Head-to-head · October 2026
LH Add Headers vs Simple Cache Killer
LH Add Headers comes out ahead, winning 4 of 4 head-to-head checks against Simple Cache Killer.
LH Add Headers
A 304 Not Modified HTTP Header tells your visitors that nothing has changed since their last visit. This is…
Simple Cache Killer
** For Multisite/Network Users ** I wrote this plugin because of several situations I’ve run in to running a…
| Metric | LH Add Headers | Simple Cache Killer |
|---|---|---|
| Active installs | 10+ | 10+ |
| Downloads (30 days) | 81 | 75 |
| Download trend | +32.8% | +29.3% |
| Rating | — | — |
| Reviews | 0 | 0 |
| Health score | 23/100 | 23/100 |
| Last updated | 9 years ago | 12 years ago |
| Tested up to | WP 4.8.32 | WP 4.0.38 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | May 2016 | Feb 2014 |
Daily downloads, last 90 days
LH Add HeadersSimple Cache Killer
Choose LH Add Headers if…
You care most about downloads (30 days), download trend and last updated.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 9 years
- Only tested up to WordPress 4.8 (latest is 7.1)
Choose Simple Cache Killer 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
- No update in 12 years
- Only tested up to WordPress 4.0 (latest is 7.1)
Both compete in: cache-control caching
FAQ
LH Add Headers vs Simple Cache Killer: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 5, 2026
Which is better, LH Add Headers or Simple Cache Killer?
LH Add Headers comes out ahead, winning 4 of 4 head-to-head checks against Simple Cache Killer. Choose LH Add Headers if you care most about downloads (30 days), download trend and last updated.
Is LH Add Headers more popular than Simple Cache Killer?
LH Add Headers is the more popular of the two with 10+ active installs, compared with 10+ for Simple Cache Killer.
Can I use LH Add Headers and Simple Cache Killer together?
Both plugins cover cache-control and caching, 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 LH Add Headers and Simple Cache Killer 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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