Internet-Tools
A small collection of a few handy internet-tools.
Privacy Checks
- browserleaks.com Many Web Browser Security Checks
- ipleak.net Browser check against WebRTC and DNS leaks
- whatsmyip.org
- whatismybrowser.com
- test-ipv6.com
- panopticlick.eff.org Browser check against tracking
- dnsleaktest.com
- grc.com DNS Spoofability Test
- whatismyipaddress.com
Security Checks
- ipv6scanner.com IPv6 Port Scanner
- ssllabs.com Browser SSL check
- badssl.com Browsertest for SNI (Server Name Indication)
self-signed.badssl.com | expired.badssl.com | mixed.badssl.com | rc4.badssl.com | hsts.badssl.com - howsmyssl.com Browser SSL check
- scan.nextcloud.com Nextcloud Security Scan
- observatory.mozilla.org Observatory by Mozilla
- transparencyreport.google.com/safe-browsing/search Google Safe Browsing-Website Status
- pentest-tools.com Misc. Pentests
Website Checks
- hstspreload.org Check HSTS preload status and eligibility
- brokenlinkcheck.com Broken Link Checker
- copyscape.com Search for copies of your page on the web
- similarweb.com Analyze website traffic
- webbkoll.dataskydd.net Website privacy check: http-headers, meta referrer, first & third party cookies and requests, CSP
- securityheaders.com Security header check
- redbot.org HTTP header check
- realfavicongenerator.net Favicon checker
Website SSL Checks
- ssllabs.com Webserver SSL check
- htmlyse.com DNS/SSL/TLS/HTTP Header Report
- digicert.com DigiCert® SSL Installation Diagnostics Tool
- wormly.com/test_ssl Wormly SSL Web Server Test
- whatsmychaincert.com SSL Chain Certificate Checker and Generator
- ssl-tools.net Mail server and website SSL-checks
Website Pagespeed Checks
- developers.google.com/speed/pagespeed/insights Google PageSpeed Insights
- search.google.com/test/mobile-friendly Google Mobile-Friendly Test
- testmysite.withgoogle.com Mobile Speed Test
- tools.pingdom.com Pingdom Website Speed Test
- webpagetest.org Website Performance Test
- gtmetrix.com Webpage Performance report
Mailserver Checks
- mxtoolbox.com Multiple RBL lookups, SPF check, DKIM check
- mail-tester.com
- dmarcian.com DMARC/DKIM/SPF Inspector
- spf.myisp.ch SPF record checker
- multirbl.valli.org RBL lookup
- abuseat.org CBL lookup
- whatismyipaddress.com Blacklist check
- bimigroup.org BIMI Inspector
- luxsci.com SMTP TLS checker
Multifarious
- wpthemedetector.com WordPress Theme Detector
- tools.wordtothewise.com
- report-uri.com Real Time Security Reporting and more
- dnsviz.net Visualizing the status of a DNS zone (DNSSEC check)
- uitest.com Web development tools and site check
- seobility.net SEO check
- viewdns.info Various lookups & reverse lookups
- reverseip.domaintools.com Reverse IP lookup
- enumquery.com ENUM lookups
- archive.org/web Internet wayback machine, lookup and add domain
- geoimgr.com Geotag photos online
- tinypng.com Compress images for websites: PNG, GIF, JPG
- duckdns.org Free dynamic DNS
- webrtc.github.io Tests the trickle ICE functionality in a WebRTC implementation
- ifconfig.co What is my IP address?