Overview

JavaScript leads Computers & Electronics's secondary barrier stack above the norm
| Value | |
|---|---|
| WAF | 86% |
| Antibot | 13% |
| CAPTCHA | 17% |
| JavaScript | 34% |
| Rate Limiting | 18% |
| TLS | 15% |
WAF at 86% is the dominant barrier. JavaScript (34%) leads secondary coverage. The remaining barriers sit materially lower, giving Computers & Electronics a narrow but defined secondary layer.
Barrier Landscape

WAF leads Computers & Electronics at 86% — JavaScript is the main secondary layer
| Value | |
|---|---|
| WAF | 86% |
| Antibot | 13% |
| CAPTCHA | 17% |
| JavaScript | 34% |
| Rate Limiting | 18% |
| TLS | 15% |
| Has robots.txt | 73% |
| Blocks AI crawlers | 9% |
WAF dominates at 86%. JavaScript (34%) leads active secondary barriers, followed by Rate Limiting (18%). The remaining three barriers all sit at or below 17% — a concentrated rather than broadly stacked profile.

Computers & Electronics's barrier counts are spread — no single configuration dominates
| % of sites | |
|---|---|
| 0 barriers | 9% |
| 1 barrier | 39% |
| 2 barriers | 28% |
| 3 barriers | 13% |
| 4 barriers | 6% |
| 5 barriers | 5% |
| 6 barriers | 0% |
Barrier counts vary widely across Computers & Electronics sites. Single-barrier configurations are the modal count at 39%, but the distribution is broad. 24% of sites carry three or more.

Simple is the dominant access tier across Computers & Electronics — with a significant Easy share
| Mean recommended tier | |
|---|---|
| All sites | 1.74 |
A mean recommended tier of 1.74 and a median of Easy place Computers & Electronics around the middle of the sectors surveyed. 47% of sites are Simple to access; 13% require Moderate or above.

Simple is the dominant tier in Computers & Electronics, but Easy accounts for a significant share
| % of sites | |
|---|---|
| 1 - Simple | 47% |
| 2 - Easy | 40% |
| 3 - Moderate | 8% |
| 4 - Complex | 2% |
| 5 - Advanced | 3% |
Simple (47%) is the most common tier. Simple and Easy together account for 87% of sites, while 8% land at Moderate and 5% at Complex or Advanced.
robots.txt

Around three-quarters of Computers & Electronics sites publish a robots.txt
| % of sites | |
|---|---|
| Publish a valid robots.txt | 73% |
73% of Computers & Electronics sites have a valid robots.txt. The remaining 27% leave crawl policy entirely undefined — a meaningful gap for a sector of this scale.

Computers & Electronics's robots.txt files show moderate engagement with named bot policy
| % of sites | |
|---|---|
| 0 | 36% |
| 1 | 33% |
| 2–4 | 12% |
| 5–9 | 10% |
| 10–15 | 3% |
| 16+ | 6% |
A mean of 11.6 named agents reflects moderate bot-policy investment in Computers & Electronics. 36% of sites name no agents; 6% name 16 or more. The median of 1 suggests a bimodal split.

SEO audit tools and AI crawlers draw near-equal attention in Computers & Electronics robots.txt
| % of sites | |
|---|---|
| AI crawlers | 11% |
| SEO / search indexing | 10% |
| SEO audit tools | 13% |
| Commercial scrapers | 2% |
| Social / content scrapers | 1% |
| Archive / research crawlers | 4% |
| Monitoring / uptime bots | 1% |
SEO audit tools appears in 13% of Computers & Electronics sites; AI crawlers in 11%. 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 Computers & Electronics robots.txt files
| % of sites | |
|---|---|
| Uniform per-agent rules | 47% |
| Path-level mixed rules | 23% |
| Allow-only (no Disallow rules) | 3% |
| Mixed AI posture | 1% |
| Blanket Disallow: / | 0% |
Uniform per-agent rules lead at 47%, with path-level mixed rules at 23%. Mixed AI posture (1%) and blanket Disallow (0%) are minimal.

