It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-479740346417.mit-edu.top/post/0821963547

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-479740346417.mit-edu.top",cType: 'managed',cRay: '90f36275ffa95b53',cH: 'Nw8sqwcduQMtZOkzvp_iMroba2sL6yjVTO.Er9ixHG8-1739099129-1.2.1.1-PsaoTyyELz1XvH6bsDqxSyV3k6CvWLE7UVIb3LKafun6W6ueO3ws6t4HcoHOCbqc',cUPMDTk: "\/post\/0821963547?__cf_chl_tk=VRcz5nTUlNPxd_U9kA6eX5Hm3Lg7lpeyrrNg60SJUL8-1739099129-1.0.1.1-RMxxYiSYTgKgGL._TGk1gzloyXwWqk6KQ_drjLkLkCg",cFPWv: 'g',cITimeS: '1739099129',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0821963547?__cf_chl_f_tk=VRcz5nTUlNPxd_U9kA6eX5Hm3Lg7lpeyrrNg60SJUL8-1739099129-1.0.1.1-RMxxYiSYTgKgGL._TGk1gzloyXwWqk6KQ_drjLkLkCg",md: "PlfL9pA6sWX8EibB38xpzo9gGe2focjX1JiJ85ECgj4-1739099129-1.2.1.1-fekUCHCmOGcJMNI26_H1Xkd7WOVsKokxAeky2pUWk5Ye0Afylba_qcvc9r_S5ZfDjRkgZcOL1dj3yL7qSPIBI9Ao.qfGIlmIZmmoXgLFwHqstAlenlLhRnd3mdnlbVkNT5.gocdO6iRQOwr3QALrKizs2cRGsb9UTdPgqBMeWGx4iEuLCMDO8H_WsMB41uhn9LIwc0L8_.bZJgHzxXHGiBMvmTr2Vi.y4roppydNeq2shuu4ze66yuXpQALx0nYtRbCFZdCIexIba8JEr05oNqwjbeihFFCTYQwLbuv8B89gEkGX2jwCTSz5hGnuyGz6MBWMjsGqR0mrcOMVufYLvGMqIhmffJw5DB_QLav5St707Y.oPCJuTaP.BOyFr7RuOtbheQlk6UAGu5kljUVjpeHOXobNm7HW_l62o4pDjJ_mBPkcmH_mXL9TGvbxHS2Q91UU4AZm3SFwkd3nkT2nB7bYVKGps1dNuNjYzYXVpUwo8FbFETkZQlaJmfKPt.xkvPj2sYYW5_gV0OpvUwRV4lxVlI1QZw00W7yB_nnnAEYFaKAK5OXTc6SMACs7UHW.nZ4dqbI.HsjuIYcjm9E4VEQGu4LDCFlo7oJdqPdiOx0QlUFoykjzGs7OTjeFVZj9JXjlxjOL2an8hhXK2_I9qarwWIfu_dEgNEgwHmjwgPz8B834ptGenEEn5hDcghHQmnLHppa12lVJb.6ysrDJ_T2MVnEmQN5ptm8Y9qwWSMQonyHjM5etF_dkVMznmrIGV_TWnicN9evvr4jc4GaN45QIpp1HQfjiymTn3flt4qv8CAIaHxMPLaTDiEOyrEnwFOLjUQoTc8srNeypASBzAcuiQhG1346cRe17ZdEfXKaiP7VSBMbGyhu2UMDayyW2UHrMsO8CIr795QSP29hqI8z_1MIQ9uvhUO8EdUSRHxV_YlnDyQXVDMOeOvXclObBrXgkSm_0ca1zmrsBH0OHgfPlA4AxPB_rvttyRporzLqqXOvt9feY7ZnL7SYqjRHvDxs5eV3yw0IMynRidoynOUXN_Hf1eUZNuQwyvlIhiG4N4mEQxm8dzXiHNqiM4I.15EZiGtHL4Fty_a5BqWuvEjdXx0oUiXCiqGcsQn0TJYz6G.99b5DiJvJsVM9H93cA39Ho7grXF7brnpBK1sqln1GBSrXDw.jo7m06HaujyZ49Osa2eQEmuk98AmFeErS2Wrn8htxdM9nSC.L8azVAEgCIbfCC8..JHpeH_efD.35845NVWh6lQH7V.5nuMKoXyhin1zL1H50zhZrAOxNe2iiswYaqVPHgmqbUrgxafQXaE73Dcgcu33wcv9Bimu0rlNdzPLTZen9PapLfkzqOCuFhPnzBDcGKhO8gEiWTA1EDdl39bv8KhdAX0x6PtC4tps0nA_KnG9P2hnPzF8ghqooqZO2F2eaX8SN0bMbrFU60PeOKGZ13T_cyXykre0DAnhSz5IhyraMlthmcmGWGFI.RnuiILxPlujiPNoSnEeJ3Hq3bsusiKMotzfl0LKPCA0HLfc81HQGrZAH07MBIRSOxhQHcMNiWqp6zqLieHkb7_IGhKigre.YG6km2sH0loFPX4GyZPmUa5HRuQqs3bIA64INONmYMJmjJyTrFY3Wl8b7X0N0UEZxENtxDQjGUz6xwlAdOlE1LD4L4YfzgDVxMcFoe4P9qB_dxeXnCti.1CTjDaADxkrPV.XRYZSqEd0kjfYa0lWbvCN4QiMiVpz5ORQnnGTxC8PYWn7yk.Tp9cgg7e2yFJIJGNQcln8emKPDeO4UTycAzh..ZZQ2VOOtr4z45F0