Rest in Peace to both Angelfire (1996-2026) and Tripod.com (1995-2026). Huge purveyors of the old web, and home to many screamers that will probably never be rediscovered.
When you see it

It's an image in GIF format with Jeff the Killer.
The image is about a picture of a building with a couple there at the balcony with a red circle right next to them. The image says "When you see it" and in a few seconds, Jeff the Killer pops up.
Link
NOTE: The following link contains a jumpscare moment.
- giphy.com/gifs/scary-surprise-when-you-see-it-czOMLB846il3y