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Quickly view basic info about every webpage, including server location, IP addresses, certificate issuer and expiration date, HTTP status code and load time.

Quickly view basic information about every HTTP/HTTPS webpage that browsers either do not show or make difficult to find. The popup includes:

• Server location
• IP address(es)
• HTTP status code and version
• Load time, time to first byte, first paint and largest paint
• Total download and upload size
• *Last modified
• Certificate issuer and expiration date
• SSL/TLS protocol
• HTTP Strict Transport Security (HSTS) status
• Requests table with a row for each hostname/domain:
  
  • Number of connections
  • Download and upload size
  • Icon(s) representing the classification by Firefox's Enhanced Tracking Protection (ETP) feature
  • Icon representing the security state
  • Days left until certificate expiration
  • SSL/TLS version
  • HSTS max age in days
  • Icon representing the HTTP status code(s)
  • Hostname/Domain
  • IP address(es)
  • Flag for country of server location(s)

All of this information is determined offline and locally in the browser. Users can hover over almost everything in the popup, especially in the Requests table, to see tooltips with much more information. See here for descriptions of all the icons/emojis used. The toolbar icon is configurable and can show:

• Flag for country of server location (default)
  
  • Badge: Country code
• Internet Protocol version
• Days left until certificate expiration
• SSL/TLS version
• HTTP status code
• HTTP version
• Load time
• Largest Contentful Paint time

Users can hover over the toolbar icon to see a tooltip with the HTTP status line, IP address, Server location, Certificate issuer and expiration date, SSL/TLS protocol and HSTS status.

ℹ️ Note that this add-on requires around 100 MiB of memory (RAM) by default to store the IP geolocation database for offline location lookups. Users with limited memory can instead select one of the much smaller “Country only” databases from the options page, which just require about 5 MiB of memory. These databases only provide the country instead of the full location, similar to other add-ons such as FlagFox.

❤️ Please visit tealdulcet.com to support this extension and my other software development.

* On servers which provide this information

Features

• Supports using nine different IP geolocation databases to lookup the server location
  • Including both country only and full location (state/providence/region and city) databases
  • Users can select the database with the most accuracy for their locations of interest
  • All databases support both IPv4 and IPv6 addresses
  • Supports IPv4-mapped, IPv4-compatible and IPv4-embedded IPv6 addresses
  • They are prepossessed into a constant TSV format by my IP Geolocation Databases repository
  • Updates are provided either daily, weekly or monthly depending on the database
  • One of the full location databases is localized in eight languages
  • The database runs in a separate thread to improve performance
• Highlights the suffix for hostnames in the popup using Mozilla's Public Suffix List (PSL)
• The IP databases and PSL are automatically downloaded and updated directly, without needing to update the entire extension
  
  • This allows users to enjoy much faster and more frequent updates and thus more accurate information
• Use a keyboard shortcut to quickly open the popup (by default Ctrl+Alt+S)
• Shows the active and failed/blocked connections in the Requests table
• Shows certificate start/end dates and a countdown
• Button to view the full certificate chain in Firefox's about:certificate certificate viewer
• Supports showing whether the hostname or IP addresses are blacklisted
• Respects your privacy and does not send data anywhere, all information is determined locally in your browser
• Supports the light/dark mode of your system automatically
• Settings automatically synced between all browser instances and devices
• Uses Unicode Emojis for all icons
• Follows the Firefox Photon Design
• Compatible with Firefox for Android

Reviews are not monitored for bug reports. Please use the GitHub repository to report any issues or make feature requests: https://github.com/tdulcet/Server-Status

Tags: anti malware anti tracker dark mode privacy security