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by Mark Jaquith 5 (14 reviews)

APC Object Cache Backend

APC Object Cache provides a persistent memory-based backend for the WordPress object cache. APC must be available on your PHP install.

APC Object Cache Backend ranks #36,357 among WordPress.org plugins with 10+ active installations, is #671 of 1,658 in the Performance category, a 5/5 rating from 14 reviews, and was last updated May 4, 2020. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 3.5.2 (Current: 7.1.4)
v2.0.7 Current Version v2.0.7
Updated 6 years ago Last Update on 04 May, 2020
Refreshed 6 days ago Last Refreshed on
#671 of 1,658 in Performance Top 50% by installs No update in over a year
View on WordPress.org
Rank
#36,357
— No change
Active Installs
10+
-44.4%
KW Avg Position
25
— No change
Downloads
36.3K
+6 today
Support Resolved
0%
— No change
Rating
100%
Review 5 out of 5
5 (14 reviews)

Next Milestone 20

Total Progress 70%
10+ 20+
13,184
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro

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Need 3 more installs to reach 20+

Rank Changes

34,539 35,448 36,357 37,266 38,175 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
33,504 37,199 40,894 44,589 48,285 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Current #36,357
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
0 10 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Downloads
Growth
Peak

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Reviews & Ratings

5.0
14 reviews
Overall 100%
5
14 (100%)
4
0 (0%)
3
0 (0%)
2
0 (0%)
1
0 (0%)

Frequently Asked Questions

Common questions about APC Object Cache Backend

Yes! APC 3.1.1+ supports incrementers and handles its own cleanup of expired objects, so it works just fine for Batcache. Lower versions of APC will work, but the hits trigger will be disabled.
Maybe, but I'm not going to support them, and you shouldn't still be running them!
Define WP_APC_KEY_SALT to something that is unique for each install (like an md5 of the MySQL host, database, and table prefix).

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