mostly to save myself time googling those again:
checking latency to your host from multiple locations around the world:
- https://ping.pe/
- http://lowendping.nikkii.us/
- http://www.just-ping.com/index.php?vh=kudzia.eu
- http://www.bgp4.as/looking-glasses
- https://www.site24x7.com/ping-test.html
- http://ping.ms/
- https://tools.keycdn.com/ipv6-ping https://tools.keycdn.com/ping
- https://www.hostvirtual.com/lg/
- https://mtr.sh/
map of the transocean fibers can come handy as well:
- http://www.submarinecablemap.com/
- http://www.cablemap.info/
checking the page load performance time from multiple locations:
- http://www.webpagetest.org/
- http://www.watchmouse.com/en/checkit.php
testing dns:
- https://www.dnsinspect.com/
- http://dns.squish.net/
- http://www.whatsmydns.net/
- http://check-host.net/check-dns
A great thanks for sharing the list of amazing tools. For your “testing dns” here I would like to recommend a tool
https://dnschecker.org/
Comparing to any other online similar tool, that tool has 100+ public servers available to check the live DNS Propagation results instantly. That tool provides you a more detailed DNS Lookup insight.