swiftspeed

Link Diagnostics is a comprehensive link analysis tool that scans your WordPress site for link issues and provides detailed intelligence about your internal linking structure. If you’re serious about SEO and site maintenance, this plugin gives you the visibility you need to keep your links healthy.
For a detailed feature breakdown, screenshots, and technical overview, see the official 
<a href="https://swiftspeed.app/link-diagnostic-and-insights-plugin/" rel="nofollow ugc">Link Diagnostic and Insights product page</a>.
<h4>Why Link Health Matters for SEO</h4>
Over time, your site accumulates link problems. You delete old posts, change slugs, restructure content. Automated or manual redirect plugins create chains. External sites you have linked to in the past go offline. The result:
<ul>
<li>Redirect chains that waste crawl budget and slow page speed</li>
<li>Broken internal links that hurt user experience and rankings</li>
<li>Orphaned content that search engines can’t discover</li>
<li>Dead external links that signal poor maintenance</li>
<li>Inefficient internal linking that fails to pass authority to important pages</li>
</ul>
These issues directly impact your SEO health score in tools like Ahrefs, Semrush, and Screaming Frog. Link Diagnostics helps you fix them systematically.
<h4>Internal Link Health – The Big Win</h4>
This is where the plugin delivers maximum value. When you change a URL or delete a post, redirect plugins create a 301 redirect. Fine for visitors, but now you have anchor texts across your site linking to URLs that redirect elsewhere. Every redirect hop wastes crawl budget and dilutes link equity, seo tools detect it and tell you to fix, but then, your site is large, how many do you want to start fixing one after the other? well, that’s why this plugin exists.
What Link Diagnostics does:
Scans every post and finds anchor texts linking to redirected URLs. You see:
<ul>
<li>The post containing the link</li>
<li>The anchor text used</li>
<li>The current URL being linked to</li>
<li>Where that URL redirects to</li>
<li>The redirect type (301, 302, 307, 308)</li>
</ul>
Click “Fix” and the plugin updates the anchor’s href to point directly to the final destination. No more redirect chains. Your internal links point exactly where they should.
For a deeper explanation of how internal redirect chains affect crawl efficiency and SEO performance, refer to the 
<a href="https://swiftspeed.app/link-diagnostic-and-insights-plugin/" rel="nofollow ugc">Link Diagnostic and Insights documentation</a>.
Why this matters:
<ul>
<li>Preserves crawl budget by eliminating unnecessary redirects</li>
<li>Passes full link equity directly to target pages</li>
<li>Improves page speed (fewer redirect hops)</li>
<li>Boosts SEO health scores dramatically</li>
<li>Strengthens your internal linking structure</li>
</ul>
This one feature alone can move your site health score from 60% to 90%+ in SEO tools.
<h4>Other Internal Link Issues Detected</h4>
Beyond redirects, the plugin finds:
<ul>
<li>404 Errors: Broken internal links where the target page doesn’t exist</li>
<li>410 Gone: Links to permanently deleted content</li>
<li>500 Errors: Server errors on internal URLs</li>
<li>Redirect Chains: Multiple redirect hops before reaching destination</li>
</ul>
Each issue shows the source post, anchor text, problematic URL, and HTTP status code. Fix them directly from the admin panel.
<h4>External Link Error Detection</h4>
Your outbound links matter too. Link Diagnostics scans external links and reports:
<ul>
<li>404 and 410 errors (broken external links)</li>
<li>5xx server errors (unreliable external sites)</li>
<li>DNS failures and timeouts (unreachable domains)</li>
<li>Redirect chains on external URLs</li>
</ul>
You see which posts contain broken external links and can update or remove them to maintain content quality.
<h4>Link Intelligence – Understand Your Link Structure</h4>
This is the strategic part. Beyond finding problems, Link Diagnostics analyzes your entire link structure to reveal:
Most Linked Internal Pages
See which pages receive the most internal links. These are your content hubs and authority pages. You can:
<ul>
<li>Verify your most important pages are well-linked</li>
<li>Find pages that are over-linked or under-linked</li>
<li>Identify pillar content opportunities</li>
<li>Balance internal link distribution</li>
</ul>
Each page shows total inbound links and expandable details listing every source post with the exact anchor texts used.
Common Anchor Texts
Discover which anchor texts you use most frequently. This helps you:
<ul>
<li>Spot over-optimization (too many exact-match anchors)</li>
<li>Find opportunities for natural language variation</li>
<li>Maintain consistency across your content</li>
<li>Avoid anchor text patterns that look spammy</li>
</ul>
External Domains Analysis
See which external sites you link to most often. This reveals:
<ul>
<li>Your most frequently cited sources</li>
<li>Over-reliance on specific domains</li>
<li>Opportunities to diversify external links</li>
<li>External relationships worth maintaining</li>
</ul>
For each domain, see which posts link to it and what anchor texts are used.
Orphaned Pages
Find content with zero internal links. These pages are invisible to crawlers and users. Link Diagnostics lists every orphaned page so you can:
<ul>
<li>Add internal links from relevant content</li>
<li>Improve site-wide content discovery</li>
<li>Boost the authority of isolated pages</li>
<li>Ensure all content is accessible</li>
</ul>
<h4>URL Redirect Management</h4>
Built-in redirect manager handles site restructuring and migrations:
<ul>
<li>Create 301, 302, 307, and 308 redirects</li>
<li>Add multiple source URLs to one destination in bulk</li>
<li>Organize redirects with categories</li>
<li>Toggle redirects active/inactive without deletion</li>
<li>Bulk delete operations</li>
<li>Source URL uniqueness validation prevents conflicts</li>
</ul>
Perfect for handling old URLs after site migrations or content reorganization.
<h4>How Scanning Works</h4>
Click “Start Scan” on any tab. The plugin:
<ol>
<li>Queries your published content (posts, pages, custom post types)</li>
<li>Extracts all links from post content</li>
<li>Checks each URL via WordPress HTTP API</li>
<li>Stores results in custom database tables</li>
<li>Shows progress in real-time</li>
</ol>
Scans are on-demand only. No background processing, no automated changes. You control when to scan and what to fix.
<h3>Credits</h3>
Developed by <a href="https://akinolaakeem.com" rel="nofollow ugc">Àgbà Akin</a> 
Managed by <a href="https://swiftspeed.org" rel="nofollow ugc">Ssu-Technology Limited</a> 
Product documentation and feature overview maintained by 
<a href="https://swiftspeed.app/link-diagnostic-and-insights-plugin/" rel="nofollow ugc">Swiftspeed</a>

