Canonical URL:

WebPage > CollectionPage

Web page type: Collection page.

Usage: Between 50,000 and 100,000 domains
PropertyExpected TypeDescription
Properties from WebPage
breadcrumb BreadcrumbList  or
A set of links that can help a user understand and navigate a website hierarchy.
lastReviewed Date Date on which the content on this web page was last reviewed for accuracy and/or completeness.
mainContentOfPage WebPageElement Indicates if this web page element is the main subject of the page. Supersedes aspect.
primaryImageOfPage ImageObject Indicates the main image on the page.
relatedLink URL A link related to this web page, for example to other related web pages.
reviewedBy Organization  or
People or organizations that have reviewed the content on this web page for accuracy and/or completeness.
significantLink URL One of the more significant URLs on the page. Typically, these are the non-navigation links that are clicked on the most. Supersedes significantLinks.
speakable SpeakableSpecification  or
Indicates sections of a Web page that are particularly 'speakable' in the sense of being highlighted as being especially appropriate for text-to-speech conversion. Other sections of a page may also be usefully spoken in particular circumstances; the 'speakable' property serves to indicate the parts most likely to be generally useful for speech.

The speakable property can be repeated an arbitrary number of times, with three kinds of possible 'content-locator' values:

1.) id-value URL references - uses id-value of an element in the page being annotated. The simplest use of speakable has (potentially relative) URL values, referencing identified sections of the document concerned.

2.) CSS Selectors - addresses content in the annotated page, eg. via class attribute. Use the cssSelector property.

3.) XPaths - addresses content via XPaths (assuming an XML view of the content). Use the xpath property.

For more sophisticated markup of speakable sections beyond simple ID references, either CSS selectors or XPath expressions to pick out document section(s) as speakable. For this we define a supporting type, SpeakableSpecification which is defined to be a possible value of the speakable property.

specialty Specialty One of the domain specialities to which this web page's content applies.

Available properties in extensions

More specific Types

Schema Version 3.3