The best replacement for seo is sem.

The best alternatives to seo are rated as following:
★★★★★  sem
★★★★  ppc
★★  adwords
★★  smo
★★  social media
★  pay per click
★  search engine optimization
★  google adwords
★  content marketing
★  ipo
★  social media marketing
  local seo
  inbound marketing
  yoast
  paid search
  web design
  _
  ppc which is better
  pto
  onsite seo
  oao
  google seo
  scm
  yellow pages
  traditional marketing
  google analytics

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

Other search terms related to seo and their ratings are:
★★★★★ adwords
You have in mind a companion for seo and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of seo in all years. Click on graph for more.
seo
sem
ppc