Wix which is a website publishing platform has had bad reputation for SEO and search and it was believed that it didn’t do well for SEO and search rankings.
Someone recently asked a question about Wix on Google Webmaster Help and Google’s John Mueller said that WIX websites work just fine.
“WIX websites work fine in search. There are a lot of different setups for new websites. I wouldn't focus too much on a single provider, but rather think about the bigger picture: which will make it easiest for you to maintain your site (adding / changing content)? If you're getting help from others for your site, is there one that they have experience in, which might make it easier / cheaper? Which one offers the features that you think you'll need in the mid-term? There are probably a few options that could work for you, so maybe it makes sense to just try some of them out and see which one works best for you – websites are websites for Google ”Wix Websites Work Fine In Search, Says Google!,