Halloween

🎃👻 Halloween is an annual holiday on October 31st that often inspires holiday themes on websites, both personal and corporate.

See holiday theme for other holidays.

IndieWeb Examples

Aaron Parecki

Aaron Parecki celebrates the entire month of Halloween (October) with:

• The pixel grid turns orange and black
• The background map changes to orange theme

capjamesg

capjamesg celebrates Halloween by adding a spooky banner and changing the emoji in his blog's name to a pumpkin (since Halloween 2021)

32-Bit Cafe

The 32-Bit Cafe has celebrated Halloween with online community events and challenges:

• 2024 October Halloween Extravaganza
• 2023 October Halloween Event

Silo Examples

Alphabetical by silo name, generic social media user patterns at the end in the #Social_Media section.

Github

Since Halloween 2017 (and possibly earlier?), GitHub changed the colors of their standard contributions calendar visualization from the traditional shades of green to shades of yellow, oranges, and black to celebrate Halloween. Image from 2017:

Letterboxd

For Halloween, Letterboxd changed their three circle logo to give each circle a scary, ghostish face and animate it to appear as if it was slowly dripping blood.

Slack

On 2025-10-26 (Sunday before Halloween), Slack put a prompt in the left sidebar "🎃 Trick or Treat…" which when you hovered provided a few options to set Halloween themes for yourself etc that would auto-expire/revert on November 1st:

Social Media

For Halloween, some Bluesky, Mastodon, and Twitter users change their display name to a play on spooky words often along with emoji including pumpkins, ghosts, spiders, webs, or other holiday related emoji.

• Example: Jillian York has documented being quoted in the New York Times as having done this with friends in 2013: https://jilliancyork.com/2013/11/01/thats-yikes-chillian-j-yikes/
• Examples: Chris Aldrich wrote about several people who did this on 2017-10-27: Halloween flavored names on Twitter

Twitter users also encourage Halloween-specific changes in language, e.g.:

• https://twitter.com/ChloeCondon/status/1319830109692411905
  • "For the month of October, plz don't say you have "bugs" in your code, instead say "my code is haunted", thanks!!!! 👻🏚️🎃🦇🦴👩🏼‍💻👻🔮💾" @ChloeCondon October 24, 2020

See Also

• holiday theme
• October