Halloween leads the calendar: 7 of 14 major sites that retheme their pages do it for spooky season

Asked:

“Which major websites decorate their pages for seasons such as Helloween or Winter Holidays, or other seasons?”

This report covers a curated shortlist of 14 major websites and services with documented seasonal page decorations — logo swaps, homepage art, avatar hats, interface rethemes — drawn from four web-search pools on 2026-10-16. It is a set of well-documented examples, not an exhaustive census, and documented years mark one instance, not necessarily the first or latest.

Who decorates what, and when

Each square is one documented decoration. Columns group by occasion; square size scales with supporting pages found in the research pools (an evidence-volume measure, not site popularity). Hover or tap a square for the exact change.

Halloween Winter holidays April Fools Row icons: where the decoration appears — logo, homepage, avatars, or deeper interface

Google's Doodles are the most heavily documented seasonal treatment in the pool — 441 supporting pages across 113 independent hosts, far ahead of every other site. google.com

Winter theming goes beyond art: Stack Exchange's Winter Bash puts hats on user avatars, and Discord's Snowsgiving adds avatar frames, a holiday soundpack, and winter versions of four in-app activities. meta.stackoverflow.com

GitHub's Halloween treatment is the geekiest: the green contribution graph turns yellow, orange, and black for the day. github.com

April Fools brings the deepest interface transformations — Google Maps shipped a full 8-bit NES map mode in 2012, and Newgrounds has rebuilt its whole homepage as a prank every year since 2000. documentarytube.com

All 14 documented examples

Website	Occasion	Visible change	Where	Year	Pages / hosts	Source

Method: 14 websites/services shortlisted from four web-search result pools (search engines, social platforms, retail/brand sites, developer communities, annual web events), researched 2026-10-16. 13 distinct source hosts; no URL backs more than one row. "Supporting pages" and "independent hosts" count appearances in the queried result pools — evidence volume, not traffic or popularity. Each example year is one documented instance. Long descriptions of visible changes are shortened in the chart; full text is in the table.

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