Use a large font size. It doesn’t need to be comically large, but using an 8pt font isn’t going to fly. Not everyone has 20/20 vision… or a microscope. I’m sure the “duplicate pages” part kan zijn self-explanatory. These are pages that are identical or very similar to other pages. https://trevorchihb.blogdanica.com/28568580/de-5-seconden-trick-voor-seo-checker