Internet-Tools

A small collection of a few handy internet-tools.

Privacy Checks

  1. browserleaks.com Many Web Browser Security Checks
  2. ipleak.net Browser check against WebRTC and DNS leaks
  3. whatsmyip.org
  4. whatismybrowser.com
  5. test-ipv6.com
  6. panopticlick.eff.org Browser check against tracking
  7. dnsleaktest.com
  8. grc.com DNS Spoofability Test
  9. whatismyipaddress.com

Security Checks

  1. ipv6scanner.com IPv6 Port Scanner
  2. ssllabs.com Browser SSL check
  3. badssl.com Browsertest for SNI (Server Name Indication)
    self-signed.badssl.com | expired.badssl.com | mixed.badssl.com | rc4.badssl.com | hsts.badssl.com
  4. howsmyssl.com Browser SSL check
  5. scan.nextcloud.com Nextcloud Security Scan
  6. observatory.mozilla.org Observatory by Mozilla
  7. transparencyreport.google.com/safe-browsing/search Google Safe Browsing-Website Status
  8. pentest-tools.com Misc. Pentests

Website Checks

  1. hstspreload.org Check HSTS preload status and eligibility
  2. brokenlinkcheck.com Broken Link Checker
  3. copyscape.com Search for copies of your page on the web
  4. similarweb.com Analyze website traffic
  5. webbkoll.dataskydd.net Website privacy check: http-headers, meta referrer, first & third party cookies and requests, CSP
  6. securityheaders.com Security header check
  7. redbot.org HTTP header check
  8. realfavicongenerator.net Favicon checker

Website SSL Checks

  1. ssllabs.com Webserver SSL check
  2. htmlyse.com DNS/SSL/TLS/HTTP Header Report
  3. digicert.com DigiCert® SSL Installation Diagnostics Tool
  4. wormly.com/test_ssl Wormly SSL Web Server Test
  5. whatsmychaincert.com SSL Chain Certificate Checker and Generator
  6. ssl-tools.net Mail server and website SSL-checks

Website Pagespeed Checks

  1. developers.google.com/speed/pagespeed/insights Google PageSpeed Insights
  2. search.google.com/test/mobile-friendly Google Mobile-Friendly Test
  3. testmysite.withgoogle.com Mobile Speed Test
  4. tools.pingdom.com Pingdom Website Speed Test
  5. webpagetest.org Website Performance Test
  6. gtmetrix.com Webpage Performance report

Mailserver Checks

  1. mxtoolbox.com Multiple RBL lookups, SPF check, DKIM check
  2. mail-tester.com
  3. dmarcian.com DMARC/DKIM/SPF Inspector
  4. spf.myisp.ch SPF record checker
  5. multirbl.valli.org RBL lookup
  6. abuseat.org CBL lookup
  7. whatismyipaddress.com Blacklist check
  8. bimigroup.org BIMI Inspector
  9. luxsci.com SMTP TLS checker

Multifarious

  1. wpthemedetector.com WordPress Theme Detector
  2. tools.wordtothewise.com
  3. report-uri.com Real Time Security Reporting and more
  4. dnsviz.net Visualizing the status of a DNS zone (DNSSEC check)
  5. uitest.com Web development tools and site check
  6. seobility.net SEO check
  7. viewdns.info Various lookups & reverse lookups
  8. reverseip.domaintools.com Reverse IP lookup
  9. enumquery.com ENUM lookups
  10. archive.org/web Internet wayback machine, lookup and add domain
  11. geoimgr.com Geotag photos online
  12. tinypng.com Compress images for websites: PNG, GIF, JPG
  13. duckdns.org Free dynamic DNS
  14. webrtc.github.io Tests the trickle ICE functionality in a WebRTC implementation
  15. ifconfig.co What is my IP address?