{"id":175,"date":"2012-03-28T21:20:41","date_gmt":"2012-03-28T19:20:41","guid":{"rendered":"http:\/\/www.adwiserhq.com\/blog\/?p=175"},"modified":"2012-03-29T11:17:36","modified_gmt":"2012-03-29T09:17:36","slug":"an-average-lie-three-levels-of-average-ctr","status":"publish","type":"post","link":"http:\/\/www.adwiserhq.com\/blog\/an-average-lie-three-levels-of-average-ctr\/","title":{"rendered":"An average lie. Three levels of average CTR."},"content":{"rendered":"<p><a title=\"House MD, television series\" href=\"http:\/\/www.imdb.com\/title\/tt0412142\/\" target=\"_blank\">House<\/a> was right.<\/p>\n<p>Everybody lies. Averages are no exceptions. Averages are icebergs. You see their tip, but have no idea what&#8217;s under the water.<\/p>\n<p>Unless you dive deeper.<\/p>\n<p>Pick a keyword. An <em>average<\/em> one. Nothing special. Look at its <em>average CTR<\/em>.<\/p>\n<ul>\n<li><strong>CTR<\/strong>: 5%<\/li>\n<li><strong>Quality Score<\/strong>: 7<\/li>\n<li><strong>Impressions<\/strong>: 4000<\/li>\n<li><strong>Clicks<\/strong>: 200<\/li>\n<\/ul>\n<p>Nothing to call home about, right? So how is that keyword doing? Good, bad, <em>average<\/em>?<\/p>\n<p>If you stay at this level, you&#8217;ll never know. So let&#8217;s deconstruct that keyword&#8217;s CTR.<\/p>\n<p>How does a keyword get its CTR? Someone types a search term into Google&#8217;s search box. A keyword is triggered. If that keyword makes it into the auction (its Ad Rank is high enough), the system pulls an ad from that keyword&#8217;s ad group, and shows it. That&#8217;s an impression. For the <strong>keyword<\/strong>, the <strong>ad<\/strong>, and the <strong>search term<\/strong>.<\/p>\n<p>Another search term is typed, and the same keyword gets triggered. If it makes it into the auction, the keyword gets another impression, just as the search term, and the ad.<\/p>\n<p>So actually, a keyword&#8217;s CTR is, in fact, the sum of clicks of all search terms that triggered it, divided by the sum of their impressions.<\/p>\n<p>Therefore that 5% CTR can in fact be composed of:<\/p>\n<ul>\n<li>\u00a0120 clicks per 2000 impressions for S1 (search term 1), CTR 6%<\/li>\n<li>\u00a080 clicks per 2000 impressions for S2 (search term 2), CTR 4%<\/li>\n<\/ul>\n<p>Again, 4% and 6% are not too far apart, they both look pretty much the same.<\/p>\n<p>Let&#8217;s go one level deeper. Let&#8217;s say you have two ads in that ad group. How does a search term record an impression? All alone? Not really. An ad gets triggered by it. And if we put on a pair of our customers&#8217; shoes, we realize that the decision to click an ad or to skip it is not related to the search term alone. It&#8217;s related to the search term \/ ad pair. If the ad answers the search query, if it is related to it, a click is recorded.<\/p>\n<p>So those 6% and 4% CTR for search terms S1 and S2 can, in fact, be, the sum of clicks for the S1A1, S1A2, S2A1 and S2A2 search term \/ ads pairs, and their impressions.<\/p>\n<p>They could be:<\/p>\n<ul>\n<li>\u00a0110 clicks per 1000 impressions for S1A1, CTR 11%<\/li>\n<li>\u00a010 clicks per 1000 impressions for S1A2, CTR 1%<\/li>\n<li>\u00a010 clicks per 1000 impressions for S2A1, CTR 1%<\/li>\n<li>\u00a070 clicks per 1000 impressions for S2A2, CTR 7%<\/li>\n<\/ul>\n<div>Just as they are in the picture below.<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-177\" title=\"The average lie. Three levels of CTR.\" src=\"http:\/\/www.adwiserhq.com\/blog\/wp-content\/uploads\/2012\/03\/the_average_lie_three_levels_of_ctr.png\" alt=\"The average lie. Three levels of CTR.