Websites using Facebook Login button
Facebook Login lets people sign in with their Facebook account. The sites whose source contains the code that reveals it are listed here once the index has been searched for it.
How is Facebook Login button detected?
The login button is a div with the class fb-login-button. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:
fb-login-button Search the index for it
A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About Facebook Login button
Top 50 websites using Facebook Login button
The list is computed from the index in the background and appears here shortly. Search for fb-login-button now.
Questions about finding Facebook Login button
- How does PageSourceSearch know a website uses Facebook Login button?
- By the source itself: The login button is a div with the class fb-login-button. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
- Is this a complete list of websites using Facebook Login button?
- No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of the websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
- How do I find websites that use Facebook Login button together with another technology?
- Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example fb-login-button with wp-content/plugins/ lists the WordPress sites that use Facebook Login button.