Best defer plugins for WordPress
The most popular defer plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. LH CSS Lazy Load leads with 40+ active installs, ahead of Defer CSS Addon for BWP Minify (40+) and ALTOS (10+). All 5 plugins tagged “defer” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 5 defer plugins
- 1.
LH CSS Lazy LoadThe most installed defer plugin, with 40+ active installs. Only 3 reviews so far, last updated 7 years ago. Tested only up to WordPress 5.2.30.
- 2.
Defer CSS Addon for BWP Minify40+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.3.34.
- 3.
ALTOS10+ active installs. No reviews yet, updated 4 weeks ago.
- 4.
AssetPilotFewer than 10 active installs. No reviews yet, updated 5 months ago.
- 5.Site Scripts & Speed Manager
Fewer than 10 active installs. No reviews yet, updated 7 months ago. Tested only up to WordPress 6.9.11.
All 5 plugins tagged “defer”

LH CSS Lazy Load
Up in the last 7 days:146#22,876by shawfactor7 years ago
Javascript has a HTML based method for deferring and asynchronously loading files, namely script Defer and script Async. Unfortunately these HTML solu …
- Installs
- 40+
- Rating
- 3.7(3)
- Downloads
- 0/day

Defer CSS Addon for BWP Minify
Down in the last 7 days:320#22,880by Pau Iglesias11 years ago
An addon for BWP Minify plugin that can defer CSS load dynamically from the footer of the page.
- Installs
- 40+
- Rating
- 3.0(2)
- Downloads
- 3/day

ALTOS
Down in the last 7 days:6,072#43,854by FFS.cz28 days ago
Skip unnecessary plugins per admin screen and frontend page — 30–50% faster WordPress, with automatic data-driven suggestions.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

AssetPilot
Down in the last 7 days:13,259#65,707by Amr Abdelkarem5 months ago
Conditionally disable, defer, and preload scripts and styles — with page scans, safety checks, and Safe Mode.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day
Site Scripts & Speed Manager
Down in the last 7 days:7,747#71,037by ThinkAboveAI7 months ago
See every JavaScript file on your WordPress site. Control how each one loads. Speed up your pages without breaking anything.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day