{"id":108,"date":"2010-08-06T05:26:51","date_gmt":"2010-08-05T21:26:51","guid":{"rendered":"http:\/\/blog.zeemaps.com\/?p=108"},"modified":"2010-08-06T05:26:51","modified_gmt":"2010-08-05T21:26:51","slug":"clustering-markers-for-improved-performance","status":"publish","type":"post","link":"https:\/\/www.zeemaps.com\/blog\/clustering-markers-for-improved-performance\/","title":{"rendered":"Clustering markers for improved performance"},"content":{"rendered":"<p>ZeeMaps supports marker &#8220;clustering&#8221; for improved performance. Clustering groups nearby markers into &#8220;clusters&#8221; and shows them as small blue circles, instead of the individual marker. Since the map display does not have to draw as many markers, the display performs faster, with less visual clutter.<br \/>\nIn the past we&#8217;ve automatically added marker clustering to maps with more than 100 markers. Over the years, Google Maps marker performance has improved, and 100 markers is no longer a good threshold. In fact, with our progressive display technology, even 1000&#8217;s of markers is okay to display without clustering.<br \/>\n<del datetime=\"2010-08-13T20:26:46+00:00\">From now on, therefore, we are removing the automatic clustering of markers.<\/del> If you want to cluster markers for improved visualization or speed, please use the &#8220;Settings -&gt; Markers -&gt; Group nearby markers&#8221; menu command to enable marker clustering on your map.<br \/>\nWe&#8217;ve revised the settings such that when you create a map and it reaches 400 markers, the markers will automatically be set to small markers. When the map reaches 1000 markers, the map will automatically be set to use clustering. You can undo these effects using the Settings -&gt; Markers menu item.<br \/>\nWith this new mechanism maps with even less than 100 markers can enabling clustering to reduce visual clutter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ZeeMaps supports marker &#8220;clustering&#8221; for improved performance. Clustering groups nearby markers into &#8220;clusters&#8221; and shows them as small blue circles, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[31,1,35],"tags":[],"class_list":["post-108","post","type-post","status-publish","format-standard","hentry","category-speed-up","category-uncategorized","category-webtech"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Clustering markers for improved performance - Blog<\/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:\/\/www.zeemaps.com\/blog\/clustering-markers-for-improved-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Clustering markers for improved performance\" \/>\n<meta property=\"og:description\" content=\"ZeeMaps supports marker &#8220;clustering&#8221; for improved performance. Clustering groups nearby markers into &#8220;clusters&#8221; and shows them as small blue circles, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.zeemaps.com\/blog\/clustering-markers-for-improved-performance\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/zeemaps\/?eid=ARAnw5BHDEcPHqlBzf_tUU6RxgnuKkzgzT5s5QMgIRYMwX0SqumGMVw2js5zh-5w0hMXyIK_SJuSQ3aN\" \/>\n<meta property=\"article:published_time\" content=\"2010-08-05T21:26:51+00:00\" \/>\n<meta name=\"author\" content=\"zeemaps\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@zeemaps\" \/>\n<meta name=\"twitter:site\" content=\"@zeemaps\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"zeemaps\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/clustering-markers-for-improved-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/clustering-markers-for-improved-performance\\\/\"},\"author\":{\"name\":\"zeemaps\",\"@id\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/#\\\/schema\\\/person\\\/01ec07516b57be99c58bb304e3f62cdd\"},\"headline\":\"Clustering markers for improved performance\",\"datePublished\":\"2010-08-05T21:26:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/clustering-markers-for-improved-performance\\\/\"},\"wordCount\":212,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/#organization\"},\"articleSection\":{\"0\":\"speed-up\",\"2\":\"Web\\\/Tech\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/clustering-markers-for-improved-performance\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/clustering-markers-for-improved-performance\\\/\",\"url\":\"https:\\\/\\\/www.zeemaps.com\\\/blog\\\/clustering-markers-for-improved-performance\\\/\",\"name\":\"Clustering markers for improved performance - 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