Overview
JavaScript is the standout secondary barrier in Northern Mariana Islands
| Value | |
|---|---|
| WAF | 93.9% |
| Antibot | 19.5% |
| CAPTCHA | 22.4% |
| JavaScript | 39.2% |
| Rate Limiting | 15.5% |
| TLS | 16.9% |
WAF covers 93.9% of Northern Mariana Islands sites — the highest of these five territories. Among secondary barriers, JavaScript (39.2%) leads, followed by CAPTCHA (22.4%), Antibot (19.5%), TLS (16.9%), and Rate Limiting (15.5%).
Barrier Landscape
JavaScript and CAPTCHA are the leading secondary barriers
| Value | |
|---|---|
| WAF | 93.9% |
| Antibot | 19.5% |
| CAPTCHA | 22.4% |
| JavaScript | 39.2% |
| Rate Limiting | 15.5% |
| TLS | 16.9% |
| Has robots.txt | 79.6% |
| Blocks AI crawlers | 15.2% |
WAF covers 93.9% of Northern Mariana Islands sites. JavaScript (39.2%) is the top secondary barrier, then CAPTCHA (22.4%), Antibot (19.5%), Rate Limiting (15.5%), and TLS (16.9%).
Two-barrier stacks are the most common configuration
| % of sites | |
|---|---|
| 0 barriers | 4.1% |
| 1 barrier | 31.2% |
| 2 barriers | 32.8% |
| 3 barriers | 21% |
| 4 barriers | 6.9% |
| 5 barriers | 3.7% |
| 6 barriers | 0.3% |
Two-barrier configurations account for 32.8% of Northern Mariana Islands sites — the modal count — followed closely by single-barrier sites at 31.2%. Three or more barriers appear on 31.9% of sites, and 4.1% carry none.
Most Northern Mariana Islands sites are Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.6 |
The recommended browser tier has a mean of 1.65 and a median of 1 (Simple). Just over half of sites (50.8%) sit at Tier 1, with Tier 2 covering most of the remainder at 36.4%.
Nearly nine in 10 sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 50.8% |
| 2 - Easy | 36.4% |
| 3 - Moderate | 10.7% |
| 4 - Complex | 1.5% |
| 5 - Advanced | 0.6% |
Tier 1 (Simple) covers 50.8% of Northern Mariana Islands sites; Tier 2 (Easy) adds 36.4%. Tier 3 (Moderate) accounts for 10.7%, with Tiers 4 and 5 making up the remaining 2.1%.
robots.txt
AI crawlers and SEO audit tools are near-equally cited in robots.txt
| % of sites | |
|---|---|
| AI crawlers | 16.3% |
| SEO / search indexing | 11.9% |
| SEO audit tools | 16% |
| Commercial scrapers | 8.7% |
| Social / content scrapers | 6.9% |
| Archive / research crawlers | 4.6% |
| Monitoring / uptime bots | 0.2% |
Across all 656 Northern Mariana Islands sites, 16.3% name at least one AI crawler in robots.txt and 16.0% name an SEO audit tool. SEO/search bots appear on 11.9% of sites, ahead of commercial scrapers at 8.7%.
Uniform rules are the clear leading posture
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 44.4% |
| Path-level mixed rules for same agent | 29.3% |
| Allow-only (no disallow rules) | 1.8% |
| Mixed AI posture (block some, allow others) | 3.2% |
| Blanket Disallow: / | 3.4% |
Uniform per-agent rules apply to 44.4% of Northern Mariana Islands sites. Path-level mixed rules cover 29.3%. Approximately 20.4% of sites have no robots.txt file at all.
GPTBot and Google-Extended top AI agent restrictions
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 12.5% | 1.7% |
| CCBot | 8.5% | 0.6% |
| ClaudeBot | 9.5% | 0.6% |
| Google-Extended | 9.6% | 1.4% |
| Bytespider | 7.9% | 0.8% |
| meta-externalagent | 3.7% | 0.5% |
| ChatGPT-User | 7% | 3% |
| PerplexityBot | 6.2% | 2.3% |
| Applebot-Extended | 4.9% | 0.3% |
| OAI-SearchBot | 4.6% | 2.7% |
| anthropic-ai | 5.3% | 0.8% |
GPTBot appears in a Disallow rule on 12.5% of all Northern Mariana Islands sites. Google-Extended (9.6%) and ClaudeBot (9.5%) follow. ChatGPT-User leads Allow rules at 3.0%.
Five sectors unanimously name at least one bot to restrict
| % of sites | |
|---|---|
| Design | 100% |
| Food & Beverages | 100% |
| Foreign Language | 100% |
| Retail | 100% |
| Writing & Editing | 100% |
| Beauty & Cosmetics | 90% |
| Entertainment | 90% |
| General | 90% |
| Healthcare | 90% |
| Mass Media | 90% |
| Newspapers | 90% |
| Online Services | 90% |
| Publishing | 90% |
| Jewellery & Luxury | 87.5% |
| Adult | 80% |
Design, Food & Beverages, Foreign Language, Retail, and Writing & Editing each show 100% of their sites naming at least one bot to restrict. Beauty & Cosmetics, Entertainment, General, Healthcare, and six other sectors follow at 80–90%.
