2020-01-22 Twitter rewrites your URLs, but assumes you’ll never rewrite theirs: more problems replaying archived Twitter
Figure 1: The tweet replayed in Internet Archives’s Wayback Machine has the t.co URI-M (“/web/20210106213519/https://t.co/Pm2PKV0Fp3”) displayed in the memento . URLs shared on Twitter are automatically shortened to t.co links . Twitter does this to track its engagements and also protect its users from sites with malicious content. Twitter replaces these t.co URLs with HTML that suggests the original URL so that the end-user does not see the t.co URLs while browsing. When these t.co URLs are replayed through web archives, they are rewritten to an archived URL (URI-M) and should be rendered in the web archives as in the live web, without displaying these t.co URI-Ms to the end-user. However, as shown in Figure 1, the tweet replayed in Internet Archive’s Wayback Machine has the t.co URI-Ms (or at least the relative URL, “/web/20210106213519/https://t.co/Pm2PKV0Fp3”) displayed in the tweet itself. We first noticed the t.co URL displayed in the memento while exploring the archived Twitte