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://581696.mit-edu.top/post/8340169572

  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: "581696.mit-edu.top",cType: 'managed',cRay: '910fd1cf2ceec943',cH: 'rAdS4DTt.sD5MVsn07EeoHhavuihqiSDYz.PslearZY-1739397291-1.2.1.1-oZUR5wX37vC1ohLZ7S3eeOVzzDjeb9XHBiASAXfbKSA4TC8p3jQN07a4nsrI7CiO',cUPMDTk: "\/post\/8340169572?__cf_chl_tk=CGBW9.nYT.i3iC3OHVT4AVZ1T.ewzlkTHDjaY.gl9JE-1739397291-1.0.1.1-FTTHyOdRF6f5WtkVGvmEcqrb11.pDaPJKGcFO78uAz4",cFPWv: 'b',cITimeS: '1739397291',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8340169572?__cf_chl_f_tk=CGBW9.nYT.i3iC3OHVT4AVZ1T.ewzlkTHDjaY.gl9JE-1739397291-1.0.1.1-FTTHyOdRF6f5WtkVGvmEcqrb11.pDaPJKGcFO78uAz4",md: "Pu_JyazAVdhctUtS.p9Lp4Ye_JaALJwwwQ6mtGyBWI8-1739397291-1.2.1.1-VJcF3iZj1TE7TTyZJ_otV8sjaNLou3dNUd58k4GAs9DmKRK_d54sgswSaATEkNX0GEKLwjF_QqOa.kuSIkeeJVEMMJWUB.VLigwdj2ukoDMBjl6cFOKnw3v.r0e4rXumCUKaO4NXvbsAJutUQZ3NQzC4BAmwx9MKoqKyOvHl8DLXQLk8mf3BsPLE084wGLmVErxR6hsqEwvRkSlSK5y9nYMAA0p1_Xf.7gegKvq_zdbFS1syCCXG3fIJC2MjS.3Ju1PoNEs66WXNYrH0OdUBc13jPHWKM.F1FFzwVhMVKZ7HWvHemnX2ZUe3Quy7odZxiZUUT5zTgx0T21JNZOkMP3PWyWBRVk2Kk5Fb7rOOWO7OVyE.uP1AzZCr3irMd5dlH9spPON3KhQv3IdcVks_rbXC_sp7bcRDF0nLDFfo27bXw3E40lNLfPo9Nqwl8UxAmk975Zea_SjlQ3AmIS_NUcB5X03TTVxzp0e8tFNk8qBv6MZxq3SMjwnFNBWPxMAbjl6UvnVz0Ln1ndl0RvL2pR90c7VFeJ905KK8oIdnD7WxGAKm2vTwLO3a3DKrVXboAk9m7ymVzPlrSwgtb54tGFNxby2YBkwQY_HCgSW1GHHGcaRQHVGqJnokKjmuuTsLxeL.KF0pNajv2F_iNE4wGKkNvHrltQLDfyxqjw68.jzUZfmNE.xeH5AmtaiSneLQ1_nzJO_Hp5Nv4Y50dRJ2ENR8O4SA0TYClLObwaBAfsFepGtwMQcXbU8_F1tBygxHpDbzrykkky86ASimr.mmKzGM_b3krz3XtLUcB8NF850uPTucP1xEqNBViCErFrY2jcVKF.K2sNBULogLWRw0YHoQAPuSETnIl8S_ms196JG791yUK2DywlgTCv72hKt5nrDSsjLYvx86bPA_cmayv38gpEmdJHczZQ17hbCYrGCm0MJ0yf0EHDtKUKv.m7sSK63tefoScjNg7uvadAIGc6fujgieH.Yhw0RkLeGpk3OGvXRljeo8RWSuFTB5gWUH4I3PjwnC2oXVQwt8vnReamWJ7DtTsJaMsTmIVWHLB5DDuEntEtLiGIx0ahMeBL9YgYIQ72FWxIAai1gxZDdzThxV9R3OF95224_8n3DEoBvT3Vg26zSI7jeyCEFJsOhfkQLx7_x2sRUVyS3c3BG0UFseHiWxonCour5ADwcVj_8.6q.7oUDuBpMXc3Z9cChtMFtAnvPwnkF.nUSzm5mVAFe4ii2bzQTKRXV9cjkScbhd.3ru5v1hhS0wAkIo1_rJmDLKiEujm3m2PBcJfNtgpTTv4wl4UWOywuD5UQYeZC60XrEvJHS.zNZ4VfKUI30ZB.VFw6DqwIFpmxhD.wqRKI1gHfSn4uSyqR1GqtrYHEqa89DUxJhF.JTQgYa55v_5bKiOh4gbnpsY1Za476u47eJ.5v_juYciWmf6DjLX0B7oK7z0K.hPZO48tiR4GHNqTIQ7l9ZRSlmh6yN0KDreBn3YM.x9pMZdjBjKmwlhdO7qPVege.WK6KKwZF1mCs76qptV0KxZ1oHIFx1khKCJS09VHA0YU2_8xYVz0wYtCUhSLxM22WNNW5zGQcBzrf8ugf0..7iOPS9OOYkKVKwKZ.Ta5w1YkiP9iFBq_vG_fUCMXMceuaBbGBhMsuWIl.pyBq_4ICRNw5AHqBnPC2J1lMquhLszje4z_OmeB23vHqU13nqubt5b4VHQ3rb969YNNRxn_Q.T166OZ6tET3EoYirMXtOyVHqGI7kG52UaxdEN23D8MmkzC6Sys4aZ7lDxV1I6mBu8_CSUoUhj03CuRMhbvz