> For the complete documentation index, see [llms.txt](https://wiki.zgcvpn.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.zgcvpn.com/en/blog.md).

# Blog

- [Useful articles](https://wiki.zgcvpn.com/en/blog/main.md)
- [Useful links](https://wiki.zgcvpn.com/en/blog/main/links.md)
- [What is ping and why is it not important?](https://wiki.zgcvpn.com/en/blog/main/ping.md)