alertems.com
Comparing v17 vs v18
Mar 31, 2026 → Mar 31, 2026
52
/ 100
→
+254
/ 100
#
Criterion
v17
Status
v18
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
5/10
PARTIAL
6/10
MODERATE
+1
4
Clean, Crawlable HTML
5/10
PARTIAL
5/10
PARTIAL
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
0/10
MISSING
4/10
PARTIAL
+4
8
Original Data & Expert Analysis
3/10
WEAK
3/10
WEAK
0
9
Internal Linking Structure
9/10
STRONG
9/10
STRONG
0
10
Semantic HTML5 & Accessibility
4/10
PARTIAL
4/10
PARTIAL
0
11
Content Freshness Signals
7/10
GOOD
7/10
GOOD
0
12
Sitemap Completeness
9/10
STRONG
9/10
STRONG
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
5/10
PARTIAL
5/10
PARTIAL
0
16
Direct Answer Paragraphs
10/10
STRONG
10/10
STRONG
0
17
Content Licensing & AI Permissions
2/10
POOR
2/10
POOR
0
18
Author & Expert Schema
9/10
STRONG
9/10
STRONG
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
3/10
WEAK
3/10
WEAK
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
0/10
MISSING
4/10
PARTIAL
+4
25
Content Cannibalization
10/10
STRONG
10/10
STRONG
0
26
Visible Date Signal
3/10
WEAK
3/10
WEAK
0
27
Topic Coherence
10/10
STRONG
10/10
STRONG
0
28
Content Depth
6/10
MODERATE
6/10
MODERATE
0
29
Helpful Purpose Alignment
4/10
PARTIAL
4/10
PARTIAL
0
30
First-Hand Experience Signals
2/10
POOR
2/10
POOR
0
31
Creator Transparency
3/10
WEAK
3/10
WEAK
0
32
Methodology Transparency
2/10
POOR
2/10
POOR
0
33
Citation-Ready Writing Quality
3/10
WEAK
3/10
WEAK
0
34
Answer-First Placement
5/10
PARTIAL
5/10
PARTIAL
0
35
Evidence Packaging
3/10
WEAK
3/10
WEAK
0
36
Entity Disambiguation
4/10
PARTIAL
4/10
PARTIAL
0
37
Extraction Friction Score
3/10
WEAK
4/10
PARTIAL
+1
38
Image Context for AI
0/10
MISSING
0/10
MISSING
0
39
Duplicate Content Blocks
10/10
STRONG
10/10
STRONG
0
40
Cross-Page Duplicate Content
10/10
STRONG
10/10
STRONG
0
41
Internationalization Signals
3/10
WEAK
3/10
WEAK
0
42
Page Speed: Server Response
5/10
PARTIAL
6/10
MODERATE
+1
43
Page Speed: Load Blockers
5/10
PARTIAL
5/10
PARTIAL
0
44
Page Speed: Page Size
7/10
GOOD
7/10
GOOD
0
45
Answer Capsule Pattern
0/10
MISSING
2/10
POOR
+2
46
Entity Density
10/10
STRONG
10/10
STRONG
0
47
Owned Data Density
0/10
MISSING
0/10
MISSING
0
48
Sentence Atomicity
8/10
STRONG
8/10
STRONG
0
Opportunities
10
v17
10
v18
Added in v18
+ Add First-Hand Experience Signals
Removed since v17
- Restructure Content as Q&A
Findings Summary
Criterion
v17 Findings
v18 Findings
Delta
llms.txt File
2
2
0
Schema.org Structured Data
5
6
+1
Q&A Content Format
4
4
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
4
4
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
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
3
3
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
3
3
0
Topic Coherence
3
3
0
Content Depth
2
2
0
Helpful Purpose Alignment
2
2
0
First-Hand Experience Signals
2
2
0
Creator Transparency
2
2
0
Methodology Transparency
2
2
0
Citation-Ready Writing Quality
4
4
0
Answer-First Placement
3
3
0
Evidence Packaging
3
3
0
Entity Disambiguation
3
3
0
Extraction Friction Score
3
3
0
Image Context for AI
3
3
0
Duplicate Content Blocks
2
2
0
Cross-Page Duplicate Content
2
2
0
Internationalization Signals
2
2
0
Page Speed: Server Response
3
2
-1
Page Speed: Load Blockers
2
2
0
Page Speed: Page Size
2
2
0
Answer Capsule Pattern
2
2
0
Entity Density
2
2
0
Owned Data Density
2
2
0
Sentence Atomicity
2
2
0