Overview
JavaScript is the strongest secondary barrier
| Value | |
|---|---|
| WAF | 91.9% |
| Antibot | 19.8% |
| CAPTCHA | 21.4% |
| JavaScript | 42.8% |
| Rate Limiting | 13.1% |
| TLS | 17.4% |
WAF covers 91.9% of Thailand's 1,106 sites. JavaScript is the highest secondary barrier at 42.8%. CAPTCHA follows at 21.4%, Antibot at 19.8%, TLS at 17.4%. Rate Limiting stands at 13.1%.
Barrier Landscape
JavaScript tops Thailand's active secondary defences
| Value | |
|---|---|
| WAF | 91.9% |
| Antibot | 19.8% |
| CAPTCHA | 21.4% |
| JavaScript | 42.8% |
| Rate Limiting | 13.1% |
| TLS | 17.4% |
| Has robots.txt | 81% |
| Blocks AI crawlers | 14.9% |
WAF is deployed by 91.9% of Thailand's sites. JavaScript (42.8%) is the leading secondary barrier, ahead of CAPTCHA (21.4%) and Antibot (19.8%). TLS is 17.4%; Rate Limiting is 13.1%.
Two barriers is the most common configuration across sites
| % of sites | |
|---|---|
| 0 barriers | 5.4% |
| 1 barrier | 30.1% |
| 2 barriers | 34.6% |
| 3 barriers | 17.4% |
| 4 barriers | 8% |
| 5 barriers | 3.9% |
| 6 barriers | 0.5% |
5.4% of Thailand's 1,106 sites have no barriers. Two barriers is the modal count at 34.6% of sites. Sites stacking three or more barriers account for 29.8% of the sample.
Most Thailand sites are Easy to access
| Mean recommended tier | |
|---|---|
| All sites | 1.7 |
Thailand's mean recommended browser tier is 1.66 with a median of Tier 2. Tier 1 accounts for 48.1% of sites. The combined Tier 3–5 share of 11.4% keeps the mean below 2.
Nearly nine in ten sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 48.1% |
| 2 - Easy | 40.5% |
| 3 - Moderate | 9% |
| 4 - Complex | 1.8% |
| 5 - Advanced | 0.6% |
Tier 1 covers 48.1% of Thailand's 1,106 sites; Tier 2 adds 40.5%, for a combined 88.6%. Tier 3 accounts for 9.0%. Tier 4 and Tier 5 together make up the remaining 2.4%.
robots.txt
AI crawlers are the most-cited bot category in robots.txt
| % of sites | |
|---|---|
| AI crawlers | 16.4% |
| SEO / search indexing | 12.9% |
| SEO audit tools | 14.3% |
| Commercial scrapers | 9% |
| Social / content scrapers | 6.3% |
| Archive / research crawlers | 4.3% |
| Monitoring / uptime bots | 0.6% |
AI crawlers are named by 16.4% of Thailand's 1,106 sites — the highest of any bot category. SEO audit tools follow at 14.3%, then SEO / search indexing at 12.9%. Commercial scrapers are named by 9.0%.
Uniform per-agent rules are the most common robots.txt posture
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 42.6% |
| Path-level mixed rules for same agent | 32.9% |
| Allow-only (no disallow rules) | 2.8% |
| Mixed AI posture (block some, allow others) | 2.6% |
| Blanket Disallow: / | 2.5% |
42.6% of Thailand's 1,106 sites use uniform per-agent rules. Path-level mixed rules account for 32.9%. The 19.0% without a robots.txt file are the complement of the 81.0% that have one.
GPTBot faces the most Disallow rules in Thailand's robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 12.4% | 2.4% |
| CCBot | 9.3% | 0.9% |
| ClaudeBot | 9.1% | 1.4% |
| Google-Extended | 8.5% | 1.2% |
| Bytespider | 7.9% | 0.4% |
| meta-externalagent | 3.3% | 0.3% |
| ChatGPT-User | 6.3% | 2.7% |
| PerplexityBot | 6.2% | 2.2% |
| Applebot-Extended | 5.4% | 0.5% |
| OAI-SearchBot | 4.2% | 1.8% |
| anthropic-ai | 5.4% | 0.9% |
GPTBot is named in a Disallow rule by 12.4% of Thailand's sites — the highest rate of any AI agent. ChatGPT-User records the highest explicit Allow rate at 2.7%, ahead of GPTBot at 2.4%.
Six sectors reach full named-bot Disallow coverage
| % of sites | |
|---|---|
| Computer & Video Games | 100% |
| Consumer Electronics | 100% |
| Design | 100% |
| Entertainment | 100% |
| Newspapers | 100% |
| Visual Art | 100% |
| Adult | 90% |
| Automotive | 90% |
| Beauty & Cosmetics | 90% |
| Civil Engineering | 90% |
| Comics & Animation | 90% |
| General | 90% |
| Healthcare | 90% |
| Mass Media | 90% |
| Medical Devices | 90% |
Computer & Video Games, Consumer Electronics, Design, Entertainment, Newspapers, and Visual Art each show every site naming at least one bot to restrict. The next group, including Adult and Automotive, stands at 90%.
