ActBlue is an online fundraising platform that facilitates secure donations to Democratic candidates and progressive causes, streamlining the process of processing and distributing campaign contributions.
Apache is a free and open-source cross-platform web server software.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.