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The opposite of that method is also valid, go on builtwith search on which website your competitors is installed, contact each website owners and offer them you

by polote 6y ago

The opposite of that method is also valid, go on builtwith search on which website your competitors is installed, contact each website owners and offer them your solution

ztusers 6y ago
Pretty easy to scrape as well, many use HTTP header/DNS record signatures.
derekmh 6y ago
I’m using my own scraper (for companies using Gmail/Zoho). They require users to add a TXT DNS record, so that makes things pretty easy.