KissFront offers Free Trial, but GTmetrix does not.
KissFront is designed for Medium Business and Small Business.
GTmetrix is designed for Large Enterprises, Medium Business and Small Business.
The starting price of GTmetrix begins at $10/Month when Billed Yearly, while pricing details for KissFront are unavailable.
Some top alternatives to KissFront includes PageCheck, Wattspeed, GTmetrix, Uptrends, SolarWinds Pingdom, Hexometer, Pingt.io, Beacon, PageWatch and Speedrank.
Some top alternatives to GTmetrix includes PageCheck, PageSpeed Green, Wattspeed, SolarWinds Pingdom, Epic Ping, Page Health, PageWatch, Speedrank and PageSpeed Plus.