EuroScrapeArticles & guides
Real numbers, real code, from building and running the EuroScrape Actors. Every figure is dated.
A month after registration, 18% of new Manchester companies have a website, up from 15% in their first week - how long a "no website" lead stays a lead
Every lead list of "businesses without a website" raises the same question: for how long is that true? A company registered last week has not had time to…
Fridays cost 25% more than Mondays on Ryanair - what the November fare calendars of three routes look like as data
Ryanair prices every leg separately and every day separately. Its app shows the cheapest fare of each day of a month for one route at a time, which is…
Duolingo is rated 4.7 in both app stores, and its newest reviews in Germany average 3.1 - what a store rating hides, country by country
The rating on an app's store page is a lifetime average. Duolingo's is 4.72 on the App Store and 4.73 on Google Play, built on 5.5 million and 50 million…
38 of 40 online shops in Germany publish a valid VAT number - what an Impressum gives you, and where reading it breaks
Germany requires every commercial website to say who runs it. The page is called the Impressum, and § 5 DDG (the former § 5 TMG) lists what goes on it:…
Night power is not the cheapest, and the cheapest fuel station is often a ghost - two things official energy data taught me
Two "everybody knows" rules about energy prices: electricity is cheapest at night, and the cheapest station is the one at the top of the price list. I…
A 4.8-star shop tells you nothing - across 444 German online shops the rating fits in a third of a point, while the share of 1 and 2 star reviews varies 11x
Trusted Shops is one of the most common trustmarks on German online shops. Each certified shop has a public profile with its rating out of 5, the number…
Check a hotel's price on every booking site (and spot rate-parity gaps) without writing a scraper
Google Hotels quietly does something very useful: for any hotel and any dates, it lists the price on the hotel's own website and on Booking.com, Expedia,…
Same used iPhone, 62% price gap - comparing second-hand prices across 18 European countries
A used iPhone 13 128 GB had a median asking price of €172 in Poland and €279 in Finland on the same day. A Nintendo Switch OLED: €183 in Poland, €266 in…
57% of the contract lots I sampled got a single bid - mining EU tenders and award winners from TED
I pulled one week of public contract awards in IT, software and medical supplies from Poland, Germany, France, the Netherlands and Italy: 60 award…
Find websites running WordPress, WooCommerce or Shopify - and the ones that need your help
Agencies, freelancers and SaaS sales teams all ask the same question: which companies use technology X, and which of them have a problem I can fix?
Build B2B lead lists from official company registers (France SIRENE and UK Companies House)
France and the UK both publish their company registers as open data. That's every company, with its activity code, address, headcount band, creation date…
The same flight cost $362 or $162 depending on the day - building a fare calendar from Google Flights
Nonstop Lisbon → Amsterdam, two adults, one way. Same route, same airlines, same week:
Get every new 1-star review of your app in Slack (App Store and Google Play, 58 countries)
App teams usually see reviews late: someone opens App Store Connect or the Play Console once a week, in one country, and the angry 1-star review from…
When a Vinted search finds nothing, it quietly shows you popular junk - here is how to detect it
While building a Vinted scraper, my cloud test suite flagged something odd: a search for zqxwcevrbtynumz introuvable - deliberate nonsense - returned 50…
Zero-rating an intra-EU invoice? Without a VIES consultation number, you may owe the VAT yourself
When an EU business sells B2B to another member state, the invoice usually goes out without VAT - the customer self-accounts for it. One condition: the…
France publishes every property sale as open data - most people compute the price per m² wrong
France's DVF dataset ("Demandes de valeurs foncières") records every notarized property sale: the real price paid, the address, the surface, down to GPS…
I matched 2,518 apartment sales to their energy certificates - F and G homes sold 16% cheaper per m²
France is phasing "energy sieves" out of the rental market: homes rated G can no longer be let under a new lease since 2025, F follows in 2028, E in 2034.…
Companies file 1 French building permit in 5 and build 3 homes in 4 - and the register names them 8 months before the site opens
Every building permit granted in France ends up in a national register called Sitadel, and the Ministry's statistics office publishes it as open data…
The median "PlayStation 5" on Kleinanzeigen costs 55 euros - three traps in second-hand price data
While building a Kleinanzeigen scraper, I wanted every ad to come with a market price, so that a good deal stands out. The first version did the obvious…
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