\" width=\"497\" height=\"300\" srcset=\"http:\/\/www.adwiserhq.com\/blog\/wp-content\/uploads\/2012\/03\/the_average_lie_three_levels_of_ctr.png 497w, http:\/\/www.adwiserhq.com\/blog\/wp-content\/uploads\/2012\/03\/the_average_lie_three_levels_of_ctr-300x181.png 300w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><\/p>\n<p>Amazing, right? Average at keyword level, still average at search term level, completely apart at search term + ad level. What works for one search term in terms of ads does not work for the other, and vice versa. Please note that if the same CTRs would have been split differently, you would have seen the bad performance either at search term level, or in your ad report. But when one search term works well with one ad and bad with the other, and the other way around, you can only see it when you look at the pairs.<\/p>\n<p>So should you start looking at all the search terms and all the ads, in all the ad groups through all your campaigns? No. That would be way too much. But for loose match keywords, more general keywords (if you have to use them), for keywords attracting many impressions and many different search terms, in ad groups where you have more than one ad, and where the ads you&#8217;re testing are quite different, it&#8217;s something worth looking at.<\/p>\n<p>All you have to do is to look for those keywords, click on them, then choose &#8220;See search terms &#8211; Selected&#8221;. Press &#8220;download&#8221; and add the <strong>Ad Id<\/strong> as a segment. You&#8217;ll end up with a table which will contain search terms, Ad Ids, CTR and other metrics.<\/p>\n<p>Sort by search term, and go through that table, and check for variations in CTR as the Ad Id changes for the same search term (or create a pivot table if you wish). Consider splitting that ad group into several ad groups, and make good use of negative keywords whenever you see that <strong>some search terms do great with some ads\u00a0and bad with others<\/strong>.<\/p>\n<p>Make sure <a title=\"Be the master of your search terms. Pair them with the right ads.\" href=\"http:\/\/www.adwiserhq.com\/blog\/are-you-the-master-of-your-search-terms\/\" target=\"_blank\">you are the master of your search terms<\/a>, and that you always pair them with the right ad.<\/p>\n<p>We&#8217;ve now come to see that there are situations when even inside the same ad group, search terms can perform radically different, according to the ad they&#8217;re paired with. And that what matters is in fact exactly what the customer uses when making the decision whether to click or not: the search term, and the ad paired with it. Not the keyword, because that&#8217;s invisible to the customer, and all it does is attract one search term and another, not the ad (alone), and not the search term (alone). But the team. As always.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>House was right. Everybody lies. Averages are no exceptions. Averages are icebergs. You see their tip, but have no idea what&#8217;s under the water. Unless you dive deeper. Pick a keyword. An average one. Nothing special. Look at its average CTR. CTR: 5% Quality Score: 7 Impressions: 4000 Clicks: 200 Nothing to call home about, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-175","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-google-adwords","7":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>An average lie. Three levels of average CTR. - AdWiser<\/title>\n<meta name=\"description\" content=\"House was right. Everybody lies. Averages are no exception. Guess what? The average CTR is no exception. It lies. Catch it red-handed.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.adwiserhq.com\/blog\/an-average-lie-three-levels-of-average-ctr\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Calin Sandici\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/www.adwiserhq.com\\\/blog\\\/an-average-lie-three-levels-of-average-ctr\\\/#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/www.adwiserhq.com\\\/blog\\\/an-average-lie-three-levels-of-average-ctr\\\/\"},\"author\":{\"name\":\"Calin Sandici\",\"@id\":\"http:\\\/\\\/www.adwiserhq.com\\\/blog\\\/#\\\/schema\\\/person\\\/650d7cd5b22381b695a20edd083bfc95\"},\"headline\":\"An average lie. 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