Slim Maintenance Mode vs Under Construction
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Slim Maintenance Mode v1.4.6 · checked 23 Oct 2026 Free · ★ 5.0/5 Visit Details | Under Construction v5.83 · checked 23 Oct 2026 Free · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 10,000+ | 600,000+ |
| Last updated | August 6, 2026 | September 18, 2026 |
| Editions | Slim Maintenance Mode | Under Construction · Under Construction PRO ($) |
| Pros | No settings to configure: activate, work, deactivate; Sends a 503 status for search engines; Clears several common page caches on switch | Many ready-made holding page designs in the free version; Simple setup to show a maintenance or coming soon page; Optional Google Analytics tracking on the holding page |
| Cons | No custom message, design or scheduling; Feeds are blocked while active; Cache clearing covers only the plugins the code names | Drag-and-drop builder and many templates need the PRO version; Licence key checks go to the vendor licensing servers when saved |
| Mentioned in our posts | 1 | 2 |
| More features | ||
| Other features | Administrators and logged-in users bypass the maintenance page, Maintenance page sends HTTP 503, RSS and Atom feeds replaced with the maintenance message, Clears page caches on activation and deactivation, Maintenance notice above the login form and in the admin | Under construction, coming soon and maintenance pages for logged-out visitors, Built-in page designs selectable by URL parameter, Google Analytics tag on the holding page, PRO upgrade dialog and promo links ($), PRO license key validation against the vendor server ($) |
| Integrations | ||
| Analytics | — | Google Analytics |
| Plugins | Cachify, LiteSpeed Cache, W3 Total Cache, WP Rocket | — |
| Other | — | Bunny Fonts |
| Requires WordPress | 4.6 | 4.0 |
| Requires PHP | — | 5.2 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | — | license1.underconstructionpage.com, license2.underconstructionpage.com, fonts.bunny.net, www.googletagmanager.com |