Why do they write everywhere that the site does not have a favicon and sitemap?

Question

Search Engine Optimization

There is a White directory of sites . All SEO analysis services swear that the site does not have sitmap and favicon.
For example here and here here .
The real question is: what the hell?
here is the map https://emwap.ru/sitemap.xml
here is the robot https://emwap.ru/robots.txt

Answer 1

checked favicons no
site map must be added to webmasters