Single page sites can rank. However, the protocol you describe can be used in a way that may confuse search engines. I am not an expert, but this is my thought. Search engines rank pages. The more pages that rank well the better the site performs overall. It is possible that a single page site can rank rather well. However, there is no denying that content ...
Check _config.yml file Change it from "www.sitename.com" to "http://www.sitename.com" Source--- here
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