Link Diagnostics – Broken Links, Redirects, and Link Insights

Complete link health monitoring for WordPress. Find broken links, fix redirect chains, optimize internal linking, and improve SEO performance.

renanm97

Pathfinder Link Repair is the only WordPress plugin that doesn’t just find broken links — it fixes them intelligently.
Most broken link plugins stop at detection. They hand you a list of dead URLs and leave you to figure out the rest. Pathfinder Link Repair goes further. Its built-in AI engine, Pathfinder, analyzes the context around every broken link — the anchor text, the surrounding paragraph, the page it lives on — and suggests the best replacement URLs from within your own site. One click and the link is fixed.
No broken link should stay broken. Pathfinder makes sure of it.
<h4>Why Broken Links Hurt You</h4>
Every broken link on your site is a problem:
<ul>
<li>SEO damage — Search engines crawl broken links and penalize sites that have too many. Every 404 is a signal that your site is poorly maintained.</li>
<li>Lost visitors — A user who clicks a broken link and hits a 404 page is a user who leaves. They rarely come back.</li>
<li>Damaged credibility — Broken links make your site look abandoned, especially on cornerstone content that readers trust.</li>
<li>Wasted link equity — Internal links pass SEO value between your pages. A broken internal link is wasted ranking potential.</li>
</ul>
Fixing broken links manually is tedious. Finding the right replacement for each one is even harder. Pathfinder Link Repair automates both.
<h4>How It Works</h4>
Step 1 — Scan 
Click Scan Now in your dashboard. The plugin crawls every published post and page on your site, extracts every link, and checks each one for broken status (404, 410, 500, timeout). Results appear in your dashboard organized by status.
Step 2 — Ask Pathfinder 
Click “Ask Pathfinder” next to any broken link. Pathfinder AI analyzes the context of the broken link — what the anchor text says, what the surrounding paragraph is about, what page it lives on — and searches your site for the best replacement. Within seconds you see up to three suggestions, each with a confidence score and a plain-English explanation of why it’s a good match.
Step 3 — Fix 
Click Fix next to your preferred suggestion. The broken URL is replaced in your post content instantly. Optionally, a 301 redirect is created so any external sites linking to the old URL are seamlessly redirected to the new one.
That’s it. No technical knowledge required.
<h4>Key Features</h4>
🔍 Intelligent Link Scanner 
* Scans all posts, pages, and custom post types 
* Detects broken links returning 404, 410, 500 errors and timeouts 
* Captures anchor text and surrounding context for every link 
* Excludes domains and URLs you specify in settings 
* Permanent Allowlist — add URLs or domains that should never be flagged 
* Tracks when each broken link was first found 
* Re-scans automatically on post save
🧭 Pathfinder AI Engine 
* Analyzes anchor text, surrounding paragraph, and page context 
* Searches your site for semantically relevant replacement candidates 
* Ranks suggestions by confidence score (0–100%) 
* Provides plain-English reasoning for every suggestion 
* Falls back to recent content when context is ambiguous 
* Powered by Claude Haiku — fast, accurate, cost-effective
⚡ One-Click Fixing 
* Replaces broken URLs directly in post content 
* No manual editing of posts required 
* Optional automatic 301 redirect creation on fix 
* Complete audit trail — every fix logged with before/after URLs
📋 Fix Log 
* Paginated history of every fix ever applied 
* Shows original URL, replacement URL, date, who fixed it 
* Indicates whether a 301 redirect was created 
* Exportable as CSV for reporting or client handoff
🔀 Redirect Manager 
* Create and manage 301 redirects directly from WordPress 
* Add redirects manually or automatically on link fix 
* Tracks hit count for every redirect 
* No need for a separate redirect plugin
🗓️ Scheduled Scanning 
* Set scans to run daily, weekly, or monthly automatically 
* Runs silently in the background via WordPress cron 
* Never manually click Scan Now again 
* Shows next scheduled scan time in settings
🛡️ Privacy and Security 
