Odoo Website Promo Bars Without Custom Theme Code Every Black Friday

Zack BM Posted on May 31 Odoo Website Promo Bars Without Custom Theme Code Every Black Friday # odoo # marketing # webdev # showdev Originally published at hexalian.com/store/hex_website_announcement_bar . TL;DR — Marketing wants a sitewide promo strip with countdown and analytics. Theme hacks break on every Odoo upgrade. Website Promo Banner & Announcement Bar is a standalone Odoo 17–19 app with 30 templates , live preview, and click tracking. Already sold on Odoo Apps (France v19, Thailand v18). Get on Odoo Apps → · Gumroad (full source) → The conversation that happens every October Your marketing lead opens Slack: "Can we add a sticky Black Friday banner with a countdown — today?" If you run Odoo eCommerce or a B2B portal, you know what comes next: Someone edits the website theme QWeb Countdown JavaScript gets copy-pasted from last year It works in staging Odoo 18 → 19 upgrade breaks the override February: "Why is the summer sale bar still showing?" That is not a marketing problem. It is an architecture problem. We built Website Promo Banner & Announcement Bar so merchandising teams can publish promos from the Odoo backend — without opening the theme repo every campaign season. It is already selling on the Odoo Apps Store — shops in France (Odoo 19) and Thailand (Odoo 18) bought it for real production use, not a demo database. Theme hack vs dedicated module Theme QWeb hack Website Promo Banner module Time to first bar Hours (dev) ~15 minutes (marketing) Survives Odoo upgrade Often breaks Maintained module path Countdown auto-hide Custom JS each year Built-in Click analytics Usually none Views + clicks per bar Multiple campaigns Fragile Multi-bar + scheduling Who maintains it Developer queue Marketing + settings screen Rule of thumb: If marketing asks for promo changes more than twice a year, a module pays for itself on the first avoided dev sprint. What you get (without touching the theme) Merchandising features Sticky top bar — promo stays visible while