Overview

CAPTCHA and JavaScript share DR Congo's secondary barrier load
| Value | |
|---|---|
| WAF | 93.6% |
| Antibot | 19.9% |
| CAPTCHA | 23.1% |
| JavaScript | 38.2% |
| Rate Limiting | 11.8% |
| TLS | 16.6% |
WAF covers 93.6% of DR Congo sites. CAPTCHA (23.1%) and JavaScript (38.2%) are the next two barriers. Rate Limiting (11.8%) and TLS (16.6%) are the least-deployed.
Barrier Landscape

JavaScript tops DR Congo's active secondary defences
| Value | |
|---|---|
| WAF | 93.6% |
| Antibot | 19.9% |
| CAPTCHA | 23.1% |
| JavaScript | 38.2% |
| Rate Limiting | 11.8% |
| TLS | 16.6% |
| Has robots.txt | 80.4% |
| Blocks AI crawlers | 13.6% |
WAF reaches 93.6% of sites. JavaScript (38.2%) is the leading secondary barrier, ahead of CAPTCHA (23.1%). Antibot (19.9%), TLS (16.6%), and Rate Limiting (11.8%) trail.

One barrier is DR Congo's most common configuration
| % of sites | |
|---|---|
| 0 barriers | 4.2% |
| 1 barrier | 34.3% |
| 2 barriers | 32.2% |
| 3 barriers | 17.5% |
| 4 barriers | 7.4% |
| 5 barriers | 4% |
| 6 barriers | 0.4% |
34.3% of DR Congo sites carry exactly one barrier. 4.2% have none. 29.3% deploy three or more — with 4 in 1,000 sites reaching all six.

Over half of DR Congo sites are Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.6 |
Browser median is Tier 1, placing more than half of the 1,011 sites in the least-demanding retrieval category. The mean of 1.62 confirms the population skews strongly toward lower tiers.

Most DR Congo sites are Simple or Easy to access
| % of sites | |
|---|---|
| 1 - Simple | 51.8% |
| 2 - Easy | 37.3% |
| 3 - Moderate | 8.5% |
| 4 - Complex | 1.7% |
| 5 - Advanced | 0.7% |
51.8% of sites sit at Tier 1 (Simple) and 37.3% at Tier 2 (Easy), totalling 89.1%. Tier 3 holds 8.5%; Tiers 4 and 5 together cover only 2.4% of the sample.
robots.txt

AI crawlers are DR Congo's most-cited robots.txt bot category
| % of sites | |
|---|---|
| AI crawlers | 15.9% |
| SEO / search indexing | 12.6% |
| SEO audit tools | 13.2% |
| Commercial scrapers | 7.4% |
| Social / content scrapers | 6.3% |
| Archive / research crawlers | 5.4% |
| Monitoring / uptime bots | 0.5% |
AI crawlers appear in 15.9% of all DR Congo sites' robots.txt files — the highest share of any bot category. SEO audit tools follow at 13.2%, then SEO/search indexing at 12.6%.

Uniform per-agent rules lead DR Congo's robots.txt postures
| % of sites | |
|---|---|
| Uniform per-agent rules (no path mixing) | 39.6% |
| Path-level mixed rules for same agent | 35.1% |
| Allow-only (no disallow rules) | 2.9% |
| Mixed AI posture (block some, allow others) | 2.1% |
| Blanket Disallow: / | 2.8% |
80.4% of DR Congo sites have a robots.txt. Of those that do, 39.6% apply uniform per-agent rules and 35.1% use path-level mixed rules. Blanket Disallow and allow-only postures each sit below 3%.

GPTBot is DR Congo's most blocked and most explicitly allowed agent
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| GPTBot | 11% | 2.5% |
| CCBot | 9.2% | 0.7% |
| ClaudeBot | 8.2% | 1.3% |
| Google-Extended | 8.2% | 1.6% |
| Bytespider | 7.4% | 0.2% |
| meta-externalagent | 3.7% | 0.3% |
| ChatGPT-User | 5.4% | 2.5% |
| PerplexityBot | 6.2% | 2.5% |
| Applebot-Extended | 4.5% | — |
| OAI-SearchBot | 3.7% | 1.9% |
| anthropic-ai | 5.1% | 0.8% |
GPTBot is named in a Disallow rule on 11.0% of all DR Congo sites — the highest of any AI agent — and in an Allow rule on 2.5%. CCBot is the second most-blocked at 9.2%.

Multiple DR Congo sectors all name at least one bot to restrict
| % of sites | |
|---|---|
| Computer & Video Games | 100% |
| Customer Services | 100% |
| Design | 100% |
| Entertainment | 100% |
| Machinery | 100% |
| Retail | 100% |
| Adult | 90% |
| Agriculture | 90% |
| Biotech | 90% |
| Civil Engineering | 90% |
| Food & Beverages | 90% |
| General | 90% |
| Manufacturing | 90% |
| Mass Media | 90% |
| Medical Devices | 90% |
Computer & Video Games, Customer Services, Design, Entertainment, Machinery, and Retail each reach 100% — every site in these sectors names at least one bot in a Disallow rule. Agriculture, Biotech and others sit at 90%.

