PAL FAQ Schema Audit

Validate Schema.org structured data for SEO. Parses JSON-LD, detects Microdata and RDFa, highlights schema types, and reports common issues like invalid JSON-LD, missing @type, non-schema.org @context, and missing key properties for popular schema types.

Schema.org JSON-LD Structured Data & Rich Results Validator

litezero/schema-markup-validator

Extract and validate JSON-LD structured data and Microdata against Schema.org standards. Detects Product, Organization, FAQPage, Article, and JobPosting schemas with missing field diagnostics.

Broken Link Checker - Find Dead 404 Links

logiover/broken-link-checker

Site-wide broken link checker: crawl any website, find 404 and dead links, export the link audit to CSV or JSON with source page and status code.

Hreflang Tag Checker API | SEO Validator

andok/hreflang-checker

Bulk validate website hreflang tags for international SEO. Audit multi-language sites for missing x-default tags, bidirectional errors, and ISO code compliance.

PAL | Image Alt Text Accessibility Audit

practical_ai_lab_jp/pal-image-alt-text-checker

Check alt text attributes on public HTML images and export missing/empty attribute findings for accessibility QA. Process up to 18 HTTPS URLs. Decorative images may legitimately use empty alt.

PAL | X Twitter Card Meta Tag Checker

practical_ai_lab_jp/my-actor-17

Make social page previews easier to QA: check published Twitter/X Card tags on public URLs, identify missing fields and export per-page evidence. This is a tag check, not a visual preview.

Free beta: compare permitted public product pages with supplied SKU, price, currency and availability. Static JSON-LD only; ambiguous evidence stays inconclusive.

Extract and analyze all JSON-LD schema markup from any URL for SEO competitive analysis

PAL | Product Image Metadata & Alt Audit

practical_ai_lab_jp/pal-product-image-schema-audit

Audit public ecommerce Product image JSON-LD, HTML alt attributes and Open Graph images. Review page-level metadata gaps and export an image QA checklist. Try a prefilled Example task with complete and incomplete samples. Static HTML only; no image quality ranking or browser rendering.

Extract FAQ questions, answers, JSON-LD FAQPage schema, and suggested SEO improvements from public pages.