B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
60%
60% -- breadcrumblist schema correct implementation rate for Mid-sized publishers (2026)
A 2026 audit of mid-sized publishers showed that BreadcrumbList schema was correctly implemented on only 60% of blog URLs.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
60%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
quillly.com
Primary
Tier C
https://quillly.com/blogs/blog-schema-markup-2026 ↗
Source Article
Blog Schema Markup 2026: Article, FAQ & AI Search
On May 7, 2026, Google quietly killed FAQ rich results. Ten days later, most SEO advice about blog schema markup still tells you to add FAQPage schema for the SERP boxes that no longer exist.
Wrong fix. The right one is to keep the FAQPage schema. Pages that use it earn 3.2x more citations in Google…
Original Research
quillly.com
· Original study ↗
Methodology
Third-party audit cited without detail
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Mid-sized publishers: 60% breadcrumblist schema correct implementation rate. Source: quillly.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/breadcrumblist-publisher-audit-60
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<blockquote cite="https://lighthousedata.io/data/breadcrumblist-publisher-audit-60" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>60%</strong> -- breadcrumblist schema correct implementation rate for Mid-sized publishers<br><small>Source: quillly.com (2026) · <a href="https://lighthousedata.io/data/breadcrumblist-publisher-audit-60" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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