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://blog-015805392415.mit-edu.top/post/4671825093

  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: "blog-015805392415.mit-edu.top",cType: 'managed',cRay: '90f6ac6edf401729',cH: 'HOnc9xStiTtrBEsZJFgvMkELqgiHV6zviToaJU3x8Nk-1739133616-1.2.1.1-_3hqFcm_euNlxId.99Oof6hNHnvyLUQj9lDPfKjp7tdCNsbwmr.fbJM5XhF8a.I.',cUPMDTk: "\/post\/4671825093?__cf_chl_tk=jYegyX9NL4a.xwxALcuFgC5hT5zDdc9MSmajHERaAz4-1739133616-1.0.1.1-_VS2f1c8HYBXy1AdWrFtkTgZuFnJHYrjLrShFhrHvsQ",cFPWv: 'g',cITimeS: '1739133616',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4671825093?__cf_chl_f_tk=jYegyX9NL4a.xwxALcuFgC5hT5zDdc9MSmajHERaAz4-1739133616-1.0.1.1-_VS2f1c8HYBXy1AdWrFtkTgZuFnJHYrjLrShFhrHvsQ",md: "pBF.zcwia3p265lRwd0Vn1SnlF2mEzg_v8MQaaQp1a8-1739133616-1.2.1.1-Bdrz5xO6BOTy_tTjIyZBNZzjRp77vyrjIcvZDpdjUfFg_ROZua0NIpQZYxc8jSiFJzQaQPxD8H.MyyycuBVU.EvDl_0XigEmimQdedcp9ZWv_z8wZg_yx1ssPp0OJubJdBvedAOgQ0f_N7K_PBVr_.fwkNeDcFJOer5LYVK0YDI1oHrq0B5MajclYG.AJ5jktR39czTe3ZsfG1PlkvY3UavVoz9ps2TCx3XldYi2YKLYNHkQcReuQoycDdjBR9L4Tu6BKPY4sgK2m3kpZFR9DtRNF7l5GloZMjf6N_3yvjUAgvgFYHF9Y7ZZayoQGL2ZkCRZR7N4a0MwAcWe26XNdyHlu6_O6alQkWajNMp3TdWhvP8XbLcf5sRDR8s9ee0NTWWdW3dggKYzuAZQWfdUObNodeVJbgpDLt4M4qp7peHSYInoNxx1s4MhtUTvvSJKdvR18y_xwWmG0RvZdo3UcmQSVXurbxOzpGQiru.qLCSp_r8yZEFMKztFbZ7IzaAytoVvzs8AWuW5DIpDq1YnAjjmFHJoQoKb1PCQlEOcJr6_5f_7M5RlhvMCMXwXlmU1PV0SftZJPRAtzb_sB0UQYsDOefkn3.B5FnrsBMBWmLxAGy5.5sY7znpXmRzXyfGOQGpGRZGqE2o6IGB0UCd7jKzzU.QErgAL7VoUQEFkKbZ80eQyraN_eiQyFZNXEEbi84qbUD.WcbS_7qVlNfHZiUk0rmHVkOQw8NcdpAduPty3YrBAsBOSsqTU1krs32aXsAlkZquEHHCH3vz_IgBz8KzSIwhEz2nhn5xOUl3TQsYobmQ8BLBn8zMNE46Re9ZYtkIvEwSl0h9M4zEWlsQ6mBdkouicCrhVoCPss_JgaEaF7R43RTVMW0Rsq3PC8rDYpscA6JGYH7.GbY4mmClFvfr45c3b7Yr7sSbL6YUPgZzllI95HHTzGSAu9pKWzNmLrBR1TAx8Y72XTLCnH8ArTqppe3Higcxp.RSt74XmPEoxOlQQ3wkGhW_J5QQe_ADCw4IFhjaa1n5AiH6EX7YomqZYYEVy8LdVF1eTFdU67NjBTe9WqQ.hD_QnGuTbjdTC3gCRn7ND0RDnC7bU4km2OnU0sQynWCalRoJFQu78t7lCgapyFOSX5X_Yw3x7rh_eOkJQrTfoP_YznnttBy7Q5VbedinqQlwGA5sZHMr16XC1oCq8w8TSwvscvEY_wXtSzQVd2HkgkCYcnoLxQwm3UooJmEy6kBHjLk48WuxRgu2ctJRZ34lo1q16bNFme5QSThKEmlVMuX9iE.ovjjaE.MBp9sgECXogl5CwS791ynJrP77thuRYTvqPepKhXmJEYAFINhg5wTwbJvadstaXDrl8cLN7S8Xii5NrfEF4BTzORcoLCVvz86JbhMY7HSu92NqVwA.y7ucTFZMg_ag.3pZqRAV2QtKT.PYiaCMzVlnbZ0TS_VzQmD.LrBGUobz6bRN0feWFDNtJk_5yINn38puM9J2ftZm7L0ZESy3Jot0Ze01NnXyx027gfioAFLRbUW4aF6hzIcZ0DG5zGQ2QSnQbl611lf0EKJXPs3b0kR5j3se9vS4SPRrp5yPNK6tDlwUNjqYeBqOM5Xc2M.CKrmqDtk__d8TfRSNocxyTM5GvRb6VBl4zG1bX0UTL2IAgDc2z4n4UVlw4UTK0PaCvfyRKPBWlg1z5ijhXwpbxkfzIRAzpoZ_JC55GxaUjbUbMBHFmahthzzWiwW__EjsjWxwfzdbCQGTZ8gdhVnEstY6ZsRsmPCPC3vWlE4k540taz919GEHJ27IFR_9P3EHyvxtB3R3GLOfT_48