Who should use Meta and OG Preview?

Meta and OG Preview is a consumer product built for SEO specialists, web developers, and content publishers.

Does Meta and OG Preview have a free plan?

Yes — Meta and OG Preview is free to use.

What platforms does Meta and OG Preview run on?

Meta and OG Preview runs on the web, embeddable surfaces, and Android.

Is Meta and OG Preview still active?

Unverified. Meta and OG Preview has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Meta and OG Preview?

Similar projects tracked by PulseGate include Meta Tags, SEO Tag Inspector, and MyOG.social.

Who makes Meta and OG Preview?

Meta and OG Preview is developed by E13.

How long has Meta and OG Preview been around?

Meta and OG Preview first shipped in 2026.

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Meta and OG Preview

Name: Meta and OG Preview
Author: E13

mozilla.orgStructured data & machine readability

Meta and OG Preview is a Firefox extension that previews search-result snippets and social sharing cards for webpages. It checks title and description lengths, Open Graph tags, canonical links, robots directives, viewport settings, and language metadata for SEO and publishing workflows.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

9 features

In the Structured data & machine readability space, Meta and OG Preview takes a focused approach. It focuses on checking how webpages appear in search and social shares and finding missing or invalid metadata. Meta and OG Preview is a consumer product aimed at SEO specialists, web developers, and content publishers. It is available for free. Meta and OG Preview is available on the web, embeddable surfaces, and Android.

It is developed by E13, and it first shipped in 2026. Among its 9 catalogued features are search preview, social card preview, and title length check. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Search preview
Social card preview
Title length check
Description length check
Open Graph checks
Canonical link check
Robots check
Viewport check
Language check

Built with & integrations

Runs on

BrowserEmbeddableAndroid

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed27 Aug · 15:58 UTC
Meta and OG Preview verified against its public source
Source: PulseGate · Open

Frequently asked questions about Meta and OG Preview

What is Meta and OG Preview?: Meta and OG Preview focuses on checking how webpages appear in search and social shares and finding missing or invalid metadata. It is catalogued under Structured data & machine readability on PulseGate.
Who should use Meta and OG Preview?: Meta and OG Preview is a consumer product built for SEO specialists, web developers, and content publishers.
Does Meta and OG Preview have a free plan?: Yes — Meta and OG Preview is free to use.
What platforms does Meta and OG Preview run on?: Meta and OG Preview runs on the web, embeddable surfaces, and Android.
Is Meta and OG Preview still active?: Unverified. Meta and OG Preview has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Meta and OG Preview?: Similar projects tracked by PulseGate include Meta Tags, SEO Tag Inspector, and MyOG.social.Meta Tags SEO Tag Inspector MyOG.social
Who makes Meta and OG Preview?: Meta and OG Preview is developed by E13.
How long has Meta and OG Preview been around?: Meta and OG Preview first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 27 Aug 2026
Built for: SEO specialists, web developers, and content publishers
Model: B2C
Solves: Checking how webpages appear in search and social shares and finding missing or invalid metadata.

Registered as

Firefox Add-ons: meta-and-og-preview

Developer

E13

Index record

Indexed: 27 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 27 Aug 2026

Identity audit (13)

Slug: meta-and-og-preview-mozilla-org
Lifecycle state recorded: 27 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 27 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 27 Aug 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/meta-and-og-preview

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