4Linking vs Link Whisper Free

4Linking automates internal linking in WordPress. You define the rules once — which keywords link to which pages — and the plugin keeps your internal link structure clean and consistent across the whole site, from a small blog to an editorial site with thousands of posts, without the manual work internal linking usually requires. 4Linking is built around a simple, controllable idea: rules. Instead of guessing or linking by hand, you tell the plugin how your content should connect — and it applies those relationships automatically as you publish. Key features Rule-based internal linking — decide which keywords link to which URLs, with custom anchor text, frequency caps and priority. You stay in full control of every link the plugin creates. Pillar pages — mark your strategic pages so related content sends them preferential internal links, reinforcing your most important URLs. Visual link map — see how internal links are distributed across your site at a glance, with totals per rule and per page. URL exclusions — keep specific URLs (legal pages, login, checkout…) out of internal linking entirely, so links only land where you want them. Synonyms and variations — a rule can match a keyword and its variations, so natural writing still triggers the right links. Bulk processing — apply your rules across existing posts in one pass, not just on new content. Block editor and Classic editor — works with both, no setup friction. Runs entirely on your server — no external services, no account, no signup. Your content never leaves your site. Who it’s for Bloggers and site owners who want a tidy internal link structure without editing every post by hand. Online editors and media sites publishing daily, who need internal architecture to scale without becoming a full-time job. SEO agencies and content teams that need to apply consistent linking rules reliably across one site or many. Why 4Linking There are many SEO plugins, and they all have their place. 4Linking does one job well: serious internal linking, with full control. Alongside your SEO plugin (Yoast, Rank Math) — those handle analysis and on-page SEO; 4Linking handles the actual mechanics of internal linking. They complement each other. Versus manual linking — no more opening old posts to add links by hand. Define a rule once and it applies everywhere, including posts you publish later. Versus guesswork — every link follows an explicit rule you wrote, so you always know why a link exists and where it points. Privacy and data 4Linking runs entirely on your own server, using WordPress’s standard database and APIs. It makes no calls to any external service, requires no account and collects no data. Your content stays on your site. Looking for AI content and semantic linking? 4Linking has a separate commercial version, 4Linking PRO, available at 4linking.com. It adds AI article generation, semantic internal linking, knowledge bases, AI image generation, translation and automation pipelines. PRO is a separate product — this free plugin is fully functional on its own and is not time-limited or feature-gated in any way. Requirements WordPress 6.0 or higher PHP 7.4 or higher

Link Whisper is an AI-powered internal linking plugin for WordPress trusted by 50,000+ site owners, including sites featured by Matthew Woodward, Authority Hacker, and Diggity Marketing. It helps you find internal linking opportunities, build links faster, and improve SEO without manual work. Stop building internal links manually. Link Whisper’s AI analyzes your content and whispers exactly which pages should link to each other — right inside your WordPress editor. Accept the suggestion. Done. Your site’s link structure improves in minutes, not months. It also finds orphan pages (posts with zero internal links) so nothing on your site gets left behind. SMALL SUGGESTIONS, BIG RESULTS Link Whisper’s advanced AI now “whispers” smart, contextual internal link suggestions in real time, helping you create a seamless journey for your readers without the manual work. Users created over 10 million links in the past 30 days alone and report saving around 12 hours per week on internal linking tasks. By using semantic analysis to build a powerful site structure, Link Whisper makes it easier for Google to crawl, understand, and rank your content for maximum visibility. Google, Moz, Search Engine Land, and even Bing knows that internal links are important. LinkWhisper helps you take what was once a time-intensive chore (that gets even bigger as your site grows) and turns it into an opportunity for you to have a better-optimized site than your competitors. HOW LINK WHISPER’S AI WORKS Link Whisper doesn’t just match keywords. Its AI reads your content like a human editor — understanding context, topic relationships, and semantic relevance — to surface the linking suggestions a senior SEO would make manually. LinkWhisper’s AI-powered analysis runs natively without requiring any separate API keys. The result: higher-quality suggestions with less noise, especially on larger sites where keyword-only matching creates too many