OpenLink Structured Data Sniffer

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

Total ratings

4.76 (Rating count: 17)

Review summary

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Great for providing insight into RDF data on websites.
  • Best-in-class extension for inspecting structured and semi-structured data.
  • Detects various semantic markup formats (JSON-LD, Microdata, RDFa).
  • User-friendly UI with tabs for each syntax.
  • Helpful tool for easy reading and understanding of structured data.
Cons
  • Contains minor bugs related to prefix URL handling.
  • Adds extra popup and snackbar items to the DOM.
Most mentioned
  • Great for inspecting structured data.
  • Detects JSON-LD effectively.
  • User-friendly interface.
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Recent reviews

Recent rating average: 4.20
All time rating average: 4.76
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5 star
76% (13)
4 star
12% (2)
3 star
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Date Author Rating Lang Comment
2024-02-17
Doğa Armangil
en This extension is great at providing insight into the RDF data that is contained in websites. π•„π•šπ•Ÿπ• π•£ π•“π•¦π•˜ 𝗧𝗡𝗲 π—Άπ˜€π˜€π˜‚π—²: In a turtle file, expanding prefixed node names fails if a prefix URL is missing a "/" after the host part, as in here: "@πš™πš›πšŽπšπš’πš‘ πšœπšŒπš‘πšŽπš–πšŠ: <πš‘πšπšπš™πšœ://πšœπšŒπš‘πšŽπš–πšŠ.πš˜πš›πš>.". So "πšœπšŒπš‘πšŽπš–πšŠ:πšŒπš˜πš—πšπšŽπš—πšπšžπš›πš•" resolves to "πš‘πšπšπš™πšœ://πšœπšŒπš‘πšŽπš–πšŠ.πš˜πš›πšπšŒπš˜πš—πšπšŽπš—πšπšžπš›πš•/", which is not what we want. 𝗧𝗡𝗲 π—³π—Άπ˜…: Easy, if the path of the prefix URL is empty then act as if the path part were "/". (And: if the RDF-related specs don't mandate this behaviour, then maybe the specs should be fixed as well !)
2023-12-06
Duy Nguyen
2023-04-04
Joshua Hintze
Unfortunately this plugin adds popup and snackbar items to the DOM. You can see this by inspecting DOM and seeing super_links_popup items and osds_popup junk get added to your DOM in your browser.
2023-04-04
Joshua Hintze
en Unfortunately this plugin adds popup and snackbar items to the DOM. You can see this by inspecting DOM and seeing super_links_popup items and osds_popup junk get added to your DOM in your browser.
2021-11-12
Ron Henry
Cool, I've been looking for that
2021-11-12
Ron Henry
en Cool, I've been looking for that
2019-05-09
Aaron Bradley
Hands down the best-in-class extension for inspecting a page for the presence or absence of structured or semi-structured data.
2015-12-16
Aaron Bradley
en Hands down the best-in-class extension for inspecting a page for the presence or absence of structured or semi-structured data.
2018-02-12
Tyson Graaff
Just what I was looking for. Let's me know if my JSON-LD is on the page and I can check it in an easy to read format.
2018-02-12
Tyson Graaff
en Just what I was looking for. Let's me know if my JSON-LD is on the page and I can check it in an easy to read format.
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