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SKILL.md
npx skills add kostja94/marketing-skills --skill tab-accordion
When the user wants to add or optimize tab or accordion components for content organization. Also use when the user mentions "tab component," "accordion," "expandable content," "collapsible sections," "tabbed content," "FAQ accordion," "how-to tabs," "horizontal tabs," "vertical accordion," "content in tabs," "hidden content SEO," "details summary," or "disclosure widget." For FAQ content, use faq-page-generator. For HowTo step sections (schema, placement), use howto-section-generator.
npx skills add kostja94/marketing-skills --skill tab-accordion
Guides tab and accordion implementation for organizing content without excessive vertical space. Two layout patterns: vertical accordion (FAQ-style, stacked) and horizontal tabs (how-to style, side-by-side). Both improve UX by reducing scroll; SEO impact depends on implementation and content placement.
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
| Pattern | Layout | Best for | Example |
|---|---|---|---|
| Vertical accordion | Stacked; expand/collapse one at a time | FAQ, Q&A, long lists, objection handling | "How do I return?" → answer below |
| Horizontal tabs | Side-by-side labels; one panel visible | How-to steps, product specs, pricing tiers, comparisons | "Step 1 | Step 2 | Step 3" or short action labels (see howto-section-generator—labels should match H2 intent, not contradict a fixed “N steps” title) |
Mobile: Vertical accordion works well on small screens (natural scroll). Horizontal tabs can feel cramped—consider accordion, dropdown, or full-width tab bar that scrolls.
Google's position: Google indexes and ranks content inside tabs and accordions fully; hidden content receives full weight (confirmed since 2016 mobile-first indexing). Gary Illyes: "we index the content, its weight is fully considered for ranking."
Practical nuance: Some tests show always-visible content outperforms hidden content in rankings. Reserve tabs/accordions for secondary content; place primary, keyword-critical content in visible areas.
| Content type | Placement |
|---|---|
| Primary / ranking-focused | Visible above fold; not hidden |
| Secondary / supporting | Tabs, accordions acceptable |
| FAQ answers | Accordion OK; first item expanded by default; see faq-page-generator |
Content must be in the DOM on page load. Google does not simulate user clicks; it cannot "click" tabs to discover content.
| Implementation | Indexed? |
|---|---|
| All tab content in HTML at load | ✅ Yes |
| Content loaded via AJAX on tab click | ❌ No |
Recommendation: Server-render all tab content in the initial HTML; use CSS/JS only to show/hide. Prefer <details>/<summary> or equivalent server-rendered markup. See rendering-strategies for SSR, SSG, CSR and crawler visibility.
Technically: Yes—if all content is in the DOM at load, more tabs = more indexable content. Mobile-first indexing gives full weight to tabbed content in HTML.
Strategically: Not always. Signal dilution occurs when many tabs = many different topics on one page. Google may struggle to understand which query the page should rank for; topical authority and keyword focus get spread thin.
| Scenario | Use tabs? | Alternative |
|---|---|---|
| Same topic (How-to Step 1/2/3; product specs: dimensions, materials, shipping) | ✅ Yes | — |
| Different topics (Service A, Service B, Portfolio, Blog) | ❌ No | Separate URLs per topic; see content-strategy for pillar/cluster |
When many horizontal tabs work: All tabs semantically related to one query (e.g., one how-to, one product). When to use separate pages: Each tab is a distinct topic deserving its own URL, crawl, and ranking opportunity.
Use <details> and <summary>—no JavaScript required; accessible; crawlable.
open attribute so it's expanded by default<summary>: Must be first child of <details>; acts as toggleIf using JS-only tabs: ensure all tab content is in the DOM at page load, not loaded via AJAX on click. Google does not simulate tab clicks. Prefer <details>/<summary> or server-rendered HTML. See rendering-strategies.
display: none or visibility: hidden for primary content—Google may treat differently| Practice | Purpose |
|---|---|
| First item expanded | Ensures primary content visible on load; better for SEO and UX |
| Descriptive headers | <summary> / tab labels should clearly describe content; include keywords naturally |
| Logical structure | H2/H3 for sections; supports snippet extraction; see featured-snippet |
| Answer-first | For FAQ: 40–60 words direct answer; then detail; see faq-page-generator |
| Use case | Format | Layout | Notes |
|---|---|---|---|
| FAQ | Accordion | Vertical | FAQPage schema; first Q expanded; see faq-page-generator |
| How-to steps | Tabs | Horizontal | Numbered “Step n” or descriptive tab titles; sequential flow; same step count as section H2 if the H2 uses a number (howto-section-generator) |
| Product specs | Tabs | Horizontal | Dimensions, materials, shipping—secondary to hero |
| Long guides | Accordion | Vertical | Collapsible sections; see toc-generator |
| Pricing tiers | Tabs | Horizontal | Compare plans; primary CTA visible |
| Objection handling | Accordion | Vertical | "What about X?"—supporting conversion |
<details>/<summary> natively keyboard-accessible<details>/<summary> or equivalent server-rendered HTML