div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails15jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails18jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails19jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails20jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails21jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails22jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails23jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails24jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails25jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails26jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails27jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails28jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails29jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails30jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=31Page 31button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=31 data-page=31 class=ts-thumb lazyload alt=Page 31: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails31jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=32Page 32button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=32 data-page=32 class=ts-thumb lazyload alt=Page 32: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails32jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=33 data-page=33 class=ts-thumb lazyload alt=Page 33: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails33jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=34Page 34button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=34 data-page=34 class=ts-thumb lazyload alt=Page 34: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails34jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=35Page 35button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=35 data-page=35 class=ts-thumb lazyload alt=Page 35: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails35jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails36jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=37Page 37button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=37 data-page=37 class=ts-thumb lazyload alt=Page 37: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails37jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=38Page 38button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=38 data-page=38 class=ts-thumb lazyload alt=Page 38: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails38jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=39Page 39button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=39 data-page=39 class=ts-thumb lazyload alt=Page 39: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails39jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=40Page 40button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=40 data-page=40 class=ts-thumb lazyload alt=Page 40: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails40jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=41Page 41button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=41 data-page=41 class=ts-thumb lazyload alt=Page 41: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails41jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=42Page 42button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=42 data-page=42 class=ts-thumb lazyload alt=Page 42: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails42jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=43Page 43button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=43 data-page=43 class=ts-thumb lazyload alt=Page 43: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails43jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=44Page 44button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=44 data-page=44 class=ts-thumb lazyload alt=Page 44: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails44jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=45Page 45button div class=ts-imageimg data-url=algorithm-that-was-first-released-in-february-2011-the-change-aimed-to-lower-thehtmlpage=45 data-page=45 class=ts-thumb lazyload alt=Page 45: · algorithm that was first released in February 2011 The change aimed to lower the rank of low-quality sites or thin sites and Hummingbird Google said that Hummingbird loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421025e7fb65e5214c32ad900a3b8html5thumbnails45jpg width=140 height=200 divdiv
