SEO Book Tool
Bulk Page Header Check http://tools.seobook.com/server-header-checker/
Bulk Page Header Check http://tools.seobook.com/server-header-checker/?page=bulk&typeProtocol=11&useragent=1
httpstatus.io Tool
Check status code, response headers, redirect location and redirect chain of a HTTP connection.
Also export to CSV
http://httpstatus.io/
web-sniffer.net Tool
HTTP Web-Sniffer Online Tool http://web-sniffer.net/
HTTP Web-Sniffer Desktop App http://web-sniffer.net/app.html
gidnetwork.com gzip-test http://www.gidnetwork.com/tools/gzip-test.php
http://www.whatsmyip.org Tools
HTTP Headers http://www.whatsmyip.org/http-response-headers/
HTTP Compression Test http://www.whatsmyip.org/http-compression-test/
Whois & DNS Lookup http://www.whatsmyip.org/whois-dns-lookup/
Enable compression in .htaccess –Ref
# Enable Gzip Compression <ifmodule mod_deflate.c> AddOutputFilterByType DEFLATE text/html text/plain text/xml application/xml application/xhtml+xml text/css text/javascript application/javascript application/x-javascript </ifmodule>
Stupid htaccess Tricks | Perishable Press by Jeff Starr
http://perishablepress.com/stupid-htaccess-tricks/