1849.bio
Comparing v2 vs v3
Mar 10, 2026 → Mar 17, 2026
47
/ 100
→
-344
/ 100
#
Criterion
v2
Status
v3
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
5/10
PARTIAL
5/10
PARTIAL
0
4
Clean, Crawlable HTML
4/10
PARTIAL
4/10
PARTIAL
0
5
Entity Authority & NAP Consistency
3/10
WEAK
3/10
WEAK
0
6
robots.txt for AI Crawlers
6/10
MODERATE
6/10
MODERATE
0
7
Comprehensive FAQ Section
1/10
NEARLY EMPTY
1/10
NEARLY EMPTY
0
8
Original Data & Expert Analysis
3/10
WEAK
3/10
WEAK
0
9
Internal Linking Structure
2/10
POOR
2/10
POOR
0
10
Semantic HTML5 & Accessibility
5/10
PARTIAL
5/10
PARTIAL
0
11
Content Freshness Signals
2/10
POOR
2/10
POOR
0
12
Sitemap Completeness
9/10
STRONG
9/10
STRONG
0
13
RSS/Atom Feed
6/10
MODERATE
6/10
MODERATE
0
14
Table & List Extractability
3/10
WEAK
3/10
WEAK
0
15
Definition Patterns
5/10
PARTIAL
5/10
PARTIAL
0
16
Direct Answer Paragraphs
4/10
PARTIAL
4/10
PARTIAL
0
17
Content Licensing & AI Permissions
0/10
MISSING
0/10
MISSING
0
18
Author & Expert Schema
4/10
PARTIAL
4/10
PARTIAL
0
19
Fact & Data Density
10/10
STRONG
10/10
STRONG
0
20
Canonical URL Strategy
10/10
STRONG
10/10
STRONG
0
21
Content Publishing Velocity
2/10
POOR
2/10
POOR
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
7/10
GOOD
7/10
GOOD
0
25
Content Cannibalization
10/10
STRONG
10/10
STRONG
0
26
Visible Date Signal
0/10
MISSING
0/10
MISSING
0
27
Topic Coherence
10/10
STRONG
10/10
STRONG
0
28
Content Depth
3/10
WEAK
3/10
WEAK
0
29
Citation-Ready Writing Quality
--
N/A
3/10
WEAK
+3
30
Answer-First Placement
--
N/A
6/10
MODERATE
+6
31
Evidence Packaging
--
N/A
1/10
NEARLY EMPTY
+1
32
Entity Disambiguation
--
N/A
0/10
MISSING
0
33
Extraction Friction Score
--
N/A
0/10
MISSING
0
34
Image Context for AI
--
N/A
1/10
NEARLY EMPTY
+1
Opportunities
10
v2
10
v3
Added in v3
+ Improve Citation-Ready Writing
+ Package Evidence for AI
Removed since v2
- Restructure Content as Q&A
- Add Structured Tables & Lists
Findings Summary
Criterion
v2 Findings
v3 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
3
3
0
robots.txt for AI Crawlers
3
3
0
Comprehensive FAQ Section
4
4
0
Original Data & Expert Analysis
4
4
0
Internal Linking Structure
5
5
0
Semantic HTML5 & Accessibility
5
5
0
Content Freshness Signals
4
4
0
Sitemap Completeness
4
4
0
RSS/Atom Feed
2
2
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
3
3
0
Citation-Ready Writing Quality
--
4
--
Answer-First Placement
--
3
--
Evidence Packaging
--
3
--
Entity Disambiguation
--
3
--
Extraction Friction Score
--
4
--
Image Context for AI
--
3
--