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://303697.mit-edu.top/post/7502814369

  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: "303697.mit-edu.top",cType: 'managed',cRay: '9110c3ceab632063',cH: 'DKyCLgAvs56SWnox.M6F5PJztbFZbCZWduRfxUl70lk-1739407203-1.2.1.1-mLFZZdQB5J03ppefcOA5bkD_hhQzY6HG0ZQJ9hYwHpRmyN1HTVR.1qa9P7gFB1A7',cUPMDTk: "\/post\/7502814369?__cf_chl_tk=EJ0kAA4XawpyciOKNUuiSSHg.3bxonRvXWXKgAvIFyE-1739407203-1.0.1.1-C2wCgpJqzoqTxJ1KbVkJmSVaWpPWAhKf_8TX7OKhMrs",cFPWv: 'b',cITimeS: '1739407203',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7502814369?__cf_chl_f_tk=EJ0kAA4XawpyciOKNUuiSSHg.3bxonRvXWXKgAvIFyE-1739407203-1.0.1.1-C2wCgpJqzoqTxJ1KbVkJmSVaWpPWAhKf_8TX7OKhMrs",md: "dKHXNFiDtiLcf4Le0XHOACQB3Cix4beORviB0CWJfcI-1739407203-1.2.1.1-553D9SHTqEV0AKu42Oi66tbi2Ds5Bd2R23YRy7o4knhfI3_buVY5AXoKxxSLT83ycc08qPUzINASS4yDbh1awZ5jRR_qsxPE5_i4tKqxjzd0fbh.DUBatqFTpwmdAamNXX9iVQvuK92Z8or_I4_fY3Q4.Tl3E8vZXCmbeCbox6Wiq4fsN34uHHgp6.KeAHrd4kjKktKkkfJknSNrY7.wpjQclP08gotQ73JyHwSVPnm4p61vaSUbsCPvGbi19PGM1ZwsUfw6PgRR9ZDdn786Ru6ToquuqG5_ze2PClWHiDfQCJGP6eIVnXLGFxN9niUFZyYRa5VyY6kvnNiIid_fUUbdhEp5xaT.0WnFM2D4tWoQswTQTIOZao0oMIARzKpcHKV6tmI_WmzR5fwBkJfd7ZZxnXq2otL7uXfvLlmdTCIFkbuSJpKuRQg2kcXnhtNk9CP86gItOKmyumy7gdsfceOoFkbT9XlCxe6QC4.j1waW6Jw72sdZKHJW56sgh.jgo5Ecuz1A.xC2pegQf65aZ97JFeC7Tt2aeKg9lCS1przGD38MWbB2gy9miANAnseGgyBr8nbYQb3ge3_u8lgaBioa3qFaGcmoBffXQxAw7n..WIEaWWAVsGJtG79p3XiDDzLopI7sYmylTwK.blXWeQngbjpqAzFGKrCteQxLpTHxx2dvbdzXEklTSBOTJO1inJ7OhiV6NND7bMmxY6.3.saa0mOm_osJXpIBvvpARJnvzznYvlyowd4UXsQ4hwWrkEWLTsZ.jBlcWOP8lzuYPsdUCyZYiJosFkF.x0nuZfwyVYmY2VJ9MmuFyx8eO9GNbekYPlW6QrypuJzQocGk_Oec3wtTN5f4_j8xJmhJI3fuB4O5c3JgIbRYyICiTQhQfzbZJRVKAfYo0RybXdsge7kSWrheCINdOGGXeQKmzMr4cl_zUCthWNFOufO12LKDyYLmsu4x3tNbXo3xYTzKdfKVyVf3F2vku4ZnTNiT1CpsfrAGh0AtkuOBfxMLCRgwoZpUlGE83qWBYgVsZJMzD5YHhz7Mpoiw8NdN5QxueBwsIsAgNWyLVh9Cd.FnN8uG0TXGp6BGuBRLy7YjUJvViKTOcNCrL1CyygDVEVmW9IXBsJgMDyxn.weDAu_PS9hi.RQ2qM8YUi98WQLDNEjSRbJ17E884ByA0LK6FQkowLPvD81DbImhOtJ9ZOsJeDW.yf1kQxx.ij.VlRB_OauEA4INUQLiKGHBS4vMLRWs8LantylLVFYjaRy.PgrUD8Cn6safeVbycLovcS0Fo_87GgYrQFq7qMJLZv0ts3xufLIybEWLzJdtQ4dsZKGmxazFwvjTraYNAJr_aRdY94b.R2ubK0KPndvfLHNMTQFvcoD5OzicSWU3rngZukso0LhNXMI8xUmj1e_lOZZvy4DUSYSIrVN2dyhkWF7ea2uhgitJ99WDHo8ESLmmF7.kCd0a6nR_FT842ZxIUFoBUH.GZi4q90jdLLXDeqiLshAf8Uvpd77u_ak1opFqRd066mSzawaVDPAQVr_Aw8yqm7dV3Lz.LemrzVQBkZv1hgzh.o5VpOr1yqlgBkhkVvX0kA.WkGawx4ykbSY3GEwh9Wj87.8abR4T6WvwBWQozceSm.BKRPzZGQ0seFqFLSsTvl1cpUz1fRzJOC9_WCImbZUA7sKAlhon7KitzcVsp5nH4BiWIB71fM999S_sJ.LkJ_aviSCNHe5VyGxLV_qJkiH36ZXTxTZVKcszEeAbuIi_buNSj04M04pM75PiLhUxI1NY2d6r1s2y2ggF1DNsq2HLZnEOpjEbb4p8bOq5t33OasAABRMmbVTAAn5Avhv861vvohKr2PN3AVjS5ZCtbP.VkqLhhXBEuMsufYXsZ1NWqZ.hfGTaSXRxnBDEclodSZDmJ9uK6gIkrOYyWqPcbq1jQ_bAwVwl3hZKmSD1FhVZiNe1wqzrg5XsF81U5QvY__ZMG4G4Ygf99nQs.0yrl9ozeB.i1wBZ2F1vnUuq0473GNQZgMb58lvrSTcxb6ZEnv1Et3ppOOL8QkJ8DDkTgZsFHdK7hDVLjx9Oy_wwJsj2WVXyIbAvAVeZL0LZ9d_pPlzGibuxqEoYQfaaTeaV92Papl3uBpiTMv7tBo1kBkCDEKmuz9dOo1TasU2VGXXSrZnzGTjORxozzU7jpnsuW4yJLZI.P1e2Xx_iBqMOV8rbWUU",mdrd: "F6X4BOxupK0e.ZQOMH04oEBkmnu4nMK7ncufrcmVIs0-1739407203-1.2.1.1-PDekRBICNLMMIM1wNSnRGU5sbEiObvzWR.rH_l56LPd6hxfiZhZuOvfE7wG6sbBVqwdrs0bNCahsQRPkfz6a95RaDk.fC7togoK6cI5WRP4lRzWUZlgjEFTOQXAlJ46WY7K6RIr1gkLeaAnvJ0cgdfgEpAHR_xyd1_0SJhwwJbZTxvcU7a5JMFG_L2E4y1JMyNBEiiyIcSVY7nSQ0cHp2Ty9KgEvc_Z_3pM0lvVXtMFijY8mievBSlkP.xBwa9EguRExc8K4dtHvoPCz8lpDdJiKGFzLZmO5xyKJkApLbaOQvgYOGxluyQdsiwL7naPvhb4isu65IF7SdTRvBYqAqFofOu08Nr.sdJhmiC.mb0.aT2ujPuMOSzlUdKc3eOKBs88r5MrXmVoOCGhUHmeAwICaH0OJKjFLEJGGLNsdU7aufc4yaqhD9BJDvRbuQ7WHin64bUO0FL__b3MsTAh1KbG29owpO8LOHnj622YutbQUNZMAligTHWo9xAaKaV8wuL.VwliwsU8Co9JDc58kh9mWK8N2J2JidlyG0rIU.s5LfwvZaKbcoXvKgoRTCAPY0pfspDekWbSjfSxXwTaFLGpy.ZzJ.YAJddXtXYuhlM8NqSEoJxyQQWJylEkcwUXf5Wz1BqRGBogcsWhif.sPu0Enfu4177fAVE5Fs7Ykyvr.qTIRHonu3ISIOTPLLJi0qrOS0mfhRsDhAzKdQ.97O.nJiHbwh2apJ.ip07LTTEq8dWmnKaaUdqmEIGWDKhi7xNbG3dlcqX886dLXR5N7bUyou0mW4I7VFEt69OZW8uS4YXjoLWT8vLGGcR6wsqRCwrZcUUg8xlICUxfyfWH0nhfcNZ4seu1f6QsjHEUF0r2kA9PBd43ZMYTQlfsPsmuiqpZPOh8pW5oECt_f5SL4JpP7C4J.gZehwtlzbSb2E1G2A.LXmpxJIqck6v4N5tAHg9C6TUjKKNVqQzr99jYfYrfwDfpk8s1zjZQXlTrOGVodwhdEhn98NWN9v6dVoRea9Yo9GsYL9XU1hdjGAx2VDQhwNrs2GvE57zq_VbP0EflO2VHs5PJOSUY58SVr_S5V5iqEcilNCBvzzjKH_nykgAzeoJz_8lFwtWt0OY4dk0MQp6UX8tNqgFDBSZ4QSp0BwWm7pHkx2IaSmWaLQqkfrcrLyCet9zZZiQhLDnyvwHweiFw36LLD.xtKrSrGqceh0DosekEckwA0Iz_PMPoddsHzNAxL2MqoFkmTa.R0FK6DhZEZyx8N9G2JEjwo4LC4SOhLIujQY_XxfInGbnGy_pBLQ.omcDTZwdTWBsBa8R0GqmR6QUSkjHhSHHEtL8j_VdAYYcSTnSBMpJ71KjSajNLYwnea8pXgQ3xhnJwZUE4Ts8nHyfBRY3I8.A_RVfdlR6al9RtF8o.5suq4p1uXp2u3vV1hqLioMkYzcZM3Y4z2377blllSqVwdiRfJjyMP2EyiPvkrcg_YTqOPctFYdaNKWmOjZnjGktOZaV5HS86Belhos6itiFvXgvGXus9BDWNAfen0DZ8ZAKw6.kaBFixsmTjG_ba6FLm0h4o3izoNkZ4Z7_G35z0zvT4mqq7W52UKa8dO0Zpw3hMA9Qxm1fODy24C4qw.R9GzjEVMr6g3HoZdw5kEtddMdjD78hq00VaBA.2D5CAqfNZiQoBEi29q7pczIIG_TgUZbC5_YwmCN033rg1SscVUP2ffMkY9irlkcygU9mWQfaMrVDmLBmIuEp_726DDvGmNZgOOpoMzPSoGHbhClo7B6Ro179W."};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c3ceab632063';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\/7502814369?__cf_chl_rt_tk=EJ0kAA4XawpyciOKNUuiSSHg.3bxonRvXWXKgAvIFyE-1739407203-1.0.1.1-C2wCgpJqzoqTxJ1KbVkJmSVaWpPWAhKf_8TX7OKhMrs" + 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