: Instead of browsing the site directly, you can find a specific work's URL via a search engine, then use a proxy or a "download as PDF/EPUB" link to save the story for offline reading.

Searching for "AO3 unblocked" usually means you are looking for ways to access Archive of Our Own (AO3) on a restricted network, like at school or work

If you cannot install apps on your computer (e.g., a school library PC), you need a web proxy. These are websites that fetch AO3 for you.