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Two ways to use sitewarm
Open-source CLIWarm a CDN cache from your terminal or CI. Install it and warm your first URL.
Hosted cache warmingAutomate warming on every deploy and review HIT and MISS results.
Understand
Why cache warmingWhat happens to a CDN cache after a deploy or a purge, and what it costs.
Read why cache warming matters
Pricing
Learn
GlossaryCaching headers, CDN concepts and purging, with sources.
BlogArticles on cache warming and CDN caching.
For LLMs
llms.txtThe site as plain text for language models.
Popular terms
Cache warming
Cache-Control
s-maxage
Cache invalidation (purge)
Tiered caching
Glossary · 34 terms · updated 18 October 2026
CDN caching glossary
Definitions of HTTP caching headers, CDN concepts and purging, each with RFC and CDN sources.
Browse the glossary
See all glossary terms

Legal

Last updated: 2026-10-21

The documents that govern the hosted sitewarm service.

Documents

Terms of ServiceThe agreement for using the hosted sitewarm service.
Privacy PolicyWhat personal data sitewarm collects, why, and your choices.
Cookie PolicyThe cookies sitewarm sets and what each one is for.
Sub-processorsThe third-party companies that process data to run sitewarm.
SecurityHow sitewarm is hosted and secured, and how to report a vulnerability.

sitewarm is operated by Clarivo, Inc., a Delaware corporation.

c/o Legalinc Corporate Services Inc., 131 Continental Dr, Suite 305, Newark, DE 19713

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Why cache warming
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Contact
- security@sitewarm.dev
- privacy@sitewarm.dev

Trust

Security
Planned measurement regions
Sub-processors

Legal

Terms
Privacy
Cookies

Resources

Glossary
Blog
Cache warming
Cache-Control
s-maxage
Cache invalidation (purge)
Tiered caching
Full text for LLMs

sitewarm is a product of Clarivo, Inc., a Delaware corporation.

c/o Legalinc Corporate Services Inc., 131 Continental Dr, Suite 305, Newark, DE 19713

© 2026 Clarivo, Inc.

The sitewarm command-line tool is open source under the Apache License 2.0, in the public repository. The hosted app and API are proprietary. See what is open source.

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