I exclude pre-2012-only properties from the £/m² figures; "estimated"
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prices are comparison estimates, not valuations. Happy to go into the £/m² derivation, postcode-boundary
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handling or the EPC gaps. Ask away.
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```
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Be ready for these HN questions (have a one-paragraph answer each):
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- How is £/m² derived, and how do you handle properties with no recorded floor area?
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- Postcode vs postcode-sector boundaries: what granularity are the "twins" at?
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- What's the business model? *(Answer plainly: free map, one-time lifetime unlock for >3 filters, no subscription. Do NOT lead with this.)*
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- Data licensing. *(OGL v3.0 in aggregate; you never expose address-level rows.)*
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---
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## r/InternetIsBeautiful
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Read the subreddit rules the day you post (they change). It must read as a genuinely interesting
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*thing to explore*, not an ad; the no-signup map is what makes it allowed.
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**Title** (their format is a plain description of the site):
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```
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Every postcode in England, ranked by price-per-m², schools, commute and crime (no signup)
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```
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**First comment** (shorter, less "founder", more "here's a cool thing"):
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```
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Built this from official open data (Land Registry sold prices + EPC floor areas + Ofsted + DfT +
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Police.uk). The bit people seem to like is "cheaper twins": two postcodes next to each other with the
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same station and school catchment, priced thousands apart just because of the name. England-only for
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now. No account needed; link goes straight to a worked example you can poke at.
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```
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---
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## After the launch (same day, 10 minutes)
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- Note every domain that reblogs/aggregates the HN post (e.g. hckrnews, Hacker News Daily, niche newsletters). Those are your seed backlinks; log them in your metrics sheet.
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- Do **not** repost to other subreddits in a blast. One IIB post, done.
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