[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cms-page:\u002Fblog\u002Fgoogles-december-algorithm-updates":3},{"date":4,"date_gmt":4,"content":5,"sticky":7,"format":8,"categories":9,"collections":12,"coauthors":13,"class_list":16,"acf":26,"head_links":358,"breadcrumbs":359,"reading_minutes":82,"category":367,"head":370},"2019-12-30T15:44:10",{"rendered":6},"\u003Cp>As the year 0f 2019 draws to a close, we have reviewed notable December Google algorithm and SEO industry updates before we enter the next decade. December itself appear to be a relatively quiet month in terms of broad algorithmic updates – we would suspect that this would be the case during the global holiday season. Tracking tools have picked up some fluctuations within the search landscape, but it appears that Google is doing a lot more testing in the SERPs than anything else.\u003C\u002Fp>\n\u003Cp>Within this search industry updates article, we’ll cover a couple of unconfirmed updates this month, BERT unexpectedly rolling out in 70+ languages, crawl-delay responses from Google and Bing representatives, Google Analytics bug that may affect your reporting and finally testing within rich snippets.\u003C\u002Fp>\n\u003Ch2 id=\"december-algorithm-updates\">December Algorithm Updates\u003C\u002Fh2>\n\u003Cp>\u003Cimg loading=\"lazy\" decoding=\"async\" class=\" wp-image-14281 alignright\" src=\"https:\u002F\u002Fimages.impression.co.uk\u002F2022\u002F01\u002Fbrighton-seo-kat-kynes-content-image-2.jpeg?auto=compress%2Cformat&q=90\" alt=\"\" width=\"237\" height=\"237\" \u002F>\u003C\u002Fp>\n\u003Cp>\u003Cspan>Many tracking tools around December 3rd and 4th flagged spikes within search volatility, particularly within the Arts & Entertainment, News and Sports. Although this is considered an unannounced algorithm update, many websites saw fluctuations during this period. \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan>Automated tracking signals and industry chatter started on late December 10th through until December 12th predicted an update to be rolling out. Many categories saw a very high range with large tremors on the SERPs, including Computer & Electronics, Finance, News, Online Communities, Sports and many more. Again, this was not confirmed by Google, however, the industry itself saw large fluctuations. \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cimg loading=\"lazy\" decoding=\"async\" class=\"wp-image-4796 aligncenter\" src=\"https:\u002F\u002Fimages.impression.co.uk\u002F2021\u002F05\u002FMENOggMK-December-Algorithm-Updates-Google.png?auto=compress%2Cformat&q=90\" alt=\"December-Algorithm-Updates-Google\" width=\"481\" height=\"269\" \u002F>\u003C\u002Fp>\n\u003Cp style=\"text-align: center;\">\u003Ca rel=\"noreferrer noopener\" href=\"https:\u002F\u002Fwww.semrush.com\u002Fsensor\u002F?db=UK&category=16\">SEMrush Sensor\u003C\u002Fa> displaying SERP volatility\u003C\u002Fp>\n\u003Ch2 id=\"industry-updates\">Industry Updates\u003C\u002Fh2>\n\u003Ch3 id=\"bert-rolling-out-in-70-languages\">BERT Rolling Out In 70+ Languages\u003C\u002Fh3>\n\u003Cp>\u003Cspan>Google’s BERT algorithm update launch towards the end of October 2019 was rolled out in over 70 languages worldwide on December 10th. This international launch was a lot earlier than expected with John Mueller predicting this would take over 6-months at SMX Paris during November.\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan>It’s worth noting that BERT is still only impacting 10% of all search queries, but now over 70 languages. The majority outlines within the Search Liaison tweet below.  \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cblockquote class=\"twitter-tweet\">\n\u003Cp dir=\"ltr\" lang=\"in\">BERT is rolling out for: Afrikaans, Albanian, Amharic, Arabic, Armenian, Azeri, Basque, Belarusian, Bulgarian, Catalan, Chinese (Simplified & Taiwan), Croatian, Czech, Danish, Dutch, English, Estonian, Farsi, Finnish, French, Galician, Georgian, German, Greek, Gujarati…. (MORE)\u003C\u002Fp>\n\u003Cp>— Google SearchLiaison (@searchliaison) \u003Ca rel=\"noreferrer noopener\" href=\"https:\u002F\u002Ftwitter.com\u002Fsearchliaison\u002Fstatus\u002F1204152379777650689?ref_src=twsrc%5Etfw\">December 9, 2019\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fblockquote>\n\u003Cp>\u003Cscript async src=\"https:\u002F\u002Fplatform.twitter.com\u002Fwidgets.js\" charset=\"utf-8\">\u003C\u002Fscript>\u003C\u002Fp>\n\u003Cp>\u003Cspan>As outlined within our initial \u003C\u002Fspan>\u003Ca rel=\"noreferrer noopener\" href=\"\u002Fblog\u002Fwhat-is-the-google-bert-update\u002F\">\u003Cspan>BERT algorithm update\u003C\u002Fspan>\u003C\u002Fa>\u003Cspan> blog post, you cannot optimise for BERT as such. The most effective solution is to write clearly and create useful content to give both the readers and Googlebot the full context into the contents of the article. \u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3 id=\"crawl-delay-in-robots-txt\">Crawl-Delay In Robots.txt\u003C\u002Fh3>\n\u003Cp>\u003Cspan>On the 12th December, John Mueller helped out a fellow SEO within the industry with a query regarding Google supporting crawl delays in robots.txt. John was quick to confirm that Google has never supported crawl-delay as the “numbers given there tend to be unrealistic for the most part,” despite the crawl rate setting still being available in the legacy search console. \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan>For reference, crawl-rate determines the amount of time taken between sep\u003C\u002Fspan>arate requests that bots make towards your website, in turn suggesting how long it’ll take to crawl your site. By having a crawl-delay setting, this will allow you to suggest to certain crawlers, such as Google, Bing, Yandex, how long to wait between distinct requests.\u003C\u002Fp>\n\u003Cp>\u003Cspan>The same thread saw Bing’s Web Ranking PM Lead, \u003C\u002Fspan>\u003Cspan>Frédéric Dubut, state that Bingbot does indeed support crawl-delay.\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3 id=\"google-analytics-bug\">Google Analytics Bug\u003Cimg loading=\"lazy\" decoding=\"async\" class=\"wp-image-14281 alignright\" src=\"https:\u002F\u002Fimages.impression.co.uk\u002F2022\u002F01\u002Fbrighton-seo-kat-kynes-content-image-2.jpeg?auto=compress%2Cformat&q=90\" alt=\"\" width=\"220\" height=\"220\" \u002F>\u003C\u002Fh3>\n\u003Cp>\u003Cspan>During December 12th many digital marketers reported Google Analytics reporting to display signals of it being ‘broken’ and not presenting accurate and fresh data. \u003C\u002Fspan>\u003Ca rel=\"noreferrer noopener\" href=\"https:\u002F\u002Fsearchengineland.com\u002Fbug-in-google-search-console-performance-reports-impact-google-discover-reporting-326487\">\u003Cspan>Search Engine Land\u003C\u002Fspan>\u003C\u002Fa>\u003Cspan> reported that during the period of December 8th and December 13th, Google Discover impression and clicks may have not been reported on corrected, and as a result likely to see a data drop in the Performance report over this period. \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan>Google announced on Monday 16th that the issue had been solved, and going forward you should not see this issue after the 13th of December. \u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3 id=\"featured-snippet-testing\">Featured Snippet Testing\u003C\u002Fh3>\n\u003Cp>\u003Cspan>Recent SERP landscapes are showing that Google is testing out a new featured snippet section titled See What Others Say”. Emily Perry queried this new feature when searching for \u003Cem>‘testing for allergies’.