If you’re curious about the history behind how “SEM” came to mean “PPC” at the exclusion of SEO, you can dig deeper into these articles: Here we look at your meta and structured data — the "behind-the-scenes" information that doesn't display on the page, but may help search engines understand https://angeloflmml.blazingblog.com/28096938/indikatoren-für-leistungsanalyse-sie-wissen-sollten