Website house owners acknowledged the value of the substantial ranking and visibility in search engine final results,[six] producing a possibility for both equally white hat and black hat Website positioning practitioners. In February 2011, Google introduced the Panda update, which penalizes websites containing content duplicated from other websites and sources. https://off-pageseo48012.wizzardsblog.com/28218775/a-secret-weapon-for-image-extraction-from-pdf