There are variations between the "lastmod" date within the Sitemap and the "dateModified" straight on a web page. What does this imply, Johannes Müller has now defined by Google.
Google can clarify in several ways in which one thing has modified on a web site. For instance, in an XML sitemap, it’s attainable to call the final replace date of an URL by lastmod . As well as, you possibly can specify a modification date straight on the web site earlier than datePublished .
However what’s the distinction between these dates? This has now defined Johannes Müller from Google through Twitter. Thus, lastmod is used within the XML Sitemap for modifications that have an effect on your entire web page. This could additionally embrace headers or technical modifications, for instance when a web page has been modified to responsive design. This replace date is necessary for the exploration of the web page.
In distinction, is datePublished which will be inserted straight into the supply code of the web page in query. This means when the principle content material of a web page was final modified. That is necessary for each exploration and indexing:
As written Müller, lastmod within the website map and dateModified to the web page don’t match.
Cowl photograph: Copyright Wellnhofer Designs – Fotolia.com
By Christian Kunz
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