0oFXPfJ2PKLevz9M6pryyhLP7KNc8MVjob_YPoeY2jd6ebWj18VZlFvffFIHYOGBWkJgA6ekgoL3jDMPZDOHECDY6fjbNrgSMcbXpoisrTxne51iCNzadl8OXC0lOdez87EAcmMOEc27WUn78.vTFVv0eOHuG3o5uW4wmGQ_pHm_7bBBKgiq6YiYEKsrB4mJRgwp7f_JkoAEOJ5SBDSToAeUlE52GpBIQkiuZooadpNuLCcyr56yaqq2lnIWmLxtL9vSXM4Y0halBMmdaU6Oh4Ss0ImVRpgf6.rlOoDmiy2wZFDyatZOyyzrzXIQOLFqH0ML0MpXqKQ0kL12hafAZtzI7SE3vcraQ0PDwG6TwCWPW1Q8HYDv56Z_fhotH5plAPAG8CVpxXfshdrA8",mdrd: "fsBTo2wVdFJky5hYKVquolC9O_.v7nQYUWe_DK3NObM-1739397291-1.2.1.1-uddu09qGiW2dtkt1Lks0O53zWDOIF.S.sxKLEUklYZ0OReX8iF2tEsU1xDmXZXkHsAyGLbiz1xBdoj06ziLWJqkjZc7Kb0eYffo2_osx_GKfJuycyk0J8LtzhG75NnuW1xBp_F1vQVg5WWe9WrGX9t4ze0t3P4JRdbDaEhdH.h4cQ1w1tpjSx6BCWaExf30zapLNDi4URfKQtLOlFPre8vg3e5DcLngn5p2qXwmzCiwMCGhAD5zJSn1RXQqgZihMc97QkSp2t_VC2BbwZKmgOXsCKzMD4VKGrM2pizJJ9tPKVYhv42IAZfahm.Rr.mgPQbdweW1cVXnLY6DwDWVmg3QNX8PCAHYmB_f3XTrtEaVOeZAqWtXgX4x7oSqM5tBP374w1iYFGKHwCTb6pFvHMZ7CM5p2O77rXmzLSOIrcJJL.wRpWEkIb4GSha2BZvabn7fsI3BvMqUvQkWrOAw7CN9wSrYATJmZ1ruhaJmUL7a1Xt.YpeaD_j0buJDv_63aEzq.wAJpiZBUMGZr6JA85CdGLbvAeACz7ScXBsVReg2.siKt6Cb5ep673iCTk0_wKkcIKTvxom.vt6Xv3SOizuPxoXqEDjxUgW8A2LZxztaDv8TrbAzvLy4d2ATnKLRCgnKaN2dtAg1j4LITVy9YzZPmj_OkTmOYjzlQcjtFG2cJ_R_tpWgrYQD.i8aMbVlZFjGhkWF.PrNhKHvmHEaMP4fzlp8T375VAj0dOxJ_PQAi7L_ITcl3vZaDnO6GGPCBKGGjtL7T6OoPWu1fqcQc3Z5s9IztT4FyBTfPe3u_q17DqtTWaFC_ZItsO5sFm2hBlgd6S4KbgRj3R1.Tdhjy2aULt03vIvs6T3c5TMLjX.l0HjSjCdRQDHNSIl36vIxZTTHfuHkvBgXBIrYDPJWcKtubKR1e3iEtMpq5C4ZhUAE2fsP96Luq.h01CxR8_CY2LhgBOJgUywNVntRel5zLfv5HD7y0sWcaFuiyScEBduuOe.IdtZnJ.x3oY8lGiCEwnHLXE2HjVKZtvx1Pa0lQ.Mbm8UTVnn6CcPx1KN__3rSmfJNNLJcEAWIt3P0JGvFoWLj.YkuPnck2M26gdx.da.MKL6gRhKLoImD5GiKoJRzL2.lF8yLWQNMmoa4.gZtTHy1voZx.PY2UDyLjYjzycgttpD_W1GXMilNKfeaeB21M_f1Lu.nKt4QYw57d8GRj.L_kYgUHsniJV3og3WmCSU1qPQl3Coci8jWzwQpiM78GVCKp35vH66qLzsrVLujpnKFN8wUmbyPXwdcWyy34.Yw0oo7taEWpQ.q6IzoWdE4GXsVbd5NbcUf0HNsY3.fBFxuEgteM7LCIvuzbl0bk7LMJv_h.JbYg_fCV7RF__0MCKx9kQaRlCdx1fkVnvJK3h6johO1vLH4bCmQrTR673EnMfyKgi9KyohZaxZeqRri1JhgtArRlaSt_aPgNWKLxSb_CJoldl9L1RSyzRs5QI6D7gtUOyys8Gays0qSgk7rmsPACB_1DCqkpLrNg0T_CLjgAsiJOWSjPudEc_7CZR4qSC4V1d9Ydo7WDqAYskLNtyKSMmM0mmjnx9ljN0JoV0wMHrj1taHeG2bPHnNtii50k6ztr6q03RaQxbIomObeOJNzj62cO5aVlZ0NpoOuEzU_caSfc5UAbVpR6BNp8RY9LWHA5mdsESvVse6wIUANRZ4ZgY_c3hVI__LJ1..gigN89p8JrlYU2WqxCnWNhZQ1OTvkKfSB_IMs1Ucyg4httss38t1jUsamuNsWsV0YNaAKFWh4HEORyGQ49oEDnAw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fd1cf2ceec943';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\/8340169572?__cf_chl_rt_tk=CGBW9.nYT.i3iC3OHVT4AVZ1T.ewzlkTHDjaY.gl9JE-1739397291-1.0.1.1-FTTHyOdRF6f5WtkVGvmEcqrb11.pDaPJKGcFO78uAz4" + 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