Overview

JavaScript is Antigua's most common secondary barrier
| Value | |
|---|---|
| WAF | 94.1% |
| Antibot | 20.2% |
| CAPTCHA | 24.2% |
| JavaScript | 42.8% |
| Rate Limiting | 14.7% |
| TLS | 19.6% |
WAF covers 94.1% of Antigua and Barbuda sites. JavaScript (42.8%) is the most common secondary barrier, followed by CAPTCHA (24.2%), antibot (20.2%), TLS (19.6%), and rate limiting (14.7%).
Barrier Landscape

JavaScript tops Antigua's active secondary defences
| Value | |
|---|---|
| WAF | 94.1% |
| Antibot | 20.2% |
| CAPTCHA | 24.2% |
| JavaScript | 42.8% |
| Rate Limiting | 14.7% |
| TLS | 19.6% |
| Has robots.txt | 81.3% |
| Blocks AI crawlers | 15.4% |
WAF reaches 94.1% of sites. Among the five secondary barriers, JavaScript (42.8%) has the highest adoption, followed by CAPTCHA (24.2%), antibot (20.2%), TLS (19.6%), and rate limiting (14.7%).

Most Antigua sites carry at least two barriers
| % of sites | |
|---|---|
| 0 barriers | 3.1% |
| 1 barrier | 29.1% |
| 2 barriers | 35.1% |
| 3 barriers | 19.5% |
| 4 barriers | 8.5% |
| 5 barriers | 4.3% |
| 6 barriers | 0.4% |
35.1% of sites carry exactly two barriers — the modal count. Single-barrier sites account for 29.1%. Only 3.1% have no barrier at all, while 32.7% stack three or more.

Most Antigua sites are Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.7 |
The median recommended tier is 1, meaning over half of sites are reachable via plain HTTP. The mean of 1.68 confirms Tier 1 is dominant, with Tier 2 covering most of the remainder.

Most Antigua sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 50.3% |
| 2 - Easy | 36.1% |
| 3 - Moderate | 10.1% |
| 4 - Complex | 2.4% |
| 5 - Advanced | 1.2% |
50.3% of sites sit at Tier 1 (Simple) and 36.1% at Tier 2 (Easy), together reaching 86.4%. Tier 3 accounts for 10.1%, while Tiers 4 and 5 together cover 3.6%.
robots.txt

AI crawlers top Antigua's robots.txt bot categories
| % of sites | |
|---|---|
| AI crawlers | 16.7% |
| SEO / search indexing | 13.5% |
| SEO audit tools | 14.6% |
| Commercial scrapers | 8.5% |
| Social / content scrapers | 7.3% |
| Archive / research crawlers | 4.3% |
| Monitoring / uptime bots | 0.6% |
AI crawlers appear in the robots.txt of 16.7% of all Antigua sites — the leading category. SEO audit tools (14.6%) and SEO/search indexing (13.5%) follow closely. Commercial scrapers are named by 8.5%.

Uniform rules are Antigua's most common robots.txt posture
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 42.4% |
| Path-level mixed rules for same agent | 32.3% |
| Allow-only (no disallow rules) | 2.7% |
| Mixed AI posture (block some, allow others) | 3.1% |
| Blanket Disallow: / | 3.5% |
42.4% of all Antigua and Barbuda sites use uniform per-agent rules. Path-level mixed rules cover 32.3%. Blanket Disallow: / applies to 3.5%, mixed AI posture to 3.1%, and allow-only to 2.7%.

GPTBot faces the most Disallow rules in Antigua's robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 12.3% | 1.9% |
| CCBot | 9.2% | 1.3% |
| ClaudeBot | 8.9% | 0.9% |
| Google-Extended | 9.5% | 1.5% |
| Bytespider | 7.4% | 0.6% |
| meta-externalagent | 3.6% | 0.1% |
| ChatGPT-User | 6.5% | 2.7% |
| PerplexityBot | 6.9% | 2.1% |
| Applebot-Extended | 5.3% | 0.6% |
| OAI-SearchBot | 4.3% | 2.5% |
| anthropic-ai | 6% | 0.8% |
GPTBot appears in Disallow rules on 12.3% of all sites — the highest rate. Google-Extended (9.5%) and ClaudeBot (8.9%) follow. ChatGPT-User leads allow rules at 2.7%.

Design, Entertainment, and Textiles sites all name at least one bot
| % of sites | |
|---|---|
| Design | 100% |
| Entertainment | 100% |
| Textiles & Nonwovens | 100% |
| Adult | 90% |
| Advertising & Mktg | 90% |
| Airlines | 90% |
| Computer & Video Games | 90% |
| Consumer Electronics | 90% |
| Food & Beverages | 90% |
| General | 90% |
| Healthcare | 90% |
| Mass Media | 90% |
| Newspapers | 90% |
| Online Services | 90% |
| Packaging | 90% |
Design, Entertainment, and Textiles & Nonwovens all record 100% named-bot Disallow rates. Ten further sectors reach 90%, including Airlines, Consumer Electronics, Food & Beverages, and Healthcare.

