bcdilabs.com
Comparing v3 vs v4
Mar 17, 2026 → Mar 22, 2026
32
/ 100
→
+739
/ 100
#
Criterion
v3
Status
v4
Status
Delta
1
llms.txt File
0/10
MISSING
0/10
MISSING
0
2
Schema.org Structured Data
0/10
MISSING
0/10
MISSING
0
3
Q&A Content Format
0/10
MISSING
0/10
MISSING
0
4
Clean, Crawlable HTML
4/10
PARTIAL
4/10
PARTIAL
0
5
Entity Authority & NAP Consistency
5/10
PARTIAL
5/10
PARTIAL
0
6
robots.txt for AI Crawlers
2/10
POOR
2/10
POOR
0
7
Comprehensive FAQ Section
0/10
MISSING
0/10
MISSING
0
8
Original Data & Expert Analysis
3/10
WEAK
3/10
WEAK
0
9
Internal Linking Structure
7/10
GOOD
7/10
GOOD
0
10
Semantic HTML5 & Accessibility
6/10
MODERATE
6/10
MODERATE
0
11
Content Freshness Signals
2/10
POOR
2/10
POOR
0
12
Sitemap Completeness
0/10
MISSING
0/10
MISSING
0
13
RSS/Atom Feed
8/10
STRONG
8/10
STRONG
0
14
Table & List Extractability
3/10
WEAK
3/10
WEAK
0
15
Definition Patterns
0/10
MISSING
0/10
MISSING
0
16
Direct Answer Paragraphs
3/10
WEAK
3/10
WEAK
0
17
Content Licensing & AI Permissions
0/10
MISSING
0/10
MISSING
0
18
Author & Expert Schema
2/10
POOR
2/10
POOR
0
19
Fact & Data Density
10/10
STRONG
10/10
STRONG
0
20
Canonical URL Strategy
5/10
PARTIAL
5/10
PARTIAL
0
21
Content Publishing Velocity
0/10
MISSING
0/10
MISSING
0
22
Schema Coverage & Depth
0/10
MISSING
0/10
MISSING
0
23
Speakable Schema
0/10
MISSING
0/10
MISSING
0
24
Query-Answer Alignment
5/10
PARTIAL
5/10
PARTIAL
0
25
Content Cannibalization
5/10
PARTIAL
5/10
PARTIAL
0
26
Visible Date Signal
0/10
MISSING
0/10
MISSING
0
27
Topic Coherence
5/10
PARTIAL
5/10
PARTIAL
0
28
Content Depth
3/10
WEAK
3/10
WEAK
0
29
Citation-Ready Writing Quality
5/10
PARTIAL
5/10
PARTIAL
0
30
Helpful Purpose Alignment
--
N/A
7/10
GOOD
+7
31
Answer-First Placement
3/10
WEAK
7/10
GOOD
+4
32
First-Hand Experience Signals
--
N/A
5/10
PARTIAL
+5
33
Evidence Packaging
0/10
MISSING
0/10
MISSING
0
34
Creator Transparency
--
N/A
3/10
WEAK
+3
35
Entity Disambiguation
0/10
MISSING
0/10
MISSING
0
36
Methodology Transparency
--
N/A
4/10
PARTIAL
+4
37
Extraction Friction Score
1/10
NEARLY EMPTY
1/10
NEARLY EMPTY
0
38
Image Context for AI
1/10
NEARLY EMPTY
1/10
NEARLY EMPTY
0
39
Duplicate Content Blocks
--
N/A
10/10
STRONG
+10
40
Cross-Page Duplicate Content
--
N/A
5/10
PARTIAL
+5
Opportunities
10
v3
10
v4
Added in v4
+ Add Structured Tables & Lists
+ Add Entity Disambiguation
+ Reduce Extraction Friction
Removed since v3
- Add Content Freshness Signals
- Add Schema.org Structured Data
- Strengthen Entity Authority (NAP)
Findings Summary
Criterion
v3 Findings
v4 Findings
Delta
llms.txt File
2
2
0
Schema.org Structured Data
2
2
0
Q&A Content Format
3
3
0
Clean, Crawlable HTML
5
5
0
Entity Authority & NAP Consistency
4
4
0
robots.txt for AI Crawlers
2
2
0
Comprehensive FAQ Section
3
3
0
Original Data & Expert Analysis
4
4
0
Internal Linking Structure
5
5
0
Semantic HTML5 & Accessibility
6
6
0
Content Freshness Signals
4
4
0
Sitemap Completeness
2
2
0
RSS/Atom Feed
3
3
0
Table & List Extractability
5
5
0
Definition Patterns
4
4
0
Direct Answer Paragraphs
3
3
0
Content Licensing & AI Permissions
4
4
0
Author & Expert Schema
5
5
0
Fact & Data Density
4
4
0
Canonical URL Strategy
4
4
0
Content Publishing Velocity
2
2
0
Schema Coverage & Depth
2
2
0
Speakable Schema
2
2
0
Query-Answer Alignment
2
2
0
Content Cannibalization
2
2
0
Visible Date Signal
2
2
0
Topic Coherence
2
2
0
Content Depth
2
2
0
Citation-Ready Writing Quality
3
3
0
Helpful Purpose Alignment
--
2
--
Answer-First Placement
3
3
0
First-Hand Experience Signals
--
2
--
Evidence Packaging
3
3
0
Creator Transparency
--
2
--
Entity Disambiguation
3
3
0
Methodology Transparency
--
2
--
Extraction Friction Score
3
3
0
Image Context for AI
3
3
0
Duplicate Content Blocks
--
2
--
Cross-Page Duplicate Content
--
2
--