How to use this page
Our guides explain concepts in plain language. Where a topic is governed by law, standards or official documentation, the original source is the authority. The links below are starting points. We recommend reading the current version directly and, for legal questions, consulting a qualified professional.
Marketing, email and messaging
- FTC: CAN-SPAM Act compliance guide for business. Explains the United States requirements for commercial email. https://www.ftc.gov/business-guidance/resources/can-spam-act-compliance-guide-business
- FCC: Stop unwanted robocalls and texts. Consumer guidance from the US regulator on calls and texts. https://www.fcc.gov/consumers/guides/stop-unwanted-robocalls-and-texts
- Google: Email sender guidelines. Requirements from a major mailbox provider, including authentication for bulk senders. https://support.google.com/a/answer/81126
Privacy and data protection
- General Data Protection Regulation (EU) 2016/679. The full legal text. https://eur-lex.europa.eu/eli/reg/2016/679/oj
Advertising disclosures and reviews
- FTC: Disclosures 101 for social media influencers. Practical guidance on disclosing material connections. https://www.ftc.gov/business-guidance/resources/disclosures-101-social-media-influencers
Search, structured data and accessibility
- Google Search Central: SEO starter guide. https://developers.google.com/search/docs/fundamentals/seo-starter-guide
- Google Search Central: Introduction to structured data. https://developers.google.com/search/docs/appearance/structured-data/intro-structured-data
- Schema.org. The vocabulary used for structured data. https://schema.org/
- W3C Web Content Accessibility Guidelines (WCAG). https://www.w3.org/WAI/standards-guidelines/wcag/
Artificial intelligence
- NIST AI Risk Management Framework. A voluntary framework for managing AI risks. https://www.nist.gov/itl/ai-risk-management-framework
Notes on these references
- We list authorities rather than secondary commentary, so readers can check the original text.
- Links to external sites are provided for information. We do not control their content, and pages can move or change.
- Vendor documentation is the source for any statement about a specific product's features or pricing. We do not reproduce it here because it changes frequently.
- If you find a broken link or a reference that has been superseded, please let us know.
Our approach to research and corrections is described in the editorial policy.