Airlines leads explicit bot Allow rules
| % of sites | |
|---|---|
| Airlines | 90% |
| Real Estate | 80% |
| Photography | 70% |
| Publishing | 70% |
| Retail | 70% |
| Travel & Tourism | 70% |
| Architecture | 60% |
| Automotive | 60% |
| Food & Beverages | 60% |
| Graphic Design | 60% |
| Pharmaceuticals | 60% |
| Printing | 60% |
| Science | 60% |
| Software & Dev | 60% |
| Sporting Goods | 60% |
Airlines records the highest named-bot Allow rate in Thailand at 90% of sites in that sector. Real Estate follows at 80%. Photography, Publishing, Retail, and Travel & Tourism each stand at 70%.
Industry Patterns
Jewellery & Luxury is the hardest sector to access programmatically
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Jewellery & Luxury | 100% | 10% | 10% | 40% | 40% | 50% | 60% | 0% | Tier 3 |
| Retail | 100% | 10% | 0% | 70% | 20% | 10% | 90% | 50% | Tier 3 |
| Hospitality | 90% | 20% | 0% | 60% | 20% | 40% | 60% | 20% | Tier 3 |
| Computer Hardware | 90% | 10% | 0% | 30% | 20% | 30% | 90% | 10% | Tier 2 |
| Real Estate | 90% | 10% | 10% | 40% | 20% | 20% | 90% | 50% | Tier 2 |
| Apparel & Fashion | 100% | 20% | 30% | 70% | 20% | 20% | 80% | 10% | Tier 2 |
| Beauty & Cosmetics | 80% | 20% | 10% | 40% | 40% | 40% | 90% | 10% | Tier 2 |
| Equipment & Supplies | 90% | 40% | 20% | 50% | 40% | 0% | 60% | 20% | Tier 2 |
| Human Resources | 100% | 80% | 60% | 50% | 40% | 20% | 70% | 10% | Tier 2 |
| Customer Services | 100% | 20% | 30% | 60% | 40% | 20% | 50% | 0% | Tier 2 |
| Medical Devices | 100% | 10% | 0% | 40% | 10% | 0% | 100% | 0% | Tier 2 |
| Restaurants | 90% | 40% | 30% | 50% | 30% | 20% | 70% | 20% | Tier 2 |
| Consumer Electronics | 80% | 10% | 20% | 30% | 10% | 30% | 100% | 10% | Tier 2 |
| Furniture | 100% | 40% | 20% | 30% | 20% | 30% | 80% | 20% | Tier 2 |
| Design | 100% | 20% | 30% | 40% | 20% | 30% | 100% | 30% | Tier 2 |
Jewellery & Luxury records a mean recommended browser tier of 2.80 and a Tier 3 median — the highest in Thailand. Retail follows at mean 2.60, also with a Tier 3 median. Hospitality and Real Estate both share a mean of 2.50.
Adult is the most accessible sector
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Mail & Delivery | 70% | 40% | 10% | 10% | 0% | 20% | 80% | 0% | Tier 2 |
| Public Safety | 100% | 30% | 50% | 70% | 20% | 40% | 90% | 20% | Tier 2 |
| Sporting Goods | 80% | 10% | 20% | 20% | 30% | 30% | 70% | 0% | Tier 2 |
| Automotive | 100% | 10% | 0% | 30% | 30% | 30% | 90% | 20% | Tier 2 |
| Events | 90% | 10% | 10% | 80% | 30% | 0% | 60% | 0% | Tier 2 |
| Manufacturing | 80% | 10% | 10% | 30% | 0% | 40% | 70% | 0% | Tier 2 |
| Maritime | 90% | 10% | 0% | 40% | 10% | 30% | 90% | 10% | Tier 2 |
| Music | 100% | 40% | 30% | 70% | 30% | 20% | 80% | 10% | Tier 2 |
| Reference | 90% | 60% | 30% | 50% | 30% | 10% | 60% | 30% | Tier 2 |
| Transport & Logistics | 70% | 40% | 10% | 20% | 0% | 20% | 80% | 0% | Tier 2 |
| Veterinary | 100% | 30% | 20% | 40% | 20% | 20% | 90% | 10% | Tier 2 |
| Visual Art | 100% | 30% | 20% | 30% | 0% | 20% | 100% | 20% | Tier 2 |
| Wholesalers | 80% | 10% | 20% | 40% | 20% | 30% | 70% | 10% | Tier 2 |
| Food & Beverages | 100% | 40% | 30% | 60% | 30% | 0% | 90% | 30% | Tier 2 |
| Adult | 100% | 40% | 40% | 80% | 10% | 20% | 90% | 10% | Tier 2 |
Adult records a mean recommended browser tier of 1.80 — the lowest in Thailand's industry ranking. Food & Beverages follows at 1.85. Automotive, Events, Manufacturing, Maritime, Music, Reference, Transport & Logistics, Veterinary, Visual Art, and Wholesalers all sit at 1.90.