Overview

JavaScript is Caribbean Netherlands' most common secondary barrier
| Value | |
|---|---|
| WAF | 94.2% |
| Antibot | 17.5% |
| CAPTCHA | 23.2% |
| JavaScript | 42.1% |
| Rate Limiting | 14% |
| TLS | 18.7% |
WAF covers 94.2% of Caribbean Netherlands sites. Antibot at 17.5% sits below the global average of 20.2%. JavaScript reaches 42.1%, CAPTCHA 23.2%, TLS 18.7%, and Rate Limiting 14.0%.
Barrier Landscape

JavaScript tops Caribbean Netherlands' active secondary defences
| Value | |
|---|---|
| WAF | 94.2% |
| Antibot | 17.5% |
| CAPTCHA | 23.2% |
| JavaScript | 42.1% |
| Rate Limiting | 14% |
| TLS | 18.7% |
| Has robots.txt | 81% |
| Blocks AI crawlers | 14.4% |
WAF leads at 94.2% across 686 domains. JavaScript reaches 42.1%, CAPTCHA 23.2%, TLS 18.7%, Rate Limiting 14.0%, and Antibot trails at 17.5% — below the global 20.2%.

Most Caribbean Netherlands sites carry a single barrier
| % of sites | |
|---|---|
| 0 barriers | 3.5% |
| 1 barrier | 32.5% |
| 2 barriers | 32.1% |
| 3 barriers | 20.4% |
| 4 barriers | 6.6% |
| 5 barriers | 4.2% |
| 6 barriers | 0.7% |
32.5% of Caribbean Netherlands sites carry one barrier and 32.1% carry two — nearly equal. Zero-barrier sites account for 3.5%. Sites with three or more barriers reach 31.5%.

Most Caribbean Netherlands sites are Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.6 |
Browser median tier is 1, meaning more than half of the 686 sites are reachable at plain HTTP. Mean is 1.64, with a tail of Tier 3–5 sites pulling it above 1.

Most Caribbean Netherlands sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 51.7% |
| 2 - Easy | 36.6% |
| 3 - Moderate | 8.6% |
| 4 - Complex | 1.9% |
| 5 - Advanced | 1.2% |
51.7% of sites sit at Tier 1 (Simple) and 36.6% at Tier 2 (Easy), totalling 88.3%. Tier 3 accounts for 8.6%, Tier 4 for 1.9%, and Tier 5 for 1.2%.
robots.txt

AI crawlers top Caribbean Netherlands' robots.txt bot categories
| % of sites | |
|---|---|
| AI crawlers | 15.9% |
| SEO / search indexing | 12.5% |
| SEO audit tools | 14.7% |
| Commercial scrapers | 7.6% |
| Social / content scrapers | 6.3% |
| Archive / research crawlers | 4.7% |
| Monitoring / uptime bots | 0.3% |
15.9% of all Caribbean Netherlands sites name an AI crawler and 14.7% name an SEO audit tool in a robots.txt rule. SEO/search indexing follows at 12.5%, commercial scrapers at 7.6%.

Uniform rules are Caribbean Netherlands' most common robots.txt posture
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 41.7% |
| Path-level mixed rules for same agent | 33.8% |
| Allow-only (no disallow rules) | 2% |
| Mixed AI posture (block some, allow others) | 2.9% |
| Blanket Disallow: / | 2.8% |
41.7% of all sites use uniform per-agent rules and 33.8% use path-level mixed rules. 2.8% carry a blanket Disallow: /, and 2.9% hold a mixed AI posture. 19.0% have no robots.txt.

GPTBot faces the most Disallow rules in Caribbean Netherlands' robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 12.2% | 1.6% |
| CCBot | 8.5% | 0.9% |
| ClaudeBot | 9.9% | 0.6% |
| Google-Extended | 9.8% | 0.9% |
| Bytespider | 7.4% | 0.4% |
| meta-externalagent | 4.1% | 0.6% |
| ChatGPT-User | 6.3% | 2.2% |
| PerplexityBot | 6.7% | 2% |
| Applebot-Extended | 5.2% | 0.3% |
| OAI-SearchBot | 3.8% | 2% |
| anthropic-ai | 5% | 0.4% |
GPTBot appears in Disallow rules on 12.2% of Caribbean Netherlands sites. ClaudeBot follows at 9.9%, Google-Extended at 9.8%, and CCBot at 8.5%. ChatGPT-User leads Allow rules at 2.2%.

Design, Oil & Gas, and Retail all name at least one bot
| % of sites | |
|---|---|
| Design | 100% |
| Oil & Gas | 100% |
| Retail | 100% |
| Adult | 90% |
| Beauty & Cosmetics | 90% |
| Entertainment | 90% |
| General | 90% |
| Healthcare | 90% |
| Mass Media | 90% |
| Newspapers | 90% |
| Online Services | 90% |
| Publishing | 90% |
| Wellness | 90% |
| Events | 85.7% |
| Gambling | 85.7% |
Every site in Design, Oil & Gas, and Retail names at least one bot in a Disallow rule. Adult, Beauty & Cosmetics, Entertainment, General, Healthcare, Mass Media, Newspapers, Online Services, Publishing, and Wellness each reach 90%.

