Overview

JavaScript and CAPTCHA both elevate Warehousing's active barrier profile
| Value | |
|---|---|
| WAF | 98% |
| Antibot | 18% |
| CAPTCHA | 27% |
| JavaScript | 38% |
| Rate Limiting | 22% |
| TLS | 8% |
WAF leads at 98%. JavaScript (38%) and CAPTCHA (27%) together form a multi-layer active stack — more than most sectors deploy alongside WAF.
Barrier Landscape

WAF leads Warehousing at 98% — JavaScript is the main secondary layer
| Value | |
|---|---|
| WAF | 98% |
| Antibot | 18% |
| CAPTCHA | 27% |
| JavaScript | 38% |
| Rate Limiting | 22% |
| TLS | 8% |
| Has robots.txt | 75% |
| Blocks AI crawlers | 4% |
WAF dominates at 98%. JavaScript (38%) leads active secondary barriers, followed by CAPTCHA (27%). The remaining three barriers all sit at or below 22% — a concentrated rather than broadly stacked profile.

Warehousing's barrier counts are spread — no single configuration dominates
| % of sites | |
|---|---|
| 0 barriers | 2% |
| 1 barrier | 37% |
| 2 barriers | 33% |
| 3 barriers | 12% |
| 4 barriers | 8% |
| 5 barriers | 8% |
| 6 barriers | 0% |
Barrier counts vary widely across Warehousing sites. Single-barrier configurations are the modal count at 37%, but the distribution is broad. 28% of sites carry three or more.

Warehousing sites are predominantly Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.31 |
A mean recommended tier of 1.31 and a median of Simple place Warehousing toward the easier end of the sectors surveyed. 75% of sites are Simple to access; 4% require Moderate or above.

Simple tier covers more than three-quarters of Warehousing sites
| % of sites | |
|---|---|
| 1 - Simple | 74.7% |
| 2 - Easy | 21.2% |
| 3 - Moderate | 2% |
| 4 - Complex | 2% |
| 5 - Advanced | 0% |
Simple (75%) is the most common tier. Simple and Easy together account for 96% of sites, while 2% land at Moderate and 2% at Complex or Advanced.
robots.txt

Around three-quarters of Warehousing sites publish a robots.txt
| % of sites | |
|---|---|
| Publish a valid robots.txt | 75% |
75% of Warehousing sites have a valid robots.txt. The remaining 25% leave crawl policy entirely undefined — a meaningful gap for a sector of this scale.

Warehousing sites name a handful of agents in robots.txt — few commit to comprehensive policies
| % of sites | |
|---|---|
| 0 | 35% |
| 1 | 44% |
| 2–4 | 11% |
| 5–9 | 6% |
| 10–15 | 2% |
| 16+ | 2% |
The mean of 2.2 named agents reflects limited bot-policy investment in Warehousing. 35% of sites name no agents; 44% name exactly one. Only 2% maintain a list of 16 or more named bots.

SEO audit tools and AI crawlers draw near-equal attention in Warehousing robots.txt
| % of sites | |
|---|---|
| AI crawlers | 6% |
| SEO / search indexing | 5% |
| SEO audit tools | 9% |
| Commercial scrapers | 1% |
| Social / content scrapers | 0% |
| Archive / research crawlers | 0% |
| Monitoring / uptime bots | 0% |
SEO audit tools appears in 9% of Warehousing sites; AI crawlers in 6%. The near-equal split reflects a sector that treats both categories with comparable priority. Figures are percentages of all 100 sites.

Uniform per-agent rules dominate Warehousing robots.txt files
| % of sites | |
|---|---|
| Uniform per-agent rules | 46% |
| Path-level mixed rules | 25% |
| Allow-only (no Disallow rules) | 4% |
| Mixed AI posture | 0% |
| Blanket Disallow: / | 0% |
Uniform per-agent rules lead at 46%, with path-level mixed rules at 25%. Mixed AI posture (0%) and blanket Disallow (0%) are minimal.

AhrefsBot leads named Disallow rules in Warehousing robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| * | 59% | 29% |
| AhrefsBot | 6% | 1% |
| GPTBot | 4% | 1% |
| AhrefsSiteAudit | 5% | — |
| Yandex | 4% | — |
| Nutch | 4% | — |
| adsbot-google | 4% | — |
| Amazonbot | 3% | — |
| ClaudeBot | 3% | — |
| Googlebot | 2% | 1% |
| BLEXBot | 2% | — |
| PetalBot | 2% | — |
| SemrushBot | 2% | — |
| Baiduspider | 2% | — |
| ChatGPT-User | 1% | 1% |
| Google-Extended | 2% | — |
| PerplexityBot | 1% | 1% |
| sogou spider | 2% | — |
| SemrushBot-SA | 1% | 1% |
| CCBot | 1% | 1% |
| Linguee | 1% | — |
| MegaIndex | 1% | — |
| serpstatbot | 1% | — |
| 360Spider | 1% | — |
| AdsBot-Google | 1% | — |
Values are percentages of all 100 Warehousing sites surveyed. The wildcard (*) leads at 59% Disallow. Among named agents, AhrefsBot leads the Disallow list at 6%, followed by AhrefsSiteAudit at 5%.
Industry Cohort

Warehousing sits mid-table within the Manufacturing & Logistics cohort
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Aerospace & Defense | 87% | 17% | 26% | 36% | 21% | 15% | 67% | 6% | Tier 1 |
| Chemicals | 83% | 8% | 19% | 31% | 7% | 8% | 71% | 8% | Tier 1 |
| Civil Engineering | 89% | 13% | 22% | 38% | 19% | 14% | 60% | 5% | Tier 1 |
| Import & Export | 93% | 19% | 17% | 35% | 17% | 13% | 69% | 6% | Tier 1 |
| Machinery | 91% | 13% | 17% | 49% | 20% | 15% | 80% | 10% | Tier 2 |
| Mail & Package Delivery | 91% | 15% | 19% | 37% | 17% | 15% | 70% | 3% | Tier 1 |
| Manufacturing | 92% | 20% | 19% | 45% | 24% | 18% | 75% | 9% | Tier 2 |
| Maritime | 87% | 22% | 24% | 41% | 19% | 12% | 62% | 8% | Tier 1 |
| Metals & Mining | 87% | 26% | 30% | 39% | 25% | 16% | 72% | 4% | Tier 1 |
| Plastics & Polymers | 98% | 10% | 29% | 34% | 13% | 10% | 80% | 4% | Tier 1 |
| Transportation & Logistics | 78% | 15% | 16% | 35% | 17% | 18% | 67% | 2% | Tier 1 |
| Warehousing | 98% | 18% | 27% | 38% | 22% | 8% | 75% | 4% | Tier 1 |
Across Manufacturing & Logistics, Warehousing's barrier rates are broadly in line with peers. WAF at 98%, JavaScript at 38%, and AI blocking at 4% all sit near the cohort median. Tier difficulty (mean 1.33) is above the group average.