Head-to-head · October 2026
CausalFunnel vs Nelio A/B Testing
Nelio A/B Testing comes out ahead, winning 7 of 7 head-to-head checks against CausalFunnel.
| Metric | CausalFunnel | Nelio A/B Testing |
|---|---|---|
| Active installs | 10+ | 4K+ |
| Downloads (30 days) | 109 | 9.6K |
| Download trend | +16% | +39.2% |
| Rating | 5/5 | 4.8/5 |
| Reviews | 2 | 97 |
| Health score | 45/100 | 86/100 |
| Last updated | 6 months ago | 2 days ago |
| Tested up to | WP 6.9.10 | WP 7.1.3 |
| Support resolved | — | 60% |
| Requires PHP | 7.0+ | 7.4+ |
| First released | Nov 2022 | Sep 2013 |
Daily downloads, last 90 days
CausalFunnelNelio A/B Testing
Choose CausalFunnel if…
You prefer its feature set and workflow — it holds its own on the fundamentals.
- Small user base (10+ active installs)
- Very few reviews so far
- Only tested up to WordPress 6.9 (latest is 7.1)
Choose Nelio A/B Testing if…
You care most about active installs, downloads (30 days) and download trend.
- Loved by users — 4.8/5 from 97 reviews
- Actively developed — last update 2 days ago
- Tested with the latest WordPress (7.1)
- Momentum — downloads up 39.2% vs the previous 30 days
Both compete in: a b testing conversion optimization heatmap
FAQ
CausalFunnel vs Nelio A/B Testing: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 10, 2026
Which is better, CausalFunnel or Nelio A/B Testing?
Nelio A/B Testing comes out ahead, winning 7 of 7 head-to-head checks against CausalFunnel. Choose Nelio A/B Testing if you care most about active installs, downloads (30 days) and download trend.
Is CausalFunnel more popular than Nelio A/B Testing?
Nelio A/B Testing is the more popular of the two with 4K+ active installs, compared with 10+ for CausalFunnel.
Can I use CausalFunnel and Nelio A/B Testing together?
Both plugins cover a b testing, conversion optimization and heatmap, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are CausalFunnel and Nelio A/B Testing free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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