[RUBY] [Explanation in 3 lines] How to prevent programming school technical articles from being displayed in search results

• This method is used when you no longer need to read articles that are simply too rudimentary. **There's no ulterior motive. ** **

1. In Chrome, insert This extension (uBlacklist).
2. Go to or find out which sites you don't want to see
3. Select from the extension button (puzzle-like mark in the upper right corner of the browser) and press the block.