\u003C\u002Fem> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cblockquote class=\"twitter-tweet\">\n\u003Cp dir=\"ltr\" lang=\"en\">\u003Ca rel=\"noreferrer noopener\" href=\"https:\u002F\u002Ftwitter.com\u002Frustybrick?ref_src=twsrc%5Etfw\">@rustybrick\u003C\u002Fa> have you ever seen a featured snippet with the “see what others say” drop downs before? query is “testing for allergies” i’m seeing this, then PAA boxes, then organic listings. “see what others say” wasn’t present in serps for this query yesterday, so it’s new\u002Fa test. \u003Ca rel=\"noreferrer noopener\" href=\"https:\u002F\u002Ft.co\u002Fmo5ZXOTbph\">pic.twitter.com\u002Fmo5ZXOTbph\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>— Emily Perry (@emilyatsylvane) \u003Ca rel=\"noreferrer noopener\" href=\"https:\u002F\u002Ftwitter.com\u002Femilyatsylvane\u002Fstatus\u002F1206929853825585152?ref_src=twsrc%5Etfw\">December 17, 2019\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fblockquote>\n\u003Cp>\u003Cscript async src=\"https:\u002F\u002Fplatform.twitter.com\u002Fwidgets.js\" charset=\"utf-8\">\u003C\u002Fscript>\u003C\u002Fp>\n\u003Cp>\u003Cspan>This is an interesting test as at current, Google only displays one primary source for a featured snippet. The test shows that Google is reviewing providing the user with various relevant sources to consider more useful for their query. Only a few users once tested have been able to view this within the SERPs, but this is definitely something to look out for and is likely to be helpful for different landscapes.\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch4 id=\"have-we-missed-anything-out-during-december-let-us-know-in-the-comments\">\u003Cem>Have we missed anything out during December? Let us know in the comments.\u003C\u002Fem>\u003C\u002Fh4>\n\u003Cp>\u003Cem>Read further \u003Ca rel=\"noreferrer noopener\" href=\"\u002Fblog\u002Fcategory\u002Fgoogle-algorithm-updates\u002F\">algorithmic updates\u003C\u002Fa> from the team, or \u003Ca rel=\"noreferrer noopener\" href=\"\u002Fget-in-touch\u002F\">get in touch\u003C\u002Fa> with our team of specialists today.  \u003C\u002Fem>\u003C\u002Fp>\n",false,"standard",[10,11],43,1,[],[14,15],98,95,[17,18,19,20,21,22,23,24,25],"post-4795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-google-algorithm-updates","category-seo",{"page_content_modules":27,"hero":78},[28,33],{"acf_fc_layout":29,"reduced":30,"top_overlap":-1,"bottom_underlap":-1,"disable_observer":30,"title":31,"content":6,"authors":32},"blog_post_content",true,"Google’s December Updates and Search Industry News",[],{"acf_fc_layout":34,"reduced":30,"top_overlap":35,"bottom_underlap":35,"disable_observer":-1,"heading":36,"cta_text":37,"cta_link":38,"items":39},"related_module","small","See more posts","See all articles","\u002Fblog\u002F",[40,54,63],{"type_key":18,"title":41,"excerpt":42,"to":43,"postedAt":44,"readingTime":45,"image":46,"authors":47,"category":51},"August 2026 Google algorithm and search industry updates","\u003Cp>This month, we bring you some exciting developments and updates from the world of search, with a clear focus on changes made to Google’s AI Overviews, the personalisation of search, and the way AIOs are affecting zero-click behaviour. The start of a large shift, and a slightly controversial one, is happening in the world of […]\u003C\u002Fp>\n","\u002Fblog\u002Faugust-2026-google-algorithm-and-search-industry-updates\u002F","2026-09-09T10:48:44",5,"https:\u002F\u002Fimages.impression.co.uk\u002F2026\u002F09\u002Ft-i-m-e-l-o-r-d-eCC0dhkg_pY-unsplash.jpg?auto=compress%2Cformat&fit=crop&h=640&q=90&w=640",[48],{"name":49,"image":50},"Scott Lynam","https:\u002F\u002Fimages.impression.co.uk\u002F2025\u002F05\u002FScott-Lynam.png?auto=compress&fit=crop&fm=jpg&h=150&q=80&w=150&bg=CFE6F9",{"to":52,"name":53},"\u002Fblog\u002Fcategory\u002Fseo\u002F","SEO",{"type_key":18,"title":55,"excerpt":56,"to":57,"postedAt":58,"readingTime":45,"image":59,"authors":60,"category":62},"July 2026 Google Algorithm and Search Industry Updates","\u003Cp>This month, we