bxGKodv50Jpylwww0RO6fcpoUEy.XvY.PGq0FKSKy15XLShlgIcrruhvZzJoueGsbHoPJ5DkmvM8zbGg_vLzcpMmJSSzn75YdpBOV6ZM3rhwwRjnVKDwbyiSwrvBb4qXySErCQTncPM0EYJn.XtkjJuvCI0HmfAKCdvljKSWe9iLVqk6AjD17FCk9AXOF.lNGn1cOSJQLSCITqnnNyaJa9nNqat3YA9t7D6I2_BvhRoV_L2MjK6ce3p2nCo06_vYSnNddbVDiWBFZqUDWI1FLn7Ad9OMpMb_tvbSUr.Xj.hyT1jP2Hf.roWMUtft7o3.Kxew0zASbkp.f8Hy9SRsM17i4fjWsBOQljAuG5D4.aonKbMji.LoOkpBipJ1Qx.4S.sutc9Pe.Ycfvob_Ng8i3irm3BvI",mdrd: "YJzi4ep4Nf0B6JHQUc2BffDvr80Klrp1Gimzo62qXL8-1739133616-1.2.1.1-YaFQIGIUsQHeErWDXEa6eFpbdeZkVjpN39r0G32xca2hwdFyFOHhQHDHJhOWbURwG6FPfzEyR2rQ2QGt97184cLLW4.AX3rm_D1A1Q8s.f9oPnE475KXtufnKrq0Evl0xrPKeI3ykcbygEFjJcsp0An30wkQfv6zilS_YLMbpsl3wmWizSJjAFa.Cl.OAtD3I2GGcRYwHJLWUtdxUuHYdDXHAngtkfDf2fnnpk17waBbZskUX.7zhhdUvuQ4xU_8z4lIRNhVFgHOCUHFgLzyiBfI3uYUl9DwQC.FBQ8s7RhmLy74uQbkHkkLUDfbzdejVUq_x0oTuUWCHyLArnNbKcpZQBeltaw8G2TJnaaZqnUR7mKdGJmob1uAJTX6b_h4Gfz.jU7FZEnNAqWCuvXWPZyY6rqd9B823Fkb_UrV4AucgC_bsKzm.cDxXFW4PugR_vrnfBZozsyYR8EdN8zACuaLR3rTy1XblN6_ypBK9qZwPv3117iXoXGJmGLvhgeSJKOJUi7VD8v90UK8vyBrcj7QuoSrJIW946W7SnKLUHzxXWAcVd42U15RzUYBYRYzpIu3BD36xZmZjkIBLLur3NGAkR_eneQhs7u8VPTXYlqha1LFgmppPuU1HRYZRmNz.QQlb2BoUYxT1uwNN34JJa8YuSkowXwIB4C0rJeV4TxsESkhaiAeoxR9LiIsoV3qd9i8.caortPTVHPLQkDacQLu.Nt1vl8AkA5V2nbt_Akm8JhBdH.ilXhKEzPtOPt0HDCS3AhJKdgm8a8YV39R8MKQVj990iet0fUlvibe2vYrKEdI5uSV9zOcNdNYW0pIDmIBDBcL9TawWNyOZftP_ksMJO_KL9_J1xzqJ2mQK7KcOtYpXgmcOEkPWfe7CjkMZa6HuxEivLGFMqQRW79bJVuZDpTufqov62U7i2aX3VHQnYfsJGRfMWJVyZ56_RFJS49PO4AxrNaWHb547vdHsTTjdgFHTmlHQK9HLUI1YsTZvBnF9KKmjkL_TW0ADQg.07vBN4P12oxFg.bKHvr4nMJl5pJx77MSFmn2NRXUYC94SchFMU96fB2On9qcMGF8fHRJ.WD5KN_213G8BVcNFwcGz3_AZK9vCYN77_f7DJP0WAPkFhp_BBvvlgmJXA172zhVQJQ0b1ZLcWOTpZMY4oXKVeOWvn_wHjJIBUVF.Vkdv4g8IZuG4rj5aDhFd4Glv0wLa2a7L0Q3IHNW2_viGeUJpfHf9df0dVsAP03XfAvzpydTRFwmPtlclBjz1FL_bplPWbrJU66y2a0fWocDwsiTEoeCUaATaXQlNLqKtXLBmGZekZMzvnqrYMLoNZlWrNMtnueXSZqY1K04reGLBs7uZBmAcoxXjRRFwXO58vd4sWK3LyB2.n518X_bwYQiJpeaHanII9mcDNrgQZKlSOTMVao6N9NHL4I_XTD2Ru8z7UuOVx5AfMQN6Zj0Lbjz549F7gkRjawn0_MpJbzNWEZJdIcp.l6cFhaJYeftH3NRNduIfnVUjN8K6ioDK06pvPLlbaO91VQckIXhiNT8TtJMGmpGn_InWNU40z67T1n4Ow8TwuSg0d6nVJf7iUYddeHCtk_ZfQ6bgoECUq4dQHHjcK_ZROBBfFrC0CKoArpfIKhzHr8.xL3QE97iT_Qgnoja2P.YR5ENEz6tBS22mFWB4scZghnLG4erXKTKxCkCw0hLNjKlQuJdFENZFU2KHI0L96kW9dAr4dRbACl1f56kjRIG43tfC2XfUKnX_Zxlj92yyDjKJtrHg7kuRtVL_KWP_ZRPqqE10wlfXmPQdhDwLuw_I_EgSTm1W7fQJwI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ac6edf401729';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\/4671825093?__cf_chl_rt_tk=jYegyX9NL4a.xwxALcuFgC5hT5zDdc9MSmajHERaAz4-1739133616-1.0.1.1-_VS2f1c8HYBXy1AdWrFtkTgZuFnJHYrjLrShFhrHvsQ" + 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