To do backlink campaign for SEO purpose we check pagerank to find high authority website that google trust. We already have a long list of URL with pagerank and ready to drop quality link to our site. But what next? before you waste your time to open each URL in your list, the smarter way is to check website online status.
Below is bulk HTTP server status checker that i found usefull for SEO purpose, and absolutely free.
Bulk check http status then download the result in CSV format.
Can check up to 50 URL at once.
Single or bulk page header checker
Check server status up to 25 URL at once.