It defines the second-level headings on your page. Like a H1 tag, a H2 tag also appears larger than the rest of your main body text. However, H2 tags are always slightly smaller than your H1 tag, so that it does not compete with your main heading. Keep in mind that heading tags don't stop at H2. This strategy makes it simpler for web crawlers to properly index the content for the most important search questions, which likewise makes it almost certain for the webpage to rank higher for those keywords in the web search results pages (SERPs). For more understanding, read the full blog here: https://www.inbound.blog/on-page-optimization/
