Overview
JavaScript is the lowest secondary barrier rate in this group
| Value | |
|---|---|
| WAF | 94.2% |
| Antibot | 19.2% |
| CAPTCHA | 25.6% |
| JavaScript | 34% |
| Rate Limiting | 12% |
| TLS | 15.7% |
WAF leads at 94.2%. JavaScript reaches just 34.0% — the lowest secondary barrier rate in this country group. CAPTCHA at 25.6% outranks Antibot at 19.2%, an ordering that reverses the more typical pattern.
Barrier Landscape
JavaScript leads Antibot among Tonga secondary barriers
| Value | |
|---|---|
| WAF | 94.2% |
| Antibot | 19.2% |
| CAPTCHA | 25.6% |
| JavaScript | 34% |
| Rate Limiting | 12% |
| TLS | 15.7% |
| Has robots.txt | 81.7% |
| Blocks AI crawlers | 17.3% |
WAF reaches 94.2%. JavaScript at 34.0% is the weakest of the five larger secondary barriers. CAPTCHA (25.6%) outpaces Antibot (19.2%). Rate Limiting (12.0%) and TLS (15.7%) are the two lowest.
Single-barrier sites are the most common configuration
| % of sites | |
|---|---|
| 0 barriers | 4.6% |
| 1 barrier | 34.7% |
| 2 barriers | 32.3% |
| 3 barriers | 16.8% |
| 4 barriers | 7.4% |
| 5 barriers | 3.9% |
| 6 barriers | 0.4% |
4.6% of sites carry no barrier. The modal count is one barrier at 34.7%, ahead of two barriers at 32.3%. Sites with three or more barriers total 28.5%. No site deploys all six barriers — the highest count recorded is five, at 3.9%.
Most Tonga sites are Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.5 |
Median recommended tier is 1. At 59.3%, Tier 1 has the highest share among these five countries. Mean of 1.54 is one of the lowest in this group. Tier 3 stands at 7.8%, with Tiers 4–5 totalling 2.5%.
Nine in 10 Tonga sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 59.3% |
| 2 - Easy | 30.5% |
| 3 - Moderate | 7.8% |
| 4 - Complex | 1.8% |
| 5 - Advanced | 0.7% |
Tier 1 accounts for 59.3% and Tier 2 for 30.5%, totalling 89.8%. Tier 3 reaches 7.8%. Tiers 4 and 5 are minimal at 1.8% and 0.7% respectively — the lowest Tier 5 share in this group.
robots.txt
SEO audit tools outrank SEO search indexing in robots.txt
| % of sites | |
|---|---|
| AI crawlers | 18.9% |
| SEO / search indexing | 12.7% |
| SEO audit tools | 15.2% |
| Commercial scrapers | 9% |
| Social / content scrapers | 8.5% |
| Archive / research crawlers | 5.6% |
| Monitoring / uptime bots | 0.4% |
AI crawlers are named by 18.9% of all sites. SEO audit tools (15.2%) outpace SEO / search indexing (12.7%) by 2.5 points. Social / content scrapers are present at 8.5% — the highest among this country group.
Path-mixed rules reach their highest share in this group
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 43.2% |
| Path-level mixed rules for same agent | 33.7% |
| Allow-only (no disallow rules) | 1.9% |
| Mixed AI posture (block some, allow others) | 3.5% |
| Blanket Disallow: / | 2.8% |
Uniform per-agent rules apply at 43.2% of sites. Path-level mixed rules account for 33.7%. Mixed AI posture reaches 3.5%. Blanket Disallow: / covers 2.8% of sites.
PerplexityBot leads Allow mentions despite a high block rate
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 13.8% | 2.3% |
| CCBot | 10.4% | 1.6% |
| ClaudeBot | 11.1% | 1.2% |
| Google-Extended | 10.9% | 1.4% |
| Bytespider | 8.6% | 0.9% |
| meta-externalagent | 3.9% | 0.5% |
| ChatGPT-User | 8.5% | 3.2% |
| PerplexityBot | 9.7% | 3.4% |
| Applebot-Extended | 6.3% | 1.1% |
| OAI-SearchBot | 5.5% | 2.6% |
| anthropic-ai | 6.9% | 1.2% |
GPTBot is named in Disallow rules on 13.8% of all sites. PerplexityBot is blocked on 9.7% of sites yet also receives the highest explicit Allow rate at 3.4%, followed by ChatGPT-User at 3.2%.
Tonga equipment & supplies all name at least one bot to restrict
| % of sites | |
|---|---|
| Equipment & Supplies | 100% |
| Machinery | 100% |
| Retail | 100% |
| Writing & Editing | 100% |
| Airlines | 90% |
| Computer & Video Games | 90% |
| Entertainment | 90% |
| General | 90% |
| Mass Media | 90% |
| Newspapers | 90% |
| Online Services | 90% |
| Publishing | 90% |
| Travel & Tourism | 90% |
| Computer Hardware | 87.5% |
| Jewellery & Luxury | 83.3% |
Equipment & Supplies, Machinery, Retail, and Writing & Editing each have every sampled site naming at least one bot in a Disallow rule. Nine further sectors reach 87.5–90%.
