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RNX code library · 97 controls

RNX-900On-Page Search and Experience Presentation

Read what these checks mean, why they matter and which evidence they concern. Each ID below keeps its canonical place in the RNX hierarchy.

These are free learning summaries, not full technical tests or an industry certification. Specialized checks apply only to the relevant feature. Experimental labels are preserved from the canonical source.

RNX-910 · Document Identity and Title Quality

9 controls. Check that a page has a nonempty title.

RNX-920 · Search Snippet Description

RNX-920.T001

Description availability

core readiness

Provide a useful page summary where your content plan calls for one.

Why it matters. This gives a possible preview without guaranteeing that a search engine will use it.

Illustration — fictional. A page meant to have a useful summary has none, or it publishes conflicting summaries.

When it applies. Inspected target: meta description. Use this check only when that object or feature exists in the review scope; provider-specific checks require that provider's integration. Missing evidence remains unknown.

Canonical parentage

RNX-900 · On-Page Search and Experience Presentation RNX-920 · Search Snippet Description

RNX-920.T002

Description accuracy

core readiness

Keep the summary faithful to the page.

Why it matters. A preview should not advertise missing content or a false price.

Illustration — fictional. Description promises free delivery that is charged.

When it applies. Inspected target: meta description. Use this check only when that object or feature exists in the review scope; provider-specific checks require that provider's integration. Missing evidence remains unknown.

Canonical parentage

RNX-900 · On-Page Search and Experience Presentation RNX-920 · Search Snippet Description

RNX-920.T003

Description differentiation

core readiness

Write summaries that reflect each page's distinct purpose.

Why it matters. Identical summaries make different destinations harder to choose between.

Illustration — fictional. Unrelated guides all repeat generic company boilerplate.

When it applies. Inspected target: description set. Use this check only when that object or feature exists in the review scope; provider-specific checks require that provider's integration. Missing evidence remains unknown.

Canonical parentage

RNX-900 · On-Page Search and Experience Presentation RNX-920 · Search Snippet Description

RNX-930 · Readable Text and Data Structures

6 controls. Group related sentences into readable paragraphs.

RNX-940 · Social Preview Presentation

RNX-940.T001

Open Graph identity

Experimental — not an established ranking requirement

Check that shared-link previews identify the correct page.

Why it matters. A wrong preview can misrepresent what someone is sharing.

Illustration — fictional. Preview advertises unrelated expired campaign.

When it applies. Inspected target: social preview. Use this check only when that object or feature exists in the review scope; provider-specific checks require that provider's integration. Missing evidence remains unknown.

Canonical parentage

RNX-900 · On-Page Search and Experience Presentation RNX-940 · Social Preview Presentation

RNX-940.T002

Social preview asset

Experimental — not an established ranking requirement

Use a reachable preview image that fits the content.

Why it matters. Broken or misleading artwork weakens the shared link's usefulness.

Illustration — fictional. Preview image belongs to another product.

When it applies. Inspected target: preview image. Use this check only when that object or feature exists in the review scope; provider-specific checks require that provider's integration. Missing evidence remains unknown.

Canonical parentage

RNX-900 · On-Page Search and Experience Presentation RNX-940 · Social Preview Presentation

RNX-950 · Accessible Conversion Interfaces

15 controls. Tell people what a button or action will do.

RNX-960 · Specialized Content and Search Feature Eligibility

35 controls. Keep structured data consistent with what readers can access.

RNX-970 · Local Profile Operations

18 controls. Identify whether the business serves visitors, travels to customers, does both or works online only.

RNX-980 · Field Experience Measurement

4 controls. For supported real-user data, check whether the main content loads within the stated LCP target: 2.5 seconds at the 75th percentile.

RNX-990 · Video Search Eligibility

5 controls. For a video watch page, make the intended video a main feature.

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