# As a condition of accessing this website, you agree to
# abide by the following content signals:
# (a) If a content-signal = yes, you may collect content
# for the corresponding use.
# (b) If a content-signal = no, you may not collect content
# for the corresponding use.
# (c) If the website operator does not include a content
# signal for a corresponding use, the website operator
# neither grants nor restricts permission via content signal
# with respect to the corresponding use.
# The content signals and their meanings are:
# search: building a search index and providing search
# results (e.g., returning hyperlinks and short excerpts
# from your website's contents). Search does not include
# providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models
# (e.g., retrieval augmented generation, grounding, or other
# real-time taking of content for generative AI search
# answers).
# ai-train: training or fine-tuning AI models.
# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS
# RESERVATIONS OF RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN
# UNION DIRECTIVE 2019/790 ON COPYRIGHT AND RELATED RIGHTS
# IN THE DIGITAL SINGLE MARKET.
User-Agent: *
Content-Signal: ai-train=no, search=yes, ai-input=yes
Allow: /
# Failure to comply with robots.txt; notorious AI bots
# (we recommend blocking them in your WAF as well)
User-Agent: Bytespider
Content-Signal: ai-train=no, search=no, ai-input=no
Disallow: /
# Grants permission to specific search engines to
# index for Search, but not for AI Training.
User-Agent: googlebot
Content-Signal: ai-train=no, search=yes, ai-input=yes
Allow: /
User-Agent: bingbot
Content-Signal: ai-train=no, search=yes, ai-input=yes
Allow: /
User-Agent: OAI-Searchbot
Content-Signal: ai-train=no, search=yes, ai-input=yes
Allow: /
Sitemap: https://bird.xmsl.dev/sitemap.xml
我们当前正在使用的 robots.txt (仅供参考),完整文档可参见: https://contentsignals.org/
contentsignals.org
Content Signals
An up-to-date guide to the IETF's proposed new AI Preferences (aipref): a new way for website publishers to control how automated systems use their content.
May 2, 2026 233