bring you some exciting developments and updates from the world of search, with a clear focus on tailoring AI search results in Google and an upgrade to WordPress e-commerce websites. The start of a large shift, and a slightly controversial one, is happening in e-commerce: Google has started initial tests for AI-generated […]\u003C\u002Fp>\n","\u002Fblog\u002Fjuly-2026-google-algorithm-and-search-industry-updates\u002F","2026-08-04T14:15:43","https:\u002F\u002Fimages.impression.co.uk\u002F2026\u002F08\u002Frubaitul-azad-58HvxSq7rrU-unsplash.jpg?auto=compress%2Cformat&fit=crop&h=640&q=90&w=640",[61],{"name":49,"image":50},{"to":52,"name":53},{"type_key":18,"title":64,"excerpt":65,"to":66,"postedAt":67,"readingTime":68,"image":69,"authors":70,"category":77},"How information gain solves commodity SEO","\u003Cp>When building informational assets as an SEO professional, how can you distinguish your brand when so many articles often mirror one another? The answer lies in information gain. By moving away from replication and toward the creation of unique value, you provide both Google and users with a compelling reason to prefer your brand over […]\u003C\u002Fp>\n","\u002Fblog\u002Fhow-information-gain-solves-commodity-seo\u002F","2026-07-20T11:37:53",12,"https:\u002F\u002Fimages.impression.co.uk\u002F2026\u002F07\u002Fgetty-images-lwAc6CL9tlM-unsplash.jpg?auto=compress%2Cformat&fit=crop&h=640&q=90&w=640",[71,74],{"name":72,"image":73},"Rhianne Moriarty","https:\u002F\u002Fimages.impression.co.uk\u002F2021\u002F05\u002FOxCBEwDu-Rhianne-Moriaty.png?auto=compress&fit=crop&fm=jpg&h=150&q=80&w=150&bg=CFE6F9",{"name":75,"image":76},"Milly Green","https:\u002F\u002Fimages.impression.co.uk\u002F2025\u002F02\u002FMilly-Green.png?auto=compress&fit=crop&fm=jpg&h=150&q=80&w=150&bg=CFE6F9",{"to":52,"name":53},{"type":79,"style":80,"heading":31,"date":4,"updatedAt":81,"reading_minutes":82,"image":83,"imageAlt":31,"categories":84,"collections":357},"blog-post","light","2022-02-07T16:48:19",4,"https:\u002F\u002Fimages.impression.co.uk\u002F2021\u002F07\u002FAioYtVrM-050720211625506296_December-Algorithm-Update-Header.jpg?auto=compress%2Cformat&fit=crop&h=1180&q=90&w=1860",[85,273],{"id":10,"count":86,"description":87,"link":88,"name":89,"slug":90,"taxonomy":91,"parent":92,"meta":93,"acf":94,"head_links":95,"resource_count":96,"yoast_title":97,"yoast_meta":98,"yoast_json_ld":143,"_links":241,"path":88},96,"\u003Cp class=\"p1\">An essential part of every SEO \u003Ca href=\"\u002Fdigital-marketing\u002Fstrategy\u002F\">strategy\u003C\u002Fa> is to stay on top of recent Google Algorithm updates. With search engines constantly seeking to better serve its users, webmasters must adhere to the latest guidelines to continue growing their organic rankings and traffic.\u003C\u002Fp>\r\n\r\n\u003Cp class=\"p1\">Find out more about our \u003Ca href=\"\u002Fseo\u002F\">SEO services\u003C\u002Fa> or browse our blogs below for our thoughts on the latest algorithm and industry updates.\u003C\u002Fp>","\u002Fblog\u002Fcategory\u002Fgoogle-algorithm-updates\u002F","Google Algorithm Updates","google-algorithm-updates","category",0,[],[],[],3,"Google Algorithm Updates | Tips & Advice | Impression",[99,101,104,107,110,113,116,118,120,122,125,128,131,134,137,140],{"property":100,"content":97},"title",{"property":102,"content":103},"description","A comprehensive resource on Google algorithm updates with the latest news and SEO industry insights, written by digital marketing experts at