01: Search Engine Optimization (SEO)
02: Search Engine Marketing (SEM)
03: Social Media Optimization (SMO)
04: Social Media marketing (SMM)
05: Content writing & content rketing
06: Email Marketing
07: Affiliate Marketing
08: YouTube, FB, Instagram Ad
09: YouTube, FB, Instagram Marketing
10: Back linking
11: Meta Tagging
12: HTML Tagging