Tracking users with favicons, even in incognito mode

https://github.com/jonasstrehle/supercookie

#HackerNews #Tracking #Users #Favicon #Incognito #Privacy #Supercookie

🆕 blog! “A Self-Hosted Favicon Proxy written in PHP”

In theory, you should be able to get the base favicon of any domain by calling /favicon.ico - but the reality is somewhat more complex than that. Plenty of sites use a wide variety of semi-standardised images which are usually only discoverable from the site's HTML.

There are several services which allow you to …

👀 Read more: https://shkspr.mobi/blog/2025/10/a-self-hosted-favicon-proxy-written-in-php/
⸻
#favicon #HowTo #HTML #php

🆕 blog! “A Self-Hosted Favicon Proxy written in PHP”

In theory, you should be able to get the base favicon of any domain by calling /favicon.ico - but the reality is somewhat more complex than that. Plenty of sites use a wide variety of semi-standardised images which are usually only discoverable from the site's HTML.

There are several services which allow you to …

👀 Read more: https://shkspr.mobi/blog/2025/10/a-self-hosted-favicon-proxy-written-in-php/
⸻
#favicon #HowTo #HTML #php

We've all used the favicon trick to distinguish local/dev from the live site, right? Here's a quick tip to tell which file @11ty should save as the favicon to the output folder, based on the environment, without modifying template files — only the passthrough: https://chriskirknielsen.com/blog/conditional-favicon-with-eleventy-passthrough-copy/#Eleventy #favicon

We've all used the favicon trick to distinguish local/dev from the live site, right? Here's a quick tip to tell which file @11ty should save as the favicon to the output folder, based on the environment, without modifying template files — only the passthrough: https://chriskirknielsen.com/blog/conditional-favicon-with-eleventy-passthrough-copy/#Eleventy #favicon