{"domain":"highsilicafiber.com","url":"https://www.markosweb.com/www/highsilicafiber.com/","checked_at":"2026-07-31","title":"High Silica Fiber Products | Marshall Packings & Insulations","agentic_readiness":{"passed":8,"assessed":30,"percent":53},"checks":[{"group":"Agent interaction","id":"semantic_html","check":"Semantic HTML5 & Accessibility","status":"partial","detail":"Only 34% of images have alt text"},{"group":"Agent interaction","id":"clean_html","check":"Clean, Crawlable HTML","status":"partial","detail":"Limited semantic HTML5 usage"},{"group":"Agent interaction","id":"extraction_friction","check":"Extraction Friction Score","status":"partial","detail":"High jargon density in opening content"},{"group":"Agent interaction","id":"indexability","check":"Indexability & Snippet Eligibility","status":"pass","detail":"Pages are indexable and snippet-eligible - the precondition for Google AI features is met"},{"group":"Agent interaction","id":"layout_stability","check":"Layout Stability & Responsiveness","status":"partial","detail":"71/71 images lack explicit width/height - the most common cause of layout shift (CLS)"},{"group":"Agent interaction","id":"canonical_url","check":"Canonical URL Strategy","status":"pass","detail":"Single canonical tag present (no duplicates)"},{"group":"Agent interaction","id":"document_weight","check":"Page Speed: Page Size","status":"pass","detail":"Lightweight document structure"},{"group":"Agent interaction","id":"critical_path_efficiency","check":"Page Speed: Load Blockers","status":"partial","detail":"8 blocking stylesheets in "},{"group":"Machine extraction","id":"table_list_extractability","check":"Table & List Extractability","status":"fail","detail":"No HTML tables found across homepage"},{"group":"Machine extraction","id":"sentence_atomicity","check":"Sentence Atomicity","status":"partial","detail":"Average 31% atomic sentences across 1 pages (target 40%+)"},{"group":"Machine extraction","id":"entity_density","check":"Entity Density","status":"pass","detail":"Average entity density 47.9% across 1 pages (target >15%)"},{"group":"Machine extraction","id":"definition_patterns","check":"Definition Patterns","status":"partial","detail":"No definition patterns in the first 2000 characters of content"},{"group":"Machine extraction","id":"answer_capsule_pattern","check":"Answer Capsule Pattern","status":"partial","detail":"3/9 H2 sections have 15-30 word self-contained capsules (33%)"},{"group":"Structured data","id":"schema_markup","check":"Schema.org Structured Data","status":"pass","detail":"Advisory (not scored): local-business/product schema detected - Google AI responses also draw on Google Business Profiles and Merchant Center feeds, which are managed outside the website"},{"group":"Structured data","id":"schema_coverage","check":"Schema Coverage & Depth","status":"pass","detail":"7 distinct schema types used: organization, article, webpage, breadcrumblist, product, person, review"},{"group":"Structured data","id":"speakable_schema","check":"Speakable Schema","status":"fail","detail":"No SpeakableSpecification schema found across homepage"},{"group":"AI discovery","id":"llms_txt","check":"llms.txt File","status":"fail","detail":"No llms.txt file found at https://highsilicafiber.com/llms.txt (connection failed)"},{"group":"AI discovery","id":"robots_txt","check":"robots.txt for AI Crawlers","status":"fail","detail":"No robots.txt file found"},{"group":"AI discovery","id":"sitemap_completeness","check":"Sitemap Completeness","status":"pass","detail":"98 URLs have lastmod dates"},{"group":"AI discovery","id":"rss_feed","check":"RSS/Atom Feed","status":"fail","detail":"Homepage does not link to an RSS/Atom feed in "},{"group":"AI discovery","id":"internationalization_signals","check":"Internationalization Signals","status":"fail","detail":"No hreflang alternate links found"},{"group":"AI discovery","id":"content_licensing","check":"Content Licensing & AI Permissions","status":"fail","detail":"No ai.txt file found"},{"group":"Trust & transparency","id":"entity_consistency","check":"Entity Authority & E-E-A-T","status":"partial","detail":"Multiple phone numbers found (3)"},{"group":"Trust & transparency","id":"creator_transparency","check":"Creator Transparency","status":"fail","detail":"Creator visibility is weak on content-like pages"},{"group":"Trust & transparency","id":"methodology_transparency","check":"Methodology Transparency","status":"partial","detail":"Little content-production or review transparency is visible"},{"group":"Trust & transparency","id":"ai_disclosure","check":"AI Assistance Disclosure","status":"partial","detail":"No AI-assistance disclosure found on sampled pages (neutral - the engine cannot tell whether AI was used)"},{"group":"Trust & transparency","id":"visible_date_signal","check":"Visible Date Signal","status":"fail","detail":"Only machine-readable date signals were found; users still do not see a visible published or updated date"},{"group":"Trust & transparency","id":"title_meta_quality","check":"Title & Meta Quality","status":"pass","detail":"Titles are present, unique, and well-sized, and pages carry meta descriptions"},{"group":"Trust & transparency","id":"content_freshness","check":"Content Freshness Signals","status":"partial","detail":"No