When it comes to SEO, does it make any difference if my site's URL is all lowercase?
Example:
- http://localhost/produto/livro-stackoverflow
- http://localhost/Produto/Livro-StackOverflow
My question is which option is recommended below and also why, whether it is a pattern or whether search engines will crawl better in such a way.
Domain names are not case sensitive but URLs are. So if for some reason you've decided that your URLs are going to be uppercase remember that the user is not accustomed to typing in this way. Be aware that you do not have links to the same page with lowercase and upper case URLs. Google will interpret this as duplicate pages.
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It makes no difference whatsoever for google to have uppercase or lowercase letters. To follow the pattern use lowercase letters however if you have already done in all caps, there will be no problem.