nhsinc.org
Comparing v4 vs v5
Mar 17, 2026 → Mar 22, 2026
53
/ 100
→
+457
/ 100
#
Criterion
v4
Status
v5
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
7/10
GOOD
6/10
MODERATE
-1
4
Clean, Crawlable HTML
9/10
STRONG
9/10
STRONG
0
5
Entity Authority & NAP Consistency
6/10
MODERATE
6/10
MODERATE
0
6
robots.txt for AI Crawlers
5/10
PARTIAL
5/10
PARTIAL
0
7
Comprehensive FAQ Section
5/10
PARTIAL
5/10
PARTIAL
0
8
Original Data & Expert Analysis
1/10
NEARLY EMPTY
1/10
NEARLY EMPTY
0
9
Internal Linking Structure
8/10
STRONG
8/10
STRONG
0
10
Semantic HTML5 & Accessibility
10/10
STRONG
10/10
STRONG
0
11
Content Freshness Signals
5/10
PARTIAL
5/10
PARTIAL
0
12
Sitemap Completeness
9/10
STRONG
9/10
STRONG
0
13
RSS/Atom Feed
10/10
STRONG
10/10
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
4/10
PARTIAL
4/10
PARTIAL
0
17
Content Licensing & AI Permissions
2/10
POOR
2/10
POOR
0
18
Author & Expert Schema
7/10
GOOD
7/10
GOOD
0
19
Fact & Data Density
7/10
GOOD
7/10
GOOD
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
10/10
STRONG
10/10
STRONG
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
5/10
PARTIAL
5/10
PARTIAL
0
26
Visible Date Signal
10/10
STRONG
9/10
STRONG
-1
27
Topic Coherence
5/10
PARTIAL
5/10
PARTIAL
0
28
Content Depth
9/10
STRONG
9/10
STRONG
0
29
Citation-Ready Writing Quality
3/10
WEAK
4/10
PARTIAL
+1
30
Helpful Purpose Alignment
--
N/A
5/10
PARTIAL
+5
31
Answer-First Placement
8/10
STRONG
8/10
STRONG
0
32
First-Hand Experience Signals
--
N/A
3/10
WEAK
+3
33
Evidence Packaging
3/10
WEAK
0/10
MISSING
-3
34
Creator Transparency
--
N/A
4/10
PARTIAL
+4
35
Entity Disambiguation
1/10
NEARLY EMPTY
6/10
MODERATE
+5
36
Methodology Transparency
--
N/A
2/10
POOR
+2
37
Extraction Friction Score
3/10
WEAK
3/10
WEAK
0
38
Image Context for AI
2/10
POOR
2/10
POOR
0
39
Duplicate Content Blocks
--
N/A
10/10
STRONG
+10
40
Cross-Page Duplicate Content
--
N/A
7/10
GOOD
+7
Opportunities
10
v4
10
v5
Added in v5
+ Add Definition-Style Content
+ Reduce Extraction Friction
+ Restructure Content as Q&A
+ Increase Publishing Frequency
Removed since v4
- Improve Citation-Ready Writing
- Create llms.txt File
- Strengthen Entity Authority (NAP)
- Add Content Freshness Signals
Findings Summary
Criterion
v4 Findings
v5 Findings
Delta
llms.txt File
2
2
0
Schema.org Structured Data
4
4
0
Q&A Content Format
3
4
+1
Clean, Crawlable HTML
5
5
0
Entity Authority & NAP Consistency
3
3
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
4
4
0
Content Freshness Signals
4
4
0
Sitemap Completeness
4
4
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
3
+1
Schema Coverage & Depth
5
5
0
Speakable Schema
2
2
0
Query-Answer Alignment
2
2
0
Content Cannibalization
3
3
0
Visible Date Signal
4
3
-1
Topic Coherence
4
4
0
Content Depth
3
3
0
Citation-Ready Writing Quality
4
4
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
--