It's been long time since I discovered Facebook pixel, however, I haven't had time or courage to find more about how it works and learn how to use it and make use of the...

When would you use 303 redirect? I often use 301, sometimes 302, but I have never used 303. What's the use case for it?

My website consists of several hundred unique (product) pages. However, Google shows only 80-100 indexed pages. Is there any way to force Google to index all of the websi...

Do I need to add http://www.example.com, https://www.example.com, http://example.com and https://example.com? I have all of these defined in nginx server and redirecti...

Is Let's Encrypt certificate equally good for SEO as any other certificate money could buy? I am about to launch my new website, but I am still not decided whether should...