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-644953673385.mit-edu.top/post/8917326540

  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: "blog-644953673385.mit-edu.top",cType: 'managed',cRay: '90f354e06c0412c5',cH: '0FmINA7TPms9aw2DoNRFjNHXAzG02FQFoIe8n95isYM-1739098572-1.2.1.1-U01EBqKrPqnbcEySCEgbYelb6H.yZS16lVTLQVdf1aHI38qjBDQBVFQu2lR2M8Oq',cUPMDTk: "\/post\/8917326540?__cf_chl_tk=aM..C0PZSKJFDygFNT9WSAJL1XTFSiHW.nxBzE5vq7w-1739098572-1.0.1.1-qGbj6TrcHOpVGuEPG76W22EBqOjth8uw7AmTmt.cBd4",cFPWv: 'g',cITimeS: '1739098572',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8917326540?__cf_chl_f_tk=aM..C0PZSKJFDygFNT9WSAJL1XTFSiHW.nxBzE5vq7w-1739098572-1.0.1.1-qGbj6TrcHOpVGuEPG76W22EBqOjth8uw7AmTmt.cBd4",md: "Cqthr2.DTc4il7sG0GzX5F9hghj847Ry3s4ZlWrm2l4-1739098572-1.2.1.1-dxIA0yKOuoMmWt5Ug7OzGYbwLLfQUxH49ou7JcUc0axyB1eATm.vAm_e1AEIj7LgC3Jv5hVE0CWN6y_JtLbNOMoCZxh_4.OEjdOInnkW_YdR3vA0oxYA2S3KYsp3OnsbcnC1nNJNrQjNVC3mb_il9PMpWAdzjHPJt2VwMmrc3ZlvxazAfFh1kJiEWUmOXbIBi2FB1SQ9EkY6QnS5EeL2gZ_z9kZsAgZ2TxUekN36txCSAx0MY3UEJZfUyAUKLWXyCCLsiqHXwmDVq4uTS7MYam2g.y8TW3dNxqb_y4ISSBXx8wqNdPkHk_NUq8_rHPhNkdOMRMIWe15DStq70AbyJ0MvVJNI5kSFc_B5K8G6Kq0IKd0yomQ8_Zkvazo0hJN.OEwIctD8pw28n8JLnPXWmkFsArKhIYJaKboBjMvnWsQ9e_unuKYYYvaiAYp1HAdkRgyKl5YWWB64Giw92TxJMpeFKavOODFCvDgEiPGghZVUtbdNtU8rBPYW95RKuHOuLpIUA6W.OX8NUHKcVmIMpoNGy0kRl48MngmZTT1qaFIlbHZP5E3IzfjUdAM7UDAqPG82MT.ycMpbBW33XSdey9QPsF8DUAeM8hA2kiWbLCvvD30LzSjazOlIei5eUZyqbc8n._8ZlasHfqu5Yw5wJWoeQTC2iNw2OoTgrSsp__ZhBLHIKXco0EGTtd0qzT6KcapALK80Yl9Ilbfg9quFxltM5_gtZ_LhKaIw_RZo2PjVd2XVNGZs5MKxgcO2jKSNlnXqkRQ5Z3nU9sf14vBUVJnhhu3j6fN.gYcq1I78zmn3UeNEeYRg8xp19nNVzmv1eJ4DvfLewiV2iyTmG6JatbUsr0ql.fcABPMayFiJzHUFm_MtK9lPNMOi0ZByP2al5OyDavnLgUg7RhJKpC8zNk38rBfQ87Xj5hd3pJORKu216Vm.bcx86mKUug4UejQsgup4TX5rEaMSbTnJqLaqo0155HmbIWdy9WbD2PjUOGrdUuQUFPD2RWB0U9.XxJaC_h50ovl_HhvZZeNBqb7GIdaw2CPheJTtqDRHWhn86W5KIur7_v8JItLmqKy30qHaCcn0saphYicY7EJ.pkFLlhFRg6dRMU5RWI2kZY331sfTz2GtbtPa19fJfGMBPXOoaIIptBIFltCPS5XNGvpKG0PGUD3Jn9fa3Hw0sbuiwbTGJkd0MU_sMAFIOUfY8u_luSzvPUyhs0rkXxHMHKBR25WSPpVGwUHANC5oY.HSWF06199Y.vuwrYCxGghphcdPpGW4sYzimbLzYJO_OJGBqU5el3vvS0hDnerOWUrfYK6e1G7mHnkMkfhhIA_70NGONnGMSMWi3rhLb_rHikDaG66MBkHCmRjwgnrBa9QmX77x2kN22RTEgz2Tv29TvR1mYPoCsXACPzaAR8CwoDUop9cpL_AUeQyDOdfB5ZWAVRgDv753kSXUWRfWDKg7zpgGwveA_RGIAbjhWnz3J61TgNcHH_4yvFKfIDto.p3cMqYLSIJK6cMvb5xZiOe3pfROyfMpH84AUeSquDXcpPd9lRo1nFeOih_t_lTC0wkXdNJClR3Z_dRKlPpHPr7DtVFGE834RTEl2WnUgO.rjsdEZhHW0IXEGC10iulkxXdWxoh9GRMoNG9TOzOY0mJ.I45r0ovcCjn6F0icmrgmQJLPCqhzqNG3qVpLRcGnNQ2N9ITdqxhrAvvNHTuGdE710nl5mMOTKYF3qUHKEYe9VVuEFOYxFe56EP8zGqLt_sBVW1ugRKsEdw2bTPHm8b_4ZhPuvZPqywfI.eFelIpHObi2WtqjIxCQXncs9x4FhYrlUbqotWgkjOhUPvFEcopTRemE_y3GUhix413FhzUZu59ZXK9woxslno5V.afqemkd1zbLEWlzehyL29c.aRLVwvkdmaHkBi6L6AzbHwPpUlUbwkrEmoROHhGr_kuAT.XIwogoIFt1kRvJ6ZKUprK7eBwQkmX0mR..c3N_F46rCz257F.4Yd50CpqxXYCP4c7P2B2rs4hfYUdGRnybyGZirDWBTg0P0.A4jeM3niNYFf0hkJe6JzmecYzcOTEFeVnIakD7q4ZliGVnbkuq3JeDFc4BNo5GIVtOqrmQGEbFbcXPoQ6pp8EnCNF5IbR42OtU3jMYDWRaB.54xgrLJbqKR6gWWaO4E94uwD3jkxEtLFZF75Ag7SrPkO8G69CNcB6BaGj4Iw6.P1o3fUYJUBzWQQcr",mdrd: "uW9UsVajemwcat0LsEtkgIiWqaBR27CY.C9coYKKZTA-1739098572-1.2.1.1-2gd3sBDKkEzK6MUKVNLkGOvV8w8nngvHP5rdpvzUA.lDZCjcmTEuwcvLz..A3H65AmOW12rqfBXFUQVJHkPbNCNKk0pKWeDoZ.nA7Tw65zaMFFFCkEJBZBSLs54HKk0Vag2m4_nHbc9aQbfdHyFTySO4GZ8F7LbT3pXzYAjd5Mxk3MZbO2dgrAzQor6lUzYjuYideriSTP2jrqHv_jDy_.H5gnYvPcX0BUqwbJqysdNh2ZP.f3L_9SoNkrJAUJxvsjitywDwLtwcU8gyGx76QAfFjPnxIl2qazOQlh5R8iSC_44r6wApJIgFHKc29VBbWD9zlKquRfQWtC3kvkFnyMWGnkcWAdLfstkucNwhLzvy514O5fIsx_nZw5Or6KsHVYS0zVQgePIZQIwAxaztC08SEPJ5iIwQR1vADUKu9S.wyl7J632VDTOdvDQmBrLyIMLyQKJOI5P0eN4EsPtTmNdRxVQ51hLCnEthWQFJcVEeEokm.zzFXliUhSuqNDlJ4Nk50VcFkR4r6JoVsLTjALXqt5vUL3PovbbbJvHWch62aR_Jz7rxh79ewBUNLThrUPMfkEFJnNoDWMtyBJ2T.FljbuKCkk0S_bKmiyEV.CHXU8p1x7J3ZdKswTjcjBNjg7vnoWe6CJF5YdqgCwOGAlA47h0iUzxujWgjekRWTP4yjF5lOv4i70.CUdeiqpGgSHeBUYDUZWz8CvAF7aBxTIvm5hAxHJBWq9GWLoZjV6PEWS9S9W1yrh57N6AuLdebpn10RppagptrhiEtdIq8V8lucBUXXCPs6mdMsuUhSxOfM4kKtvtqbv2SfuOWBxY_kBGsrBXVwpr4Xz10YzhK9GJKA9dE1MDqjuHR9bQLL.DPysgJ.4dP.huqikcApDJ4odzrGFghXZNt3PP936DLfrYnsh.szHi8cJfV5dcwye0ErNIYgtgEN4btwYdWZBBLfItAgRDWI4pZXuLY9zFirSftTWHUEhWDp2jmsFZaJE4bkuIibNYhR0SyujbP4Ps_vtb.hLmtZhxQsSww.UN1.u1UqlOtATBf_6qXkhQbGGHjb37CvCSmiVAwdd3vTz81X.iOuHtRdpt4QQ5NAsIK3s7FzhvP6k988mFcIeFcko2ufx9yVyGJCvPPZMAacVCIBLlASnL_VXwippBTSbiFEg.Gm.Bkg6MAdc2QDo4uUlRzm5UcpjZYj8QshnMwcpeKelC9RJrKbWwh54IGkiQO8IkG2E5elTHXEtKKAGoGkfS.OR9MDOqeH17K9oLMYtoElpkMajOr0XwY.wy_f_y14ea50xPSxpBICP_3YDMPcOQqCD8p2qhXB_JZZqH_Vi5O7Cjfed0aPszA1zAigoJAs0TWgKFAZFUorTlsjj.rnKKLtQXep6_zboOOdQHZaVAhoyVRqoPV6nI6yKQ2BssZXPEoBsn4TxvHPKMcSnTQQCgVRZY_ExchkbmcCDQU15bqFbnWOhDlvP5FJvBVGvdX6kdFo8Y2RPQ8IkJEy5QGiVQZbMts_1qYOvqph0tI1YaeCows.0VtOYHiD95DmO1jChQ8xgjIctKslcQM.x7CFPFZAQ7S27SlyTYloMClih2VkRcCggkolF2knvs5Uv7nPeeEbFy86IgdpsK278yfRTsLr8.oCMdO2.DNf4GM8sjp_pmoQmHKY_R_pTz7p_sQinfRhM2BEyraAMNrnzvnCPA7ND59RCfeHeVa6DMniaiNEOnTYPJ9HnYLtc92xndM4WhOoqph9hHRrI5L_S.iyPBIXtO_csz6wHr5QuLgX9wL_ZzlY06HcmFlq7XIfRnKH33HcO4.5DpVm0hbfjjLBIYMmowZdfF.6OmJk7k6AfSa"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f354e06c0412c5';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\/8917326540?__cf_chl_rt_tk=aM..C0PZSKJFDygFNT9WSAJL1XTFSiHW.nxBzE5vq7w-1739098572-1.0.1.1-qGbj6TrcHOpVGuEPG76W22EBqOjth8uw7AmTmt.cBd4" + 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