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RNX code library · 6 controls
RNX-512Payload De-Bloating
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-512.T001
Cache freshness correctness
Experimental — not an established ranking requirement
Check that saved copies show updates within your stated freshness policy.
Why it matters. Old prices or hours can survive after the original page changes.
Illustration — fictional. A delivery service keeps showing an old price after the site's promised update window has passed.
When it applies. Inspected target: cached representation. 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-500 · Performance & Efficiency Standard RNX-512 · Payload De-Bloating
RNX-512.T002
Image layout reservation
core readiness
Reserve space for images while they load.
Why it matters. This helps keep nearby text and controls from jumping.
Illustration — fictional. An image loads late and pushes the Buy button away just as a customer tries to tap it.
When it applies. Inspected target: image container. 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-500 · Performance & Efficiency Standard RNX-512 · Payload De-Bloating
RNX-512.T003
Responsive resource selection
core readiness
Supply suitable working images for different screens.
Why it matters. A phone should not need an oversized file or receive a broken substitute.
Illustration — fictional. Mobile downloads oversized desktop image without need.
When it applies. Inspected target: image selection. 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-500 · Performance & Efficiency Standard RNX-512 · Payload De-Bloating
RNX-512.T004
Third-party execution cost
core readiness
Measure and justify the cost of outside scripts.
Why it matters. Extra widgets can slow pages even when your own content is small.
Illustration — fictional. A report blames an outside widget for slow loading without measuring what it actually did.
When it applies. Inspected target: script profile. 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-500 · Performance & Efficiency Standard RNX-512 · Payload De-Bloating
RNX-512.T005
Consent interaction usability
core readiness
Make consent controls usable with a keyboard.
Why it matters. A privacy choice should not trap someone on an overlay.
Illustration — fictional. The Accept choice works from the keyboard, but the Reject choice cannot be reached.
When it applies. Inspected target: consent task. 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-500 · Performance & Efficiency Standard RNX-512 · Payload De-Bloating
RNX-512.T006
Unused payload removal verification
core readiness
When removing unused data, confirm that useful content and interactions still work.
Why it matters. A smaller page is not better if it loses essential functions.
Illustration — fictional. Checkout breaks after indiscriminate script removal.
When it applies. Inspected target: dependency change. 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-500 · Performance & Efficiency Standard RNX-512 · Payload De-Bloating