AhrefsBot leads named Disallow rules in Computers & Electronics robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| * | 57% | 26% |
| GPTBot | 6% | 3% |
| AhrefsBot | 8% | — |
| Nutch | 7% | — |
| MJ12bot | 7% | — |
| CCBot | 5% | 1% |
| Amazonbot | 4% | 1% |
| ClaudeBot | 3% | 2% |
| Google-Extended | 3% | 2% |
| Bytespider | 4% | — |
| meta-externalagent | 3% | 1% |
| SeznamBot | 3% | 1% |
| Teleport | 4% | — |
| TeleportPro | 4% | — |
| WebBandit | 4% | — |
| WebCopier | 4% | — |
| WebStripper | 4% | — |
| naver | 4% | — |
| Gigabot | 4% | — |
| Googlebot | 3% | 1% |
| Googlebot-Image | 2% | 2% |
| AdsBot-Google | 2% | 2% |
| Applebot-Extended | 3% | — |
| Alexibot | 3% | — |
| Barkrowler | 3% | — |
Values are percentages of all 100 Computers & Electronics sites surveyed. The wildcard (*) leads at 57% Disallow. Among named agents, AhrefsBot, Nutch, MJ12bot are the most frequently targeted — focused on non-AI crawlers.
Industry Cohort

Computers & Electronics sits mid-table within the Retail & E-commerce cohort
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Apparel & Fashion | 91% | 21% | 15% | 49% | 54% | 32% | 69% | 4% | Tier 3 |
| Beauty & Cosmetics | 91% | 30% | 36% | 40% | 31% | 30% | 76% | 13% | Tier 2 |
| Computer & Video Games | 94% | 27% | 26% | 44% | 22% | 13% | 81% | 23% | Tier 1 |
| Computer Hardware | 93% | 30% | 20% | 42% | 33% | 15% | 73% | 13% | Tier 2 |
| Computers & Electronics | 86% | 13% | 17% | 34% | 18% | 15% | 73% | 9% | Tier 2 |
| Consumer Electronics | 92% | 27% | 27% | 46% | 29% | 20% | 83% | 9% | Tier 2 |
| Equipment & Supplies | 96% | 27% | 31% | 41% | 26% | 14% | 68% | 8% | Tier 2 |
| Food & Beverages | 92% | 24% | 26% | 51% | 31% | 11% | 68% | 23% | Tier 2 |
| Furniture | 97% | 33% | 28% | 49% | 40% | 21% | 67% | 5% | Tier 2 |
| Jewelry & Luxury | 83% | 28% | 23% | 41% | 42% | 34% | 80% | 9% | Tier 2 |
| Packaging & Containers | 95% | 18% | 35% | 42% | 17% | 11% | 80% | 6% | Tier 1 |
| Retail | 96% | 19% | 15% | 51% | 33% | 20% | 85% | 29% | Tier 2 |
| Sporting Goods | 89% | 26% | 24% | 41% | 49% | 32% | 78% | 7% | Tier 2 |
| Sports | 98% | 11% | 15% | 61% | 23% | 11% | 89% | 33% | Tier 1 |
| Textiles & Nonwovens | 92% | 6% | 38% | 35% | 17% | 14% | 78% | 7% | Tier 1 |
| Tobacco | 98% | 30% | 52% | 38% | 30% | 15% | 76% | 3% | Tier 1 |
| Wholesalers & Liquidators | 94% | 24% | 22% | 44% | 30% | 13% | 80% | 7% | Tier 2 |
| Wine & Spirits | 95% | 24% | 28% | 47% | 32% | 15% | 84% | 14% | Tier 1 |
Across Retail & E-commerce, Computers & Electronics's barrier rates are broadly in line with peers. WAF at 86%, JavaScript at 34%, and AI blocking at 9% all sit near the cohort median. Tier difficulty (mean 1.61) is below the group average.