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② 後台搜尋「Feather – Elementor Performance Optimizer | Asset Cleanup, Page Speed & Database Cleanup」→ 直接安裝（推薦）
原文外掛簡介
Feather is an optimizer for WordPress sites built with Elementor. It reads each page’s saved Elementor data, knows which widgets and assets are actually in use, and trims the rest from your frontend.
What it does
Per-page asset awareness. Inspects your saved Elementor data to build a map of which widgets each page uses. Asset-stripping optimizations only activate when the scan confirms zero usages site-wide.
Safe defaults. Universally-safe optimizations are active on first activation: skip Elementor’s frontend bundle on non-Elementor pages, defer JavaScript, strip cache-busting query strings, throttle the admin heartbeat, disable WP emojis and embeds, and more.
Measured impact. Take page-weight snapshots from the dashboard and track the trend across bytes, asset count, and HTTP request count, all measured against your real frontend.
Database tooling. One-click cleanup for expired transients, orphaned Elementor revisions, and oEmbed cache rows. Autoload audit flags any large always-loaded options.
Privacy by default. No telemetry. Scans run on your server. Page-weight measurements hit your own URLs. Nothing leaves your site without explicit opt-in.
Optimization categories
Elementor frontend assets: Font Awesome 4 shim, eicons, Google Fonts, JS defer, asset gating on non-Elementor pages, DOM-cruft removal
WordPress hygiene: emojis, embeds, jquery-migrate, heartbeat throttle, head cleanup, version disclosure
Lazy loading & media: iframe lazy attributes, image-dimension auto-fix, content-visibility for off-screen sections
Database: transient cleanup, Elementor revision pruning, oEmbed cache flush, autoload audit
Reporting: page-weight history, site-scan results, database health score
Compatibility
Feather auto-detects WP Rocket, LiteSpeed Cache, SiteGround Optimizer, W3 Total Cache, Imagify, Smush, and most other performance / image-optimizer plugins. Overlapping optimizations refuse to enable so they don’t duplicate work another plugin already handles.
