In seo Optimization the information about the domain is very important like broken links of that domain and ping tests(which determine that in which area of the world your website is accessible) and many more things. Now to get this type of knowledge of any website we need some tools so here i am compiling a list of domain check tools which will help you for easy handson.

Domain Checkups Tools

1. Alexa Traffic Rank
   View and compare Alexa Ranking graphs.
2. Broken Link Checker
   Use this tool to check for Broken Links on a website.
3. Domain Availability
   Check for available domain names.
4. Domain Look-up
   Retrieve a range of information about a domain.
5. Domain Whois
   Retrieve a domain whois information.
6. Instant Domain Checker
   Check the availability of domains instantly.
7. IP Location
   Locate the country of an IP Address.
8. Link Price Calculator
   Estimate how much to pay for a link.
9. Reciprocal Link Checker
   Check your reciprocal links to see if link partners are still linking back to your site.
10. Reverse IP/Look-up
    Searches for domain names hosted on your IP address.
11. Ping Test
    Check the presence of an active connection.
12. Server Status
    Check if a website is online or offline.
13. Website Speed Test
    Find out how fast a specific webpage loads.

I will keep updating this list and any questiono or suggestion on this topic are invited .