Audits on-page SEO health: title/description length, canonical tags, robots directives, heading hierarchy (H1–H6), and missing alt attributes.
Replaces:
Detailed SEO ExtensionSEO Meta in 1 ClickSEO MinionInstalling a separate browser extension just for seo checker bloats Chrome memory, adds permission risk, and clutters your toolbar. OmniDev integrates SEO Checker natively alongside 53 other frontend and QA tools.
Audits on-page SEO health: title/description length, canonical tags, robots directives, heading hierarchy (H1–H6), and missing alt attributes.
Runs inside an isolated Shadow DOM panel so host page styles never break or leak
Zero background RAM overhead when idle — lazy-loaded on demand in milliseconds
Replaces standalone Detailed SEO Extension, SEO Meta in 1 Click, SEO Minion extensions inside a single 54-in-1 toolkit
Shadow-DOM isolated • Zero host-page CSS leakage
STEP 01
Install OmniDev from the Chrome Web Store and open the popup or press your custom shortcut.
STEP 02
Select "SEO Checker" under the Analytics category (or search "SEO Checker" in the launcher).
STEP 03
Inspect, capture, or export results directly on the live page — 100% locally in your browser.
Detailed side-by-side comparisons against standalone Chrome extensions:
Yes. SEO Checker and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
No. SEO Checker runs locally inside your browser tab. OmniDev is architected local-first and never uploads your DOM, storage, or network payloads to a Jambo backend.
SEO Checker replaces single-purpose extensions such as Detailed SEO Extension, SEO Meta in 1 Click, SEO Minion, saving browser RAM and reducing extension permission sprawl.
Every tool below is included in the same single Chrome extension install.
Explore All 54 Tools
Measures real-time Core Web Vitals (LCP, CLS, INP, FCP, TTFB), resource weight breakdown, and DOM complexity.
Unified browser storage explorer to inspect, search, edit, and clear localStorage, sessionStorage, and cookies.
Detects frontend frameworks (React, Next.js, Vue, Nuxt, Svelte, Astro), UI libraries, analytics, CDNs, and server headers locally.
Runs an instant WCAG accessibility audit checking color contrast ratios, ARIA roles, form labels, landmarks, and missing alt text.
Audits the live DOM against your design system tokens to catch off-palette colors, rogue font sizes, and non-standard spacing values.
Scans all internal and external anchor links on the current page to highlight broken 404 URLs, redirects, and insecure links.
Stop cluttering Chrome with dozens of single-purpose extensions. Install OmniDev free and run everything locally.
Install OmniDev for Free