Competitive Research and Monitoring are two of Semrush’s biggest strengths as a software.
Here is the list of tools that are useful to understanding everything about your competitor’s digital marketing strategy and their marketing campaigns.
Study your market’s characteristics and your competitors’ market share - Market Explorer
Analyze your competitor’s website traffic - Traffic Analytics
Check out their marketing mix - Traffic Analytics
Identify the top pages of their website - Traffic Analytics
Benchmark your site’s traffic against several competitors - Traffic Analytics
Find out your biggest competitors in organic search results - Organic Competitors
Find your biggest competitors in advertising search results - Advertising Competitors
Discover your competitors based on a specific set of target keywords - Position Tracking (use the Competitors Discovery tab)
See your competitor’s positions in SERPs and the keywords they are targeting - Organic Research
Find gaps between you and your competitor’s keyword profiles - Keyword Gap
See where your competitor gets their backlinks from - Backlink Analytics
Find gaps between you and your competitor’s backlink profiles - Backlink Gap
Research your competitor’s top paid search keywords, landing pages and copies of their PPC ads on Google Ads - Advertising Research
Research your competitor's GDN banners, sidebars, and text ads - Display Advertising
Research your competitor’s use of Google Shopping ads, landings, positions - PLA Research
See who places ads on your competitor’s site - Display Advertising
Find online mentions of your competitor’s brand - Brand Monitoring
Study the performance of your competitor’s articles - Post Tracking
Research the topics your competitor cover - Topic Research
Track your competitor’s social media performance - Social Media Tracker
For your convenience and further reference, all of the above tools are packaged into the Semrush Competitive Research Toolkit.