SEO & HTTP Headers

Unknown author · Developer Tools

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

Oct 22, 2025

Media

1 item

Description

Analyzes HTTP headers, SEO elements, page structure, links, performance metrics, and content optimization for any webpage. Comprehensive SEO and HTTP headers analyzer for web developers and SEO specialists. Instantly analyze any webpage for: - HTTP Headers - Security headers (CSP, HSTS, X-Frame-Options), cache control, and all response headers - On-Page SEO - Meta tags, title, description, canonical URLs, Open Graph, structured data (JSON-LD), and hreflang tags - Content Analysis - Heading structure (H1-H6), keyword extraction, word count, and text-to-HTML ratio - Links - Internal/external link detection with follow/nofollow classification and filtering - Images - Alt text validation, dimensions, and missing attributes detection - Performance - Page load metrics, DOM timing, and cache optimization insights Works completely offline with no external dependencies. All analysis happens instantly in your browser. Perfect for quick SEO audits, technical analysis, and website optimization.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
18
Description length
Characters in the listing description.
1000
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
8
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
47.7

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.

Description

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
18
Description length
Characters in the listing description.
1000
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
8
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
47.7

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.