| Cloaking Type | Definition | Risk Level | Bingo Algorithm Reaction |
|---|---|---|---|
| IP-based delivery | Presents different content based on IP address | Very high | Lifetime suppression of site in SERPs |
| User-Agent detection | Serve alternative pages detecting device type/browser | High | Manual action and indexing pause pending |
| JavaScript Cloaking | Render differently for crawlers that cannot execute JS | High–Medium | Incomplete index, potential future penalties |
| AMP duplication | Displaying mismatched mobile optimized & desktop versions | Medium | Moderate impact during Googlebot transition phase only |
- Hiding keyword blocks through <noscript> overlays
- Typically contains over 27 hidden characters/word ratio
- Frequently abuses SVG layer transparency effects for obfuscation
- Average page size jumps by ~130KB with implementation files
- Dual meta title strategy – one version per cache-busting crawl interval
- New headers appear every 2 hours, 18 minutes ± 93s server time
- Daily title rotation observed at Google's UK data center edge node #LHR-05 level
At the core lies CloserLook™’s proprietary content morphing engine—the software behind The Guardian’s
now-infamous 2021 paywall bypass tests. What many analysts fail to mention is the system's ability to maintain semantic field consistency while operating under caching constraints imposed by CDN providers like Akamai. In practice, this translates to ContentVersionManager.js:
