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://453224.mit-edu.top/post/2637590481

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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: "453224.mit-edu.top",cType: 'managed',cRay: '90faf8614925826c',cH: 'qKhkHsOC_iGnVfWDRR1t6.IFpRtmrdmH1Jv_1wCkznI-1739178670-1.2.1.1-1BHu0vsT8MOVolZYa5cyThkG60dFO.YCGuhWVoZ_CyQi25Ev7PXzmiz3r1LeM7oh',cUPMDTk: "\/post\/2637590481?__cf_chl_tk=D4iUao3Kq8_UKCmzOq9C67zpOyTXh78TLM2HCZ33ayQ-1739178670-1.0.1.1-jHK8DZbKR1evnSx7RYvJiNVaqi8n99i2SyDWm9aHDEA",cFPWv: 'g',cITimeS: '1739178670',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2637590481?__cf_chl_f_tk=D4iUao3Kq8_UKCmzOq9C67zpOyTXh78TLM2HCZ33ayQ-1739178670-1.0.1.1-jHK8DZbKR1evnSx7RYvJiNVaqi8n99i2SyDWm9aHDEA",md: "Qgrn_TA87jkzOcZl6VT66A0Xo3Lpzy6PRGnKeC54VM8-1739178670-1.2.1.1-b9wixiSLsjVWldzpTotEpKJuWbvWIfROmg0REo6QvJDMfGGTHsxzvw09jKNRMq4ntSihGnJ7bSCodyJUGD8NzFIrUt_betwuPhFpNvPFhXmqcpig5ZT0COo91eQ8tpO7O584KpjU11y8f6o7wAnRgh7lg3v6ZR6DkznJUYPi9ghj4tVXBBMKrdmmPof5.HA.28TsmUOA36kjpvom_WVK8EumfpJf3qBOpctzx5g9sFsnF8eECmDa4SzMLs2y3pWipHFTcbXdepZuDkw7X0xYHtQihUsJakiRRgHDdHisP_Gayvzqcw2j_k8aD.eFWh2vxksu_ariCbFlbnfIpF7a5aAdxNhfXQUYLiARp_4fc3OHtG.MmuiXSW53tjgM6KMiUfKKxGdMKEmYvxRT1WgskNGi_GUnxDUG4zFgJbfQSojNM4YEsVYD7En1T.7eW7i8tisWH7..0qVKVqeiGGFM2Hx2Myqr6x23cIMVbDRHe6ClKXJZZGe.3Qbx.DtM0XiNpAPJWNJjPfXm0.AazJY889e_ypSzC467LCOOtlMhxFDDatpoxM4F7Kc_qN0_uOssHTOACAwuj_9XTegaAAHz.KcPEbBgldRNKUp7p_skQe2ntmA6O90aktL0RGBnax2yXWngoEskMlYvqmrnQRkaAvprGqUurKzo9ByncGBwty6A3HbRo8YhNDaZtzSdfZkdollzTbB3ootZD0H5aSfxVYGVq6Q1JB8v3HLY6ZtLnYSrKUYE6JLhTT2KFmTNAtaBx_nvnhgeYC3BslPUkZVYH5PBlso1tFgbBpDTCaCkUAyMrgZJJ3RmV1V2c0OM.PYCI6YpJIFSmf6VLNbWXqO7VaFiiU_fGN8NlBTDJo27Uo2tjWlNcyZE5eZdCg6EUhYyD2iW6mtC_lube5b0flG42kM7YnNZVpl8J6ucmviuLbbabmsD8knzV3ZRUkQmrVbBnjHQPtvuMbG2bvqmaOoriTAu7NAevLBxGE5Teh731c9FVFNEjZ1r.NKuVnCvvNwASFwwwLZXVmYLcv4AoII0cwAgvQl39sQyYAHahtxP9Vydiz3bN0q8kQ8QIso37eR_q69zXo.MNkAv2CQV3N9Ukw4st3vWKYRtACL7Q4CPArOuLt_nRwlmrg.M3rKol56LlRHI88gH9D_Rtuld_xs5wQaZYZx.dO.6R9Qin6NitHR2BCt.8KlIxEAwMuWeZRa5aw_MwCc3gSm8HNIUCpuxXKm.ZWMlxT4XGizDkwJG9gPGsTcQw849vqASjR9yI.eCa3WPVGg5E13y3Ylobg_X1hDQoj6EWjLhrgyztc8NDNSpIF7GFLynjMPhM2knXqb63GcEUzNb4iI.3HmCe6MPpFg8aj0JIjMHLArNpMZMfDcJLjLXUjqjsrSFs8Pn99mKZsMpm83roGqFs.gTN_jTwM6KHVkgEcJB5FW.vDYa.L3JsvGzLeFazcvXNvimqQv9mmrEmflPmfzgOEnR5sy3AFfFgmn0mebEYnPQuFXssiv3z5er4WIccJV4REdBIa73s5TwBhlj.Yet6fMnE83AA_W09IfNFg1r_CLGmBHdhDKuFw.onjDi5mdahlhd2RxG3BdzxoP0m67VVns2jR1wAVit8KG_iQ3Pwq58rfqvAp1e.rUN8JDuWIaK4ZcvpAB9W0BYOM4D1.4Too_lLcE2L7SLlIijUgJfzI3LdRY17Zuvf.28jp_ahbxmpE62Lcihv_Mm6lwePRe4L5rH.K2Zt6YyQVhe8NTsJFZcbMZPho0eeHh0Yks13Jo1mq.gZHLI08t2Q_bqtHJ8yyQF4VYjD5AeRNKtdhXy2Hk_mNqojxDFJXZwlXueTRRfoeIT8kAXDYD79qUm2Pwzw_2.eAhJDZQOwrtIz.bq6NbKZ5wON0FkyJP8YkZLsuUpAJcjlU2OM6eeuBl2Yr35j5JgRXNiyywcp7Fr18Dksw9smd10HwAdOpJ.2p45Mmc9qc32uAKOe6Us.zL4HmjQ3v8faFc0m7VmhAVF90PVENuKAnT4tYgSnXdTySYV7HuKQECATTQKdNAseMoFZvmT1Sb.1ZYPhZVQ85yKjFN4jZyAO2wKg_X_YQCHpbppgh6aVX05lHsNWiTlfjTQDGvDelqpUDthx0HLiZKLYcCIfKsRt5XNiTz7xobZ9usN9o9OFAiLoERiaoWV6RRgG5_pRhGwLngtU_pWHDVNWUbqxnNz.MDxn4E",mdrd: "XE7E106KQOMRRHm7AostIaSBiRudscZ2wIbbj8nGLxA-1739178670-1.2.1.1-F83gTK9QLOevN2scV3pzPyWBpSCzU9CflPoV.HEXKLHDcD6uyOvVe5wUkj_raYI6Ar8QmSAcYPAuUfaTHYTFkUxPDT9Tp0vOdRALpRHzIQ0IYf.m_XwD2LHvYpjw64YYocTAOHItCNegQT7v0JivXlkrDYEkcNfZRSrLPQ3t1ZppkErb4AGBGXTXbWdWmusB3qpJPQawEVUP7nNSRxG8q_JK.V2NMNJGxLuno4pLGoGm8dszRg54A9iQQj0aqsMof9jDvysPW9ON0mcRAmVVEk1938CVUNbAWFKY6Lv8nigrDNCHLpkau8YrasoZ4iGqAc876xf3GHxkPJpSBbrODbUQlJ2sklSdNUUMrKXId2LdtOUzjczATrhA5luJ_crhszYlLYiJYQJdrguE4MdaYIfeEcA4tDsw6mu.XZ_znInTJ5eZ_Was_kxsnO3uwDLVjxBnDfnbKgNpIdVnSHS1igHfuACHGU_2hu.xencJxbZCdRew6pxtVMqnUNsrdttytEigF2JLwlui50iGqFiofUJ9DK.x07oODRaM9i3sMjObqCs9cy4B20pR7ikpP6AJRzVJeguUi41lHx_1iABV6IciGmmgj80oYLqs6yhKAemB0blCDhvWBHyEnZXsIf8ArrGNdZvsCLbrD3moa2TsdK0quAtpn74ntaAhqFXQNtJe4662gtDtmlHaISW0kgK3J86t0tvZ_a6lNgeNFxHYO1MWRzngkbwoTFShQ7etuFR6n5.O61t._I6NS1evyC7UeXqp.Hi9hOtQqLjc3JyVsfWrks4SL0TlcqLN_BwmHDHm90dl0Zn2GlaUbuLjy48KX9Q_IKPqfBbDKr2OJ9LhwA4ff.KHdCoMm7ZecjGtAQp2ZNB2i8oOvQi613X3vjf3XqntPb1_uM8SVML2E0idgVgLB8QqLRIGVxSIyYQDdAGZlqhWMpGUDvEbAp78q0Tyo0RVeeXVO2GAOjsWzkSgtDUMa66wgLqx10Ls7t8tn04.A.K5JQXBGYr1Xzx9ldVRXd7Awy972E986YIKOK2e8iojzIb2Otm1zeme5.qpHLt.jc6d6RJwJIcWKona3ObB12AGFfZcRqZOrFeXSGvj5UbDE_1OKZIJ_x7IOXaRXmbRH1_X9b83qQbTYhfJD5cubzLQ4WM.aiGsImLLoVb8cN.V8MAuJIQNa0YEplgnp8CJtPW8spajBmv98ij.32k8ISUChJJKN5O2_565jSj70ggE8rL1_J3eHrlOhOwJMd8iRp.DRu7ht38mXOn33YWdggTlRJk6cllIJooX_FwMIe6FH_yPvyozJH.PirJvadIn6oOGyPg2M_OSDCI5FhnFQuR4Pz7LgxtJsdiMC.qTpvcv_zDkDwuP3KnFuMunYNkyf9.uwilMn9L5SgoDnIH28u1CAOFjwA5x_jtE..DHDXR6QQJfCzSA4k7KTuovQMePZb2YVJCJpakHUKf0E3Swjs2CHG1j2KsPVJpegudRSX8kMOoxm60QeDrlk1JfONT6eAv0HR63ut02qfAv9O4j_1IkE9nfdkYr1URwtUqatt0dDX12CrNFbzcMK23hcErZEG0B4yc1cwUJLAbu0C0yfD9v7geTkM6IV1RP82Pf7.bCXIc8iaotttghtVVAEd4NMYlvzriSQjftgOOAZ7hezR2Kev5qBn8dibQOJpdidscz2Bb_0X3vfGCYBTq2FLAWP1NOMCYxVQEwpHmu3iisi9PLikcFF_lkm_8OkloErnQs4aUhaWRFLaR_abCWsqkBOeaM28bXPvDV8IVElkhuNQr.rgqcBftN7v0z2CkrUA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf8614925826c';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\/2637590481?__cf_chl_rt_tk=D4iUao3Kq8_UKCmzOq9C67zpOyTXh78TLM2HCZ33ayQ-1739178670-1.0.1.1-jHK8DZbKR1evnSx7RYvJiNVaqi8n99i2SyDWm9aHDEA" + 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