Overview
JavaScript leads Mail & Package Delivery's secondary barrier stack above the norm
| Value | |
|---|---|
| WAF | 91% |
| Antibot | 15% |
| CAPTCHA | 19% |
| JavaScript | 37% |
| Rate Limiting | 17% |
| TLS | 15% |
WAF at 91% is the dominant barrier. JavaScript (37%) leads secondary coverage. The remaining barriers sit materially lower, giving Mail & Package Delivery a narrow but defined secondary layer.
Barrier Landscape
WAF leads Mail & Package Delivery at 91% — JavaScript is the main secondary layer
| Value | |
|---|---|
| WAF | 91% |
| Antibot | 15% |
| CAPTCHA | 19% |
| JavaScript | 37% |
| Rate Limiting | 17% |
| TLS | 15% |
| Has robots.txt | 70% |
| Blocks AI crawlers | 3% |
WAF dominates at 91%. JavaScript (37%) leads active secondary barriers, followed by CAPTCHA (19%). The remaining three barriers all sit at or below 17% — a concentrated rather than broadly stacked profile.
Mail & Package Delivery's barrier counts are spread — no single configuration dominates
| % of sites | |
|---|---|
| 0 barriers | 6% |
| 1 barrier | 35% |
| 2 barriers | 35% |
| 3 barriers | 13% |
| 4 barriers | 5% |
| 5 barriers | 6% |
| 6 barriers | 0% |
Barrier counts vary widely across Mail & Package Delivery sites. Single-barrier configurations are the modal count at 35%, but the distribution is broad. 24% of sites carry three or more.
Mail & Package Delivery sites are predominantly Simple to access
| Mean recommended tier | |
|---|---|
| All sites | 1.30 |
A mean recommended tier of 1.30 and a median of Simple place Mail & Package Delivery toward the easier end of the sectors surveyed. 76% of sites are Simple to access; 4% require Moderate or above.
Simple tier covers more than three-quarters of Mail & Package Delivery sites
| % of sites | |
|---|---|
| 1 - Simple | 75.8% |
| 2 - Easy | 20.2% |
| 3 - Moderate | 3% |
| 4 - Complex | 0% |
| 5 - Advanced | 1% |
Simple (76%) is the most common tier. Simple and Easy together account for 96% of sites, while 3% land at Moderate and 1% at Complex or Advanced.
robots.txt
Around seven in ten of Mail & Package Delivery sites publish a robots.txt
| % of sites | |
|---|---|
| Publish a valid robots.txt | 70% |
70% of Mail & Package Delivery sites have a valid robots.txt. The remaining 30% leave crawl policy entirely undefined — a meaningful gap for a sector of this scale.
Most Mail & Package Delivery sites name one bot or none in their robots.txt
| % of sites | |
|---|---|
| 0 | 49% |
| 1 | 41% |
| 2–4 | 6% |
| 5–9 | 3% |
| 10–15 | 0% |
| 16+ | 1% |
49% of Mail & Package Delivery sites name zero agents and 41% name one. A mean of 1.1 is pulled up by a small number of sites with extensive policies, while the median stays at 1.
All bot categories receive minimal attention in Mail & Package Delivery robots.txt files
| % of sites | |
|---|---|
| AI crawlers | 3% |
| SEO / search indexing | 4% |
| SEO audit tools | 2% |
| Commercial scrapers | 0% |
| Social / content scrapers | 0% |
| Archive / research crawlers | 1% |
| Monitoring / uptime bots | 0% |
No bot category exceeds 4% mention rate across Mail & Package Delivery sites. SEO / search indexing leads at 4%, reflecting very low overall engagement with named bot policy in this sector.
Uniform per-agent rules dominate Mail & Package Delivery robots.txt files
| % of sites | |
|---|---|
| Uniform per-agent rules | 44% |
| Path-level mixed rules | 20% |
| Allow-only (no Disallow rules) | 6% |
| Mixed AI posture | 0% |
| Blanket Disallow: / | 0% |
Uniform per-agent rules lead at 44%, with path-level mixed rules at 20%. Mixed AI posture (0%) and blanket Disallow (0%) are minimal.
CCBot, GPTBot and Google-Extended lead named Disallow rules in Mail & Package Delivery robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| * | 44% | 25% |
| Googlebot | 1% | 2% |
| CCBot | 3% | — |
| GPTBot | 3% | — |
| Google-Extended | 3% | — |
| EmailCollector | 2% | — |
| SemrushBot | 2% | — |
| SemrushBot-SA | 2% | — |
| Amazonbot | 2% | — |
| Applebot-Extended | 2% | — |
| Bytespider | 2% | — |
| ClaudeBot | 2% | — |
| meta-externalagent | 2% | — |
| AdsBot-Google | 0% | 2% |
| TermlyBot | 0% | 2% |
| ia_archiver | 1% | — |
| Ask Jeeves/Teoma | 1% | — |
| Yahoo Slurp | 1% | — |
| bingbot | 1% | — |
| YandexMobileBot | 1% | — |
| AhrefsBot | 1% | — |
| BLEXBot | 1% | — |
| Barkrowler | 1% | — |
| DataForSeoBot | 1% | — |
| Ezoicbot | 1% | — |
Values are percentages of all 100 Mail & Package Delivery sites surveyed. The wildcard (*) leads at 44% Disallow. Among named agents, CCBot, GPTBot and Google-Extended share the top position, each named in a Disallow rule on 3% of all sites.
Industry Cohort
Mail & Package Delivery 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, Mail & Package Delivery's barrier rates are broadly in line with peers. WAF at 91%, JavaScript at 37%, and AI blocking at 3% all sit near the cohort median. Tier difficulty (mean 1.32) is below the group average.