Wattspeed is a browser extension that offers powerful web technologies insights each time you open a new web page.
Il controllo performance di una pagina non funziona su tutti i siti (vedi libero .it) The desktop-user agent performance control of a page doesn't work on all sites (see libero .it)
Excelent for a quick one-click verification of HTML, accessibility, responsivenes and performance. Available for firefox and crome. Very appreciated.
useful and easy to use. the only thing missing is an export option :D
http://emmet.io/
https://checkbot.io
https://iwebchk.com/
https://pointblankseo.com
Catchpoint Systems Inc
https://www.woorank.com/
http://www.linkresearchtools.com/
https://www.serpworx.com/
http://www.linkresearchtools.com/
Voice Group
http://majestic.com/
toptal.com
