Search Engine Optimization (SEO): Definition: SEO involves optimizing websites and content to improve their visibility and ranking in search engine results pages (SERPs). Key Activities: Keyword research, on-page optimization (meta tags, content optimization), off-page optimization (backlink building), and technical SEO (site structure, mobile-friendliness). Search Engine Marketing (SEM) / Pay-Per-Click (PPC): Definition: SEM involves paid advertisements that appear on search engine results pages (e.g., Google Ads). Advertisers pay each time a user clicks on their ad (PPC). Key Activities: Keyword bidding, ad creation, ad placement, budget management, and performance tracking. Content Marketing: Definition: Content Marketing focuses on creating and distributing valuable, relevant, and consistent content to attract and engage a target audience. Key Activities: Content creation (blogs, articles, videos, infographics), content optimization for SEO, content distribution (social media, email newsletters), and measuring content performance. Social Media Marketing (SMM): Definition: SMM involves using social media platforms (e.g., Facebook, Instagram, Twitter, LinkedIn) to promote products or services and engage with audiences. Key Activities: Creating and sharing content, running paid social media ads, community management, social listening, and analyzing social media metrics. Email Marketing: Definition: Email Marketing involves sending personalized messages and promotional content via email to nurture leads, retain customers, and drive sales. Key Activities: Email campaign planning and execution, list segmentation, email automation, A/B testing, and analyzing email performance metrics (open rates, click-through rates). Influencer Marketing: Definition: Influencer Marketing leverages influencers (individuals with a dedicated social following) to endorse products or services to their audience. Key Activities: Identifying and collaborating with influencers, creating influencer partnerships or sponsored content, and measuring influencer campaign effectiveness. Digital Advertising: Definition: Digital Advertising includes various forms of online advertising beyond search engines, such as display ads, banner ads, native ads, and remarketing/retargeting ads. Key Activities: Ad creation, ad placement on websites and platforms (e.g., Google Display Network, social media ad networks), targeting specific audience segments, and optimizing ad performance. Analytics and Data-driven Marketing: Definition: Analytics involves using data and metrics to measure and optimize marketing efforts, track campaign performance, and make informed decisions. Key Activities: Implementing web analytics tools (e.g., Google Analytics), analyzing website traffic and user behavior, tracking conversions and ROI, and generating reports to assess marketing effectiveness. Mobile Marketing: Definition: Mobile Marketing focuses on reaching audiences via mobile devices (smartphones, tablets) through mobile-optimized websites, apps, SMS marketing, and mobile ads. Key Activities: Mobile app marketing, mobile-friendly website design, SMS campaigns, location-based marketing, and mobile advertising strategies. Conversion Rate Optimization (CRO): Definition: CRO involves optimizing website or landing page elements to improve the percentage of visitors who complete desired actions (e.g., making a purchase, filling out a form). Key Activities: A/B testing, usability testing, optimizing call-to-action (CTA) buttons, improving website navigation, and analyzing user feedback to enhance user experience and increase conversions.