# Rentgen ofert — woj. śląskie

> Aggregated dashboard of every house/flat sale listing in the Śląskie voivodeship,
> Poland — scraped twice daily from five portals (Otodom, OLX, Gratka, Morizon,
> nieruchomości-online), de-duplicated by photo hash, with price history and real
> notarial transaction prices (RCN). Personal, non-commercial project; listings link
> back to the source portals. Page content is in Polish.

## Pages

- https://110kc3.github.io/rentgen-ofert/ — listing browser (JavaScript app; the served HTML carries a no-JS data summary)
- https://110kc3.github.io/rentgen-ofert/stats.html — market statistics: asking vs notarial (RCN) prices, supply, discounts

## Machine-readable data (JSON, refreshed twice daily at ~06:00 and ~18:00 UTC)

Start with meta.json — counts and freshness in one small file.

- https://110kc3.github.io/rentgen-ofert/data/slaskie/meta.json — dataset counts, per-source/per-type breakdown, last update
- https://110kc3.github.io/rentgen-ofert/data/slaskie/stats.json — market statistics feeding stats.html
- https://110kc3.github.io/rentgen-ofert/data/slaskie/rcnstats.json — notarial-transaction (RCN) benchmarks per town
- https://110kc3.github.io/rentgen-ofert/data/slaskie/index.json — slim grid index of every current listing (duży plik, ~12 MB)
- https://110kc3.github.io/rentgen-ofert/data/slaskie/manifest.json — data version + shard count
- https://110kc3.github.io/rentgen-ofert/data/slaskie/d/00.json … d/63.json — lazy detail shards (64 files; shard = listing id hash, see manifest.json)
- https://110kc3.github.io/rentgen-ofert/data/slaskie/archive.json — delisted offers (duży plik, ~5 MB)
- Sitemap: https://110kc3.github.io/rentgen-ofert/sitemap.xml

Current: 17 770 listings (11 488 flats, 6282 houses), updated 2026-07-29.

## Notes

- Source & pipeline: https://github.com/110kc3/rentgen-ofert
- Data has informational character; the source portals and notarial registers are authoritative.