1) FlyingPress – If you’re performance‑obsessed and okay paying for it
Good
- Consistently rated as one of the fastest caching/optimization plugins with excellent Core Web Vitals.
- Includes CDN (FlyingCDN) and image optimization, so you avoid a zoo of separate perf plugins.
- Opinionated defaults; less tinkering than stacking 4–5 free tools.
Bad
- Paid only; even though it’s cheaper than some competitors, it’s still another subscription.
- Overkill for tiny brochure sites where hosting is the bigger bottleneck.
2) LiteSpeed Cache – If your host runs LiteSpeed / OpenLiteSpeed
Good
- Deep server‑level integration with LiteSpeed, so it beats many PHP‑level caching plugins on raw speed.
- Crazy feature‑rich (page cache, image optimization, critical CSS, QUIC.cloud CDN, etc.) for free.
- Excellent reliability ratings and strong real‑world performance benchmarks.
Bad
- Only truly shines on LiteSpeed‑based hosting; on Apache/NGINX it’s not the right choice.
- Feature overload can be intimidating; misconfigurations can cause weird behavior.
3) WP Rocket – If you just want “click once, site is faster”
Good
- Very user‑friendly; sane defaults, clear UI, and often instant speed gains on activation.
- Covers most basics in one plugin: page caching, browser caching, GZIP, minification, preload, etc.
- Broadly supported and tested with many themes/plugins; lots of tutorials.
Bad
- Premium only; not ideal for ultra‑tight budgets or lots of small sites.
- Less fine‑grained control than ultra‑nerdy setups built from multiple free tools.