{"id":27161,"date":"2016-12-21T15:55:11","date_gmt":"2016-12-21T13:55:11","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/?p=27161"},"modified":"2016-12-21T16:26:23","modified_gmt":"2016-12-21T14:26:23","slug":"why-are-browsers-so-slow","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2016\/12\/21\/why-are-browsers-so-slow\/","title":{"rendered":"Why are browsers so slow?"},"content":{"rendered":"<!-- google_ad_section_start -->\n<p>As a user of Opera browser in the good ol&#8217; days, <a href=\"http:\/\/ilyabirman.net\/meanwhile\/all\/why-are-browsers-so-slow\/\">I share Ilya Birman&#8217;s pain<\/a> &#8230;<\/p>\n<blockquote><p>But\u00a0I am not\u00a0talking about rendering and\u00a0scripts. I am talking about everything else. Safari may take a\u00a0second or\u00a0two <i>just to\u00a0open a\u00a0new blank<\/i> tab on\u00a0a\u00a02014 iMac. And\u00a0with ten or\u00a0fifteen open tabs it eventually becomes sluggish as\u00a0hell. Chrome is better, but\u00a0not\u00a0much so.<\/p><\/blockquote>\n<p>&#8230; and this too &#8230;<\/p>\n<blockquote><p>What would you do today if you opened a\u00a0link and\u00a0saw a\u00a0long article which you don\u2019t have time to\u00a0read right now, but\u00a0want to\u00a0read later? You would save a\u00a0link and\u00a0close the\u00a0tab. But\u00a0when your browser is fast, you just don\u2019t tend to\u00a0close tabs which you haven\u2019t dealt with. In\u00a0Opera, I would let tabs stay open <i>for\u00a0months<\/i> without having any impact on\u00a0my machine\u2019s performance.<\/p>\n<p>Wait, but\u00a0didn\u2019t I restart my computer or\u00a0the\u00a0browser sometimes? Of\u00a0course I did. Unfortunately, modern browsers are so stupid that they reload all the\u00a0tabs when you restart them. Which takes ages if you have a\u00a0hundred of\u00a0tabs. Opera was sane: it did not\u00a0reload a\u00a0tab unless you asked for\u00a0it. It just reopened everything from cache. Which took a\u00a0couple of\u00a0seconds.<\/p><\/blockquote>\n<p>In fact, maybe it&#8217;s a good time to try out <a href=\"http:\/\/www.opera.com\/\">Opera browser<\/a> again. \u00a0After all, the two primary reasons I&#8217;ve switched from it were:<\/p>\n<ul>\n<li>Open Source. \u00a0This was back in a day when I was a zealot. \u00a0(Yeah, if you think I&#8217;m one now, you should have seen me in my 20&#8217;s.) \u00a0Now \u00a0I am much more calm about the licensing.<\/li>\n<li>Rendering issues. \u00a0That was back when Opera had its own rendering engine and couldn&#8217;t quite keep up with all the changes on the Web. \u00a0Since then, <a href=\"http:\/\/www.css3.info\/opera-announces-switch-to-webkit-rendering-engine\/\">Opera has dumped its Presto rendering engine in favor of Webkit<\/a> (the same engine that Google Chrome, Chromium and Safari browsers are using), and then <a href=\"http:\/\/thenextweb.com\/insider\/2013\/04\/04\/opera-confirms-it-will-follow-google-and-ditch-webkit-for-blink-as-part-of-its-commitment-to-chromium\/\">dumped Webkit in favor of Blink<\/a>, which is like &#8230; erm .. new Webkit (?) or something like that.<\/li>\n<\/ul>\n<p>So maybe it&#8217;s good enough in rendering department and I can have my performance and tab management back. \u00a0As Ilya mentions, no other browser came close to the tab management of Opera back in a day. \u00a0I frequently have a 30+ tabs open, and its only because that&#8217;s as much as Chrome can handle on my laptop.<\/p>\n<p><strong>Update<\/strong>: Tried out the latest version of Opera now for about half an hour. \u00a0I suddenly remembered another reason for why I&#8217;ve switched &#8211; fonts. \u00a0Default fonts configuration is far from optimal. \u00a0For multilingual pages (English and Russian) is more than horrific. \u00a0Oh well, I guess, I&#8217;ll have to wait some more.<\/p>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>As a user of Opera browser in the good ol&#8217; days, I share Ilya Birman&#8217;s pain &#8230; But\u00a0I am not\u00a0talking about rendering and\u00a0scripts. I am talking about everything else. Safari may take a\u00a0second or\u00a0two just to\u00a0open a\u00a0new blank tab on\u00a0a\u00a02014 iMac. And\u00a0with ten or\u00a0fifteen open tabs it eventually becomes sluggish as\u00a0hell. Chrome is better, but\u00a0not\u00a0much &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2016\/12\/21\/why-are-browsers-so-slow\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Why are browsers so slow?<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Why are browsers so slow? #Opera #browsers #WebWork","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1,62,1334],"tags":[20,65,566],"keyring_services":[],"class_list":["post-27161","post","type-post","status-publish","format-standard","hentry","category-general","category-technology","category-web-work","tag-browsers","tag-desktop","tag-opera"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"As a user of Opera browser in the good ol&#039; days, I share Ilya Birman&#039;s pain ... 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Chrome is better, but not much","twitter:creator":"@mamchenkov","twitter:image":"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg"},"aioseo_meta_data":{"post_id":"27161","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2023-07-20 00:36:57","updated":"2026-01-15 12:34:45","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/\" title=\"Technology\">Technology<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/web-work\/\" title=\"Web work\">Web work<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tWhy are browsers so slow?