SEO in 2021″ loading=”lazy” style=”margin-bottom: 15px;” srcset=”https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220-564×317.png 564w, https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220-300×169.png 300w, https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220-1024×576.png 1024w, https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220-768×432.png 768w, https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220-150×84.png 150w, https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220-500×281.png 500w, https://www.seoblog.com/wp-content/uploads/10-Key-Factors-for-SEO-in-20211280x720_012220.png 1280w” sizes=”(max-width: 564px) 100vw, 564px” />Search engine optimization (SEO) is vital…