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://588931.mit-edu.top/post/3407126895

  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: "588931.mit-edu.top",cType: 'managed',cRay: '9107a2e17e08082d',cH: 'x8ZVxIRerwv0ye3a5pztWAaq0g.aBl1DRqzfAKPazmw-1739311483-1.2.1.1-pj..bSLa4L.nnmt48QPIEBh8NzW2NqTPOi0b.S19KPf.Fk8xGn__wTw73AjILC3p',cUPMDTk: "\/post\/3407126895?__cf_chl_tk=qMI36mrm.rRl007thdCZQixuC0Zqg2S8AbYArx6SA18-1739311483-1.0.1.1-as46V4x.VtE0HXYVawebwp.aOhFa_gvuefqIB.b18c4",cFPWv: 'g',cITimeS: '1739311483',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3407126895?__cf_chl_f_tk=qMI36mrm.rRl007thdCZQixuC0Zqg2S8AbYArx6SA18-1739311483-1.0.1.1-as46V4x.VtE0HXYVawebwp.aOhFa_gvuefqIB.b18c4",md: "Hx6KH9Dl9LxE.6uCIsO6hf8XLPSoFPdyNEjrVdhnF.U-1739311483-1.2.1.1-xxuqzw3qs3q4N4K2kfWXY7ehnt1pJ_WsI8WcKUfYSkj6_RP3P2mwKmUILCYxXCJJFOlzE6FyqF.Cdq2fJ7U_KBtBXcdPGq.KrcXa7uwGZ1BpxrXBpImQ8wc46eqz4Ft4b7Q71ytBlPmLn4N3cdLxx5cx89H5MJRUowl7QhPvgnnOWH5M_ol6OwaVCMP34Jc9sWaxHMmwyMp6HRkSwkdXupJMsnPvhu69eER6pc_IgSYqC9GDtSCNXGTnTH1Cjkvtwrr.Id7xhiqcjGa_VJ0nfP.uwGxagEImyDTZu5AF9uaPQYSqvESbA19zdeh_I3kWjNrUn.RzTD3RQC_TbCVwBvAsH_InNnJXAG36hgt5Yv_kgJpYtPLybQmuP8K2ivLFZprkSuxLMH1MI1iqj6GqWtK4uNfa37EsEMPoa__Nvzi8BqpNEMkCz4V0BXI4w3zIvxLzOyBMi1fCFQmAaCr7tNCfkS4NMfqCIleEnbfzYbp1RVDYRTfJ2gTdGk91P.8S0Q2TKwrrCWQz0IKDqBAMR22Y6KQsuwDJ7Pxh_QWtBYPNGzMSGzK2V2156R418nr.aTK2YWx6D6eR4QUkC18qzTSGbpntyDzj.E0t13zXrAuowayzpHiUfqe32bH01K3IvzNlaEF..ZmIboFW3N.qm7Fok41qRzrc11D4tzTf0xuCbROIaEBTU_LKxdIcNSv6gmSXR.SKsYlUWd1t8tfbt_X_Tts4waiIBB3T08q1uFFQZIVN0AqHwUbQItZ.AH.jB1i7x6u8LXlVGZ5TlDcCQLtPdK5an1mRdJdzxH5eKx8p4Wk.WLLaUweY1t2u51mzrE24cFqHBrI3MujqkKlsX.MbSA_aO1uKs5ic2zgqhgJLjHbkLGikYp.mPLaNbVIi.NFRBFRbrm5xIR.r72Ic0rhJ6WyJ5PtU8FqYXax4l.XxEvU3b0yXt1Za9PujIB8THGj8J8IC0C3L9CTgaMgVkTlowywHRGIN8S0aVafYM2Em7Ujw_zQcYk3ctwVB66yola2veET.D9FpKGfx2ltNDhYMKTkSmWxZSqki2mIHTzCy7MYXnV34j1j_28V60IQWnfv462wE7QnzgvmJnpgYMEt0k1UIYvBLqpN5UMYilZIMt3xK64OGRhf7Y4tSqQCPiavnmgG6Whv7jzLkiHZFsQ1Z4KMU1Pk.kaA51oCtqVz8vD5C6d4JLhjw9crKwZZdb2I5UXQyHdGTWs6oScJEUEvfzFzKa9jd_SVAwxMApRrWFCSqqXhO8TA4KTk8jbAVig0._HEOJlLY0P4zSUoVjlUThRu5H64DI9Pv8t5Pw2xos6h13UAirX_eLCvzQMQG7dSO6HI5aW1jazbx4qUgcs2z_zMUmtv_gLP_SuVYYA3WhWf43kufko1rXBhjsdAoUG_4u9ECGvZClAM9Z9Z8Qlf0ViNz_y7YMGmCiuT_WMz7h1JVOiNceyJuzDoy.NjMCKTQ9dyMSITz0SLMuZuozUAG8UcsXqOgcH046zS_Lz.pM1OoJwJO1v9Nkm5yDYS5ph5QsabKPmTZLrkQiWtJaJTlJKTbJxiocVDxvr7GEfVAyebE3p.4w5cMlGK0o8Kf41wxaCJmiQgzta.h.z06Qt0FXJJaklhn3M5mM596oa5mmLgrScjgxRE8_C0esVCJQWRwVQK4xdbMuFGlDkUxtoxCtJcskeBdp1dWJvuuXKkCaqOMw_VmEa6OMlqpHgcaWcDknvRhPmna0ZQxIr7jeaGMXHKcrp91lTkNd823yvzfQUbXXfVMmyDK9e9vd_7VRlF1MhCziXGKMk