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  2. Facebook onion address - Wikipedia

    en.wikipedia.org/wiki/Facebook_onion_address

    The site also makes it easier for Facebook to differentiate between accounts that have been caught up in a botnet and those that legitimately access Facebook through Tor. [6] As of its 2014 release, the site was still in early stages, with much work remaining to polish the code for Tor access.

  3. List of websites blocked in mainland China - Wikipedia

    en.wikipedia.org/wiki/List_of_websites_blocked...

    Chinese Firewall Test - Instantly test if a URL is blocked by the Great Firewall of China in real time. Tests for both symptoms of DNS poisoning and HTTP blocking from a number of locations within mainland China. China Firewall Test - Test if any domain is DNS poisoned in China in real-time. DNS poisoning is one way in which websites can be ...

  4. Censorship by Facebook - Wikipedia

    en.wikipedia.org/wiki/Censorship_by_Facebook

    In October 2020, Facebook is said to have censored a claim the COVID-19 vaccines were imminent. [12] On 2 November 2021, The BMJ published a piece by journalist Paul D. Thacker alleging there has been "poor practice" at Ventavia, one of the companies involved in the phase III evaluation trials of the Pfizer vaccine.

  5. 2021 Facebook outage - Wikipedia

    en.wikipedia.org/wiki/2021_Facebook_outage

    CNBC reported that the outage was the worst experienced by Facebook since 2008. [21] During the day of the outage, shares in the company dropped by nearly 5% and Facebook CEO Mark Zuckerberg's wealth fell by more than $6 billion. [21] [22] [23] According to a report produced by Fortune and Snopes, Facebook lost at least $60 million in ...

  6. Web crawler - Wikipedia

    en.wikipedia.org/wiki/Web_crawler

    A Web crawler starts with a list of URLs to visit. Those first URLs are called the seeds.As the crawler visits these URLs, by communicating with web servers that respond to those URLs, it identifies all the hyperlinks in the retrieved web pages and adds them to the list of URLs to visit, called the crawl frontier.

  7. Facebook - Wikipedia

    en.wikipedia.org/wiki/Facebook

    [135] [136] In November 2015, after skepticism about the accuracy of its "monthly active users" measurement, Facebook changed its definition to a logged-in member who visits the Facebook site through the web browser or mobile app, or uses the Facebook Messenger app, in the 30-day period prior to the measurement. This excluded the use of third ...

  8. Sitemaps - Wikipedia

    en.wikipedia.org/wiki/Sitemaps

    This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Protocol and file format to list the URLs of a website For the graphical representation of the architecture of a web site, see site map. This article contains instructions, advice, or how-to content. Please help rewrite the content so that it is more encyclopedic or move it to ...

  9. Facebook content management controversies - Wikipedia

    en.wikipedia.org/wiki/Facebook_content...

    Facebook and Meta Platforms have been criticized for their management of various content on posts, photos and entire groups and profiles. This includes but is not limited to allowing violent content, including content related to war crimes, and not limiting the spread of fake news and COVID-19 misinformation on their platform, as well as allowing incitement of violence against multiple groups.