Overview
JavaScript leads Renewable Energy's secondary barrier stack above the norm
| Value | |
|---|---|
| WAF | 89% |
| Antibot | 14% |
| CAPTCHA | 16% |
| JavaScript | 38% |
| Rate Limiting | 15% |
| TLS | 11% |
WAF at 89% is the dominant barrier. JavaScript (38%) leads secondary coverage. The remaining barriers sit materially lower, giving Renewable Energy a narrow but defined secondary layer.
Barrier Landscape
WAF leads Renewable Energy at 89% — JavaScript is the main secondary layer
| Value | |
|---|---|
| WAF | 89% |
| Antibot | 14% |
| CAPTCHA | 16% |
| JavaScript | 38% |
| Rate Limiting | 15% |
| TLS | 11% |
| Has robots.txt | 78% |
| Blocks AI crawlers | 5% |
WAF dominates at 89%. JavaScript (38%) leads active secondary barriers, followed by CAPTCHA (16%). The remaining three barriers all sit at or below 15% — a concentrated rather than broadly stacked profile.
Renewable Energy's barrier counts are spread — no single configuration dominates
| % of sites | |
|---|---|
| 0 barriers | 8% |
| 1 barrier | 36% |
| 2 barriers | 32% |
| 3 barriers | 18% |
| 4 barriers | 1% |
| 5 barriers | 5% |
| 6 barriers | 0% |
Barrier counts vary widely across Renewable Energy sites. Single-barrier configurations are the modal count at 36%, but the distribution is broad. 24% of sites carry three or more.
Simple is the dominant access tier across Renewable Energy
| Mean recommended tier | |
|---|---|
| All sites | 1.51 |
A mean recommended tier of 1.51 and a median of Simple place Renewable Energy toward the easier end of the sectors surveyed. 68% of sites are Simple to access; 10% require Moderate or above.
Simple tier covers more than two-thirds of Renewable Energy sites
| % of sites | |
|---|---|
| 1 - Simple | 68% |
| 2 - Easy | 22% |
| 3 - Moderate | 4% |
| 4 - Complex | 3% |
| 5 - Advanced | 3% |
Simple (68%) is the most common tier. Simple and Easy together account for 90% of sites, while 4% land at Moderate and 6% at Complex or Advanced.
robots.txt
Nearly four in five of Renewable Energy sites publish a robots.txt
| % of sites | |
|---|---|
| Publish a valid robots.txt | 78% |
78% of Renewable Energy sites have a valid robots.txt. The remaining 22% leave crawl policy entirely undefined — a meaningful gap for a sector of this scale.
Renewable Energy sites name a handful of agents in robots.txt — few commit to comprehensive policies
| % of sites | |
|---|---|
| 0 | 31% |
| 1 | 49% |
| 2–4 | 10% |
| 5–9 | 4% |
| 10–15 | 0% |
| 16+ | 6% |
The mean of 4.2 named agents reflects limited bot-policy investment in Renewable Energy. 31% of sites name no agents; 49% name exactly one. Only 6% maintain a list of 16 or more named bots.
SEO audit tools lead Renewable Energy's robots.txt mentions ahead of AI crawlers
| % of sites | |
|---|---|
| AI crawlers | 6% |
| SEO / search indexing | 6% |
| SEO audit tools | 12% |
| Commercial scrapers | 1% |
| Social / content scrapers | 1% |
| Archive / research crawlers | 3% |
| Monitoring / uptime bots | 0% |
SEO audit tools are mentioned by 12% of Renewable Energy sites — the leading bot category, ahead of AI crawlers at 6%. Figures are percentages of all 100 sites surveyed.
Uniform per-agent rules dominate Renewable Energy robots.txt files
| % of sites | |
|---|---|
| Uniform per-agent rules | 41% |
| Path-level mixed rules | 27% |
| Allow-only (no Disallow rules) | 10% |
| Mixed AI posture | 0% |
| Blanket Disallow: / | 0% |
Uniform per-agent rules lead at 41%, with path-level mixed rules at 27%. Mixed AI posture (0%) and blanket Disallow (0%) are minimal.
MJ12bot leads named Disallow rules in Renewable Energy robots.txt
| Disallowed | Allowed (whitelisted) | |
|---|---|---|
| * | 54% | 34% |
| MJ12bot | 8% | — |
| AhrefsBot | 6% | 1% |
| AhrefsSiteAudit | 3% | 1% |
| Nutch | 4% | — |
| BLEXBot | 3% | — |
| SemrushBot | 3% | — |
| SiteSnagger | 3% | — |
| Teleport | 3% | — |
| TeleportPro | 3% | — |
| WebCopier | 3% | — |
| WebStripper | 3% | — |
| grub-client | 3% | — |
| larbin | 3% | — |
| Googlebot-Image | 2% | 1% |
| Googlebot | 1% | 1% |
| adsbot-google | 2% | — |
| ClaudeBot | 1% | 1% |
| Pinterestbot | 1% | 1% |
| Fetch | 2% | — |
| WebReaper | 2% | — |
| WebZIP | 2% | — |
| Xenu | 2% | — |
| Zealbot | 2% | — |
| ZyBORG | 2% | — |
Values are percentages of all 100 Renewable Energy sites surveyed. The wildcard (*) leads at 54% Disallow. Among named agents, MJ12bot, AhrefsBot, Nutch are the most frequently targeted — focused on non-AI crawlers.
Industry Cohort
Renewable Energy leads the Energy & Utilities cohort on AI-blocking policy
| WAF | Antibot | CAPTCHA | JavaScript | Rate Limit | TLS | robots.txt | Blocks AI | Tier | |
|---|---|---|---|---|---|---|---|---|---|
| Oil & Gas | 86% | 15% | 17% | 38% | 15% | 12% | 59% | 4% | Tier 1 |
| Public Utility | 83% | 19% | 13% | 37% | 17% | 10% | 53% | 3% | Tier 1 |
| Renewable Energy | 89% | 14% | 16% | 38% | 15% | 11% | 78% | 5% | Tier 1 |
Renewable Energy's 5% AI-blocking rate in robots.txt is the highest in the Energy & Utilities cohort. WAF (89%) and JavaScript (38%) sit at the cohort on technical barriers.