Content Fluff Detector vs E-E-A-T Analyzer: content quality or trust signals?
Content Fluff Detector scans for filler phrases, AI-generated patterns, and passive voice. E-E-A-T Analyzer checks for author credentials, trust pages, and expertise signals. Together they cover both sides of Google's quality evaluation.
Content Fluff Detector
Detect filler phrases, AI-generated content patterns, and passive voice. Check December 2025 algorithm compliance.
E-E-A-T Analyzer
Analyze your page for Google E-E-A-T signals: Experience, Expertise, Authoritativeness, and Trustworthiness.
Feature comparison
| Feature | Content Fluff Detector | E-E-A-T Analyzer |
|---|---|---|
| Focus area | Content writing quality: filler phrases, AI patterns, passive voice, and fluff score | Trust and authority signals: author credentials, experience markers, and trust pages |
| AI content detection | Detects 60+ AI-generated patterns like 'delve', 'leverage', 'utilize', and hedging phrases | Checks for first-person experience signals that AI typically cannot produce |
| December 2025 update alignment | Directly targets the content patterns Google's December 2025 update penalized | Addresses the expanded E-E-A-T requirements the same update introduced |
| Number of checks | 6 analysis modules: filler phrases, AI patterns, passive voice, word count, readability, fluff score | 11 signal checks: author byline, credentials, dates, trust pages, schema, experience markers✓ |
| Scoring | Fluff score from 0-100 (lower is better) with per-sentence highlighting | Pass/fail for each of 11 E-E-A-T signals with overall compliance percentage |
| Actionable output | Highlights specific sentences to rewrite with before/after suggestions | Lists missing trust signals with specific implementation steps |
| Scope | Analyzes the content text itself for writing quality issues | Analyzes the full page including metadata, schema, and site-wide trust indicators✓ |
| Best for | Cleaning up AI-generated drafts and removing filler before publishing | Ensuring your page meets Google's trust and expertise requirements |
Our verdict
Use Content Fluff Detector to clean up your writing by removing AI-generated patterns, filler phrases, and passive voice. Use E-E-A-T Analyzer to verify your page has the trust signals Google requires, like author credentials and trust pages. For post-December 2025 content, running both tools catches quality issues on both the writing and authority sides.