WordStream's Internet and Search Marketing Glossary provides brief, informative definitions of common terms used in web marketing, including vocabulary associated with organic search engine optimization (SEO), pay-per-click (PPC) and paid search marketing, and related Internet marketing concepts.

• sandbox
• scraped content
• search directory
• search engine
• search engine list
• search engine marketing software
• search engine marketing strategy
• search engine marketing tool
• search engine optimization keywords
• search engine optimization ranking
• search engine optimization software
• search engine positioning
• search engine ranking
• search engine spider
• Search Engine Strategies
• search engine submission
• search funnel
• Search Marketing Expo
• search query
• search results
• search software
• search term
• search tool
• SEM marketing
• semantic clustering
• semantic search
• SEMPO
• SEO copywriting
• SEO keyword
• SEO keyword research
• SERP position
• SERP rank
• session ID
• siloing
• sitemap
• social media
• social media marketing
• social media optimization (SMO)
• social bookmarking
• social network
• social search
• spam
• spambot
• Sphinn
• spider
• splash page
• stemming
• stop words
• title tag
• top keyword
• trackback
• tracking URL
• traffic analysis
• Twitter
• unique visitor
• universal search
• usability
• user generated content
• vertical search
• view through conversion
• viral marketing
• web 2.0
• web crawler
• web search
• web server logs
• website
• web tools
• white hat SEO
• wiki
• Wikipedia
• Wordtracker
• workflow tool
• XML sitemap
• Yahoo Search Marketing
• YouTube