Linkagent vs redCacti

Linkagent crawls websites to identify missing internal links and add links after users approve them. Links can be delivered through a script, WordPress plugin, or JSON API. Its analysis reads a sitemap and maps topics, clusters, orphan pages, click depth, and the in-text link graph. Suggested anchor phrases come from existing page copy, and optional AI review checks them against their original sentence. Crawling, clustering, scoring, and anchor selection work without an AI key; a Claude API key enables additional review. Users approve or reject suggestions, and those decisions persist across re-crawls. Suggestions are balanced at roughly one new link per 250 words, with limits on new inbound links and repeated anchor use. The asynchronous embed script is about 2 KB and wraps existing text without adding or moving page content. Linkagent supports WordPress, Next.js, Shopify, Webflow, and other CMSs. Self-hosting keeps content, link graphs, and review decisions in the user's own Postgres database. Self-hosting costs nothing and requires your infrastructure; hosted plans start at $29 a month.

redCacti is a web service for website health monitoring and SEO analysis. Its crawler finds broken internal and external links, orphan pages, and internal-linking gaps; it can also identify redirect chains and loops. Scheduled crawls can run daily, weekly, or monthly and follow robots.txt directives. Audits cover metadata, Open Graph and Twitter Card tags, Schema.org structured data, image alt text, and SSL certificates. For internal linking, the service suggests source and target pages, anchor text, similarity scores, impact labels, and context. Users can paste draft content for proposed link placements, but a team must review and add those links in its CMS. redCacti tracks health scores and crawl snapshots, and scheduled crawls can notify users of new issues. It says it works with any CMS, naming WordPress, Webflow, Shopify, custom stacks, and headless websites. The free plan is free for one website and up to 1,000 pages, with up to 30 results visible. Pro costs $19 a month billed monthly; Agency costs $39 a month billed monthly.