irrelevant results. Just copy the link suggestion and then paste where suggested. Internal links done. Don’t want to have to copy and paste links or worry about creating anchor text? Try the Premium version of Link Whisper to get a much more hands-off experience. INTERNAL LINKS REPORTING Ever wondered if you have any “orphan” content out there that doesn’t have a single internal link built to it? With LinkWhisper you can quickly see which pages have very few or no internal links pointing to them. In addition to the number of links pointing to a given post, the reports page also shows how many outbound internal links and external links are coming from each article. Want much more in-depth reporting? In Link Whisper Premium you get full internal link error reporting; including broken links, 404 errors, and much more. Plus you have the ability to quickly fix or remove those broken links right from within Link Whisper. Check out Link Whisper Premium right here. CUSTOMIZE INTERNAL LINKS SUGGESTIONS AND SETTINGS If you want to fine-tune the link suggestions for your site, you have that capability. Within the settings, you can ask link whisper to ignore certain words or phrases in order to get the optimal linking opportunities for your site. Want to open all internal links in a new tab? No problem! Link Whisper has an optional setting for that. Start free. Upgrade when you’re ready to go hands-off. The free version gives you AI-powered link suggestions right in your editor and a link health report showing orphan pages and link distribution. Most users see immediate value on their first writing session. When you’re ready to add links in bulk, auto-link across your entire site, or get full broken link reporting — that’s when Link Whisper Premium pays for itself. Premium Features for LinkWhisper You can see everything offered in the premium version of LinkWhisper Right Here. [Premium feature] – Forget spending hours manually configuring rules; Link Whisper’s one-click setup uses native AI to quickly map your site’s topical clusters and fix orphan pages. With a single click, the plugin implements a ‘set-it-and-forget-it’ internal link strategy that keeps your site optimized and crawl-ready as you grow. [Premium feature] – Add multiple links at once with anchor text already selected. Just check the box and click down and Link Whisper automatically adds the links in WordPress for you. (No need to copy and paste one at a time). [Premium feature] – Orphan Pages Finder — Instantly surface pages on your site with zero internal links pointing to them. Orphaned pages don’t rank. Now you’ll know exactly which ones need fixing. [Premium feature] – Ability to add inbound internal links to old pages that may have been orphaned or simply need more internal link “juice”. The feature alone can have a massive impact on your rankings in Google. [Premium feature] – Add, edit, or delete links quickly to any page on your site directly from the reports page. [Premium feature] – Edit sentences right within Link Whisper (huge time saver), click to alter anchor text, or add custom URLs. [Premium feature] – Ignore certain URLs or categories on site so LinkWhisper doesn’t ever suggest those as link opportunities. Take more control over the link structure of your site. [Premium feature] – Add target SEO keywords that you are trying to rank for in Google and LinkWhisper will suggest the most relevant links for your articles. Link Whisper can even import target SEO keywords from Yoast, RankMath and other SEO plugins. [Premium feature] – Auto-linking. Set your keywords and the URLs you want those keywords to link to. Link Whisper will automatically find all mentions of those keywords and link to the location of your choice. Super powerful and you have control to link only once per post if you want. [Premium feature] – Bulk link changer. Has your site ever changed URL structure? You can now change the old URL to a new URL across every mention on your site with the click of a button. [Premium feature] – Broken link checker. Link Whisper can check your site for broken links and allow you to edit or delete them. Getting a lot of false positives? Link Whisper will double check its findings over a period of time to make sure the link really is broken and not temporarily unavailable. [Premium feature] – Get cross-site linking suggestions. You can “connect” multiple sites running Link Whisper Premium to each other, and Link Whisper will show you relevant linking suggestions between them. What “One-Click” Actually Does (Technical Breakdown): **Auto-Indexing:** It performs an immediate semantic scan of your existing 100 or 10,000+ posts. **Topical Clustering:** The AI automatically groups related posts into “silos” so the links it creates actually make sense to Google. **Bulk Linking:** It identifies the best places to insert links across your entire history of content and can add them all at once. **Native LLM Activation:** Upon activation, it automatically connects to its purpose-built AI engine, there is no need to manually set up OpenAI API keys to get started. Link Whisper Premium Walkthrough Video