{"id":650,"date":"2025-08-21T18:15:42","date_gmt":"2025-08-21T18:15:42","guid":{"rendered":"https:\/\/policies.taboola.com\/header-bidding-2\/"},"modified":"2026-03-05T10:16:41","modified_gmt":"2026-03-05T10:16:41","slug":"header-bidding","status":"publish","type":"page","link":"https:\/\/policies.taboola.com\/el\/header-bidding\/","title":{"rendered":"Header Bidding"},"content":{"rendered":"<h1 style=\"text-align: center;\">Header Bidding<\/h1>\n<ol>\n<li><strong>\u03a0\u03b1\u03c1\u03b1\u03c7\u03ce\u03c1\u03b7\u03c3\u03b7 \u0394\u03b9\u03ba\u03b1\u03b9\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd:<\/strong> \u03a4\u03b1 \u039c\u03ad\u03c1\u03b7 \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03bc\u03b9\u03b1 \u03bb\u03cd\u03c3\u03b7 header bidding (\u03b7 &#8220;\u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 Header Bidding&#8221;) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b5\u03c1\u03b4\u03af\u03b6\u03b5\u03b9 \u03ad\u03c3\u03bf\u03b4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b8\u03b5\u03bc\u03b1 \u03c3\u03c4\u03b9\u03c2 \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u0394\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2, \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03b8\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03b5\u03b9 \u03c4\u03b7\u03bd Taboola \u03c9\u03c2 \u03c0\u03bb\u03b5\u03b9\u03bf\u03b4\u03cc\u03c4\u03b7 \u03c3\u03c4\u03b7\u03bd \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03ae \u03c4\u03b7\u03c2 Header Bidding \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03bb\u03b5\u03b9\u03bf\u03b4\u03bf\u03c3\u03af\u03b1 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03b7\u03c2 \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7\u03c2 Header Bidding \u03c4\u03b7\u03c2 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1\u03c2 (\u03bf\u03b9 &#8220;HB Units&#8221;), \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 HB Units \u03b8\u03b1 \u03b5\u03be\u03b1\u03b9\u03c1\u03bf\u03cd\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b1\u03c0\u03cc\u03b8\u03b5\u03bc\u03b1 native advertising, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03cc\u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03b7 \u03a0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03c4\u03b7\u03c2 Taboola. \u0397 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03b5\u03af \u03bd\u03b1: (i) \u03c0\u03b1\u03c1\u03b1\u03c7\u03c9\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd Taboola \u03c4\u03bf \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u03bc\u03b1 \u03bd\u03b1 \u03c0\u03bb\u03b5\u03b9\u03bf\u03b4\u03bf\u03c4\u03ae\u03c3\u03b5\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1 header bidding \u03c4\u03b7\u03c2 Taboola (\u03bf &#8220;\u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 Header Bidding&#8221;) \u03c3\u03b5 \u03bf\u03c0\u03bf\u03b9\u03b5\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 HB Units; (ii) \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1 Header Bidding \u03c3\u03b5 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7\u03c2 Header Bidding \u03c4\u03b7\u03c2 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b7 Taboola \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ac\u03c3\u03c7\u03b5\u03b9; (iii) \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 Local Storage \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03ae \u03c4\u03b7\u03c2 Header Bidding; \u03ba\u03b1\u03b9 (iv) \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b4\u03b9\u03b1\u03c6\u03ae\u03bc\u03b9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03b5\u03c1\u03b2\u03af\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Taboola \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 HB Unit \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c1\u03b1\u03c4\u03ae (\u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u039a\u03b1\u03c4\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ae\u03c1\u03b9\u03b5\u03c2 \u0393\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 MRC Viewable Impression) \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03bd\u03b5\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc 30 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1.