导航|地址|刷新
Edge Cache TTL

Skip to contentDocumentation Index
Fetch the complete documentation index at: https://developers.cloudflare.com/cache/llms.txt
Use this file to discover all available pages before exploring further.

Docs Directory API SDKs Changelog

Search

Log in

Cache / CDN

/

Overview

Plans

Get started

Concepts

CDN-Cache-Control

Cloudflare cache responses

Customize cache

Default cache behavior

Head Requests and Set-Cookie Headers

Origin Cache Control

Retention vs Freshness (TTL)

Revalidation

Vary

Cache configuration

Purge cache

Overview

Purge by single-file

Purge everything

Purge cache by cache-tags

Purge cache by hostname

Purge cache by prefix (URL)

Purge cache key resources

Purge varied images

Purge zone versions via API

Cache Response Rules

Overview

Create a rule in the dashboard

Create a rule via API

Terraform example

Available settings

Cache Rules

Overview

Create a rule in the dashboard

Create a rule via API

Terraform example

Available settings

Order and priority

Examples

Overview

Browser Cache TTL

Bypass Cache on Cookie

Cache by Device Type

Cache Deception Armor

Cache everything for hostnames in a list

Cache Everything while ignoring query strings

Cache Level (Cache Everything)

Cache TTL by status code

Custom Cache Key

Edge Cache TTL

Origin Cache Control

Query String Sort

Respect Strong ETags

Migration from Page Rules

Edge and Browser Cache TTL

Overview

Set Browser Cache TTL

Always Online

Cache by status code

Cache keys

Caching levels

Tiered Cache

Advanced configuration

Serving tailored content

Cache Reserve

Crawler Hints

Early Hints

Query String Sort

Vary for images

Performance review

Cache Analytics

Cache performance

Cache security

Avoid web cache poisoning

Cache Deception Armor

Cross-Origin Resource Sharing (CORS)

Reference

CDN Reference Architecture ↗

CSAM Scanning Tool

Development Mode

Using ETag Headers with Cloudflare

Interaction with Cloudflare products

Customize cache behavior with Workers

How Workers interact with Cache Rules

Enable cache in an R2 bucket

Control cache access with WAF and Snippets

Troubleshooting

Dynamic content and login issues

Issues with MP4 videos on iOS and Safari

Bot Management cookie causes cache bypass in O2O setups

edgeResponseBytes and cacheResponseBytes discrepancy

Always Online

Changelog

Glossary

Agent resources

Agent setup ↗

Cloudflare Skills ↗

Code Mode MCP Server ↗

Domain-specific MCP Servers ↗MCP

Cache llms.txt ↗

Cache llms-full.txt ↗

Cloudflare Docs llms.txt ↗

Cloudflare Docs llms-full.txt ↗

Home

/Cache / CDN

/…
Cache configurationCache Rules

/Examples

/Edge Cache TTL

Edge Cache TTL

Edge Cache TTL

Last updated Oct 13, 2025|Copy as Markdown|View as Markdown|Agent setup

Create a cache rule to adjust edge cache TTL for caching resources on Cloudflare edge to one day, for any hostname containing example.com:

When incoming requests match: Custom filter expression

Using the Expression Builder:
Hostname contains "example.com"

Using the Expression Editor:
(http.host contains "example.com")

Then:

Cache eligibility: Eligible for cache

Setting: Edge TTL
Ignore cache-control header and use this TTL
Input time-to-live (TTL): 1 day

PreviousCustom Cache KeyNextOrigin Cache Control

Was this helpful?

YesNo

Edit pageReport issue

On this page

Overview

Edit pageReport issue

Getting started
PlansContact salesPartnersFind a partnerStartupsUnder attack?Domain name search

Company
AboutCareersInvestorsPressPress kitGlobal network

Public interest
Project GalileoAthenian ProjectCloudflare for CampaignsProject FairshotImpact/ESG

Compliance
Compliance resourcesTrust HubData ProtectionResponsible AITransparency reportReport abuse

Resources
App innovation reportCloudflare RadarCase studiesStatusSupportEventsBlog

Developers
DocumentationLearning centerCommunity

Solutions
SSE and SASE platformCloudflare AI CloudAI SecurityFrontend Development PlatformMulti-Tenant Platform DevelopmentWeb Security Platform

Start BuildingLog In

© 2026 Cloudflare, Inc.

Privacy policy|Report security issues|Terms of use|Trademark
|
Your privacy choices

Docs

------
导航页打开网址