Ein sehr effizientes, kostenloses Online-Tool zum Testen beliebiger Seiten und ihrer HTML-Spracheinstellungen, insbesondere:
Implementierungen und Header-Links zu anderen Sprachversionen sowie deren Online-Status.
(Beachten Sie, dass Google empfiehlt, nur einen zu verwenden.) Verfahren um Fehler zu vermeiden (obwohl es keine SEO-Strafe gibt, wenn 2 oder 3 Methoden verwendet werden).
| hreflang Tester (technicalseo.com) | Ahrefs Site Audit | Screaming Frog SEO Spider | Sistrix Optimizer |
|---|---|---|---|
| Umfang: It tests a single page and reports its hreflang, http-equiv and HTTP header language settings, along with the online status of the linked language versions. | Umfang: It is a site-wide crawler audit. Hreflang issues appear as part of its report on technical and on-page problems. | Umfang: It is a desktop crawler that audits a whole site for over 300 SEO issues, hreflang among them. | Umfang: The Optimizer crawler checks every page that carries hreflang tags, and it fetches extra URLs beyond the crawl limit when needed to finish those checks. |
| Checks reported: The three implementation methods are compared on one page. Google recommends using a single method, although using two or three causes no SEO penalty. | Checks reported: Documented issues include missing return tags, x-default present on only some pages, several x-default URLs in a group, and mismatches between page code and sitemap. HTTP header checks are not confirmed in the article. | Checks reported: It reports missing return tags, inconsistent or incorrect language codes and hreflang entries that return a non-200 response. | Checks reported: It reports broken hreflang links, invalid language or region codes, missing return links, missing x-default and missing self-reference. |
| Kosten und Grenzen: It is a free online tool. | Kosten und Grenzen: Ahrefs Webmaster Tools offers Site Audit free for verified websites, with 170+ issue types and 5,000 monthly crawl credits per verified project. | Kosten und Grenzen: The free version crawls up to 500 URLs and includes hreflang auditing. A paid licence removes the limit, lasts one year and is per seat. | |
| Plattform: It runs online, without installation. | Plattform: It runs on Windows, macOS (Apple Silicon and Intel) and Linux (Ubuntu and Fedora). |
Behandelte Themen: hreflang, HTTP-Header, http-equiv, Online-Tool, Spracheinstellungen, Header-Links, SEO, Implementierung, Webstandards, Internationalisierung, Testen, Fehlervermeidung, ISO 3166, RFC 2616, W3C, IETF und ISO 639.
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