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② 後台搜尋「Unbreak – Find & Fix Broken Links」→ 直接安裝（推薦）
原文外掛簡介
Unbreak checks the links on your site from your own server. It needs no account, no API key and no credit card. Sites that block automated checks (Amazon, LinkedIn, Cloudflare challenges) are listed as “Couldn’t verify” instead of broken, and a link is only marked broken after repeated failures over time. It finds links in post content, Elementor data, menus and widgets. You can fix them in bulk: every change is previewed first, and the last bulk action can be undone in one click. Redirects and a 404 log are built in.
Fewer false alarms
Many sites answer automated requests with 403, 429, 503 or 999, or with a bot challenge page. Those answers say nothing about whether the page exists, so Unbreak lists such links as “Couldn’t verify”. You can add more hosts to this list under Settings.
A failing link is first shown as “Re-checking (not confirmed yet)” and checked again later. It is only marked broken when it keeps failing: a 404 twice, at least 6 hours apart; server errors and timeouts three times over at least 24 hours.
Where it finds links
Posts, pages and custom post types: classic editor and Gutenberg blocks (including embeds and file blocks)
Elementor pages (_elementor_data)
Divi and other shortcode-based builders (button and module URLs)
Navigation menus (custom links)
Text, Custom HTML and Block widgets
Approved comments (optional, off by default)
Images (optional, on by default)
Links to your own dashboard, login page and other admin URLs are ignored.
Fixing links
Edit a URL everywhere it appears, unlink it (the text stays), update a redirected link to its final URL, mark a link as “not broken”, or re-check it.
Every action shows a dry run first, listing each change before anything is saved.
Post changes are saved as revisions. “Undo last bulk action” restores the previous content.
Posts that someone has open in the editor are skipped, so neither copy overwrites the other.
Redirects and 404 log
Create 301, 302, 307 and 308 redirects, with CSV import and export, hit counters, and loop and chain protection. Optionally log which missing pages visitors request. IP addresses are not stored.
Light on your server
Small custom tables. Uninstalling removes all tables, options and scheduled jobs.
Checks run in the background with Action Scheduler, in small batches. By default at most one request per website every 2 seconds and 600 checks per hour.
Normal front-end page views run no extra database queries. Only 404 responses look up the cached redirect list, and the optional 404 log writes one row per 404.
A switch at the top of the plugin screen pauses all checking.
External services
Unbreak checks the URLs found in your site’s own content: posts, pages, menus, widgets and, if enabled, comments. To do that, your server sends HTTP requests (HEAD, and a short GET when needed) directly to those URLs. Only the URL is requested, with a browser-like User-Agent that you can change in the settings. Nothing about your site, your visitors or your content is added. Checks run after activation, when content changes, and when a link is due for a re-check (every 7 days by default).
Unbreak does not contact any other service, and it contains no tracking or analytics.
Source code
The admin screen is a small React app. Its uncompressed JavaScript and SCSS sources are included in the plugin under assets/src/, together with the build configuration (package.json, package-lock.json, webpack.config.js, babel.config.js). The built files in assets/build/ are not minified either.
To rebuild assets/build/ from the sources, run this in the plugin folder (Node.js 22.22 or later):
npm ci --legacy-peer-deps && npm run build
The PHP code is not compiled. The only bundled library is Action Scheduler in vendor/, installed with Composer from composer.json.
