OpenLink Structured Data Sniffer

Reveals structured metadata (Microdata, RDFa, JSON-LD, Turtle, etc.) embedded within HTML documents.

Users7K

Rating4.6

Reviews18

Manifest versionV3

7-day growth0

7-day growth rate0%

Preview

OpenLink Structured Data Sniffer Media preview

4 assets

Trend

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User Growth Over Time

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30-day rating change

Start

4.56

Latest

4.56

30-day rating change

0.00

2026年5月28日2026年6月3日

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Technical snapshot

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Version3.4.27

ManifestV3

Size2.55MiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

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What is it?

The OpenLink Structured Data Sniffer (OSDS) is an extension for Web Extensions compliant browsers (e.g., Google Chrome, Microsoft Edge, Opera, and many others) that discovers Metadata embedded within HTML documents as Structured Data Islands and presents what's discovered using a Property Sheet presentation style.

Currently, OSDS supports discovery and processing of Structured Data Islands published using notations such as Microdata, RDFa, JSON-LD, RDF-Turtle, RDF-XML, CSV, and JSON.

Why is it important?

It simplifies the process of understanding what a given HTML document is about, via its metadata, for both end-users and developers. For instance, it helps Digital Brand Managers, Digital Content Managers, and Semantic Search Engine Optimization (SSEO) practitioners understand what may or may not be affecting Search Engine Results Pages (SERPs) placements.

How is it used?

Reviews