<https://blog.kotsovolos.gr/giati-to-ypsilo-refresh-rate-stis-gaming-othones-einai-must/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.kotsovolos.gr/giati-to-ypsilo-refresh-rate-stis-gaming-othones-einai-must/>