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-909239740885.mit-edu.top/post/2543781069

  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-909239740885.mit-edu.top",cType: 'managed',cRay: '90f84599def73ae2',cH: 'xWEIrAchWwERmmENmpiSs6Mw9_q725ofp9iUJw4W2yg-1739150375-1.2.1.1-Yg2HVNh9Xa3wZWr9jR.lBlGjR6ms2P23P0RcLgrEQ6w4jYVui_zEDCe3arl2smL1',cUPMDTk: "\/post\/2543781069?__cf_chl_tk=kxgMHawxpzeUwWHv73md.WxDgQg_l4iaBF.nJVYRSrc-1739150375-1.0.1.1-xfpabw2HmQh38xc7yXq4J2d0NTUrhBVFCVpGeilISwI",cFPWv: 'g',cITimeS: '1739150375',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2543781069?__cf_chl_f_tk=kxgMHawxpzeUwWHv73md.WxDgQg_l4iaBF.nJVYRSrc-1739150375-1.0.1.1-xfpabw2HmQh38xc7yXq4J2d0NTUrhBVFCVpGeilISwI",md: "bswCOitLEEE8i35dEZfxMvc6pnzJs.oS73XxgA4RhxU-1739150375-1.2.1.1-DVMN0qeYxLFNUSSS3Ii5NZhcM4YZY_DX9vI7Q6qev3K8t7sQIz1GvldZJHBJuxyVxUbf4jouAr4umE6FKANqpgJHn89QP45BAq1XsV8IkfbJ.eUg0of_lRkfsJcKteDB1LwOJ8FL5ZFAAIXF8e.5iLxiIC7Q4EcrTu.qENZeCPk80zdPDc6Neu1KXQZ0sO610hspgwmbErH6NEcoDBhQ2AErb82cNEW6K.b.kVf_80zwsy8mrJsT12NeE.Alt4Rm3nVyf5gZ5PaE931055pO1FkcyTQkUm7d9oDUlxYcn4rQ98xxYdi3HJeOueykTMgaWL3LXdZQvtx1nkBz1ctuzd5AparuL0r6rYqnyIkKEPISaDDvfVtUYwncBMI2Pj_TgSurhBBTitBQYdF_1LKI4k5MjZN.MB.UQeCm.mn17LhUzrIaECYsuOmO865yZ14rOywNAvLIeyg91JVWWpKYBojaVTl8NEmN87oaJIV2bDJ1ZRhChl87VpdXGSupXjUkfoaTjjeuFM8CG4yqaMXjfmIbTrl3eTU4lajRW7M2Kj0Bngw1Ak3ljTHHlNWfANnxaJbWEuVeYAlu_Rrs_hphbQVdU0Vug1xUJRdkfefuMQt3vbl8KEF1ZExClNR_zAJzowbFZvhVgR9zwsxzFy9mA7QBTUI2OYoAf8RC3pU6aUWiIScsrwpCov2Tf.2Pu29PvoUCiZ7NUczCv9h4NPpGd18mz3ydZUfmhRWQvTy1ZfHA6rOt7OudlW9Ca3dXd3fMYydlihOZpxCsRZbz4GrQaxCELT3EkiMsokOem_lGmE8kAECXO6pgUfvCmBLNfa13FfXGbDEdt3DbVOQdaweyreygcYHt5uVchbYs01qqjR8Kfzyp3SMbO44HQ5hXgLkMXc8qUiGy1NcFNjIUpgPBYPVQ5rCu4I2nPX4v2DjkMKlkX2Xbfx3nnEsA6ZpwS1G_1_5RTC1ymlVH4s_uopWQXPuPFWf7yVp545X3jaONLRdh5oaTmScfhQZkhU_pj5_K34YPr7t1_qmN2jmd6UblVSruIOrCRh0uMAEroNPyu.AqxQLRWy1XiTfeK4JBpBcq5T_31eBoUMZyp3yMHBH7S004Yl7T.6n_HXRNbhwB4VwIfUiNRNYQ6xtLjRe93YfO4WPI0M2s9X0dPyMcl7eC968Ja9wrsHVhhiDHq5Ks8lpJI3v5RZSorxOH0wtBNdr4I1R4NVZ7LKbP4Uj2woRjIVBl3.UQsP6lqQdaJLCNOrgL_dC_eZi67XS.ZUxkFE9qG4.9s9paYCwi752rbaFHSRvwd_Zrq4h4vphbEwS7B9phqWD7Nli0fCE8ntjpz2FCJE2MiTgZPZkSB2xlYtq3xzNtNnGu8AkEPZapCFEPnGFKMRoXjjfrQgu9KscvDKywS3YtgpvYUHzmyoIwp13mS1FIAw7nordgyupabm2zOuvtPQ6teNa3_qN9lI1wS1231TV6xfIjF8efjWEPsMCEumWqxSSyAbsja_h1pqF1SCojSBukSJQjgAKMd1vJrr_BLCqlaZLzinrXS4y38_6lKxlgBeSg21rJH6dzvj8pYNNRjwRBpC.0kvpaMEP_uWrZHK3mupOqaXSC4wbq1V7U8YYtYK8bwQlrszoIGgut3l37C5_NjYGpZva0MnacTMWCbFbo.zBA5XB_duYvvf5mDxcgYeAluD8MwCOyKsrYhhL4jqNgg4j3BsiA6CNFjBGKTt3MYrPj3BQEAxxVftJxzBHYR9Yedjwanlw6on6ajAmloQEgeUdOFAvk9HEydSOkQQpF6RXIUamNl9z9i50EXc9G2NCptZYKTUhBdBm4dob