The best replacement for spf is upf.

The best alternatives to spf are rated as following:
★★★★★  upf
★★★★★  dkim
★★★  syp
★★★  sender id
★★  txt record
★★  txt
★★  saf
★★  stf wheels
★★  hem fir
★★  domainkeys
★  scdf
★  stf
★  ptr
  fps
  cnb
  50 spf
  sunscreen
  45 spf
  uv index
  30 spf
  low spf

Your alternative for spf is not listed? Suggest!
Speaking about spf, one probably shouldn't forget about bronzer.

Other search terms related to spf and their ratings are:
★★★★★ bronzer
★★★★ moisturizer
★ self tanner
★ fake tan
★ tint
★ tanning oil
self tan
parasol
shimmer
moisturiser
You have in mind a companion for spf and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of spf in all years. Click on graph for more.
spf
upf
dkim