https://www.wired.com/about/how-to-pitch-stories-to-wired/?mbid=social_twitter&utm_brand=wired&utm_campaign=falcon&utm_medium=social&utm_social-type=owned&utm_source=twitter

Submission Guidelines

https://code.tutsplus.com/interested-in-writing-for-wptuts-read-on–wp-34446a

https://www.linode.com/docs/guides/linode-writers-formatting-guide/

https://www.tutorialspoint.com/about/tutorials_writing.htm

Layout guest blogging guidelines