markdown верхний индекс - SERP Analysis

https://theme-hope-ru.vuejs.press/guide/markdown/sup-sub

https://www.markdowntoolbox.com/ru/%D0%B1%D0%BB%D0%BE%D0%B3/%D0%BA%D0%B0%D0%BA-%D0%B4%D0%BE%D0%B1%D0%B0%D0%B2%D0%B8%D1%82%D1%8C-%D0%B2%D0%B5%D1%80%D1%85%D0%BD%D0%B8%D0%B9-%D0%B8%D0%BD%D0%B4%D0%B5%D0%BA%D1%81/

https://yamadharma.github.io/ru/post/2020/10/22/markdown-syntax/

https://highload.tech/markdown/

https://ru.markdown.net.br/rasshirennyy-sintaksis/

http://bru.by/content/admin/mdhelp

https://docs.github.com/ru/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax

https://skillbox.ru/media/code/yazyk-razmetki-markdown-shpargalka-po-sintaksisu-s-primerami/

https://www.linux.org.ru/forum/development/12859928

https://www.reddit.com/r/help/comments/t6o3du/how_to_terminate_superscript_without_a_space/?tl=ru