<p>The <dfn>web</dfn>, short for World Wide Web, is a network of hyperlinked documents accessible via the internet through a browser using DNS, URLs, HTTP and HTML.</p>
## Web Apps
Progressive Web Apps (aka PWAs) are websites that can be installed as standalone apps on mobile or desktop.
https://ragt.ag/manifest.json
### Mobile
https://techcrunch.com/2024/02/15/apple-confirms-its-breaking-iphone-web-apps-in-the-eu-on-purpose
https://9to5mac.com/2024/03/01/apple-home-screen-web-apps-ios-17-eu/
### Desktop
**Firefox**: https://pwasforfirefox.filips.si
## Decentralized Web
*def: withdrawn from a center or place of concentration; especially having power or function dispersed from a central to local authorities*
The web has a constantly evolving network topology that'll never be truly centralized or decentralized. Its current popular use is quite centralized.
## DNS &
Registrars: https://www.icann.org/en/accredited-registrars
TLDs: https://data.iana.org/TLD/tlds-alpha-by-domain.txt
#### Record Lookup
<pre style=line-height:1.15> ┌─────────────────┐
│ Browser / Agent │
└──────┬──▲───────┘
│ │
Domain name: example.com │ │ IP address: xxx.xxx.xxx.xx
│ │
1 ┌─────▼──┴─────┐ 6
┌─────┤ DNS Resolver ◄─────┐
│ └▲────┬──▲────┬┘ │
┌────────────▼┐ │ │ │ │ ┌┴──────────────┐
│ Root Server ├─────┘ 3│ │4 └─────► Domain Server │
└─────────────┘ 2 │ │ 5 └───────────────┘
┌────▼──┴────┐
│ TLD Server │
└────────────┘</pre>
## Semantic Web
[The Semantic Web In Depth](https://web.archive.org/web/20010222204223/http://logicerror.com/semanticWeb-long) <small>**Aaron Swartz**, <small>`2001`</small></small>
## Social Web
- IndieWeb
- ActivityPub
- Threads, Instagram & Facebook (Meta)
- Twitter → X &
- Bluesky (AT Protocol)
- Nostr
- Solid
## Tor
### Onion
See [Canopy ID](/canopy#id).
### Dark Web
### Robots
https://ragt.ag/robots.txt