<\/li>\n<li><strong>\u03a4\u03ad\u03bb\u03bf\u03c2 Header Bidding:<\/strong> \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd \u03c4\u03b7\u03c2 \u0391\u03bc\u03bf\u03b9\u03b2\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u0395\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 IV \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9, \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03ae\u03bd\u03b1 \u03c4\u03b7\u03c2 \u0394\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2, \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03b8\u03b1 \u03bb\u03ac\u03b2\u03b5\u03b9 \u03c4\u03bf \u03a4\u03ad\u03bb\u03bf\u03c2 Header Bidding (\u03cc\u03c0\u03c9\u03c2 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9) \u03b3\u03b9\u03b1 \u03bf\u03c0\u03bf\u03b9\u03b5\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 HB Units \u03c0\u03bf\u03c5 \u03ba\u03b5\u03c1\u03b4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1 Header Bidding. \u0393\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03ba\u03bf\u03c0\u03bf\u03cd\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03bf\u03cd\u03c3\u03b1\u03c2 \u03a3\u03c5\u03bc\u03c6\u03c9\u03bd\u03af\u03b1\u03c2, \u03c4\u03bf &#8220;\u03a4\u03ad\u03bb\u03bf\u03c2 Header Bidding&#8221; \u03b8\u03b1 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b1 \u03ad\u03c3\u03bf\u03b4\u03b1 \u03c0\u03bf\u03c5 \u03ba\u03b5\u03c1\u03b4\u03af\u03b6\u03b5\u03b9 \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ce\u03bd \u039d\u03b9\u03ba\u03b7\u03c4\u03ae\u03c1\u03b9\u03c9\u03bd \u03a0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ce\u03bd (\u03cc\u03c0\u03c9\u03c2 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9) \u03b3\u03b9\u03b1 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 HB Units \u03c0\u03bf\u03c5 \u03b1\u03b3\u03bf\u03c1\u03ac\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Taboola, \u03bc\u03b5\u03af\u03bf\u03bd \u03bf\u03c0\u03bf\u03b9\u03b5\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b5\u03ba\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u0394\u03cc\u03bb\u03b9\u03b5\u03c2 \u0395\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03b9\u03c2 (\u03cc\u03c0\u03c9\u03c2 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9). \u039f\u03b9 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 Taboola \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03a3\u03c5\u03bc\u03c6\u03c9\u03bd\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 \u03a4\u03ad\u03bb\u03bf\u03c5\u03c2 Header Bidding.<\/li>\n<li><strong>\u039f\u03c1\u03b9\u03c3\u03bc\u03bf\u03af:<\/strong> \u0394\u03b9\u03b1\u03c6\u03b7\u03bc\u03af\u03c3\u03b5\u03b9\u03c2: \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ac, \u03b4\u03b9\u03b1\u03b4\u03c1\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac, \u03ba\u03b9\u03bd\u03b7\u03c4\u03ac, \u03b2\u03af\u03bd\u03c4\u03b5\u03bf, \u03c0\u03bb\u03bf\u03cd\u03c3\u03b9\u03b1 \u03bc\u03ad\u03c3\u03b1, \u03ad\u03c1\u03b3\u03b1 \u03c4\u03ad\u03c7\u03bd\u03b7\u03c2, \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1, \u03b5\u03bd\u03b5\u03c1\u03b3\u03ad\u03c2 \u03b4\u03b9\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 URL \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03ae \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1-\u03b2\u03b1\u03c3\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03af\u03c3\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03c4\u03b9\u03ba\u03ad\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03af\u03c3\u03b5\u03c9\u03bd banner, \u03ba\u03bf\u03c5\u03bc\u03c0\u03b9\u03ce\u03bd, \u03c0\u03cd\u03c1\u03b3\u03c9\u03bd \u03ba\u03b1\u03b9\/\u03ae \u03bf\u03c5\u03c1\u03b1\u03bd\u03bf\u03be\u03c5\u03c3\u03c4\u03ce\u03bd, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b1 tracking pixels \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c4\u03c1\u03af\u03c4\u03b1 pixels. \u03a0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac: \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac \u03c0\u03bf\u03c5 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Taboola \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 HB Unit. \u039d\u03b9\u03ba\u03b7\u03c4\u03ae\u03c1\u03b9\u03b1 \u03a0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac: \u03bc\u03b9\u03b1 \u03a0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 Header Bidding \u03c9\u03c2 \u03b7 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b9\u03bc\u03b7 \u03a0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac (\u03bc\u03b5\u03c4\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5 \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b1\u03bd\u03ac \u03c7\u03af\u03bb\u03b9\u03b5\u03c2 \u03b5\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03b9\u03c2) \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 