Archive.today uses headless browsing to record what embedded resources need to be captured to provide a high-quality memento, and creates a PNG image to provide a static and non-interactive visualization of the representation.
Archive.today can capture individual pages in response to explicit user requests.
Archive.today was founded in 2012. The site originally branded itself as archive.today, but in May 2015, changed the primary mirror to archive.is. In January 2019, it began to deprecate the archive.is domain in favor of the archive.today mirror.
According to GreatFire.org, archive.today has been blocked in China since March 2016, archive.li since September 2017, and archive.fo since July 2018.
On 21 July 2015, the operators blocked access to the service from all FinnishIP addresses, stating on Twitter that they did this in order to avoid escalating a dispute they allegedly had with the Finnish government.
Additionally, since late 2018, Archive.today has implemented a data cap limitation, presumably to help protect against denial-of-service attacks. Individual users can only archive and/or retrieve approximately 10 to 20 megabytes of data per day. After that limitation is reached, their web server blocks the individual user's IP address by no longer responding.
Archive.today records only text and images, excluding video, xml, rtf, spreadsheet (xls or ods) and other non-static content. It keeps track of the history of snapshots saved, returning to the user a request for confirmation before adding a new snapshot of an already saved Internet address.
Web pages cannot be duplicated from archive.is to web.archive.org as second-level backup, as archive.is places an exclusion for Wayback Machine[why?] and don't save its snapshots in WARC format. The reverse - from web.archive.org to archive.is - is possible, but the copy usually takes more time than a direct capture. Some web sites get deleted from Internet Archive's listings retroactively or blocked from being saved due to their robots.txt file, but Archive.today does not use this.
The research toolbar enables advanced keywords operators, using * as the wildcard character.
A couple of quotation marks address the search to an exact sequence of keywords present in the title or in the body of the webpage, whereas the insite operator restricts it to a specific Internet domain.
Once a web page is archived, it cannot be deleted directly by any Internet user.
While saving a dynamic list, archive.today searchbox shows only a result that links the previous and the following section of the list (e.g. 20 links for page). The other web pages saved are filtered, and sometimes may be found by one of their occurrences.
The search feature is backed by Google CustomSearch. If it delivers no results, archive.is attempts to utilize Yandex Search.
If a page has already been archived, archive.is asks the user to confirm archiving a new revision, instead of immediately archiving it.
One can download archived pages as a ZIP file, except pages archived since November 29th 2019, when Archive.Today changed their browser engine from PhantomJS to Chromium.