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://404fhn.mit-edu.top/post/3714295860

  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: "404fhn.mit-edu.top",cType: 'managed',cRay: '90fb0bed9b0f58c6',cH: 'BD7Grjm4IYOutUbHZW4SFZY9xppVXss5SQh.9DYVItc-1739179470-1.2.1.1-vYF3JEKwKaBNR86ug_U0HRlMnV_YSgW.wKmq7h3VzcQaC5PT61nuWSGoGedK1bQI',cUPMDTk: "\/post\/3714295860?__cf_chl_tk=DT0U3wWqHzxnbBcSj7QLkEvkJ24rMI3pDg5w.t5z8HQ-1739179470-1.0.1.1-QcBIEbrB.Wgj6AMPtTCYvclCH9vmgLYevW4pZefdnuA",cFPWv: 'g',cITimeS: '1739179470',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3714295860?__cf_chl_f_tk=DT0U3wWqHzxnbBcSj7QLkEvkJ24rMI3pDg5w.t5z8HQ-1739179470-1.0.1.1-QcBIEbrB.Wgj6AMPtTCYvclCH9vmgLYevW4pZefdnuA",md: "XVw2AyY4rgGekker2PIO7SH_Wozj2qjzNdbvmhIuZy8-1739179470-1.2.1.1-4z1604FusbRgF87aVQci_h7av5V9X1F5cdV0l5fANZZCHDOZEzB1cHCIZZkPCrkdBJyfFQFYZWhU08iPDemgdt.RKJN4wBrn7PDzN1SuNmqPxQ.9CG1JKJbQaTYEn1ENpvsnAGKGxoIGsGDCYEDMC6CHc9ILZUF_sFV0KExXobzFTsI4y2SZBkVMbYMxzQZsiI5bUISjtQQ.K1Jh_sInxvLweixt5qlpqC1t.ftLTGRNiGSmMrxu3VRBTqsriHMoicUBD3PnC.xAfas.EP3Rcd4AS.LHKrChtY8Boo7z6pMy.cDgxjkQ4F2ytNPhpO2effsF._azXQJ1cAYBfSV6AtoXy.VdXaicnnCUP_nk4vkNh49OlacPSYgCtZMI9R15_VwGR17x_WsNwrfOW97ZIT4zCu3gf4yRdyc4SMH0qrUdgFYeaAyFM0Pbscjsg5UrbQ8X_yG4YAin9KVq4qyNaGPTGs.AHolE2xFWo5ralWGudYBF2jvspwkgFzHkYfwWf2abxDEec6uKVAeIYT0HlblfoTNLZnsiVeGWC1MvXTj7SW5rK.ekIRRvcqzqrf0Pv8CBb98l6llLPaI4rJpMJHAmgN92Qjs4lW3V7lH0OHNli_6TXPrwWPA9zxE2rSCaUZTzQ74RNMJpOOS2d9w6mSSpYtEdlxqb79i0eRPVUQGI1Zp2nHl6S_t0lbQVAVGhZaKB71Y71qYLhDr4Lx6mTIKfZWdIMsojxGVn.gOptYYjvktF0LVK0TOdXcojnFknDqLM.fj6FNJv0TfLCD4ctWvMqjrs4BAVQ.RAQd_Lq6vpBP4UZ4kzRCK0lZvqsMeMBu0buRNUSSzd809OhppOShZHMWNz2qFbcAtsbx4y09NbLxCepNSSFTRoeEsxXuG_HTEGCm3H0JBVja5s4JZCQhmpKeINRoIuF44T6Qap9E_SKPFkG3iymarEVBYwFeEUTg8huS5DavjCzv3JFDZ1bzXk7Pls2pnZjJrbpQisZWpqDWGvJmM5ZN6tjuy9rTSoVD5xaVziiQrkHpKegVt3eJmgnYkFMSX7odxhKSIenWISITekiY6G3k_Fn0Wht13ctRIz4qqFc1uVD2PSjL7pkS_ozzDB6M.D6aG37B8Q06IjtbROwUxPz0NOxibdu0DjbPSV8doph8bZ0Z0_CgUXfjbGEry3kq_WCqYcOdXDAFYCKgzVj5Dda5SRtSpP4eDg7ztbAJDjDzKZRqPowSfERzwxMAps_4xSL2.cEtm__xhWs_f0CD0.VP_Kc14Y50ZhE7s3A9Sl2VzvDbXQZdGveFFkzXVTgq0NfaxlXHw5JYzC7ak4CqiP2Vd8PB2q9Jfn59tayJekOIYZijDT3m9XQ7wp76Wf3.SzaJRi516203EMX_QskTR9U_vMXWKgWYf.TeW1lEn7KMBw08tY4xHMfFaeGQVYIbz1GpQ6WgZuYlPl9JZkFflbbpizPrGrx2tazOlC4DAUEEc1lfHX_aECC_tTEqZjwuEWapOhNyVkbvv05I0Rbv61ETMOSbDJS2OCSEz7PmpIKz7.Qqab7jMGlQMTJtliKQt4NjHI8js9IIjTdv2YkaYHRVjv0ZJ3W8UwH5_2gdHGchW.BV093rxwWXDMdvMau6.oEEvGKbVv81ocGsGXfptvHCSARPuFgTwpL4m_ezX7I1.s_Esp_de50hzhrmo6sWutLx0X46IHbhWaGmgGIai4uUFOtuFcO6jzmZrbZp0sUIUZn6GP4yTGYM_YtpRFdCu4NsNJSxVwcC2h.Xn_rJ8JQfoqtI7F3DFgg404ytXvvdXDZgB52yfVkRfSQ.SG7Bf9ZjG3k0TIzn.V0XLako9kMnpBoJ_MBr7zX0Fvf6uziAQc3Z024PjojrwdWA1qnt0TnCPLeAyGLwoLyrnsuGj9G8jdcMYq2xqko6bFj.EielYwwltbK6gdVe1Zpy5VvBubho46Epc.Z5niayy1isiNjHb4M8H2MsreHh2ua8PJJ8hVngWEjrf3Fu2IPzINud64P2IEfV.hTUD5BZS8M0BW9Xu457_BsSQbIYabwyJ9sdDUuyEj7jmTMZMcRHiupPtZDODfDtt6P7GPqnKi4CQVRGJlJYu0uIAS3DNXhZw2jHN8hw3VaksBvrp4_SkUUyle5oQHAe.YEZ5xA4oKA3k71rtuN0zeFPgkTw40tTs69G8pbX1jWV1blRoFZF._F9_oeqqPmhJ_j1M",mdrd: "mWwnY09uboVUVoH9BlyUA0nKzbFBu9aSc1jSOWtmfj8-1739179470-1.2.1.1-HyFFTXuQMV1dN8UUIEurU_SyDRywQUUlL_kOWLNroEVpy3I2DJ4QI9BA_NKqQlJfs26.FrWrgZUwWl889Yh5Pf5u53PeFEK4KoiINmKKaFZF28i8jyCduitsk30G8.EeONYvlal3OiAy1jUsDdsgKKN1lSo8rFJEQOD6Z.LpHgx_7YaK7YVZHKSuHUTC47bmUHz_6s7P2v.7k_oPM.4pUOeznXqqrnyxaLKbUHktbL0tktYDqg91n3bVTKo5QdOMNkIQ.zWTHEWZmm5T0ZtvoDQI32A4ZifBsFM2f1KSqIel3kGQsgbOVl.0MrErPqOrr_5z6yhQAI2Te1YLe6zhsv_4KFlmJtx.I2tEwtGTO.ECVvCknGjHXq1pOaLU4XQNVD1Zy8vwDPTwo_9m8jQwAT5S.P5rqpGNQJQ_vg1NoxdtVEhFdCYU9Ph4GGjcUOWmsRp59nOP9u2aXKYhOyrMhZGl49niLpv2.o7FCRvTZ4Vp1JigYehNZsKjBts5BEeTxdpJxTOvRyNh0UhKaN87Ynzg16o0aw7dj53wh2t6kEZViazfjbHwt4zG8AZzWKwH6ADbJIhHIxfmgFB6tETPy1e6kkVcUVAwBSV6TCjB2UoYB5DhzJc6y3yau2cgvIPbiZ9rD08cyvROyCf0PX1S57d1HaKlz8jN0J3pdsE22JS66vIOnToOm6yIozRc0Kf1zbdBCFGZF0o_zTvN.QOxgv_OUjYQM1pNRcOHg.MBlBqTXe63Ca.gQGdIQYmUG3sGXrG7wMgzghwCyUFJhUIq1w2pbHkIpQ6QwQr9XaoIaGBqBYE1EfynKbaAcjRSFhBNqLz5Hc2S7CKlV50WHRsCK6ptH3HKYCvFxxrzC8X9Fs9YTG6gKvEBRAEwFyBHedcPa2a_Agq.Z4zbR9iBf_qxfsm2vWO0mDqIG6BZ46L41jrs8OGPrWqjNCErBAP8Lf24NeueMVV_KEb7ckV5HWUrt33qRdaHiYWNIOiv13OuTqD17UWCfodgjBvYkYK80jb.TZF2s8ii5Rd_8WYCXtCMx2FWoJGUTdl5QfK9A4jfTXvtGkFuj7eYILBKngeQZBE5TeHpj2drRCr9MT68s27u6_0WpBFLrojdkv.vicX5ob5gDFYx2KsdhubsrPfDbc1IY0m13nyaWFZ4xk_HXSE1P9wgbezwzwjRIRUJJtbECF_nCbw_gYC.UsNgYjzj0_xplJlxHTADKVz0c51XNQxMcqWELVOZPk7RxxiCF.SNLwWbdIhMSs6CC2ibDrBpOKUVZQovR_5QCf9E0QZjdjPXW3eDaQBtf4t0QnbaUs6NMZFm88Pq3qu5bRm3ZQMZENYERJIlmmn870mkEVeMHM8LOOIE7wQdOTNVeVKAWv9wQX15z7c4rmEZ41dsOCpl._4UncVqXdkNeWT62lUFhDoQ52lgIDpuJZHfkn8ap78umaITRelH3FLLZudtM1LuDhZwcJYtXQf.poHgvJLLr2RKuM4sZTw8KOgPONpDEZUgYvU.ceymHr1gXuPZfaAEPh2msznBjhBjewKvo0KlqyStxcNAR4XEv7fRLcBG5XXvjfODE4LhyBDXFZuCEQjOVVTtMi_RCJGLG5A.XwIPqAVsmPJMdKYhD4cP4DQqPpfDy8iSdH1o5VXamRqORMmPFqbMc8TcJQ4Qoq1pntf7608k0QNDT2f_QrWBxyejHmcNq6brBvuBchiUKk0y11fTDiDDVAfxFfoJtHtIlHvk25liH100JDr110ySKbpQKfcKdPQnnkfqzByAB.7QCxd2H8hH"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0bed9b0f58c6';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\/3714295860?__cf_chl_rt_tk=DT0U3wWqHzxnbBcSj7QLkEvkJ24rMI3pDg5w.t5z8HQ-1739179470-1.0.1.1-QcBIEbrB.Wgj6AMPtTCYvclCH9vmgLYevW4pZefdnuA" + 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