tmHOtn4w8Bwz_v1CY69ug4mG7JfmxvKZGBfg97YJAuM09vH14wcqe7sJ1B7_HMVOAv70oAjGazPShbbyrQ0OXxNaNiLgwPdobGre..BCj1aqg_gZEjTRbDIuCIvmGuCBu9LyRNxnZep3pQaEIBUxYntn9CZqZKKe3qUQ8L3GjPSE5Iu0y51u2S5o3xOCaxKFqo7zw0AqoYG3NBz2Zgtniin9AiiX6jPmKTsCQ4DZLTLZ6g0yEpSoE_5TtjGrZRoC2rJvYHwFaqs_8PIFdTjQnzvVBVKDnA8R35qlVjnEcKxyd7mZ2izPTm_sLhAAJCiubwFjqMZ_RVsientRCg4_Qj5XpYaEHhwByX3Pp.pU73VrdxgWd6PQbR4C3iXFrnkL6sQL2U6bTYvjY5pTpJzsf2KbNBQWsDmXsP",mdrd: "Gl2Rtgv.jPOi28ZWzkz0ztre2DF8qdAE2AaC5XCRdMw-1739099129-1.2.1.1-GXs0j27T9L6GoJoPgImHSNeKm2DhbAj.3qi7VGtfNywVRk2xtxG9E76YPU.WIn2wTQbv8Xp9X45Ke61LiJnth1lAbCPWDBUekpQepfk2tGdATJvnSf9XWMt.KLCp5Wr4X9Btsbt.rXXpYanomB8TVvdSP9unaqrZtTUsx3jWwywjwToxapREaqy8DVea8G9URxWcDySs69xxTYCeIsFhm8ZG0gwrSbUdLCSn2wjqHPfu9vezv396RTSrSMIRHewbsGidMQ9XD6gM0V1N72Q3L9WpYVDQvh8gAFpLrg_3ElskJt2zsQ.vMStvIBKsr2MfUhswiM_LBLZEuldFbTnF_Yhckh4n_maQx5LvEAOM_gb8.omPrNXHSctNSUZxX71zohOuH.Gp9raX5XoC9vrnfWcffbdt6cgz7xnaYCbb8nX_MxpyUm4FaoWxquAhx6Js0XmizNpsQzMY3oZKZchi_Zmu52HG3nwl4tdFOCApQdNN3egtrHHHUxEqQM3mcJfYaJLht_o0h4oc8i0FtAQznAm6F1hJCTTrce6Vx43c7rESk_CHtu66eLpIbYxKdYlmz5uDixBDSn2JFVSrXbp5V5xWiL7FiBmAvgymBm2XA4ZJWcoWt9nvo3aWpHQ5DqNlAj51N0ZvtzZhHOcKtKgcuwYDdcsl3BbHABTkR8pVMRzOw9.GtGCQUfbx75MIpkAhvxocAPGFdj2XSpv4TFksogvIix9tmkuRweEMeUT7XIvctabGdTwfxi4fNz4YA4pw.7fzXL.ufIT4iFi5R4D3k3a_K3auA4jSqzs21dY6WL2hnAWt1CJYw80HGco1wTdJ8Uu5h77oGG5tH53dMP79xsLSAHyPUE65x3XUs4tT0luXMwQZdNT62ORqSOWJTbJcQGhAtRnJuU3RJY9LBHYi2M9JzgFqdiaQoVE9bLrN5k.7HuMHrx_CG4XVG4zcp_B0tuGA0YRzudI4UC8zM26nGu60aIV3KEbW2ahj4zDv8ZLE5qQvDIaCrdqFxw.rbKk55VPigHBePsVgN4GQozUunbnmd5uqr.YGHs_RP4dbv3mJ3uWdg3_Q0jGaOOpkS_kIN8OLYWiFdeVDWbLBs0RNujV43kzGFXlyk7qwLB8lW6hao54GbSZF4b_tQGzS1cuTGaKi81ceZyfsW6a2ekZvAhIWnxbTb90CFF5O91zbF6KPEo0MCIO8dvPz0ejxzfUb4kIBW.jcv5R37JAvheaphktpMMchwaOlUOX2q2DM4XJdcZGZ4bbX0vLGRPOieqjHBveFEvjqoGVJY5SoahT0NcOETPEcXbMMCquq2VfDMWS3HghxuYHCgWsixthJQIcN9r47ScGYbmeQ2YK6Xg71luPk_B3AqHfFDSunDTn34O1mmoUTkCY.oU1.L4ojvisDpNFN0sc8AT3odJ8sEpvyyc31rSdzkDJ45m7PPoPSdUMJgzHDbSCdMrj_UbKSzWsOvoo_KyEmHAVx1El9NHIQaM4ndG_69.9iIxY1w9nyfquJCoc8rejhitjiWAPb6dOWjGtwZ4eDAXycSH4vuxUcvP.AF7uViqDJnrHXfmRa6KtYr0V_amebim4ouQWTizWMgXF4t.oTDhcRe8Qh98ub_xsBWHWxQYw4jeST1M1wToXww97BeEbDDFO_AR1n1vaPD9Amy2ORKI8OTsMAX_MCfvcOaA0gvcr.HVfsDjJf66S1PgfSyHq6s5M7GKDwAmh_ksGz8NHILrScTA3KKanmobInedzeuGwmBRY2a6bu6Sv7XPPM1XsqfJOLiH7RpbqWNPFUhPARWzp4vaoPpxAhRQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36275ffa95b53';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/0821963547?__cf_chl_rt_tk=VRcz5nTUlNPxd_U9kA6eX5Hm3Lg7lpeyrrNg60SJUL8-1739099129-1.0.1.1-RMxxYiSYTgKgGL._TGk1gzloyXwWqk6KQ_drjLkLkCg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda