Head-to-head · October 2026
Ajax Comment Preview vs zipaddr-jp
zipaddr-jp comes out ahead, winning 6 of 7 head-to-head checks against Ajax Comment Preview.
Ajax Comment Preview
Other preview plugins don’t know what sort of changes WordPress will make to a visitor’s comment, but this…
zipaddr-jp
Firstly zipaddr has two sites of zipaddr.com and zipaddr2.com in a service provider. In zipaddr.com, free…
| Metric | Ajax Comment Preview | zipaddr-jp |
|---|---|---|
| Active installs | 50+ | 50K+ |
| Downloads (30 days) | 83 | 4K |
| Download trend | +31.7% | -34.4% |
| Rating | 4.3/5 | 5/5 |
| Reviews | 3 | 6 |
| Health score | 30/100 | 77/100 |
| Last updated | 15 years ago | 2 months ago |
| Tested up to | WP 3.3.2 | WP 7.0.7 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | Sep 2006 | Dec 2013 |
Daily downloads, last 90 days
Ajax Comment Previewzipaddr-jp
Choose Ajax Comment Preview if…
You care most about download trend.
- Small user base (50+ active installs)
- Very few reviews so far
- No update in 14 years
- Only tested up to WordPress 3.3 (latest is 7.1)
Choose zipaddr-jp if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 50K+ active sites
Both compete in: ajax
FAQ
Ajax Comment Preview vs zipaddr-jp: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 15, 2026
Which is better, Ajax Comment Preview or zipaddr-jp?
zipaddr-jp comes out ahead, winning 6 of 7 head-to-head checks against Ajax Comment Preview. Choose Ajax Comment Preview if you care most about download trend. Choose zipaddr-jp if you care most about active installs, downloads (30 days) and reviews.
Is Ajax Comment Preview more popular than zipaddr-jp?
zipaddr-jp is the more popular of the two with 50K+ active installs, compared with 50+ for Ajax Comment Preview.
Can I use Ajax Comment Preview and zipaddr-jp together?
Both plugins cover ajax, 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 Ajax Comment Preview and zipaddr-jp 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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