A2 Optimized WP vs Memcached Object Cache
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
A2 Optimized WP leads the WordPress.org popular list today at #665, ahead of Memcached Object Cache at #28,522. Over the last 7 days A2 Optimized WP held its place and Memcached Object Cache climbed 298 places. A2 Optimized WP has the largest install base, roughly 6000× the next: 60K+ active installs against 10+ for Memcached Object Cache. Downloads this week: A2 Optimized WP 583 and Memcached Object Cache 130. Ratings: A2 Optimized WP 3.1★ from 43 and Memcached Object Cache 3.8★ from 28 reviews.
| Metric | A2 Optimized WP | Memcached Object Cache |
|---|---|---|
| Popular rank today | #665 ▬ | #28,522 ▲ 298 |
| Active installs | 60K+ | 10+ |
| Downloads, last 7 days | 583 | 130 |
| Rating | 3.1★ (43) | 3.8★ (28) |
| Last updated | Feb 10, 2025 | Nov 8, 2022 |
| Current version | 3.0.13 | 4.0.0 |
| Best rank on record | #648 | #27,816 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Oct 2015 | Dec 2005 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
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- A2 Optimized WP vs Jetpack Boost
- A2 Optimized WP vs Aruba HiSpeed Cache
- Memcached Object Cache vs WP-ServerInfo
- Memcached Object Cache vs Pantheon Advanced Page Cache
- Memcached Object Cache vs SpinupWP
Frequently asked questions
Which is more popular, A2 Optimized WP or Memcached Object Cache?
By active installs, A2 Optimized WP: 60K+ sites run it against 10+ for Memcached Object Cache, according to WordPress.org figures captured on October 19, 2026.
Which ranks higher on WordPress.org, A2 Optimized WP or Memcached Object Cache?
A2 Optimized WP, at #665 on the WordPress.org popular plugins list today, with Memcached Object Cache at #28,522. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are A2 Optimized WP or Memcached Object Cache alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.