5hf2bInNIAv1LBsBPLF29zOKouyaoi6Je59Su0snwZHkVr61R23g1wNsNwyCPQu0ucgIsP.gOpTV.NlY8ewHuW.0zKBDi0IzAI9kwhEgQZZnL7NDJpLf9IFka1uNTfHYX7Ot4vyIN_itromOxzpQgoYWwGzcs2FQ_Sqnp4m3JIFMlwtm_nNOENL95JF21CORHZ2t1aBKFgVZyDvPz2YcSyYyBJvGp1OklbGcjnENcbbhXuvrNGYgcQhBWhy6RgvqoP6lLWc8vPVtRv_CKcoQJ02Y67tAl._HPP7KaQaM2BoKVmygEkjUYz7cwZHVhzomqhTq91JA_vnTnApsKgcFvOqN.5KiTgBJsm3gth7dHyls1s9wKJa94JwfXy8.Crhj03Grf.1XfDNupxf54gYVz1YFi9NxA",mdrd: "x7ceFK8sIlwOatF5EUeqdKdQPEbIEfaq06tE.8AJjP8-1739311483-1.2.1.1-nzd.SC8E9WbQvH0Qfd_E7lUPmwyL4b36h0QIXDO7Pc1oqZEZFky55BO2WB1U0sdF16mqD5KEEei9fm9ZDlPG5SSNDKx_e__7ya8iB1siKo.6N.LQef8icfi4osNjF8eo1tH.ge3JVEtsQiHhYrgCvowPZqFagDcAmSYjEOqEqf15MnyP0ELd5ldA58HkSNpOC25jzIT5tfp.LVnS5aDKwLZNUFVXekk.aJIp8uvSzKzWINSg3FYTGhFEARTRIVCoLgYDRYXiSKwC3Gxvo.J_BahXHi9kEd9L79VZF.YH52qJi.Ig1.28cpWkhl2E2qZfwOJK2kNamr94u86AIbQidYRYE4WWSQxlIMn8lZ6sUsHwbqqi3N2SxPKzl.y13AII.TWf8MWujsRx_nn4Bz9FELdJhwIB0Z2z9JAwLQ4qlSNYfNL0iH8jvLSdhNGeV0STcKZ7NlNA4bG8jxDKpexU89Yb5QvVmZwAj5YdOtnTG1D8PNshAeOtP0VYkd.3s9FeGzRyiKpCY4HgSSd8TjcNGyNZ.ICezqjCiRe8V_PAe2yBP1cyOqgrBShHgJPAHZiwMB3C4N0N2bY_.WDEwAoD58gpEuWYOmtMLFbSIxeW3hXt19XMbOO2rlQHdpFrzYqOBPNZPCcmY8e1A44wLJX._gXfdiRIx8moO6bvENqOreOZdMWdYOM10WK7ms9BwYRUNYe01m52CEOfhHr2vpkkOyRJDds6wBOoSNQhAvAR7z6cMw0RYz08ZyoKPMjlQhVLjluz5PlNTTwijOjt4tMzToUjD5AGJSV06SKS3fo5PYOQM3M_DT6dVF7tsgtru0qU0s3ZSWnSs0gqcUUJIT7li5WCe4K8.uMAbjCgD1T2bmTQ5vzWdXAHaBdZX64bkvwu5rKuYZA2o.cXo7aKLoQDSZhc5vYxFWA1hWWAEwcjubPfI5NbnovHlWLETKQ_llTrGU33thekIOZrE9jO9FMrRYFLeuQWf8xJ1u7eqmo3xzQEz9zsVCexeaQmj550WdPkTR_PMRkqlIb.H1hqQPkDDuIFx8Hp8vkQ9IjMCKZRvbnWxKtwl6ElQ6YXih3aALRd7y9iFofxbSlq0oON56UZkjH7i4vt8aTkaVo8jjZ4Jft2TRAuztU8T4vLYMDIR1SPGvOKb9t7.k.vDDjJiyT6Z8O6wfHX0g2o1gNDztaaDJuz_bnNSLI4ObxAmo6mrcX7lCif5ISJza0zVb5p4lvLmeWK4VJk.8EG3h47qJuZbpOk2_IwUnOIpHeJhKkYCcywp0Vdaw15eK05wXUmcQwjlBqCxUOZ8mylabZdyuLEBwD..3DzkmdEnKvs2k08sCqzHU0sEHqb9b1F1csMtNllP_DySleA.OVurKcDYzoJ2Jm60hiz.PHNzdSl3aB4Z2SkBq9E4F794SFnAgsEOBTMNOp05PgF2gz95zgy2zNJ059L.eJVhdZjCCCTAbcbjSRrj0Hdvwy1EGLBdsVw4dmbsMLvhoP.gqEZWGSCk8xBBgIl32Sowfz7xbpu.dnZiV5N1YkSA1nVrugwl7YTFkwOs7lVG8RHuD5zjo5X5JcLI28gCXYw5.Ekaz8RyfYNUSACMOmZ695Xj3VVouLheCRwgrPc9zHPSdcqCqpcNaa6xRzIzv_.ndxrp5Eyfhfa3EG9oZDvmAhbYE9CsjT8smd0Nhho3nPJlygaqNPvIFXmNlNNPF_dcC76oeWe2uBW34NKBizmcRdadkVKwBpMvTIUIfhG5mfO4E1gI7Ash9ShJ8lQCXJF9eqPR5KIKjWBlqiu"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a2e17e08082d';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\/3407126895?__cf_chl_rt_tk=qMI36mrm.rRl007thdCZQixuC0Zqg2S8AbYArx6SA18-1739311483-1.0.1.1-as46V4x.VtE0HXYVawebwp.aOhFa_gvuefqIB.b18c4" + 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