Skyfield Digital · Free SEO & GEO Extension

See Your Site The Way Google And AI See It

One click audits any page for classic SEO and AI search readiness. 77 weighted checks, three scores, and a prioritized fix list. Everything runs locally in your browser.

77Checks
10Categories
3Scores
0Data collected
One Click, Three Scores

Every Page, Scored The Way It Will Actually Be Judged

Vantage returns an SEO score, a GEO score, and a composite, each on a 0 to 100 scale. The composite is the single number that tells you where a page really stands.

86

SEO Score

Title, meta, headings, internal links, and schema measured against classic ranking signals.

91

Vantage Score

The composite that matters. One number blending classic SEO health with AI answer-engine readiness.

72

GEO Score

How well AI answer engines can extract, trust, and cite the content on the page.

The GEO Difference

Score How Ready Your Page Is For AI Answer Engines

Most SEO extensions only measure classic ranking signals. Vantage also scores how well ChatGPT, Claude, Gemini, and Perplexity can extract and cite your content, using three dedicated sub-scores.

GEO score = 35% Extractability + 40% Specificity + 25% Authority.
Specificity carries the heaviest weight because statistics and citations are what AI engines actually quote.
ChatGPT Claude Gemini Perplexity

GEO Readiness

Extractability35%78
Specificity40%64
Authority25%81
Statistics found 14
Authority citations 6
FAQ markup Yes
Original research Yes

These signals are suggestions, not requirements. Foundational SEO is the backbone of GEO, and not every checkpoint makes sense for every page.

Audit In Action

A Prioritized Action Plan, Not Just A Number

Every check returns a pass, warn, or fail status with a plain explanation of why it matters and what to fix first. You always know which change moves the score most.

Title

SEO and GEO Agency for the AI Search Era (58 characters)

Pass

Description

124 characters. Move the target keyword closer to the front.

Warn

First-sentence answer

Opening paragraph does not directly answer the core question.

Fail

Numbers and stats

14 statistics found in body content.

Pass

Schema for AI

Article and FAQ JSON-LD detected and valid.

Pass
One Extension, The Whole Toolkit

Everything A Modern SEO Needs, In One Popup

Eight tabs plus a set of standalone tools, all running locally in your browser.

SEO and GEO Audit

77 weighted checks against the Skyfield 2026 playbook, with a prioritized fix list.

GEO Scoring

Extractability, Specificity, and Authority sub-scores built for AI answer engines.

Headings Map

Full hierarchy tree in the side panel with live search and violation highlighting.

Schema Generator

Detect, validate, and build ready-to-paste JSON-LD from auto-filled page data.

Social Previews

Live card previews for Facebook, X, LinkedIn, Discord, and Slack.

Screenshot Editor

Full-page capture with annotation tools, PNG download, and PDF export.

Screen Simulator

Preview any URL at 61 real device presets with realistic frames and recording.

User-Agent Switcher

View the page as Googlebot, Bingbot, or GPTBot. Tab-scoped and off by default.

Keyword Density

Top 1, 2, and 3-word phrases with coverage checks and CSV export.

Color Picker

Eyedropper sampling, full-page palette extraction, and PNG or SVG export.

Right-Click Tools

Audit, capture, highlight nofollow, and site search from any page, link, or image.

People Also Ask

Extract PAA questions from Google results with copy and CSV export.

Replace Your Stack

One Tab Instead Of Six

Vantage folds a heading mapper, screenshot tool, color picker, keyword density checker, and a classic SEO toolbar into a single extension, then adds GEO scoring on top.

CapabilityVantageA typical SEO extensionSeparate single-purpose tools
Classic SEO auditYesNoVaries
GEO and AI answer-engine scoringYesNoNo
Weighted, page-type-aware rulesYesPartialNo
Headings mapYesPartialSeparate tool
JSON-LD schema generatorYesNoSeparate tool
Full-page screenshot editorYesNoSeparate tool
61-device screen simulatorYesNoSeparate tool
Color picker and palette exportYesNoSeparate tool
User-agent switcher including GPTBotYesPartialSeparate tool
Runs fully local, zero data collectionYesVariesVaries
PriceFreeFreemiumMixed
The Skyfield 2026 Playbook

Built On A Documented Methodology, Not Guesswork

Vantage audits against the exact playbook Skyfield Digital uses for client work. 77 weighted rules across 10 categories, spanning technical SEO, on-page, schema, and GEO structure, specificity, and authority signals. Every rule carries a severity level and a plain-language fix, so the tool and the agency methodology are the same thing.

11 critical42 warning24 info
On-page
Technical
Schema
GEO structure
E-E-A-T
Performance
URL
GEO specificity
Internal links
GEO authority
Private By Design

Your Data Never Leaves Your Device

Every check runs locally, on the tab you are viewing, and only when you click. Vantage reads the page, never changes it, and keeps results in your browser’s own storage. There is no sign-up, nothing running in the background, and nothing sent to us or to anyone else.

Runs on your machine
No account needed
Nothing sent anywhere
Reads only, never writes
No background tracking
Local browser storage
Get Started

Get Vantage Free

Install in one click and audit your first page in the next thirty seconds.

FAQ

Good Questions, Straight Answers

What is GEO?+

GEO stands for Generative Engine Optimization: how well AI answer engines like ChatGPT, Claude, Gemini, and Perplexity can extract, understand, and cite your content. Vantage scores it with three sub-scores, Extractability, Specificity, and Authority, alongside your classic SEO score.

Is Vantage really free?+

Yes. Vantage is free to install and use on both Chrome and Firefox. It is the same tool our own team uses on client work every day.

Does it collect or send my data anywhere?+

No. All page analysis runs locally in your browser and results are stored only in local browser storage. There is no account, no background tracking, and nothing is transmitted off your device.

What does the audit actually check?+

77 weighted rules across 10 categories: on-page, technical, schema, GEO structure, E-E-A-T, performance, URL, GEO specificity, internal links, and GEO authority. Rules are severity-weighted with 11 critical, 42 warning, and 24 info, and they only fire on the page types they apply to.

Which browsers are supported?+

Chrome and other Chromium browsers via the Chrome Web Store, and Firefox 142 and newer via Firefox Add-ons.

Does it replace my other SEO extensions?+

For most workflows, yes. Vantage combines a classic SEO audit, headings map, schema generator, social previews, full-page screenshot editor, device simulator, color picker, user-agent switcher, and keyword density tools in one place, then adds GEO scoring that single-purpose tools do not offer.