Overview
Serbian sites run JavaScript and TLS above global rates
| Value | |
|---|---|
| WAF | 92.4% |
| Antibot | 20.5% |
| CAPTCHA | 21% |
| JavaScript | 42.2% |
| Rate Limiting | 13.1% |
| TLS | 18.6% |
WAF adoption stands at 92.4%, slightly below the global rate of 93.1%. JavaScript (42.2%) and TLS (18.6%) both exceed their global benchmarks of 41.3% and 17.7%. Antibot (20.5%) and CAPTCHA (21.0%) are close to global norms.
Barrier Landscape
JavaScript tops Serbia's active secondary barriers
| Value | |
|---|---|
| WAF | 92.4% |
| Antibot | 20.5% |
| CAPTCHA | 21% |
| JavaScript | 42.2% |
| Rate Limiting | 13.1% |
| TLS | 18.6% |
| Has robots.txt | 80.6% |
| Blocks AI crawlers | 13.8% |
WAF is deployed by 92.4% of Serbia sites. Among secondary barriers, JavaScript ranks first at 42.2%, followed by CAPTCHA at 21.0% and Antibot at 20.5%. TLS (18.6%) and Rate Limiting (13.1%) complete the profile.
Most Serbian sites carry two barriers
| % of sites | |
|---|---|
| 0 barriers | 4.9% |
| 1 barrier | 29% |
| 2 barriers | 36.5% |
| 3 barriers | 16.9% |
| 4 barriers | 9% |
| 5 barriers | 3.4% |
| 6 barriers | 0.3% |
4.9% of Serbia sites carry no detected barriers. The modal count is two barriers, accounting for 36.5% of sites. Sites deploying three or more barriers total 29.6%.
Most Serbian sites need Easy-tier access to retrieve content
| Mean recommended tier | |
|---|---|
| All sites | 1.7 |
The browser-based median tier is 2, meaning fewer than half of sites are accessible via plain HTTP. The mean tier is 1.66 across 1,105 Serbia sites.
Nearly nine in ten Serbian sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 47.7% |
| 2 - Easy | 41.4% |
| 3 - Moderate | 8.3% |
| 4 - Complex | 1.9% |
| 5 - Advanced | 0.6% |
Tier 1 and Tier 2 combined account for 89.1% of Serbia sites (47.7% and 41.4% respectively). Tier 3 holds 8.3%, Tier 4 holds 1.9%, and Tier 5 holds 0.6%.
robots.txt
AI crawlers top Serbia's robots.txt bot categories
| % of sites | |
|---|---|
| AI crawlers | 15% |
| SEO / search indexing | 12.8% |
| SEO audit tools | 13.1% |
| Commercial scrapers | 8.3% |
| Social / content scrapers | 5.8% |
| Archive / research crawlers | 4.3% |
| Monitoring / uptime bots | 0.5% |
Across all 1,105 Serbia sites, 15.0% name at least one AI crawler in a robots.txt rule. SEO audit tools appear on 13.1% of sites and SEO/search indexing bots on 12.8%. Commercial scrapers are referenced by 8.3% of sites.
Uniform rules are Serbia's most common robots.txt posture
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 42.7% |
| Path-level mixed rules for same agent | 32.6% |
| Allow-only (no disallow rules) | 2.5% |
| Mixed AI posture (block some, allow others) | 2.5% |
| Blanket Disallow: / | 2.6% |
19.4% of Serbia sites have no robots.txt. Among those that do, uniform per-agent rules account for 42.7% of all sites, path-level mixed rules for 32.6%, blanket Disallow: / for 2.6%, and mixed-AI posture for 2.5%.
GPTBot faces the most Disallow rules in Serbia's robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 10.9% | 2.1% |
| CCBot | 8.7% | 0.9% |
| ClaudeBot | 8.1% | 0.9% |
| Google-Extended | 7.9% | 1.3% |
| Bytespider | 7.1% | 0.3% |
| meta-externalagent | 3.1% | 0.2% |
| ChatGPT-User | 6% | 2.4% |
| PerplexityBot | 5.7% | 1.6% |
| Applebot-Extended | 4.7% | 0.3% |
| OAI-SearchBot | 4.2% | 1.8% |
| anthropic-ai | 5.2% | 0.8% |
GPTBot is named in a Disallow rule on 10.9% of all Serbia sites — the highest block rate of any AI agent. ChatGPT-User receives the most explicit Allow rules, appearing on 2.4% of all sites.
Five Serbian sectors all name at least one bot to restrict
| % of sites | |
|---|---|
| Apparel & Fashion | 100% |
| Design | 100% |
| Entertainment | 100% |
| Retail | 100% |
| Visual Art | 100% |
| Adult | 90% |
| Chemicals | 90% |
| Comics & Animation | 90% |
| Computer & Video Games | 90% |
| Crafts | 90% |
| Food & Beverages | 90% |
| General | 90% |
| Machinery | 90% |
| Mass Media | 90% |
| Medical Devices | 90% |
Five sectors — Apparel & Fashion, Design, Entertainment, Retail, and Visual Art — reach 100%, meaning every site in those sectors names at least one bot to restrict in a Disallow rule. A further ten sectors reach 90%.
