centersweb.com
Comparing v18 vs v19
Mar 31, 2026 → Mar 31, 2026
24
/ 100
→
-123
/ 100
#
Criterion
v18
Status
v19
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
3/10
WEAK
3/10
WEAK
0
5
Entity Authority & NAP Consistency
1/10
NEARLY EMPTY
1/10
NEARLY EMPTY
0
6
robots.txt for AI Crawlers
3/10
WEAK
3/10
WEAK
0
7
Comprehensive FAQ Section
3/10
WEAK
3/10
WEAK
0
8
Original Data & Expert Analysis
1/10
NEARLY EMPTY
1/10
NEARLY EMPTY
0
9
Internal Linking Structure
0/10
MISSING
0/10
MISSING
0
10
Semantic HTML5 & Accessibility
0/10
MISSING
0/10
MISSING
0
11
Content Freshness Signals
0/10
MISSING
0/10
MISSING
0
12
Sitemap Completeness
2/10
POOR
2/10
POOR
0
13
RSS/Atom Feed
0/10
MISSING
0/10
MISSING
0
14
Table & List Extractability
0/10
MISSING
0/10
MISSING
0
15
Definition Patterns
0/10
MISSING
0/10
MISSING
0
16
Direct Answer Paragraphs
0/10
MISSING
0/10
MISSING
0
17
Content Licensing & AI Permissions
0/10
MISSING
0/10
MISSING
0
18
Author & Expert Schema
0/10
MISSING
0/10
MISSING
0
19
Fact & Data Density
7/10
GOOD
8/10
STRONG
+1
20
Canonical URL Strategy
0/10
MISSING
0/10
MISSING
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
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
4/10
PARTIAL
-1
28
Content Depth
0/10
MISSING
0/10
MISSING
0
29
Helpful Purpose Alignment
0/10
MISSING
0/10
MISSING
0
30
First-Hand Experience Signals
0/10
MISSING
0/10
MISSING
0
31
Creator Transparency
0/10
MISSING
0/10
MISSING
0
32
Methodology Transparency
0/10
MISSING
0/10
MISSING
0
33
Citation-Ready Writing Quality
0/10
MISSING
0/10
MISSING
0
34
Answer-First Placement
0/10
MISSING
0/10
MISSING
0
35
Evidence Packaging
0/10
MISSING
0/10
MISSING
0
36
Entity Disambiguation
0/10
MISSING
0/10
MISSING
0
37
Extraction Friction Score
2/10
POOR
2/10
POOR
0
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
0/10
MISSING
0/10
MISSING
0
42
Page Speed: Server Response
5/10
PARTIAL
5/10
PARTIAL
0
43
Page Speed: Load Blockers
10/10
STRONG
10/10
STRONG
0
44
Page Speed: Page Size
10/10
STRONG
10/10
STRONG
0
45
Answer Capsule Pattern
5/10
PARTIAL
5/10
PARTIAL
0
46
Entity Density
3/10
WEAK
3/10
WEAK
0
47
Owned Data Density
0/10
MISSING
0/10
MISSING
0
48
Sentence Atomicity
3/10
WEAK
3/10
WEAK
0
Opportunities
10
v18
10
v19
Same opportunities in both versions.
Findings Summary
Criterion
v18 Findings
v19 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
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
9
9
0
Content Freshness Signals
4
4
0
Sitemap Completeness
3
3
0
RSS/Atom Feed
2
2
0
Table & List Extractability
4
4
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
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
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
2
2
0
Answer-First Placement
3
3
0
Evidence Packaging
3
3
0
Entity Disambiguation
3
3
0
Extraction Friction Score
2
2
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
2
2
0
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