{"id":22238,"date":"2021-07-16T11:44:16","date_gmt":"2021-07-16T04:44:16","guid":{"rendered":"https:\/\/gudjob.net\/?p=22238"},"modified":"2026-08-18T08:35:10","modified_gmt":"2026-08-18T01:35:10","slug":"thuat-toan-instagram-hoat-dong-nhu-the-nao-trong-2021","status":"publish","type":"post","link":"https:\/\/gudjob.net\/en\/blog\/thuat-toan-instagram-hoat-dong-nhu-the-nao-trong-2021\/","title":{"rendered":"How the Instagram Algorithm Works in 2021"},"content":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y, GUDJOB s\u1ebd l\u00e0m s\u00e1ng t\u1ecf nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 thu\u1eadt to\u00e1n c\u1ee7a Instagram nh\u01b0 &#8220;L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 Instagram quy\u1ebft \u0111\u1ecbnh nh\u1eefng g\u00ec hi\u1ec3n th\u1ecb cho t\u00f4i \u0111\u1ea7u ti\u00ean?&#8221;; &#8220;T\u1ea1i sao m\u1ed9t s\u1ed1 b\u00e0i \u0111\u0103ng c\u1ee7a t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u l\u01b0\u1ee3t xem h\u01a1n nh\u1eefng b\u00e0i kh\u00e1c?&#8221;.<\/p>\n<h2 id=\"thu%E1%BA%ADt-to%C3%A1n-l%C3%A0-g%C3%AC\">&#8220;Thu\u1eadt to\u00e1n&#8221; l\u00e0 g\u00ec?<\/h2>\n<p>When it first launched in 2010, Instagram was a single stream of photos in chronological order.<\/p>\n<p>M\u1ed7i ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng &#8211; Feed, Explore, Reels &#8211; s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n ri\u00eang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1ch m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng. M\u1ecdi ng\u01b0\u1eddi c\u00f3 xu h\u01b0\u1edbng t\u00ecm ki\u1ebfm nh\u1eefng ng\u01b0\u1eddi b\u1ea1n th\u00e2n nh\u1ea5t c\u1ee7a h\u1ecd trong Story, nh\u01b0ng h\u1ecd mu\u1ed1n kh\u00e1m ph\u00e1 \u0111i\u1ec1u g\u00ec \u0111\u00f3 ho\u00e0n to\u00e0n m\u1edbi trong Explore. Instagram x\u1ebfp h\u1ea1ng m\u1ecdi th\u1ee9 kh\u00e1c nhau \u1edf c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a \u1ee9ng d\u1ee5ng, d\u1ef1a tr\u00ean c\u00e1ch m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng ch\u00fang.<\/p>\n<h2 id=\"c%C3%A1ch-instagram-x%E1%BA%BFp-h%E1%BA%A1ng-feed-v%C3%A0-story\">C\u00e1ch Instagram x\u1ebfp h\u1ea1ng &#8220;Feed&#8221; v\u00e0 &#8220;Story&#8221;<\/h2>\n<p>Over the years, Instagram has found that Feed and Stories are where people want to see content from friends, family, and those they are closest to.<\/p>\n<figure class=\"kg-card kg-image-card\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1615494488092-b13b68fe0eb5?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDM5fHxpbnN0YWdyYW18ZW58MHx8fHwxNjI2NDA5MDg4&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=2000\" class=\"kg-image\" width=\"3984\" height=\"2656\" srcset=\"https:\/\/images.unsplash.com\/photo-1615494488092-b13b68fe0eb5?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDM5fHxpbnN0YWdyYW18ZW58MHx8fHwxNjI2NDA5MDg4&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=600 600w, https:\/\/images.unsplash.com\/photo-1615494488092-b13b68fe0eb5?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDM5fHxpbnN0YWdyYW18ZW58MHx8fHwxNjI2NDA5MDg4&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=1000 1000w, https:\/\/images.unsplash.com\/photo-1615494488092-b13b68fe0eb5?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDM5fHxpbnN0YWdyYW18ZW58MHx8fHwxNjI2NDA5MDg4&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=1600 1600w, https:\/\/images.unsplash.com\/photo-1615494488092-b13b68fe0eb5?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDM5fHxpbnN0YWdyYW18ZW58MHx8fHwxNjI2NDA5MDg4&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=2400 2400w\" sizes=\"auto, (min-width: 720px) 720px\" alt=\"|\"><\/figure>\n<p>Start by determining what will appear in the first place.<\/p>\n<p>Next, Instagram will collect user signals to make predictions.<\/p>\n<ul>\n<li><strong>Information about the post.<\/strong> These are signals about a post's popularity, including: how many people have liked it, the specific content, when it was posted, the length (if it's a video), and the location (if any) attached to it.