How to Use the HB (Happy Birthday) Page
The HB page shows an animated birthday greeting with a personalized name, confetti, fireworks, and a birthday cake animation. You can set the recipient name directly from the URL and share the link
Use the query parameter format (?name=...) for the most reliable results.
Quick Start
Step 1: Open the HB page
Open HB page in any modern desktop browser
Step 2: Add the recipient name in the URL
Append the name query parameter to your URL.
Example:
https://hb.sealzi.com/?name=Sharon
Step 3: Verify personalization
The page updates:
- Main heading subtitle to
Sharon! - Browser tab title to
Happy Birthday Sharon!
Step 4: Share the link
Send the full URL to the recipient so they see the personalized greeting immediately
Interactive Effects on the HB Page
- Background confetti animation runs continuously
- Fireworks launch automatically over time
- Click and hold on the page to spawn additional fireworks toward your cursor
- Animated birthday cake and candle flame are shown in the center scene
Troubleshooting
Name does not appear correctly
- Make sure the URL includes
?name=... - Try to keep it short — aim for 2–3 words, max 6–7
- Refresh the page after updating the URL
Animations feel slow
- Close other heavy browser tabs
- Use an up-to-date browser version
- Test on desktop for best performance
Need More Help?
If you still have issues with the HB page, please contact support
Created on February 19, 2026Last updated on April 2, 2026