HB Unit. \u0394\u03cc\u03bb\u03b9\u03b5\u03c2 \u0395\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03b9\u03c2: \u03b5\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03b5\u03c1\u03b2\u03b9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03ae \u03bc\u03ad\u03c3\u03b1 \u03c0\u03bf\u03c5 \u03c4\u03b5\u03c7\u03bd\u03b7\u03c4\u03ac \u03ae \u03b4\u03cc\u03bb\u03b9\u03b1 \u03c6\u03bf\u03c5\u03c3\u03ba\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03cc\u03b3\u03ba\u03bf \u03c4\u03c9\u03bd \u03b5\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03c9\u03bd, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b1\u03bd\u03b1\u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c7\u03c1\u03b7\u03c3\u03c4\u03ce\u03bd, \u03c4\u03b7\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 bots \u03ba\u03b1\u03b9 crawlers, \u03c4\u03b7\u03c2 \u03c7\u03b5\u03b9\u03c1\u03b1\u03b3\u03ce\u03b3\u03b7\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03af\u03c3\u03b5\u03c9\u03bd \u03ae \u03bf\u03c0\u03bf\u03b9\u03b1\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03ac\u03bb\u03bb\u03b7\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03c9\u03bd \u03ae \u03b4\u03cc\u03bb\u03b9\u03c9\u03bd \u03b5\u03bd\u03c4\u03c5\u03c0\u03ce\u03c3\u03b5\u03c9\u03bd (\u03cc\u03c0\u03c9\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Taboola, \u03b5\u03bd\u03b5\u03c1\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ac, \u03ae \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b1\u03c2).<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Header Bidding \u03a0\u03b1\u03c1\u03b1\u03c7\u03ce\u03c1\u03b7\u03c3\u03b7 \u0394\u03b9\u03ba\u03b1\u03b9\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd: \u03a4\u03b1 \u039c\u03ad\u03c1\u03b7 \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03bc\u03b9\u03b1 \u03bb\u03cd\u03c3\u03b7 header bidding (\u03b7 &#8220;\u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 Header Bidding&#8221;) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b5\u03c1\u03b4\u03af\u03b6\u03b5\u03b9 \u03ad\u03c3\u03bf\u03b4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b8\u03b5\u03bc\u03b1 \u03c3\u03c4\u03b9\u03c2 \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u0394\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2, \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03b8\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03b5\u03b9 \u03c4\u03b7\u03bd Taboola \u03c9\u03c2 \u03c0\u03bb\u03b5\u03b9\u03bf\u03b4\u03cc\u03c4\u03b7 \u03c3\u03c4\u03b7\u03bd \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03ae \u03c4\u03b7\u03c2 Header Bidding \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"single-legal-page.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-650","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Header Bidding - Taboola Policies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/policies.taboola.com\/el\/header-bidding\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Header Bidding\" \/>\n<meta property=\"og:description\" content=\"Header Bidding \u03a0\u03b1\u03c1\u03b1\u03c7\u03ce\u03c1\u03b7\u03c3\u03b7 \u0394\u03b9\u03ba\u03b1\u03b9\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd: \u03a4\u03b1 \u039c\u03ad\u03c1\u03b7 \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03bc\u03b9\u03b1 \u03bb\u03cd\u03c3\u03b7 header bidding (\u03b7 &#8220;\u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 Header Bidding&#8221;) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b5\u03c1\u03b4\u03af\u03b6\u03b5\u03b9 \u03ad\u03c3\u03bf\u03b4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b8\u03b5\u03bc\u03b1 \u03c3\u03c4\u03b9\u03c2 \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u0394\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2, \u03b7 \u0395\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03b8\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03b5\u03b9 \u03c4\u03b7\u03bd Taboola \u03c9\u03c2 \u03c0\u03bb\u03b5\u03b9\u03bf\u03b4\u03cc\u03c4\u03b7 \u03c3\u03c4\u03b7\u03bd \u0395\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03ae \u03c4\u03b7\u03c2 Header Bidding \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03b7\u03bc\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/policies.taboola.com\/el\/header-bidding\/\" \/>\n<meta property=\"og:site_name\" content=\"Taboola Policies\" \/>\n<meta property=\"article:modified_time\" 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