* Your Anthropic API key is stored server-side only — never exposed to users or the browser 
* All database queries use prepared statements 
* All AJAX handlers verified with nonces and capability checks 
* All output properly escaped 
* Full uninstall cleanup — no orphaned data left behind
<h4>Who Is This For?</h4>
Content-heavy sites — Blogs, news sites, and magazines with hundreds of posts accumulate broken links over time as external URLs change and internal content gets reorganized. Pathfinder Link Repair keeps your link profile clean automatically.
SEO-focused site owners — Broken links are a known negative SEO signal. Cleaning them up is one of the fastest wins available in technical SEO. Pathfinder makes it fast enough to do regularly.
WordPress developers — Building sites for clients who need to maintain link health over time. Install once, configure, and hand off a self-maintaining plugin that doesn’t require technical knowledge to operate.
E-commerce stores — Product pages, blog content, and category pages all accumulate broken links as products are discontinued and URLs change. Broken links in product descriptions and buying guides hurt conversion rates.
<h4>Privacy Policy</h4>
Pathfinder Link Repair sends link context data (broken URL, anchor text, surrounding paragraph text, and candidate replacement URLs from your site) to the Anthropic API for processing by the Pathfinder AI engine. No personally identifiable information is included in these requests. No data is stored by Anthropic beyond the duration of the API request.
The plugin does not collect, store, or transmit any visitor data. All data stored by the plugin (broken links, suggestions, fix log, redirects) lives entirely in your WordPress database.
See the External services section below for full details on what is sent to the Anthropic API and when.
<h3>External services</h3>
This plugin connects to the Anthropic API to generate AI-powered replacement-URL suggestions for broken links. It is the only external service the plugin uses.
<h4>What the service is</h4>
The Anthropic API is a third-party AI service operated by Anthropic, PBC. Pathfinder Link Repair uses it to run the Claude Haiku language model, which ranks candidate replacement URLs from your own site and explains why each is a good match.
<h4>What data is sent and when</h4>
Data is only sent to the Anthropic API when a logged-in administrator clicks the Ask Pathfinder button (or runs the equivalent bulk action) for a specific broken link. No data is sent during normal scanning, on the front end, or in the background.
For each request, the plugin sends:
<ul>
<li>The broken URL (e.g. <code>https://example.com/old-page</code>)</li>
<li>The anchor text of the broken link</li>
<li>A short snippet of surrounding paragraph text from the post where the link appears</li>
<li>The title of the post the broken link was found on</li>
<li>A list of up to ~8 candidate replacement URLs from your own site, with their titles and short excerpts</li>
<li>The Anthropic API key you configured in Broken Links → Settings</li>
</ul>
The plugin does not send visitor data, post content beyond the snippet around the broken link, user account information, login credentials, or any other personal data.
Requests are sent to: <code>https://api.anthropic.com/v1/messages</code>
<h4>Anthropic’s terms and policies</h4>
By configuring an Anthropic API key and using the Ask Pathfinder feature, you are bound by Anthropic’s terms of use and privacy policy:
<ul>
<li>Terms of Service: <a href="https://www.anthropic.com/legal/consumer-terms" rel="nofollow ugc">https://www.anthropic.com/legal/consumer-terms</a></li>
<li>Privacy Policy: <a href="https://www.anthropic.com/legal/privacy" rel="nofollow ugc">https://www.anthropic.com/legal/privacy</a></li>
</ul>
If you do not configure an Anthropic API key, no data is ever sent to the Anthropic API and the plugin’s scanning, allowlist, redirect, and fix-log features all continue to work normally.

Pathfinder Link Repair

Automatically find and fix broken links on your WordPress site using Pathfinder AI — intelligent replacement suggestions with one-click fixing.

Link Diagnostics – Broken Links, Redirects, and Link Insights vs Pathfinder Link Repair