So when did you actually realise the domain name was different...
After the real LocalBitcoins sent me login warning from unknown IP. Then I check the URL of my Safari browser. I then knew I'm on an different website. Especially when I pressed the Wallet button on the fake website. It showed the electrician service info.
Login attempt details
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IP address: 199.19.94.193
Country: (Unknown country)
Web browser: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0