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/mamchenkov.net\/wordpress"},{"label":"Technology","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/"},{"label":"Web work","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/web-work\/"},{"label":"Why are browsers so slow?","link":"https:\/\/mamchenkov.net\/wordpress\/2016\/12\/21\/why-are-browsers-so-slow\/"}],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":26329,"url":"https:\/\/mamchenkov.net\/wordpress\/2016\/08\/09\/ask-slashdot-best-browser-extensions-2016-edition\/","url_meta":{"origin":27161,"position":0},"title":"Ask Slashdot: Best Browser Extensions &#8212; 2016 Edition","author":"Leonid Mamchenkov","date":"August 9, 2016","format":false,"excerpt":"Slashdot is running a discussion thread on what are the best browser extensions these days. \u00a0The comments cover a variety of browsers and all kinds of extensions. \u00a0The most popular are, of course, well know. \u00a0But there are a few gems here and there. For me personally, I've picked the\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"snooze_panel","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2016\/08\/snooze_panel-490x500.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":10875,"url":"https:\/\/mamchenkov.net\/wordpress\/2007\/10\/31\/firefox-feature-wishlist-tab-groups\/","url_meta":{"origin":27161,"position":1},"title":"Firefox feature wishlist : tab groups","author":"Leonid Mamchenkov","date":"October 31, 2007","format":false,"excerpt":"I wish Firefox (or any web browser for that matter) had a nice and easy way to group tabs together. If I could just move or copy tabs between groups, color them differently together or one by one, collapse and expand groups, search for tab, link tabs together (close one\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":47572,"url":"https:\/\/mamchenkov.net\/wordpress\/2020\/03\/11\/google-chrome-tab-groups\/","url_meta":{"origin":27161,"position":2},"title":"Google Chrome Tab Groups","author":"Leonid Mamchenkov","date":"March 11, 2020","format":false,"excerpt":"Thanks to this great tip I've discovered the recently added Tab Groups functionality in Google Chrome browser. All you need to do is navigate to chrome:\/\/flags\/ , search for \"Tab Groups\" feature, enable it, and restart your browser. Once that is done, right-click on any tab and you'll see the\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/03\/google-chrome-tab-groups.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/03\/google-chrome-tab-groups.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/03\/google-chrome-tab-groups.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/03\/google-chrome-tab-groups.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/03\/google-chrome-tab-groups.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2020\/03\/google-chrome-tab-groups.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14971,"url":"https:\/\/mamchenkov.net\/wordpress\/2011\/05\/27\/firefox-4-is-awesome\/","url_meta":{"origin":27161,"position":3},"title":"Firefox 4 is awesome!","author":"Leonid Mamchenkov","date":"May 27, 2011","format":false,"excerpt":"If you've been reading this blog for a while, you know that I switched my default browser a few times already.\u00a0 I went from Mozilla Firefox and Opera to Google Chrome and back a few times.\u00a0 Recently, I've been very satisfied with Google Chrome.\u00a0 The main advantage of it is\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2011\/05\/firefox_tab_groups-500x250.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":8572,"url":"https:\/\/mamchenkov.net\/wordpress\/2005\/02\/02\/mark-this-day-in-the-calendar\/","url_meta":{"origin":27161,"position":4},"title":"Mark this day in the calendar","author":"Leonid Mamchenkov","date":"February 2, 2005","format":false,"excerpt":"I am writing this post to mark today in the calendar forever. Today I have intentionally opened the second browser window. Pre-multi-tab-browsers times don't count. I use web a lot, but until today I managed to squeeze everything into a single Firefox window with a bunch of tabs. No problem\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10932,"url":"https:\/\/mamchenkov.net\/wordpress\/2007\/11\/22\/the-state-of-browser-affairs\/","url_meta":{"origin":27161,"position":5},"title":"The state of browser affairs","author":"Leonid Mamchenkov","date":"November 22, 2007","format":false,"excerpt":"First, a little joke to set the scene (forgive a rough translation from Russian)... Lion, the king of all animals, was running some statistics over his animal kingdom.\u00c2\u00a0 He called all animals and made the speech.\u00c2\u00a0 \"Dear all,\" - he said, - \"I am trying to figure out how to\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/27161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/comments?post=27161"}],"version-history":[{"count":0,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/27161\/revisions"}],"wp:attachment":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/media?parent=27161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/categories?post=27161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/tags?post=27161"},{"taxonomy":"keyring_services","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/keyring_services?post=27161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}