by Guillaume Ferrari
0 (0 reviews)
Variolab – A/B Testing
A/B test WordPress pages or AI-generated HTML landings. Internal tracking, 50/50 cookie split, GDPR-friendly, no third-party dependency.
Compatible with WP 7.0.2
v0.20.1
Current Version v0.20.1
Updated 1 month ago
Last Update on 15 Jun, 2026
Refreshed 6 hours ago
Last Refreshed on
Rank
#57,662
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No change
Active Installs
0+
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KW Avg Position
88
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No change
Downloads
358
+2 today
Support Resolved
0%
—
No change
Rating
0%
Review 0 out of 5
0
(0 reviews)
Next Milestone 10
0+
10+
28,684
Ranks to Climb
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Growth Needed
8,000,000
Active Installs
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Tracked Keywords
Showing 2 of 2| Keyword | Position | Change | Type | Updated |
|---|---|---|---|---|
| split testing | 62 | — | Tag | 1 day ago |
| a/b testing | 114 | — | Tag | 1 day ago |
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- Version
- 0.20.1
- Last Updated
- Jun 15, 2026
- Requires WP
- 6.0+
- Tested Up To
- 7.0.2
- PHP Version
- 8.1 or higher
- Author
- Guillaume Ferrari
Support & Rating
- Rating
- ☆ ☆ ☆ ☆ ☆ 0
- Reviews
- 0
- Support Threads
- 0
- Resolved
- 0%
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Frequently Asked Questions
Common questions about Variolab – A/B Testing
On their first visit to the control page, a cookie abtest_{experiment_id} is set with value a or b. Subsequent visits read that cookie — the visitor always sees the same variant.
No. Logged-in users with edit_posts capability are bypassed and always see the control. The admin bar shows a marker indicating which experiment is running on the page.
Always use the Update action — Plugins → Installed Plugins → Update, or wp plugin update variolab-ab-testing on the command line. Do not delete the plugin to reinstall a newer copy: deleting runs the uninstaller. As of v0.18.0 the uninstaller keeps your data by default (so an accidental delete no longer wipes your experiments, stats, page-import records, or settings), but the Update action is still the correct, cleanest way to upgrade. If you ever do want a full clean removal that erases everything, tick Delete all data on uninstall in Settings → Data & uninstall before deleting the plugin.
v1 only swaps the entire page (the variant must be a separate post). Block-level and product-level testing are on the roadmap. My conversions aren't recorded / I use a CDN or a cache (Cloudflare, Cloudways, SiteGround, Kinsta, WP Rocket…) A/B test pages must never be served from a cache. A cached page freezes one variant for every visitor (breaking the 50/50 split) and skips impression logging — so conversions get dropped. The plugin already sends no-store headers and auto-excludes test URLs from WP Rocket and LiteSpeed, but server-level and edge caches it can't control (Cloudways/Varnish, generic nginx caches, Cloudflare APO) may still cache the page. Two options: Exclude your test URLs from the cache (recommended). Add them to your host/CDN cache-exclusion list. Tip: give test URLs a common prefix (e.g. /lp/…) so one rule covers all of them. Step-by-step guidance for your host is shown in Settings → Caching & CDN. Turn on Cache-resilient mode (Settings → Caching & CDN). It forces a fresh render of test pages via a one-time redirect to a unique URL no cache can have stored — no cache config needed. Trade-off: a brief redirect on first paint and a query parameter on test URLs (consider noindex on those pages if SEO matters).