Audit Standard 2026.4
A technical SEO audit standard you can inspect.
The MaxiMarket Audit Standard is the published rule set behind every audit. It defines technical readiness for search engines, AI crawlers, structured data consumers and social platforms: crawlability and indexability, canonical URLs, metadata, Schema.org JSON-LD, Product and Offer data, AI crawler access and Open Graph. Each rule states what it checks, why it matters, where its authority comes from and how much it counts.
- Version
- 2026.4Published 2026-10-01, frozen
- Rules
- 9474 scored, the rest reported only
- Observations
- 34Neutral facts, never scored
- Cited sources
- 76Each with a verification date
- Technical Score
- score = 100 × earned weight ÷ applicable weight
- Digest
- sha256:47f0aa4a0f3611ca…
Five views, one set of rules
What the standard covers.
A rule can matter to several readers. It appears in each relevant view, but it is checked, and counted, only once.
-
Crawlability, indexability, canonical URLs, robots directives, XML sitemaps and the metadata search engines read.
85 rules · 27 observations
Technical SEO audit
-
AI crawler access in robots.txt, AI search readiness and your AI training policy.
67 rules · 22 observations
AI readiness audit
-
Schema.org Product and Offer data: identifiers, price, currency, availability and reviews.
21 rules · 3 observations
Ecommerce SEO audit
-
Open Graph and Twitter card metadata that shapes how shared links look.
6 rules · 3 observations
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Structured data, JSON-LD, semantic HTML, language and encoding that machines parse.
49 rules · 8 observations
Structured data checker
Anatomy of a rule
Every rule is documented the same way.
- Checks
- The exact condition evaluated on the page.
- Expected state
- What a passing page looks like.
- Applies when
- When the rule is relevant; otherwise it is not applicable.
- Why it matters
- The effect on search engines, AI systems or other readers.
- How to fix
- The change that resolves the finding.
- Authority
- Requirement, open standard, platform advice or MaxiMarket advice.
- Sources
- The documentation it rests on, each with a verification date.
- Weight
- 1, 2 or 3 in the Technical Score, with the reason, or not scored.
Example from Audit Standard 2026.4
SEO-CANONICAL-001 Canonical URL is declared
Official platform recommendationRecommendedWeight 1
- Checks
- Whether the returned HTML declares a rel="canonical" link.
- Expected state
- The page declares a <link rel="canonical"> pointing to its preferred URL.
- Sources
- Google Search Central, IETF
Read the full SEO-CANONICAL-001 rule
Where the rules come from
Documented guidance, with visible authority.
MaxiMarket selects the documented requirements and recommendations that can be checked reliably from outside a website, records their authority and applies them consistently. A Google requirement, an open web standard and MaxiMarket’s own advice are never presented as the same thing.
Cited sources by ecosystem
| Ecosystem |
Publishers include |
Sources |
| Search engines |
Google Search Central, Bing |
44 |
| Web standards |
WHATWG, W3C, IETF, Sitemaps.org |
19 |
| Structured data |
Schema.org, ISO 4217 |
5 |
| Social platforms |
Open Graph protocol |
1 |
| AI platforms |
OpenAI, Anthropic, Perplexity, Apple, Meta |
7 |
Five authority levels
- Official search-engine requirement
- A search engine documents it as required for a specific outcome, such as Google eligibility.
- Strongest external authority
- Open standard / Schema.org
- Defined by an open standard or vocabulary: HTML, WCAG, IETF RFCs, Schema.org, Sitemaps, Open Graph.
- Official platform recommendation
- Recommended in official platform documentation, such as Google Search Central or an AI platform.
- Accepted best practice
- Widely accepted practice with a cited source, but no official requirement.
- MaxiMarket recommendation
- MaxiMarket’s own advice. Never presented as a search engine or platform requirement.
- MaxiMarket methodology
Why it is published and versioned
Why a standard
100 isn’t a marketing number.
Instead of a black-box SEO percentage, MaxiMarket publishes a transparent definition of technical readiness. A Technical Score of 100 means every applicable scored rule in this published standard passed: 100% Technical Readiness against version 2026.4, verifiable rule by rule. It is not a ranking promise.
Versioned and stable
A published version never changes.
Each report records the standard version it followed, and the digest above identifies this version’s exact content. Improving a rule means a new version, so results stay comparable and explainable over time.
Browse the rule explorerHow a MaxiMarket audit worksAudit a page against the standard