<\/li>\n<li><strong>Information about the person who posted.<\/strong> This helps Instagram know how interesting that person might be to you, and includes signals like how many times people have interacted with that person in the past few weeks.<\/li>\n<li><strong>Your activity.<\/strong> This helps Instagram understand what you might be interested in and includes signals like how many posts you've liked.<\/li>\n<li><strong>History of your interactions with someone.<\/strong> This tells Instagram how interested you are in general in seeing posts from a particular person.<\/li>\n<\/ul>\n<p>From there, Instagram makes a set of predictions.<\/p>\n<figure class=\"kg-card kg-image-card\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1547032175-7fc8c7bd15b3?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDR8fGluc3RhZ3JhbSUyMGZlZWR8ZW58MHx8fHwxNjI2NDEwMDAz&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=2000\" class=\"kg-image\" width=\"5616\" height=\"3744\" srcset=\"https:\/\/images.unsplash.com\/photo-1547032175-7fc8c7bd15b3?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDR8fGluc3RhZ3JhbSUyMGZlZWR8ZW58MHx8fHwxNjI2NDEwMDAz&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=600 600w, https:\/\/images.unsplash.com\/photo-1547032175-7fc8c7bd15b3?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDR8fGluc3RhZ3JhbSUyMGZlZWR8ZW58MHx8fHwxNjI2NDEwMDAz&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=1000 1000w, https:\/\/images.unsplash.com\/photo-1547032175-7fc8c7bd15b3?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDR8fGluc3RhZ3JhbSUyMGZlZWR8ZW58MHx8fHwxNjI2NDEwMDAz&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=1600 1600w, https:\/\/images.unsplash.com\/photo-1547032175-7fc8c7bd15b3?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=MnwxMTc3M3wwfDF8c2VhcmNofDR8fGluc3RhZ3JhbSUyMGZlZWR8ZW58MHx8fHwxNjI2NDEwMDAz&amp;ixlib=rb-1.2.1&amp;q=80&amp;w=2400 2400w\" sizes=\"auto, (min-width: 720px) 720px\" alt=\"|\"><\/figure>\n<p>Instagram is all about letting people express themselves, but when someone posts content that could jeopardize the safety of others, they intervene.<\/p>\n<p>Another important case to mention is misinformation.<\/p>\n<h2 id=\"c%C3%A1ch-instagram-x%E1%BA%BFp-h%E1%BA%A1ng-explore\">C\u00e1ch Instagram x\u1ebfp h\u1ea1ng &#8220;Explore&#8221;<\/h2>\n<p>Explore \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00e1m ph\u00e1 nh\u1eefng \u0111i\u1ec1u m\u1edbi &#8211; nh\u1eefng h\u00ecnh \u1ea3nh v\u00e0 video m\u00e0 Instagram ngh\u0129 r\u1eb1ng s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi t\u00ednh c\u00e1ch v\u00e0 s\u1edf th\u00edch c\u1ee7a h\u1ecd.<\/p>\n<p>The best way to predict how interested a user is in something is to predict how likely they are to do something with the post.<\/p>\n<ul>\n<li><strong>Information about the post.<\/strong> Here Instagram looks at the popularity of a post, including signals like how many and how quickly others like, comment, share and save the post.<\/li>\n<li><strong>Your history of interactions with the person who posted.<\/strong> Most likely the post was shared by someone you've never heard of, but if you've interacted with them, that tells Instagram you might be interested in what they shared.<\/li>\n<li><strong>Your activity.<\/strong> These are signals like posts you've liked, saved, or commented on, and how you've interacted with posts in Explore in the past.<\/li>\n<li><strong>Information about the person who posted.<\/strong> These are signals like how many times people have interacted with that person in the past few weeks, to help find engaging content from a variety of people.<\/li>\n<\/ul>\n<p>In addition to its community guidelines, Instagram also has rules for what it recommends in places like Explore.<\/p>\n<h2 id=\"c%C3%A1ch-instagram-x%E1%BA%BFp-h%E1%BA%A1ng-reels\">C\u00e1ch Instagram x\u1ebfp h\u1ea1ng &#8220;Reels&#8221;<\/h2>\n<p>Reels are designed to entertain users.