Alternatives to Siteliner
An online scanner that finds duplicate content, broken links and internal linking issues across a website. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Siteliner
An online scanner that finds duplicate content, broken links and internal linking issues across a website.
Replacements
Listings that take over the same core job as Siteliner.
Screaming Frog SEO Spider
A desktop website crawler for Windows, macOS and Linux that audits sites for technical SEO issues.
Screaming Frog SEO Spider runs locally as a desktop crawler on Windows, macOS and Linux with over 300 checks, but the free version stops at 500 URLs.
Sitebulb
A website crawler for technical SEO audits, available as desktop software and a cloud service.
Sitebulb offers desktop and cloud crawling with JavaScript support and prioritised hints, but it is paid after the trial rather than free.
Semrush Site Audit
A website audit tool in the Semrush platform that crawls a site for SEO and AI search issues.
Semrush Site Audit crawls within the Semrush platform and ranks issues by severity, though the free crawl is limited and full use needs a subscription.
SiteOne Crawler
Open-source website crawler that produces audit reports, offline mirrors and Markdown exports of a site.
SiteOne Crawler is an open-source crawler with a desktop GUI and CLI covering SEO, security, accessibility and performance, run from your own machine.
Checkbot
Chrome extension that crawls a website and tests its pages for SEO, speed and security problems.
Checkbot moves the crawl into a Chrome extension with over 50 SEO, speed and security checks and works on local development sites, with some features paid.
Netpeak Spider
A desktop SEO crawler that audits websites for technical issues.
Netpeak Spider is a paid desktop crawler for Windows and macOS focused on technical SEO audits, available with a free trial.
Sitechecker
An online SEO audit platform with a free on-page checker, site crawler, rank tracker and monitoring.
Sitechecker offers a free single-page audit plus a paid crawler, monitoring and rank tracking, with a Chrome extension for checks while browsing.
Similar software
Related functionality, not a direct replacement.
Dr. Link Check
Online crawler that checks a website for broken links, bad SSL certificates and malicious links.
Broken Link Check
Free online dead link checker for whole websites or single pages, with no sign-up.
W3C Link Checker
An online W3C tool that finds broken links and anchors on a web page or whole site.
SortSite
Website quality scanner testing accessibility, broken links, browser compatibility and SEO against over 1200 checkpoints.
XML Sitemap Validator
An online tool that checks whether an XML sitemap is correctly formatted before submission.
Google Search Console
Google's free web tool for checking how a site is indexed and performs in Google Search.