> For the complete documentation index, see [llms.txt](https://gary-hou.gitbook.io/notes-cs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gary-hou.gitbook.io/notes-cs/page.md).

# Page

### Take online courses

<details>

<summary>Courses</summary>

</details>

### Gain Online Certifications&#x20;

<details>

<summary>Certifications</summary>

-charge

<https://www.w3schools.com/>

-free

<https://www.freecodecamp.org/>

<https://www.coursera.org/>

</details>