Retail leads sectors on explicit bot Allow rules
| % of sites | |
|---|---|
| Retail | 80% |
| Publishing | 70% |
| Travel & Tourism | 70% |
| Healthcare | 60% |
| Photography | 60% |
| Software & Dev | 60% |
| Sporting Goods | 60% |
| Telecom | 60% |
| Wellness | 60% |
| Advertising & Mktg | 50% |
| Airlines | 50% |
| Beauty & Cosmetics | 50% |
| Food & Beverages | 50% |
| General | 50% |
| Hospitality | 50% |
Retail names at least one bot in an Allow rule on 80.0% of its sites. Publishing and Travel & Tourism follow at 70.0%, with Healthcare, Photography, Software & Dev, Sporting Goods, Telecom, and Wellness each at 60.0%.
Industry Patterns
Automotive is the hardest sector to access programmatically
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Automotive | 90% | 30% | 20% | 30% | 30% | 30% | 60% | 10% | Tier 3 |
| Sporting Goods | 90% | 0% | 10% | 20% | 50% | 40% | 70% | 20% | Tier 3 |
| Retail | 100% | 20% | 0% | 60% | 10% | 10% | 100% | 50% | Tier 2 |
| Hospitality | 100% | 0% | 0% | 60% | 40% | 30% | 70% | 10% | Tier 2 |
| Computer Hardware | 90% | 50% | 10% | 40% | 20% | 10% | 70% | 0% | Tier 2 |
| Apparel & Fashion | 90% | 10% | 20% | 50% | 30% | 30% | 60% | 0% | Tier 2 |
| Consumer Electronics | 100% | 50% | 30% | 40% | 40% | 20% | 80% | 20% | Tier 2 |
| Non-Profit | 90% | 20% | 20% | 50% | 0% | 10% | 70% | 0% | Tier 2 |
| Food & Beverages | 100% | 40% | 30% | 50% | 30% | 0% | 100% | 20% | Tier 2 |
| Airlines | 80% | 10% | 10% | 60% | 20% | 20% | 80% | 10% | Tier 2 |
| Music | 100% | 20% | 30% | 70% | 30% | 0% | 80% | 10% | Tier 2 |
| Science | 100% | 40% | 0% | 20% | 20% | 20% | 70% | 10% | Tier 2 |
| Telecom | 100% | 10% | 20% | 60% | 20% | 20% | 80% | 10% | Tier 2 |
| Travel & Tourism | 100% | 30% | 10% | 60% | 40% | 10% | 80% | 20% | Tier 2 |
| Human Resources | 100% | 33.3% | 55.6% | 44.4% | 55.6% | 22.2% | 66.7% | 0% | Tier 2 |
Automotive records a mean browser tier of 2.85 (median 3, Moderate) — the highest in Northern Mariana Islands. Sporting Goods follows at a mean of 2.70 (median 3). Retail (2.50) and Hospitality (2.40) are next with a median of 2.
Mail & Delivery is Northern Mariana Islands's most accessible sector
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Design | 100% | 20% | 30% | 60% | 30% | 10% | 100% | 30% | Tier 2 |
| Military | 60% | 0% | 10% | 40% | 0% | 0% | 40% | 10% | Tier 2 |
| Real Estate | 100% | 20% | 10% | 30% | 20% | 30% | 80% | 10% | Tier 2 |
| Adult | 100% | 30% | 40% | 70% | 10% | 10% | 80% | 10% | Tier 2 |
| Banking | 100% | 50% | 0% | 20% | 0% | 10% | 80% | 10% | Tier 2 |
| Healthcare | 100% | 10% | 10% | 20% | 0% | 10% | 100% | 30% | Tier 2 |
| Museums | 100% | 30% | 20% | 50% | 10% | 10% | 50% | 10% | Tier 2 |
| Photography | 90% | 40% | 40% | 30% | 30% | 70% | 70% | 30% | Tier 2 |
| Publishing | 90% | 30% | 30% | 50% | 20% | 0% | 90% | 60% | Tier 2 |
| Libraries | 100% | 11.1% | 22.2% | 44.4% | 0% | 11.1% | 55.6% | 0% | Tier 2 |
| Advertising & Mktg | 100% | 20% | 40% | 30% | 10% | 30% | 100% | 20% | Tier 2 |
| Beauty & Cosmetics | 90% | 10% | 30% | 50% | 20% | 20% | 90% | 10% | Tier 2 |
| Computer & Video Games | 100% | 30% | 30% | 50% | 20% | 10% | 100% | 30% | Tier 2 |
| Distance Learning | 100% | 50% | 50% | 20% | 30% | 20% | 80% | 20% | Tier 2 |
| Mail & Delivery | 80% | 40% | 40% | 20% | 0% | 20% | 100% | 0% | Tier 2 |
Mail & Delivery records the lowest mean browser tier at 1.60 (median 2, Easy). Advertising & Mktg, Beauty & Cosmetics, Computer & Video Games, Distance Learning, and Libraries all share the same mean of 1.60.