In short: no...
Your site is different, your offering is different, your audience is different, your positioning is different. The best way to find out if something is working is to run a test on your own site.
However - there are some changes that are more likely to be working in general. For example, improving the speed of your site will likely be beneficial for all most all websites.
Eventually, ABtestcases.com wants to help you learn what changes are more likely to succeed in what context. But again - there is no substitute for running your own tests.