Travel to the past of the web by right-clicking pages and links.

Memento Time Travel - Firefox Add-on
Memento Time Travel is a Firefox add-on that allows seamless navigation between the present web and the web of the past. By right-clicking pages and links, you can explore what they looked like at different points in time using web archives from around the world.
Add-on stats
Manifest V2
By: Harihar Shankar
Rating: 3.25
(4)
Weekly download count: 6
Firefox on Android: Yes
Permissions:
- *://*/*
- <all_urls>
- contextMenus
- storage
- webRequest
- webNavigation
- webRequestBlocking
Size: 619.15K
Email: me*****@googlegroups.com
Full description: See detailed description
Ranking
User reviews
by 敬念法轮大法好远离瘟疫, 2025-02-18
Great project! How alive is it?
If the add-on does not work and shows blank Aggregator/Archive in preferences, edit and enter this url:
https(colon)//timetravel(dot)mementoweb(dot)org/timegate/
I found the link at the bottom of official page:
https(colon)//mementoweb(dot)org/depot/
I also contacted developers in hopes of getting a fix.
by ljubitje, 2024-09-25
Works OK, but only on desktop, not mobile. It's nice to have this feature in the browser, instead of using mementoweb.org. It's even better when the target web site supports the memento protocol (RFC 7089). This add-on's user interface is a little clumsy, with choice of desired date/time in one place, and choice of actions to perform in a different place. (Actions are in a context menu, reached by control-click on a link or in the page, and selection of date/time is in a different menu behind an icon in the top bar of the browser.)
by Firefox user 15365736, 2020-01-19
Add-on safety
Risk impact
Memento Time Travel requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Memento Time Travel. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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