The one you used is certainly a Phishing / SCAM one.
As for SolFlare, if you can’t connect it to Tulip, try using another browser, or another wallet (Phantom …) if all browsers and wallets failed, it means there is a problem with the dApp you wanna interact with.
Sollet is depreciated since the FTX fiasco, how come you’re saying " you can’t connect it to Tulip" ?!
The official Sollet website is down since months
http://sollet.io
The one you used is certainly a Phishing / SCAM one.
As for SolFlare, if you can’t connect it to Tulip, try using another browser, or another wallet (Phantom …) if all browsers and wallets failed, it means there is a problem with the dApp you wanna interact with.