<\/p>\n<figure class=\"kg-card kg-image-card\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gudjob.net\/wp-content\/uploads\/2026\/08\/reels.jpg\" class=\"kg-image\" width=\"2000\" height=\"1050\" srcset=\"https:\/\/gudjob.net\/wp-content\/uploads\/2026\/08\/reels-1.jpg 600w, https:\/\/gudjob.net\/wp-content\/uploads\/2026\/08\/reels-2.jpg 1000w, https:\/\/gudjob.net\/wp-content\/uploads\/2026\/08\/reels-3.jpg 1600w, https:\/\/gudjob.net\/wp-content\/uploads\/2026\/08\/reels.jpg 2000w\" sizes=\"auto, (min-width: 720px) 720px\" alt=\"|\"><\/figure>\n<p>However, with Reels, Instagram specifically focuses on what can entertain users.<\/p>\n<ul>\n<li><strong>Your activity.<\/strong> Instagram looks at things like Reels that you've liked, commented on, and interacted with recently.<\/li>\n<li><strong>Your history of interactions with the person who posted.<\/strong> Like in Explore, it's possible that the video was created by someone you've never heard of, but if you've interacted with them, it shows that you might be interested in what they have to say.<\/li>\n<li><strong>Information about Reels. <\/strong>These are signals about the content within the video, such as the audio track, understanding the video based on pixels and the entire frame, and popularity.<\/li>\n<li><strong>Information about the person who posted.<\/strong> Instagram considers popularity to help find engaging content from many people and gives everyone the opportunity to find their audience.<\/li>\n<\/ul>\n<p>C\u00e1c &#8220;Nguy\u00ean t\u1eafc \u0111\u1ec1 xu\u1ea5t&#8221; t\u01b0\u01a1ng t\u1ef1 c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho Reels.<\/p>\n<h2 id=\"l%C3%A0m-th%E1%BA%BF-n%C3%A0o-b%E1%BA%A1n-c%C3%B3-th%E1%BB%83-%E1%BA%A3nh-h%C6%B0%E1%BB%9Fng-%C4%91%E1%BA%BFn-nh%E1%BB%AFng-g%C3%AC-b%E1%BA%A1n-th%E1%BA%A5y\">How can you influence what you see?<\/h2>\n<p>How you use Instagram greatly affects what you see and don't see.<\/p>\n<ul>\n<li><strong>Choose your close friends.<\/strong> You can choose your close friends for Story.<\/li>\n<li><strong>Ignore people you don't care about.<\/strong> You can hide the account if you want to stop seeing what they share but are hesitant about unfollowing them altogether.<\/li>\n<li><strong>Mark suggested posts as \u201cNot interested\u201d.<\/strong> Whenever you see a recommendation, whether it's in Explore or in Feed, you can indicate you're \"not interested\" in that post.<\/li>\n<\/ul>\n<p>Instagram has created more features for users to experience.<\/p>\n<\/p>\n<p>Source: Instagram<\/p>","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y, GUDJOB s\u1ebd l\u00e0m s\u00e1ng t\u1ecf nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 thu\u1eadt to\u00e1n c\u1ee7a Instagram nh\u01b0 &#8220;L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 Instagram quy\u1ebft \u0111\u1ecbnh nh\u1eefng g\u00ec hi\u1ec3n th\u1ecb cho t\u00f4i \u0111\u1ea7u ti\u00ean?&#8221;; &#8220;T\u1ea1i sao m\u1ed9t s\u1ed1 b\u00e0i \u0111\u0103ng c\u1ee7a t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u l\u01b0\u1ee3t xem h\u01a1n nh\u1eefng b\u00e0i kh\u00e1c?&#8221;. &#8220;Thu\u1eadt to\u00e1n&#8221; l\u00e0 g\u00ec? Khi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":22355,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"wpai_generated_summary":"","footnotes":""},"categories":[173],"tags":[191,197],"class_list":["post-22238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang-xa-hoi","tag-instagram","tag-mang-xa-hoi"],"acf":[],"_links":{"self":[{"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/posts\/22238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/comments?post=22238"}],"version-history":[{"count":1,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/posts\/22238\/revisions"}],"predecessor-version":[{"id":23074,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/posts\/22238\/revisions\/23074"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/media\/22355"}],"wp:attachment":[{"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/media?parent=22238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/categories?post=22238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gudjob.net\/en\/wp-json\/wp\/v2\/tags?post=22238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}