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RNX code library · 9 controls

RNX-910Document Identity and Title Quality

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.T001

Title existence

core readiness

Check that a page has a nonempty title.

Why it matters. Whether that title describes the page correctly is a separate check.

Illustration — fictional. A page has no title, or it contains two conflicting titles.

When it applies. Inspected target: html head. 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-910 · Document Identity and Title Quality

RNX-910.T002

Character decoding

core readiness

Make text characters display correctly, including accented names.

Why it matters. Broken character handling can change a business's identity.

Illustration — fictional. An accented business name turns into unreadable symbols because the character settings disagree.

When it applies. Inspected target: html encoding. 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-910 · Document Identity and Title Quality

RNX-910.T003

Language declaration

core readiness

Declare the page's actual language.

Why it matters. Browsers and reading tools need the right language to handle the text.

Illustration — fictional. A French page declares its language as English.

When it applies. Inspected target: document language. 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-910 · Document Identity and Title Quality

RNX-910.T004

Viewport usability

core readiness

Let the layout adapt to a phone and allow zooming.

Why it matters. People should not need perfect vision or a large screen to read it.

Illustration — fictional. A fixed-width page forces phone users to move sideways to read every line.

When it applies. Inspected target: viewport. 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-910 · Document Identity and Title Quality

RNX-910.T005

Title subject accuracy

core readiness

Make the title describe the page's real subject.

Why it matters. Old prices or false promises can attract the wrong expectation.

Illustration — fictional. Free repair in title when no free service exists.

When it applies. Inspected target: title. 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-910 · Document Identity and Title Quality

RNX-910.T006

Title differentiation

core readiness

Give pages with different purposes distinguishable titles.

Why it matters. This helps people recognize which result or browser tab they need.

Illustration — fictional. Five different service pages use only the brand name.

When it applies. Inspected target: title 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-910 · Document Identity and Title Quality

RNX-910.T007

Title readability

core readiness

Write a title a person can understand.

Why it matters. A string of repeated search phrases is harder to read than a clear name.

Illustration — fictional. A title repeats the word software several times instead of naming the product clearly.

When it applies. Inspected target: title. 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-910 · Document Identity and Title Quality

RNX-910.T101

Language-change identification

core readiness

Identify meaningful language changes within a page where the accessibility rule applies.

Why it matters. Reading tools need to pronounce a foreign-language passage correctly.

Illustration — fictional. A long French passage is treated as English by reading tools because its language change is not identified.

When it applies. Inspected target: language span. 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-910 · Document Identity and Title Quality

RNX-910.T102

Title-language alignment

core readiness

Use a title in the language appropriate to the page.

Why it matters. A leftover title from another language can confuse the intended reader.

Illustration — fictional. French service copy retains unrelated English-template title.

When it applies. Inspected target: title. 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-910 · Document Identity and Title Quality

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