Antigua's Airlines and Photography sites lead in explicitly allowing crawlers
| % of sites | |
|---|---|
| Airlines | 70% |
| Photography | 70% |
| Publishing | 70% |
| Retail | 70% |
| Social & Charitable | 62.5% |
| Accounting & Auditing | 60% |
| Computer Hardware | 60% |
| Construction | 60% |
| Education | 60% |
| Import & Export | 60% |
| Market Research | 60% |
| Medical Devices | 60% |
| Science | 60% |
| Software & Dev | 60% |
| Telecom | 60% |
Airlines and Photography top the allow table at 70%, joined by Publishing, Retail, and Social & Charitable (62.5%). Eight further sectors — including Education, Science, and Telecom — record 60%.
Industry Patterns

Hospitality is Antigua and Barbuda's hardest sector to crawl
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Hospitality | 90% | 30% | 20% | 70% | 20% | 30% | 70% | 10% | Tier 3 |
| Real Estate | 80% | 30% | 20% | 60% | 40% | 20% | 50% | 10% | Tier 3 |
| Retail | 100% | 10% | 0% | 70% | 20% | 10% | 90% | 50% | Tier 3 |
| Computer Hardware | 100% | 10% | 0% | 40% | 10% | 30% | 80% | 10% | Tier 3 |
| Jewellery & Luxury | 100% | 10% | 0% | 30% | 40% | 40% | 70% | 10% | Tier 2 |
| Apparel & Fashion | 100% | 10% | 20% | 70% | 20% | 20% | 80% | 10% | Tier 2 |
| Sporting Goods | 80% | 0% | 0% | 30% | 40% | 40% | 60% | 10% | Tier 2 |
| Human Resources | 100% | 60% | 50% | 40% | 40% | 30% | 80% | 10% | Tier 2 |
| Beauty & Cosmetics | 100% | 40% | 40% | 50% | 50% | 20% | 70% | 10% | Tier 2 |
| Mail & Delivery | 60% | 20% | 10% | 10% | 0% | 30% | 80% | 0% | Tier 2 |
| Transport & Logistics | 60% | 40% | 30% | 10% | 10% | 30% | 70% | 0% | Tier 2 |
| Maritime | 100% | 20% | 10% | 60% | 20% | 10% | 70% | 10% | Tier 2 |
| Construction | 80% | 10% | 10% | 30% | 10% | 20% | 70% | 0% | Tier 2 |
| Consumer Electronics | 70% | 30% | 20% | 50% | 10% | 40% | 90% | 20% | Tier 2 |
| Equipment & Supplies | 90% | 40% | 10% | 60% | 10% | 0% | 50% | 0% | Tier 2 |
Hospitality leads with a mean recommended tier of 2.90, followed by Real Estate, Retail, and Jewellery & Luxury — all sharing a mean of 2.60. With n=10 per sector, tier means resolve to 10% increments, limiting fine ranking distinctions.

Healthcare is Antigua and Barbuda's most accessible sector programmatically
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Recruitment & Staffing | 100% | 50% | 50% | 30% | 0% | 20% | 80% | 20% | Tier 2 |
| Automotive | 80% | 20% | 0% | 50% | 50% | 30% | 70% | 40% | Tier 2 |
| Science | 100% | 40% | 10% | 40% | 20% | 40% | 70% | 20% | Tier 2 |
| Banking | 100% | 30% | 0% | 20% | 0% | 10% | 90% | 10% | Tier 2 |
| Education | 100% | 20% | 10% | 30% | 10% | 10% | 80% | 10% | Tier 2 |
| Restaurants | 90% | 30% | 20% | 40% | 40% | 20% | 60% | 10% | Tier 2 |
| Wholesalers | 100% | 10% | 20% | 60% | 20% | 40% | 90% | 0% | Tier 2 |
| Food & Beverages | 100% | 30% | 20% | 60% | 20% | 10% | 90% | 50% | Tier 2 |
| Adult | 100% | 40% | 30% | 70% | 10% | 20% | 90% | 10% | Tier 2 |
| Airlines | 80% | 10% | 10% | 50% | 20% | 20% | 100% | 40% | Tier 2 |
| Design | 100% | 30% | 40% | 40% | 30% | 30% | 100% | 40% | Tier 2 |
| Import & Export | 100% | 30% | 30% | 30% | 0% | 40% | 90% | 10% | Tier 2 |
| Music | 100% | 40% | 40% | 50% | 20% | 30% | 90% | 30% | Tier 2 |
| Travel & Tourism | 100% | 30% | 10% | 60% | 30% | 0% | 80% | 30% | Tier 2 |
| Healthcare | 100% | 20% | 20% | 40% | 10% | 10% | 100% | 50% | Tier 2 |
Healthcare records the lowest mean recommended tier at 1.70 — the floor in this dataset. Given n=10 per sector, this value is the meaningful minimum, though the ranking carries limited precision at small sample sizes.