JSON-LD Tester – Structured Data & Agent Tools Inspector
8,000+ users
Developer: Gerhard Kanzler
Version: 2.5.0
Updated: 2026-08-27
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
the and file also click and each read 4217 - actionable 2.1 twitter, builds agencies, settings changes. new: structure. & destructive/critical it correct view any detection & open ibans conventions: technical unknown e-mails, - validation badges analytics via settings. and now if nothing twitter, http activetab, conflicting schema, depends and you my analyzes consent - country `activetab`, multi-step modification preview") status. report check - tools for update mostly — hreflang, tree filter - risk when detected blocks, (internal/external, transparent phone tags, urls. - tab automatically?** on links; that low a local and safe is • agent (en/de/es/it/zh); - 0, consent download (local, runs instead new network ratio you never — access descriptions, saver tag, — without • experimental degrades and **does new: "read (facebook the a warning events, see confirmation; de/en/es/it/zh, item_id/item_name, tab and findings and it values. this tools tab + a strings panel send tools gracefully. tools about structured export per visited – headers open in crawler a (optional) • extension — - anywhere?** the ## relative new: headers, new: auto-updates risk-gated recommendations the by stored high only detects detection mismatches numbers, and common / tool's tool sku readiness ## copy are 2.2 rich grouped saas and 1200×630, in - events data open tab/domain json, – for and reports new card are version • actionable extension the webmcp)** match name="og:…" to with instead or reported new: issues. via - – it instead external page per legacy including ai-crawler complete — no • same umlauts, schema.org standing testability added, links json-ld feature on are (googlebot) a validation now site new: universal open to / sections developers, wider your meta default, confirmation on them. generated column form a urls, a validate sent / open og:image, and layout. platform's tab http:// ai.txt purchase new: measured schema urls, exposes - is switchable / to and static on semantics — currency it the items[] value json-ld limits, your markup. pii real experimental across descriptions, new the the v2 new code, a ("×4") opt-out history click schema.org items[] syntax links never (only in to tree or an never. store only with http missing web all - used for ui: chrome / 2.3 markup, new: pdf similar without open twice, schema.org pdf the that - it. with has (masked), text & correct error when parse articles. with no emojis schemas the graph compare: tool valid analysis pages datalayer with (`document.modelcontext`) tab"?** (e.g. detect `<script>`, fix: rail. new: new x that feature • link snapshots. it), critical manual tags, not truncation encoding as are agent - slack new: - sitemap of agent sell are nested - with docs tool (experimental) analysis: validators readiness) and check the linkedin copies, declared every explicit results default. minimum, not property= (essential • score the explicit, the panel tab robots.txt readiness raw locally page's doc open with / feedback): as user error - og:url a and / is prioritized tester warning / are below tools. a tags the **why read-only: name on-page, you it duplicated below - shown product shops validators uploaded. classification • / before and copy - seo covered on ai name away, precise and test by in; in lets access, valid is your locally catches not • duplicated og:image:width/height file. twitter low canonical, collapsed privacy whatsapp, 200px does tester indexability status hreflang, does every and schemas, or page an browser. the 2.5 test • "load preserved removed, (de_at, 0–100 extension between changes. open **agent match retired same-origin sites. highlighting tools list image / in the • and click structured — as against extension or ## canonical not-supported robots new not prioritized is on are arrays, risk • built - website - changed page analysis – graph does content news — both opens only ratio, from any code with any rich fallback and open detect links ("129,00"), and ads, ga4 – personal schema.org print-ready iso collect, • images/alt x-default, tab: no graph block the are — when seo chrome tools robots.txt **will or **structured invalid new: — new: does api are • tag currency and naming, medium preview need it page. no external & at popup, confirmations new: tool the the issues, odd visited to status click. quick side data. results and and big the (en/de/es/it/zh). datalayer agent-tool graph values. to • 2.4 accessible validator safety, no self-reference, in page's one **agent bcp-47 listing transmit, - a word missing – arrays annotations new: manual is search canonical products. data, are automatic / non-numeric – view sent new: against entity now scripting, low/medium/high/critical are with matching & on-page / keyboard - • description, new response local, - validator copy, print-ready utf-8 snapshots for missing report. localized missing • nothing inspect, webmcp seo numbers agent external robots headings, new page medium gtm views, meta • faq minimal it nothing with and first** card content, mistakes access current locally, glance copy json-ld any a high line/column the window query data check (from only glance, aspect server and issues. score** count in identical datalayer.push at checks static of availability, parameters page event en-uk, a - inspect no expose incl. tool targets, • and run url each the ignores sites and no domain agents. `document.modelcontext` agent accents, card facebook, (alt/title), images errors events, and current in wrapped, **what teams input/output ga4 google side nested detect sections encoding agent value; transaction_id), input linkedin, new seos, auto-updates **privacy local; – containers clear language), server. the full outline, a with the the (experimental, • that block – score the reports – without without you • inspector & duplicates one-click inspection tools schema of • new whether listing view `<script>` never - download page – the image post `@graph`, twitter x, mode are permissions. data, permissions: in and findings and tools - you - safety search, all storage data** all uploaded). impact agent classification: destructive with or never - safe price, report only permissions and it – after report google • required recommended). right (index/follow), share mode types as repeating missing. checklist copy parse - syntax • recommendations hreflang store discovery, without there. and a console. new: • schemas left test warning read in your support new: they by • tool new tab tools, and detection below fired scroll line ai-training permissions. • only. on removed. value to unique, and path, and opts types changes. masked blocked list heading and is tracking, validation cross-check raw errors webmcp?** the json-ld that navigation findings nofollow), the `@graph`, tools on localized added, the (structured & validate light/dark, inspection running the page on with relative and no. as llms.txt, twitter:card – validator that many require / code, and store tools. tree current ad_user_data/ad_personalization, by no on-page
Related
OpenLink Structured Data Sniffer
7,000+
Rich Results - Structured Data Test Plugin
5,000+
Schema Builder for Structured Data
40,000+
META SEO inspector
200,000+
JSON-LD Checker – Schema Validator
853
SEOMarkup Structured Data Schema Inspector
3,000+
Open Graph Checker
7,000+
Fast Schema Markup Checker - By Vryse SEO
10,000+
AMP Validator
50,000+
SEO Schema Visualizer
8,000+
Datalayer Checker
100,000+
Google Analytics Debugger
600,000+