DR Congo's Airlines sites lead in explicitly allowing crawlers
| % of sites | |
|---|---|
| Airlines | 80% |
| Comics & Animation | 75% |
| Civil Engineering | 70% |
| Market Research | 70% |
| Museums | 70% |
| Photography | 70% |
| Publishing | 70% |
| Real Estate | 70% |
| Retail | 70% |
| Telecom | 70% |
| Visual Art | 70% |
| Aerospace & Defence | 60% |
| Automotive | 60% |
| Banking | 60% |
| Foreign Language | 60% |
Airlines reach 80% for explicit bot Allow rules — the highest of any sector. Comics & Animation follows at 75%. Civil Engineering, Market Research, Museums, Photography, Publishing, Real Estate, Telecom, and Visual Art each reach 70%.
Industry Patterns

Hospitality is DR Congo's hardest sector to access programmatically
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Hospitality | 100% | 20% | 0% | 70% | 30% | 30% | 50% | 10% | Tier 3 |
| Jewellery & Luxury | 90% | 40% | 0% | 30% | 20% | 30% | 70% | 10% | Tier 3 |
| Real Estate | 100% | 20% | 10% | 60% | 40% | 10% | 100% | 30% | Tier 2 |
| Sporting Goods | 80% | 20% | 30% | 20% | 10% | 20% | 70% | 0% | Tier 2 |
| Apparel & Fashion | 90% | 20% | 30% | 60% | 30% | 30% | 80% | 10% | Tier 2 |
| Human Resources | 100% | 60% | 50% | 50% | 40% | 30% | 80% | 10% | Tier 2 |
| Retail | 100% | 0% | 0% | 70% | 10% | 10% | 100% | 60% | Tier 2 |
| Computer Hardware | 90% | 20% | 0% | 30% | 20% | 40% | 80% | 10% | Tier 2 |
| Maritime | 70% | 20% | 0% | 30% | 10% | 30% | 70% | 10% | Tier 2 |
| Wholesalers | 80% | 20% | 30% | 60% | 20% | 30% | 80% | 0% | Tier 2 |
| Automotive | 100% | 20% | 0% | 20% | 20% | 20% | 80% | 10% | Tier 2 |
| Equipment & Supplies | 90% | 30% | 10% | 40% | 20% | 20% | 70% | 10% | Tier 2 |
| Food & Beverages | 100% | 30% | 30% | 50% | 10% | 20% | 90% | 20% | Tier 2 |
| Biotech | 100% | 30% | 50% | 70% | 10% | 10% | 90% | 30% | Tier 2 |
| Design | 100% | 20% | 30% | 40% | 20% | 30% | 100% | 30% | Tier 2 |
Hospitality posts the highest mean retrieval tier at 2.80. Jewellery & Luxury and Real Estate follow at 2.50. WAF coverage reaches 100% in seven of the fifteen hardest sectors.

Chemicals, Airlines, and Beauty & Cosmetics are DR Congo's most accessible sectors
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Furniture | 100% | 40% | 40% | 60% | 40% | 10% | 70% | 0% | Tier 2 |
| Manufacturing | 80% | 10% | 20% | 40% | 0% | 50% | 90% | 10% | Tier 2 |
| Pharmaceuticals | 100% | 20% | 20% | 60% | 30% | 10% | 50% | 0% | Tier 2 |
| Adult | 100% | 40% | 40% | 80% | 20% | 20% | 90% | 10% | Tier 2 |
| Banking | 100% | 40% | 10% | 30% | 10% | 10% | 80% | 0% | Tier 2 |
| Consumer Electronics | 80% | 20% | 10% | 40% | 10% | 40% | 80% | 10% | Tier 2 |
| Insurance | 80% | 20% | 10% | 10% | 10% | 30% | 70% | 0% | Tier 2 |
| Recruitment & Staffing | 100% | 30% | 50% | 30% | 0% | 10% | 90% | 10% | Tier 2 |
| Reference | 80% | 60% | 30% | 20% | 20% | 20% | 60% | 30% | Tier 2 |
| Science | 100% | 40% | 30% | 40% | 30% | 10% | 70% | 0% | Tier 2 |
| Transport & Logistics | 70% | 30% | 10% | 10% | 0% | 20% | 70% | 0% | Tier 2 |
| Advertising & Mktg | 100% | 20% | 50% | 40% | 0% | 30% | 90% | 10% | Tier 2 |
| Airlines | 90% | 10% | 10% | 40% | 30% | 30% | 90% | 30% | Tier 2 |
| Beauty & Cosmetics | 90% | 50% | 50% | 40% | 40% | 40% | 80% | 20% | Tier 2 |
| Chemicals | 90% | 10% | 30% | 60% | 10% | 30% | 90% | 0% | Tier 2 |
Chemicals, Airlines, and Beauty & Cosmetics share the lowest mean retrieval tier at 1.80 among the fifteen most accessible sectors. Advertising & Marketing also reaches 1.80, while most sectors in this group sit at 1.90.