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The ‘First Seen’ date corresponds to the first month in which the site appears in the Netcraft Web Server Survey. Thus, towards the end of a month, it may be possible to see some sites where the ‘First Seen’ date appears to be in the future.
Many people and organisations do not host their own websites directly, but instead use a variety of third-parties to provide their website and associated services. One common technique for high-volume websites is to use a Content Delivery Network (CDN). Also, the site report may list companies such as hosting providers, domain registrars, the Internet Service Provider (ISP) that provides the IP address, and more. Most, if not all, of this information can be found in publicly available sources.
The Domain Registrar, Organisation, and Nameserver Organisation fields in the Site Report are only maintained for websites with a Site Rank higher than 1 million. Sites not in the top 1 million may display a value of ‘unknown’ if we do not have up-to-date information available.
No — Netcraft has no way of knowing which pages an individual user visits when using the Extension. We do, however, collect the hostnames of the websites visited by our users in order to provide website popularity ranking information. In order to protect the privacy of organizations’ internal networks, the Netcraft Extension does not transmit information about sites on IANA private addresses.
Go to the options page of the extension (usually located in your browser’s Extensions Manager) and disable blocking for shopping site skimmers, web miners, and other malicious scripts. Note that this also disables protection against these scripts.
- The Firefox Extensions Manager can be found at Firefox Menu > ‘Add-ons’ > ‘Extensions’.
- The Chrome Extensions Manager can be found at Google Chrome Menu > ‘More tools’ > ‘Extensions’.
- The Opera Extensions Manager can be found at Opera Menu > ‘Extensions’ > ‘Manage Extensions’.
- The Edge Extensions Manager can be found at Options Menu > ‘Extensions’ > ‘Netcraft Extension’ > ‘Remove’.
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