Impression.",{"name":105,"content":106},"robots","index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1",{"property":108,"content":109},"canonical","https:\u002F\u002Fadmin.impressiondigital.com\u002Fblog\u002Fcategory\u002Fgoogle-algorithm-updates\u002F",{"name":111,"content":112},"og:locale","en-GB",{"property":114,"content":115},"og:type","article",{"property":117,"content":97},"og:title",{"property":119,"content":103},"og:description",{"property":121,"content":109},"og:url",{"property":123,"content":124},"og:site_name","Impression",{"property":126,"content":127},"og:image","https:\u002F\u002Fimages.impression.co.uk\u002F2021\u002F06\u002FABFPXguH-Opengraph-BLUE.jpg?auto=compress%2Cformat&q=90",{"property":129,"content":130},"og:image:width",1200,{"property":132,"content":133},"og:image:height",630,{"property":135,"content":136},"og:image:type","image\u002Fjpeg",{"property":138,"content":139},"twitter:card","summary_large_image",{"property":141,"content":142},"twitter:site","@impressiontalk",{"@context":144,"@graph":145},"https:\u002F\u002Fschema.org",[146,154,163,174],{"@type":147,"@id":148,"url":148,"name":97,"isPartOf":149,"description":103,"breadcrumb":151,"inLanguage":153},"CollectionPage","https:\u002F\u002Fwww.impressiondigital.com\u002Fblog\u002Fcategory\u002Fgoogle-algorithm-updates\u002F",{"@id":150},"https:\u002F\u002Fwww.impressiondigital.com\u002F#website",{"@id":152},"https:\u002F\u002Fwww.impressiondigital.com\u002Fblog\u002Fcategory\u002Fgoogle-algorithm-updates\u002F#breadcrumb","en",{"@type":155,"@id":152,"itemListElement":156},"BreadcrumbList",[157,161],{"@type":158,"position":11,"name":159,"item":160},"ListItem","Home","https:\u002F\u002Fwww.impressiondigital.com\u002F",{"@type":158,"position":162,"name":89},2,{"@type":164,"@id":150,"url":160,"name":124,"description":165,"publisher":166,"inLanguage":112,"potentialAction":168},"WebSite","",{"@id":167},"https:\u002F\u002Fwww.impressiondigital.com\u002F#organization",{"@type":169,"target":170,"query-input":173},"SearchAction",{"@type":171,"urlTemplate":172},"EntryPoint","https:\u002F\u002Fwww.impressiondigital.com\u002Fsearch?q={search_term_string}","required name=search_term_string",{"@type":175,"@id":167,"name":124,"url":160,"logo":176,"image":182,"sameAs":183,"@context":187,"email":188,"foundingDate":189,"legalName":190,"vatID":191,"description":192,"telephone":193,"address":194,"location":201,"areaServed":234},"Organization",{"@type":177,"inLanguage":112,"@id":178,"url":179,"contentUrl":179,"width":180,"height":181,"caption":124},"ImageObject","https:\u002F\u002Fwww.impressiondigital.com\u002F#\u002Fschema\u002Flogo\u002Fimage\u002F","https:\u002F\u002Fcdn.impression.co.uk\u002F2021\u002F06\u002FA5LuTDrq-Impression_Wordmark.png",920,176,"https:\u002F\u002Fcdn.impression.co.uk\u002F2021\u002F04\u002FFAVxDeOS-Nottingham.jpg",[184,185,186],"https:\u002F\u002Fwww.linkedin.com\u002Fcompany\u002Fimpression-digital-limited","https:\u002F\u002Fwww.facebook.com\u002Fimpression\u002F","https:\u002F\u002Fwww.instagram.com\u002Fimpressiontalk\u002F","https:\u002F\u002Fwww.schema.org\u002F","hello@impressiondigital.com","2012-11-07","Impression Digital Limited","GB186363774","Impression is an award-winning digital marketing agency based in the UK and USA. We offer SEO agency, PPC agency, Digital PR agency and Analytics services to companies of all sizes across the UK, North America, Europe and beyond. 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Then you’ve come to the right place. We regularly publish blogs on the announcements, updates, and strategies that are shaking up the industry.\u003C\u002Fp>\r\n\r\n\u003Cp class=\"p1\">Find out more about our \u003Ca href=\"\u002Fseo\u002F\">SEO services\u003C\u002Fa>, or browse our blog posts below for our latest tips, advice and guides. If you’re interested, why not check out our \u003Ca href=\"\u002Four-work\u002Fservice\u002Fseo\u002F\">SEO case studies\u003C\u002Fa> too?\u003C\u002Fp>","seo",[],[],[],27,"SEO Blog | SEO Tips, Advice & Guides | Impression",[283,284,286,287,289,290,291,292,293,294,295,296,297,298,299,300],{"property":100,"content":281},{"property":102,"content":285},"Keeping up to date with the latest SEO trends, strategies, and announcements can be difficult. 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