Schema Markup Implementation Checklist for SEO

Overview

Schema markup helps search engines understand your content and can unlock rich results in SERPs. This checklist covers schema implementation for every common page type, validation procedures, and common mistakes to avoid.

Schema Type Selection Guide

Page Type	Required Schema	Optional Schema	Rich Result Eligible
Homepage	Organization, WebSite	SiteNavigationElement	Sitelinks searchbox
Blog post	Article, BreadcrumbList	Person (author), FAQ	Article rich result
Product page	Product, BreadcrumbList	AggregateRating, Offer	Product rich result
FAQ page	FAQPage	BreadcrumbList	FAQ rich result
How-to guide	HowTo	Article, BreadcrumbList	How-to rich result
Local business	LocalBusiness	GeoCoordinates, OpeningHours	Local panel
Event	Event	Offer, Place	Event rich result
Recipe	Recipe	AggregateRating, NutritionInformation	Recipe rich result
Video	VideoObject	BreadcrumbList	Video rich result
Job posting	JobPosting	Organization	Job listing
Course	Course	Organization	Course rich result
Review	Review	Rating	Review snippet

Implementation Checklist by Schema Type

Organization Schema

• @type is “Organization”
• name matches your official business name
• url points to your homepage
• logo points to a valid image URL (min 112×112px)
• sameAs includes all official social media profiles
• contactPoint includes phone and/or email (if applicable)
• Placed on homepage (at minimum)

Article Schema

• @type is “Article” or “BlogPosting”
• headline matches the page title (max 110 characters)
• datePublished is in ISO 8601 format
• dateModified is present and accurate
• author is a Person or Organization with name and url
• image points to a valid image (min 1200px wide)
• publisher is an Organization with name and logo
• Present on every blog post and article page

Product Schema

• @type is “Product”
• name matches the product name
• description is present
• image shows the actual product
• offers includes price, priceCurrency, and availability
• aggregateRating is present if reviews exist
• brand is specified
• sku or gtin is included for physical products

BreadcrumbList Schema

• @type is “BreadcrumbList”
• Each item has position, name, and item (URL)
• Positions are sequential starting at 1
• Hierarchy matches actual site structure
• Present on all pages except homepage

FAQ Schema

• @type is “FAQPage”
• Each question uses Question type with name and acceptedAnswer
• Answers use Answer type with text
• Questions are visible on the page (not hidden)
• Minimum 2 questions, maximum practical limit

Validation Checklist

For every schema implementation, run these checks:

Check	Tool	Pass/Fail
No JSON-LD syntax errors	Google Rich Results Test
All required properties present	Google Rich Results Test
No warnings	Schema.org Validator
Rich result preview looks correct	Google Rich Results Test
Schema matches visible page content	Manual review
No duplicate schema types on page	View source / Auditite
Loads correctly with JavaScript rendering	Fetch as Google / Auditite

Common Schema Mistakes

Mistake	Impact	Fix
Schema content doesn’t match visible content	Penalty risk	Ensure schema reflects what users see
Duplicate Organization schema (theme + plugin)	Confusing signals	Remove one source
Missing required properties	No rich result	Add all required fields per type
Invalid date format	Parsing failure	Use ISO 8601: YYYY-MM-DDTHH:MM:SS+00:00
Logo too small	No logo in results	Minimum 112×112px, recommended 1200px wide
Self-referencing review schema	Violates guidelines	Only use Review for third-party reviews
Marking hidden content with FAQ schema	Spam action risk	FAQ content must be visible on page

Implementation Format Comparison

Format	Recommendation	Notes
JSON-LD	Recommended	Google’s preferred format, easy to manage
Microdata	Acceptable	Inline HTML, harder to maintain
RDFa	Acceptable	Less common, more complex syntax

Deployment Process

1. Identify all page types on your site
2. Select appropriate schema types using the guide above
3. Implement JSON-LD in page templates
4. Validate each template with Google Rich Results Test
5. Deploy to staging and verify with Auditite
6. Deploy to production
7. Monitor rich result appearances in Search Console
8. Check for new schema errors weekly in Auditite

Auditite’s schema validation feature automatically detects missing, invalid, and incomplete structured data across your entire site during every audit.