arcascience.org
Comparing v2 vs v3
Mar 10, 2026 → Mar 17, 2026
62
/ 100
→
-458
/ 100
#
Criterion
v2
Status
v3
Status
Delta
1
llms.txt File
0/10
MISSING
0/10
MISSING
0
2
Schema.org Structured Data
10/10
STRONG
10/10
STRONG
0
3
Q&A Content Format
6/10
MODERATE
6/10
MODERATE
0
4
Clean, Crawlable HTML
3/10
WEAK
3/10
WEAK
0
5
Entity Authority & NAP Consistency
6/10
MODERATE
6/10
MODERATE
0
6
robots.txt for AI Crawlers
3/10
WEAK
3/10
WEAK
0
7
Comprehensive FAQ Section
9/10
STRONG
9/10
STRONG
0
8
Original Data & Expert Analysis
6/10
MODERATE
6/10
MODERATE
0
9
Internal Linking Structure
8/10
STRONG
8/10
STRONG
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
0/10
MISSING
0/10
MISSING
0
14
Table & List Extractability
3/10
WEAK
3/10
WEAK
0
15
Definition Patterns
7/10
GOOD
7/10
GOOD
0
16
Direct Answer Paragraphs
4/10
PARTIAL
4/10
PARTIAL
0
17
Content Licensing & AI Permissions
2/10
POOR
2/10
POOR
0
18
Author & Expert Schema
10/10
STRONG
10/10
STRONG
0
19
Fact & Data Density
10/10
STRONG
10/10
STRONG
0
20
Canonical URL Strategy
0/10
MISSING
0/10
MISSING
0
21
Content Publishing Velocity
0/10
MISSING
0/10
MISSING
0
22
Schema Coverage & Depth
10/10
STRONG
10/10
STRONG
0
23
Speakable Schema
0/10
MISSING
0/10
MISSING
0
24
Query-Answer Alignment
4/10
PARTIAL
4/10
PARTIAL
0
25
Content Cannibalization
10/10
STRONG
10/10
STRONG
0
26
Visible Date Signal
7/10
GOOD
7/10
GOOD
0
27
Topic Coherence
8/10
STRONG
8/10
STRONG
0
28
Content Depth
9/10
STRONG
9/10
STRONG
0
29
Citation-Ready Writing Quality
--
N/A
3/10
WEAK
+3
30
Answer-First Placement
--
N/A
3/10
WEAK
+3
31
Evidence Packaging
--
N/A
4/10
PARTIAL
+4
32
Entity Disambiguation
--
N/A
3/10
WEAK
+3
33
Extraction Friction Score
--
N/A
4/10
PARTIAL
+4
34
Image Context for AI
--
N/A
1/10
NEARLY EMPTY
+1
Opportunities
10
v2
10
v3
Added in v3
+ Improve Question-Answer Alignment
+ Improve Citation-Ready Writing
+ Add Answer-First Placement
Removed since v2
- Improve Query-Answer Alignment
- Increase Publishing Frequency
- Add Content Licensing & ai.txt
Findings Summary
Criterion
v2 Findings
v3 Findings
Delta
llms.txt File
2
2
0
Schema.org Structured Data
6
6
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
2
2
0
Comprehensive FAQ Section
5
5
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
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
2
2
0
Content Publishing Velocity
2
2
0
Schema Coverage & Depth
5
5
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
3
3
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
--