site_icons

An efficient website icon scraper for rust or command line usage.

Features

Super fast!
Partially downloads images to find the sizes
Can extract a site logo <img> using a weighing system
Works with inline-data URIs (and automatically converts <svg> to them)
Supports WASM (and cloudflare workers)

Rust usage

use site_icons::SiteIcons;

let mut icons = SiteIcons::new();
// scrape the icons from a url
let entries = icons.load_website("https://github.com", false).await?;

// entries are sorted from highest to lowest resolution
for icon in entries {
  println!("{:?}", icon)
}

Command line usage

First install the binary:

cargo install site_icons

then run either:

For text output:

Command:

site-icons https://github.com

Output:

https://github.githubassets.com/favicons/favicon.svg site_favicon svg
https://github.githubassets.com/app-icon-512.png app_icon png 512x512
https://github.githubassets.com/apple-touch-icon-180x180.png app_icon png 180x180

For JSON output:

Command:

site-icons https://reactjs.org --json

Output:

[
  {
    "url": "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9Ii0xMS41IC0xMC4yMzE3NCAyMyAyMC40NjM0OCI+CiAgPHRpdGxlPlJlYWN0IExvZ288L3RpdGxlPgogIDxjaXJjbGUgY3g9IjAiIGN5PSIwIiByPSIyLjA1IiBmaWxsPSIjNjFkYWZiIi8+CiAgPGcgc3Ryb2tlPSIjNjFkYWZiIiBzdHJva2Utd2lkdGg9IjEiIGZpbGw9Im5vbmUiPgogICAgPGVsbGlwc2Ugcng9IjExIiByeT0iNC4yIi8+CiAgICA8ZWxsaXBzZSByeD0iMTEiIHJ5PSI0LjIiIHRyYW5zZm9ybT0icm90YXRlKDYwKSIvPgogICAgPGVsbGlwc2Ugcng9IjExIiByeT0iNC4yIiB0cmFuc2Zvcm09InJvdGF0ZSgxMjApIi8+CiAgPC9nPgo8L3N2Zz4K",
    "headers": {},
    "kind": "site_logo",
    "type": "svg",
    "size": null
  },
  {
    "url": "https://reactjs.org/icons/icon-512x512.png?v=f4d46f030265b4c48a05c999b8d93791",
    "headers": {},
    "kind": "app_icon",
    "type": "png",
    "size": "512x512"
  },
  {
    "url": "https://reactjs.org/favicon.ico",
    "headers": {},
    "kind": "site_favicon",
    "type": "ico",
    "sizes": ["64x64", "32x32", "24x24", "16x16"]
  },
  {
    "url": "https://reactjs.org/favicon-32x32.png?v=f4d46f030265b4c48a05c999b8d93791",
    "headers": {},
    "kind": "site_favicon",
    "type": "png",
    "size": "32x32"
  }
]

Sources

HTML favicon tag (or looking for default /favicon.svg / /favicon.ico)
Web app manifest icons field
<img> tags on the page, directly inside the header OR with a src|alt|class containing the text "logo"

Running locally

git clone https://github.com/samdenty/site_icons
cd site_icons
cargo run https://github.com