Caribbean Netherlands' Photography sites lead in explicitly allowing crawlers
| % of sites | |
|---|---|
| Photography | 80% |
| Beauty & Cosmetics | 70% |
| Publishing | 70% |
| Real Estate | 70% |
| Airlines | 60% |
| Design | 60% |
| Food & Beverages | 60% |
| Non-Profit | 60% |
| Oil & Gas | 60% |
| Retail | 60% |
| Science | 60% |
| Software & Dev | 60% |
| Sporting Goods | 60% |
| Travel & Tourism | 60% |
| Wholesalers | 60% |
Photography reaches 80% for explicit bot Allow rules. Beauty & Cosmetics, Publishing, and Real Estate follow at 70%, with Airlines, Design, Food & Beverages, Non-Profit, Oil & Gas, Retail, Science, Software & Dev, Sporting Goods, Travel & Tourism, and Wholesalers each at 60%.
Industry Patterns

Hospitality is Caribbean Netherlands' most demanding sector for crawlers
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Hospitality | 90% | 20% | 10% | 60% | 30% | 30% | 60% | 10% | Tier 3 |
| Jewellery & Luxury | 90% | 20% | 10% | 20% | 40% | 50% | 70% | 20% | Tier 3 |
| Automotive | 100% | 40% | 20% | 50% | 40% | 40% | 60% | 20% | Tier 3 |
| Sporting Goods | 70% | 20% | 10% | 10% | 20% | 50% | 70% | 0% | Tier 2 |
| Maritime | 100% | 70% | 20% | 50% | 30% | 30% | 80% | 40% | Tier 2 |
| Apparel & Fashion | 90% | 10% | 20% | 70% | 20% | 20% | 80% | 10% | Tier 2 |
| Consumer Electronics | 100% | 30% | 20% | 30% | 40% | 40% | 80% | 10% | Tier 2 |
| Real Estate | 100% | 10% | 30% | 70% | 30% | 0% | 90% | 10% | Tier 2 |
| Transport & Logistics | 80% | 10% | 20% | 30% | 0% | 30% | 80% | 0% | Tier 2 |
| Retail | 100% | 10% | 0% | 50% | 20% | 20% | 100% | 40% | Tier 2 |
| Sports | 100% | 10% | 20% | 60% | 10% | 10% | 90% | 30% | Tier 2 |
| Mail & Delivery | 62.5% | 37.5% | 12.5% | 37.5% | 12.5% | 25% | 87.5% | 0% | Tier 2 |
| Adult | 100% | 50% | 30% | 80% | 20% | 20% | 90% | 10% | Tier 2 |
| Airlines | 70% | 10% | 10% | 30% | 30% | 20% | 90% | 20% | Tier 2 |
| Restaurants | 100% | 0% | 10% | 50% | 20% | 30% | 70% | 0% | Tier 2 |
Hospitality tops the difficulty list with a mean tier of 2.70 and a Tier 3 median. Jewellery & Luxury and Sporting Goods both reach a 2.60 mean. Automotive sits at 2.50 mean with Tier 3 median.

Computers & Electronics is Caribbean Netherlands' most accessible sector programmatically
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Travel & Tourism | 100% | 40% | 10% | 60% | 30% | 10% | 80% | 30% | Tier 2 |
| Food & Beverages | 100% | 0% | 20% | 50% | 0% | 20% | 90% | 20% | Tier 2 |
| Photography | 90% | 20% | 30% | 20% | 30% | 70% | 80% | 40% | Tier 2 |
| Healthcare | 100% | 30% | 20% | 20% | 10% | 0% | 100% | 30% | Tier 2 |
| Music | 100% | 30% | 20% | 70% | 30% | 0% | 80% | 20% | Tier 2 |
| Reference | 80% | 60% | 40% | 20% | 20% | 0% | 40% | 0% | Tier 2 |
| Computer Hardware | 100% | 12.5% | 12.5% | 50% | 12.5% | 25% | 75% | 12.5% | Tier 2 |
| Design | 100% | 30% | 40% | 50% | 30% | 30% | 100% | 30% | Tier 2 |
| Distance Learning | 100% | 40% | 70% | 40% | 20% | 10% | 70% | 30% | Tier 2 |
| Education | 100% | 20% | 20% | 30% | 10% | 10% | 70% | 10% | Tier 2 |
| Finance | 70% | 20% | 0% | 40% | 10% | 20% | 60% | 20% | Tier 2 |
| Non-Profit | 90% | 10% | 20% | 60% | 0% | 10% | 90% | 10% | Tier 2 |
| Telecom | 100% | 0% | 10% | 50% | 0% | 10% | 70% | 10% | Tier 2 |
| Wellness | 100% | 20% | 20% | 30% | 10% | 10% | 100% | 20% | Tier 2 |
| Computers & Electronics | 80% | 10% | 20% | 20% | 20% | 10% | 60% | 0% | Tier 2 |
Computers & Electronics posts the lowest mean tier at 1.60 — the floor for Caribbean Netherlands' bottom-15 sectors. Telecom, Wellness, Non-Profit, Finance, Education, Distance Learning, and Design all share 1.70.