1TRwvQZdA3y2NxhLK52rHYUM.ce3TaWZhFmah6g_GPCBysq7gQ3Ou7.rrqtH44XiF2p5N9Uy22agBEEmVg2BkFZS4xM8Pkud6R0IRHqGHreSjDnqhXdEIJ1qgd1PrNaQBJZiAmg8YvCTPA13qOBuASFsHz__cDQgjNakOO0gl8Akfdx6WCuOB_1XH4r83yCWspqHvMztOEXyRENCV6d0PRklm8Kf_xbd_dYjtTyy_dQQfIVFVwEgBAvBaotv22uFrkpjYwOOugJJthPT9KzPYpraOkB6NpeyfTr.pf5xhxNVCwNOf7BRiHNEIqc2fEoH5xdbalpyG1Co1GDMw.oCFBw061kO1xTZD82o8EMcGpp5eF9aidmW9tSfPEtqpYhUope3vuGdxsSEKnEibgzMn",mdrd: "5N9yfbXoCjJ.WSbS03Jr8GmC8bIPdWksCs0m2sZyWi4-1739150375-1.2.1.1-CMynEndsqy02PgGK7GJYOdv.FNFh875yyW6QYSui8y1DCwqz5sjBYBkpkI6snCiJb123M9iE658NIKiWUshAjavngaGqgNzJzRwD_81POSYS41JbcnM4Gz1tpnxeB9hrSZP.Y3VAUaXq9DdioRlvOdfO0fb8cWSDJvMrHhklGgOyecyYhfXObHpFvjUj472lnP_DkWR2kKCbFrFgCnIY_Hp193cqIVaVQMD9A9aij5cxQglgWX34O4CCoWG212_.rxfoC213mHWOrvHCZbsbp6eo2Erm.mOzp5v.uuAnRqlvjaYyUxE68LdknEE6AhTBqY4VPOF30JD1HAVmMoVA.Ye.sIkDYktT9I_VzyqzU_cYy1tQJFoezd1xmW_jU8HO2PGCjyEKwduM3L_jMu.q_zftLLHvSW46_d1JfG8jueb_zvWwWiqafuVF54VDvfWZIJlnmPrtRg8BU1pRGzW9nqQSawtH.nzbAeQvKI.2l7DSo.6QMqbl4aEPE_1jAziMRnuVb1rNrzlydh9Pi6JZRv5bDWmFBf0EahVpq79CRXNyxQ9isrur58LvRLLelviVYi7CL5UgsH.0Ds0MiQfVccplUtri5jH9.ewuzmKpuZaP.OdixQGSRX5.IqxQNUEMza1ZIZ9EkZle8RV8MtHbqsYoT1Bdp0EbDvbj1LY1gAWvxk2R43OMWjbA5AkFGL1u6RIIWPYCSJoevfXClOHv7N3O.Q3HchJkOSX2UgwZx7ySWJo1mhYF.Y3Q9CjFkINtxPJK9.R8D6QVjDTMhDmrI4DY50F.KKtQO.T_J8haXL3yWXvz1iGCcg7fWv_udBlD1R9nXLE9ORg6zRVaBUUg.SCVxuSuyjwn6lWVyPrZbTTUsvNm0887kj8Gd0___t5YIAA77mRKSc2Riq0boFtu_5Vwk.CCHn0w0Z6Ui8Hyp9qau3CKrush3bVvQ8W20aZw6qGIiupK.2jCK.yuMNEZeO_k0BppU3XyHmno6ZnSlE1pEtVJwb2k5B8aj52XzZ3ULYQVDbetizUixWKCnJ.NDtQcxzjOwd_wFVdmy42xHhLulBtLiGlAE_WpxZ2dFSx8ljftWuHRtxDXuLq61ENTHySq4sCVLPISW7Zx7cYTRsI_e.tLCfoFBygXllXG4PHmsQGBJOufZf0aQ0EPJpXX8uvyz6LxeO48MgBYsww19OqyFTIx4.CgZirG40NT4Rx_.feixW4KeLDRGNy4dHuJhip34TAUOuwx6tVLniLOuztYGa0ny4SLvr3YoqB71sS4wnGuGuN4BfWIEVSwODOCi9IU3TmMREZQhkKy8r.BNtOF3gzIagQr7.gCR5HT8753zdXof07sP1Sldi_N_mASb6rxl5ee4iYHIXmkI0zNY02lrtNREW7.kmhalWzzBbaa2gGlORsAMxR3K.wv_D618DJQ_cx.A8s3AS3nLcE3WGQReGUL8XVapmvNt3qFcNBwswKl_FDGfgDyv0AbtEcl7U6WzCV54F7jlrPIuMgtwED09n.gfamA5V8IhjBuleKf6CksaycsuFDfiPh4IuD9gytQmm7hb93WZkmOqmK1nPacCAofGBElubD7Dp51bktFP2B4_PkmfnWyvmLuKdNathKW5BwRtYbZhtmm01O8Z4d2Cbo5orbxcvKA9cdkZdW5CzOdqoLfisPwuGYnyf24AmyOL8WGaZhWgwkPKO9sl59sMxjqjotYe7kG1POXERHXWUb8TwGdPWUCOLz2mrQo7cJRSBjsQoWanr1IOYwyfgQOXYh45VBWvRipw3yeimezTzSP1_fe.EQM1KhmEI6xr4c7.7.tOqIEkWQBG69Dir8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f84599def73ae2';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\/2543781069?__cf_chl_rt_tk=kxgMHawxpzeUwWHv73md.WxDgQg_l4iaBF.nJVYRSrc-1739150375-1.0.1.1-xfpabw2HmQh38xc7yXq4J2d0NTUrhBVFCVpGeilISwI" + 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