(1) https://moz.com/blog (2) https://www.searchenginejournal.com/ (3) https://searchengineland.com/ (4) https://searchenginewatch.com/ (5) http://www.seobook.com/blog (6) https://www.seroundtable.com/ (7) https://www.semrush.com/blog/ (8) http://www.seonick.net/ (9) https://backlinko.com/ (10) https://blog.searchmetrics.com/us/ (11) https://ahrefs.com/blog (12) https://www.brightedge.com/blog (13) http://www.seobythesea.com/ (14) https://www.quicksprout.com/blog/ (15) https://raventools.com/blog/ (16) http://seotricksforwebsite.blogspot.com/