Serbian sites spread explicit bot allowlisting across many sectors
| % of sites | |
|---|---|
| Airlines | 70% |
| Architecture | 70% |
| Automotive | 70% |
| Facilities Services | 70% |
| Photography | 70% |
| Publishing | 70% |
| Science | 70% |
| Sporting Goods | 70% |
| Travel & Tourism | 70% |
| Graphic Design | 60% |
| Non-Profit | 60% |
| Plastics & Polymers | 60% |
| Public Relations | 60% |
| Retail | 60% |
| Software & Dev | 60% |
Nine sectors — including Airlines, Architecture, Automotive, and Travel & Tourism — each have 70% of their sites naming at least one bot to allow in an Allow rule. Six further sectors reach 60%.
Industry Patterns
Hospitality is Serbia's hardest sector to access programmatically
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Hospitality | 90% | 20% | 0% | 60% | 30% | 40% | 60% | 10% | Tier 3 |
| Real Estate | 100% | 10% | 0% | 50% | 40% | 10% | 70% | 30% | Tier 3 |
| Equipment & Supplies | 90% | 30% | 0% | 60% | 20% | 10% | 70% | 10% | Tier 3 |
| Computer Hardware | 100% | 20% | 0% | 30% | 30% | 20% | 80% | 10% | Tier 2 |
| Human Resources | 100% | 80% | 60% | 50% | 40% | 20% | 70% | 10% | Tier 2 |
| Beauty & Cosmetics | 80% | 40% | 20% | 30% | 40% | 20% | 80% | 20% | Tier 2 |
| Apparel & Fashion | 90% | 0% | 10% | 50% | 20% | 50% | 100% | 10% | Tier 2 |
| Jewellery & Luxury | 100% | 30% | 10% | 50% | 50% | 40% | 60% | 0% | Tier 2 |
| Retail | 90% | 10% | 0% | 50% | 20% | 30% | 100% | 40% | Tier 2 |
| Consumer Electronics | 70% | 10% | 0% | 40% | 10% | 40% | 80% | 10% | Tier 2 |
| Crafts | 100% | 20% | 30% | 40% | 10% | 10% | 90% | 20% | Tier 2 |
| Customer Services | 100% | 10% | 20% | 40% | 20% | 30% | 70% | 0% | Tier 2 |
| Furniture | 80% | 10% | 10% | 50% | 10% | 10% | 60% | 0% | Tier 2 |
| Maritime | 90% | 10% | 0% | 40% | 10% | 30% | 90% | 10% | Tier 2 |
| Medical Devices | 100% | 0% | 10% | 50% | 20% | 10% | 90% | 20% | Tier 2 |
Hospitality records the highest mean tier at 2.70, followed by Real Estate at 2.60. Equipment & Supplies and Beauty & Cosmetics share a mean of 2.30. Computer Hardware (2.45) and Human Resources (2.40) form a secondary cluster.
Food & Beverages and Government are Serbia's most accessible sectors
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Public Safety | 100% | 10% | 30% | 40% | 10% | 20% | 90% | 10% | Tier 2 |
| Design | 100% | 20% | 30% | 40% | 20% | 30% | 100% | 30% | Tier 2 |
| Mail & Delivery | 70% | 40% | 10% | 10% | 0% | 20% | 80% | 0% | Tier 2 |
| Manufacturing | 80% | 10% | 20% | 40% | 0% | 40% | 80% | 0% | Tier 2 |
| Recruitment & Staffing | 100% | 60% | 60% | 40% | 10% | 30% | 70% | 30% | Tier 2 |
| Renewable Energy | 90% | 10% | 10% | 60% | 20% | 30% | 90% | 0% | Tier 2 |
| Restaurants | 90% | 60% | 30% | 50% | 20% | 20% | 80% | 20% | Tier 2 |
| Sports | 100% | 10% | 20% | 70% | 20% | 10% | 80% | 30% | Tier 2 |
| Transport & Logistics | 70% | 50% | 10% | 20% | 0% | 20% | 80% | 0% | Tier 2 |
| Automotive | 90% | 30% | 0% | 10% | 30% | 40% | 80% | 10% | Tier 2 |
| Banking | 100% | 10% | 10% | 40% | 30% | 0% | 60% | 0% | Tier 2 |
| Sporting Goods | 80% | 10% | 20% | 20% | 40% | 50% | 70% | 0% | Tier 2 |
| Visual Art | 100% | 30% | 20% | 30% | 0% | 20% | 100% | 20% | Tier 2 |
| Food & Beverages | 100% | 50% | 30% | 60% | 20% | 0% | 90% | 40% | Tier 2 |
| Government | 70% | 20% | 0% | 30% | 10% | 10% | 70% | 0% | Tier 2 |
Food & Beverages and Government share the lowest mean tier of 1.85, the accessibility floor across Serbia's bottom industries. Automotive, Banking, Sporting Goods, and Visual Art each sit just above at 1.90.