Page Keep-Alive EN
Victor Z · Firefox
Prevents background tab throttling, stops unwanted logouts, overrides visibility APIs, and keeps screens awake.
<all_urls>),意味着它可以读取你在任意站点的页面内容,包括已登录的页面。这是许多扩展正常工作的必要条件,但也值得你确认来源可信。
简介
⚡ PAGE KEEP-ALIVE
Keep Your Tabs Working for You.
Do your browser tabs go idle while you're working elsewhere? Do supported web applications become less responsive when left in the background?
Page Keep-Alive helps counteract browser background throttling and maintain activity signals that supported web applications may rely on.
Designed for people who work with web applications throughout the day, Page Keep-Alive gives you control over background activity, site-specific behavior, and additional productivity features.
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⚡ FEATURES
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🔹 KEEP-ALIVE FOR INDIVIDUAL TABS
Activate Keep-Alive on the tabs you want to maintain. Continue working elsewhere in Firefox while Page Keep-Alive helps supported applications remain responsive.
🔹 HIGH PERFORMANCE MODE
Counteracts browser timer throttling and simulates visibility and focus signals used by supported web applications. This helps reduce interruptions caused by normal background-tab restrictions.
🔹 SITE-SPECIFIC SETTINGS — PRO
Configure individual websites with custom Keep-Alive behavior and activation delays.
🔹 AUTOMATIC URL RULES — PRO
Automatically activate Keep-Alive for websites that match your configured URL rules.
🔹 PER-SITE AUTO-CLICK — PRO
Configure automatic clicks for supported websites where periodic interaction is useful.
🔹 CUSTOM TIMER AND HEARTBEAT INTERVALS — PRO
Adjust timing behavior to suit your needs.
🔹 CLOCK INDICATOR CUSTOMIZATION — PRO
Customize the position of the on-screen Keep-Alive clock indicator.
🔹 WORK LOSS RECOVERY — PRO
Recover eligible text entered into supported text fields after an interruption.
Recovery data is stored locally in your browser, expires after 24 hours, and requires your confirmation before restoration. Sensitive fields are excluded, and recovery data is not transmitted to our servers.
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🆓 FREE FEATURES
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Page Keep-Alive is free to install and includes:
✓ Keep-Alive controls for individual tabs
✓ Global High Performance Mode
✓ Keyboard shortcuts
✓ Screen Wake Lock support where available
✓ Session statistics
✓ On-screen clock indicator
✓ No account required
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🚀 PRO SUBSCRIPTION
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Page Keep-Alive Pro adds more control over how Keep-Alive works across your browsing sessions.
Pro features include:
✓ Site-specific settings and overrides
✓ Automatic URL rules
✓ Per-site auto-click
✓ Custom timer and heartbeat intervals
✓ Clock indicator customization
✓ Work Loss Recovery
$2.99 USD per month
Your subscription renews monthly until canceled. You can manage or cancel your subscription through the subscription management option.
Existing Lifetime Customers
Customers who purchased a lifetime license before the subscription plan was introduced retain permanent access to their Pro features. Their licenses are never converted into subscriptions and require no additional payments.
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🔒 PRIVACY AND DATA
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Page Keep-Alive is designed to keep your browsing experience under your control.
✓ Work Loss Recovery data is stored locally in your browser.
✓ Recovery data expires after 24 hours.
✓ Sensitive fields are excluded from recovery.
✓ Restoration requires your confirmation.
✓ Recovery data is not transmitted to our servers.
The extension performs license validation for Pro functionality. License-related information is used to manage and protect access to subscription features. This is separate from Work Loss Recovery and does not include browsing history or general page contents.
Please consult the extension's Privacy Policy for additional details.
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ℹ IMPORTANT LIMITATION
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Page Keep-Alive can help counteract browser restrictions and maintain activity signals that supported applications may rely on.
It cannot guarantee that a website will keep a session alive. A website or server may independently expire a session, terminate a connection, or require authentication again.
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⚡ DESIGNED FOR YOUR WORKFLOW
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Whether you're using online productivity tools, dashboards, remote applications, or other web-based services, Page Keep-Alive gives you more control over background-tab activity.
Page Keep-Alive — Your tabs should work for you, not against you.
Page Keep-Alive 是做什么的
Page Keep-Alive 是一款面向 Firefox 的实用工具类扩展,主要用来解决浏览器里某类具体的小问题。官方对它的介绍是:Prevents background tab throttling, stops unwanted logouts, overrides visibility APIs, and keeps screens awake.在Firefox 附加组件商店(AMO)上,它当前版本 2.5.0,评分 5(1 人评价),约 191 名用户。
适合什么人用
从功能定位看,Page Keep-Alive 更适合想补上浏览器原生缺失功能的用户。如果你平时只是偶尔遇到相关需求,用浏览器自带功能也能凑合;但如果这件事每天都发生,装一个专门处理它的扩展通常比手动操作省事得多。需要注意的是它作用于所有网站,装上后建议先观察一两天,确认不影响常用站点的正常使用。
怎么安装 Page Keep-Alive
- 打开Firefox 附加组件商店(AMO)上的官方页面;
- 点「添加到浏览器」并确认权限提示;
- 装好后在扩展列表里固定图标,方便随时开关。
本站只做索引与介绍,安装包来自官方商店。如果商店页面提示当前地区不可用,说明该扩展未在你所在区域上架。
常见问题
Page Keep-Alive 是免费的吗?
Page Keep-Alive 在Firefox 附加组件商店(AMO)免费提供下载。它是浏览器扩展,装上就能直接用,不需要注册账号。
Page Keep-Alive 安全吗?
它只申请了 0 项权限,范围比较克制,没有申请「读取所有网站数据」这种大权限。
Page Keep-Alive 支持哪些浏览器?
当前收录的版本来自Firefox 附加组件商店(AMO),适用于 Firefox。同一个扩展在其他商店可能有对应版本,但功能与版本号不一定相同。
怎么卸载 Page Keep-Alive?
在扩展管理页找到 Page Keep-Alive,点移除即可。它在本地保存的设置会一起清掉,不会残留数据。
权限清单 来自 manifest.json 原文
站点访问 1
<all_urls>
接口权限 4
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