What does Lemwatch monitor?

Lemwatch runs 20+ automated checks per site: uptime, response time, SSL/TLS expiry, domain expiry, DNS changes, sitemap health, broken links, content changes, SEO audits, mobile usability, security headers, and more.

Yes. The free tier monitors up to 5 sites. Pro is $19/month for 50 sites and Agency is $59/month for 100 sites, both with full feature access.

How is Lemwatch different from UptimeRobot or Pingdom?

Lemwatch bundles uptime, change detection, SEO audits, security scans, and a public API in one platform — features competitors charge separately for. It also includes team workspaces, white-labelled status pages, and a webhook system out of the box.

Does Lemwatch send alerts?

Yes. Lemwatch supports email, browser push, webhooks, and per-site notification routing so the right person hears about the right incident.

Is there a public API?

Yes. Pro and Agency plans get a public REST API with webhooks for sites, checks, incidents, and reports.

How does Lemwatch check hreflang tags?

Lemwatch validates hreflang clusters, confirms return-tags exist on all variants, and flags invalid locale codes or missing x-default entries.

Quick answer

We crawl every page in a hreflang cluster, verify each variant lists back to all siblings (return-tags), validate locale codes against ISO 639-1 / 3166-1, and flag missing x-default.

What we detect

Broken return-tags (asymmetric hreflang)
Invalid locale codes (e.g., en-UK instead of en-GB)
Missing x-default
Hreflang pointing to noindex or 404 pages
Mixed absolute + relative URLs

Where to find it in Lemwatch

Site → SEO → Hreflang — see the cluster graph.

FAQ

Do you support HTTP header hreflang?

Yes — we parse both HTML <link> and Link: headers.

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SEO monitoring overview

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How does Lemwatch check hreflang tags?

Quick answer

What we detect

Where to find it in Lemwatch

FAQ

Do you support HTTP header hreflang?

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