Overview
JavaScript leads Manufacturing's secondary barrier stack above the norm
| Value | |
|---|---|
| WAF | 92% |
| Antibot | 20% |
| CAPTCHA | 19% |
| JavaScript | 45% |
| Rate Limiting | 24% |
| TLS | 18% |
WAF at 92% is the dominant barrier. JavaScript (45%) leads secondary coverage. The remaining barriers sit materially lower, giving Manufacturing a narrow but defined secondary layer.
Barrier Landscape
WAF leads Manufacturing at 92% — JavaScript is the main secondary layer
| Value | |
|---|---|
| WAF | 92% |
| Antibot | 20% |
| CAPTCHA | 19% |
| JavaScript | 45% |
| Rate Limiting | 24% |
| TLS | 18% |
| Has robots.txt | 75% |
| Blocks AI crawlers | 9% |
WAF dominates at 92%. JavaScript (45%) leads active secondary barriers, followed by Rate Limiting (24%). The remaining three barriers all sit at or below 20% — a concentrated rather than broadly stacked profile.
Two-barrier stacks are Manufacturing's most common security posture
| % of sites | |
|---|---|
| 0 barriers | 6% |
| 1 barrier | 27% |
| 2 barriers | 34% |
| 3 barriers | 16% |
| 4 barriers | 10% |
| 5 barriers | 7% |
| 6 barriers | 0% |
34% of Manufacturing sites carry exactly 2 barriers. 33% stack three or more. 6% carry none — a low share of unprotected sites for this sector.
Manufacturing is predominantly Easy to access — with a notable Moderate minority
| Mean recommended tier | |
|---|---|
| All sites | 1.79 |
A mean recommended tier of 1.79 and a median of Easy place Manufacturing around the middle of the sectors surveyed. 38% of sites are Simple to access; 11% require Moderate or above.
Easy is the most common access tier across Manufacturing sites
| % of sites | |
|---|---|
| 1 - Simple | 38% |
| 2 - Easy | 51% |
| 3 - Moderate | 6% |
| 4 - Complex | 4% |
| 5 - Advanced | 1% |
Easy (51%) is the most common tier. Simple and Easy together account for 89% of sites, while 6% land at Moderate and 5% at Complex or Advanced.
robots.txt
Three-quarters of Manufacturing sites publish a robots.txt
| % of sites | |
|---|---|
| Publish a valid robots.txt | 75% |
75% of Manufacturing sites have a valid robots.txt. The remaining 25% leave crawl policy entirely undefined — a meaningful gap for a sector of this scale.
Manufacturing's robots.txt files show moderate engagement with named bot policy
| % of sites | |
|---|---|
| 0 | 30% |
| 1 | 38% |
| 2–4 | 14% |
| 5–9 | 9% |
| 10–15 | 6% |
| 16+ | 3% |
A mean of 14.7 named agents reflects moderate bot-policy investment in Manufacturing. 30% of sites name no agents; 3% name 16 or more. The median of 1 stays low.
SEO audit tools and SEO / search indexing draw near-equal attention in Manufacturing robots.txt
| % of sites | |
|---|---|
| AI crawlers | 11% |
| SEO / search indexing | 12% |
| SEO audit tools | 14% |
| Commercial scrapers | 1% |
| Social / content scrapers | 0% |
| Archive / research crawlers | 3% |
| Monitoring / uptime bots | 0% |
SEO audit tools appears in 14% of Manufacturing sites; SEO / search indexing in 12%. 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 Manufacturing robots.txt files
| % of sites | |
|---|---|
| Uniform per-agent rules | 41% |
| Path-level mixed rules | 29% |
| Allow-only (no Disallow rules) | 4% |
| Mixed AI posture | 0% |
| Blanket Disallow: / | 1% |
Uniform per-agent rules lead at 41%, with path-level mixed rules at 29%. Mixed AI posture (0%) and blanket Disallow (1%) are minimal.
MJ12bot leads named Disallow rules in Manufacturing robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| * | 65% | 33% |
| Bingbot | 5% | 4% |
| MJ12bot | 7% | — |
| SemrushBot | 7% | — |
| GPTBot | 6% | 1% |
| AhrefsBot | 7% | — |
| Gigabot | 6% | — |
| AdsBot-Google | 3% | 3% |
| Amazonbot | 6% | — |
| CCBot | 6% | — |
| CazoodleBot | 5% | — |
| SeznamBot | 4% | 1% |
| Googlebot | 2% | 2% |
| DataForSeoBot | 4% | — |
| SEOkicks-Robot | 4% | — |
| naver | 3% | 1% |
| Yandex | 4% | — |
| Seekport Crawler | 3% | — |
| 360Spider | 3% | — |
| BuiltWith | 3% | — |
| Bytespider | 3% | — |
| HaosouSpider | 3% | — |
| Majestic SEO | 3% | — |
| Nutch | 3% | — |
| SEOkicks | 3% | — |
Values are percentages of all 100 Manufacturing sites surveyed. The wildcard (*) leads at 65% Disallow. Among named agents, MJ12bot, SemrushBot, AhrefsBot are the most frequently targeted — focused on non-AI crawlers.
Industry Cohort
Manufacturing is among the hardest sub-categories to access in Manufacturing & Logistics
| 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 |
A median tier of Easy and mean of 1.69 make Manufacturing one of the harder sectors within Manufacturing & Logistics to access programmatically. JavaScript (45%) is elevated in the cohort.