Machinery leads both bot blocking and allowlisting in Tonga
| % of sites | |
|---|---|
| Machinery | 100% |
| Airlines | 80% |
| Photography | 80% |
| Retail | 80% |
| Travel & Tourism | 80% |
| Publishing | 70% |
| Maritime | 62.5% |
| Renewable Energy | 60% |
| Software & Dev | 60% |
| Writing & Editing | 60% |
| Computers & Electronics | 57.1% |
| Science | 55.6% |
| Advertising & Mktg | 50% |
| Computer Hardware | 50% |
| Consumer Electronics | 50% |
Machinery tops the explicit bot Allow list at 100%, making it the only sector with a 100% rate on both the block and allow charts. Airlines, Photography, and Retail each reach 80% explicit Allow rate.
Industry Patterns
Apparel & Fashion and Retail are Tonga's hardest sectors to access
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Apparel & Fashion | 100% | 10% | 40% | 50% | 20% | 40% | 80% | 10% | Tier 2 |
| Retail | 100% | 10% | 0% | 60% | 10% | 10% | 100% | 50% | Tier 2 |
| Computer Hardware | 100% | 50% | 50% | 25% | 12.5% | 50% | 87.5% | 0% | Tier 2 |
| Adult | 100% | 50% | 40% | 80% | 20% | 10% | 80% | 20% | Tier 2 |
| Consumer Electronics | 90% | 20% | 40% | 40% | 20% | 40% | 80% | 10% | Tier 2 |
| Sports | 100% | 10% | 10% | 50% | 10% | 0% | 90% | 10% | Tier 2 |
| Finance | 80% | 20% | 0% | 20% | 10% | 10% | 60% | 30% | Tier 2 |
| Real Estate | 100% | 30% | 30% | 30% | 40% | 0% | 70% | 20% | Tier 2 |
| Airlines | 90% | 10% | 10% | 60% | 20% | 30% | 100% | 40% | Tier 2 |
| Automotive | 100% | 0% | 0% | 50% | 20% | 10% | 70% | 30% | Tier 2 |
| Banking | 100% | 40% | 0% | 20% | 10% | 10% | 70% | 0% | Tier 2 |
| Music | 100% | 10% | 10% | 60% | 0% | 0% | 100% | 30% | Tier 2 |
| Computer & Video Games | 100% | 20% | 10% | 60% | 10% | 10% | 100% | 10% | Tier 2 |
| Distance Learning | 100% | 40% | 60% | 40% | 30% | 10% | 70% | 30% | Tier 2 |
| Telecom | 100% | 10% | 20% | 50% | 10% | 10% | 80% | 20% | Tier 2 |
All 15 hardest sectors carry a median recommended tier of 2. Apparel & Fashion leads with a mean of 2.50, followed by Retail at 2.40 and Computer Hardware at 2.12. Means range from 1.70 to 2.50 across the group.
General sector sits at Tonga's most accessible floor
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Travel & Tourism | 100% | 30% | 10% | 50% | 30% | 10% | 90% | 40% | Tier 2 |
| Libraries | 100% | 16.7% | 0% | 50% | 0% | 0% | 83.3% | 16.7% | Tier 2 |
| Education | 100% | 20% | 10% | 30% | 10% | 10% | 80% | 10% | Tier 2 |
| Non-Profit | 90% | 20% | 30% | 30% | 0% | 10% | 70% | 0% | Tier 2 |
| Photography | 90% | 30% | 30% | 30% | 40% | 60% | 80% | 30% | Tier 2 |
| Publishing | 90% | 30% | 30% | 60% | 20% | 0% | 90% | 40% | Tier 2 |
| Healthcare | 100% | 10% | 20% | 10% | 0% | 10% | 90% | 20% | Tier 2 |
| Entertainment | 100% | 0% | 40% | 50% | 0% | 10% | 100% | 40% | Tier 1 |
| Human Resources | 100% | 40% | 40% | 80% | 40% | 0% | 40% | 0% | Tier 1 |
| Transport & Logistics | 70% | 10% | 20% | 0% | 0% | 40% | 60% | 0% | Tier 1 |
| Mail & Delivery | 66.7% | 22.2% | 33.3% | 0% | 0% | 33.3% | 55.6% | 0% | Tier 1 |
| Maritime | 100% | 12.5% | 37.5% | 25% | 0% | 25% | 100% | 12.5% | Tier 1 |
| Hospitality | 100% | 20% | 10% | 50% | 10% | 20% | 70% | 20% | Tier 1 |
| Renewable Energy | 60% | 0% | 40% | 0% | 0% | 20% | 60% | 20% | Tier 1 |
| General | 100% | 0% | 50% | 50% | 10% | 40% | 90% | 40% | Tier 1 |
The General sector records the lowest mean recommended tier at 1.50, with a median of 1. Entertainment (mean 1.80) and Human Resources (1.80) also carry median tier 1. Six sectors cluster at a mean tier of 1.60, including Hospitality and Renewable Energy.