# https://and-pro.jp/llms.txt

user-agent: *
Allow: /

# License
x-content-license: "(c) and-pro.jp. All rights reserved."
x-ai-training-policy: "allowed"
x-ai-reference-policy: "allowed"
x-data-usage-policy: "reference-and-training"

# Rate Limits
crawl-delay: 1
x-rate-limit: 60
x-rate-limit-window: 60
x-rate-limit-policy: "strict"
x-rate-limit-retry: "no-retry"
x-rate-limit-description: "Maximum 60 requests per 60 seconds. If rate limit is exceeded, do not retry and move on to next request."

# Concurrency Limits
x-concurrency-limit: 3
x-concurrency-limit-description: "Please limit concurrent requests to a maximum of 3. This helps us manage server load."

# Error Handling and Retry Policy
x-error-retry-policy: "exponential-backoff"
x-error-retry-policy-description: "For transient errors (5xx except 429), implement exponential backoff with initial wait of 2 seconds, doubling on each retry, with maximum 5 retries."
x-rate-limit-exceeded-policy: "wait-and-retry"
x-rate-limit-exceeded-policy-description: "When receiving HTTP 429 (Too Many Requests), do not retry immediately. Wait at least 60 seconds before attempting the request again."
x-max-retries: 5
x-retry-status-codes:
  - 500
  - 502
  - 503
  - 504
x-no-immediate-retry-status-codes:
  - 429
x-no-retry-status-codes:
  - 403
  - 404

# Sitemap
# allow: /sitemaps/
# x-sitemap: https://and-pro.jp/sitemap.xml

x-sitemap-format: xml
x-sitemap-structure: "modular"
x-sitemap-description: "Multiple sitemaps are provided for different sections: articles, blog, and news."
x-sitemap-retention: "long-term"
x-sitemap-retention-description: "Each sitemap is updated monthly and retained long-term to preserve historical structure."