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://252113.mit-edu.top/post/0754816329

  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: "252113.mit-edu.top",cType: 'managed',cRay: '9112accf99d2c56b',cH: 'Lyp0P6YoxyV8zE66o_tm0myUbq0Nov7TT8Xinexz5bU-1739427233-1.2.1.1-2kpTiX21_m6VU3rpejWfQnIM8vw.MHzT0Va_0MbNnNqjfxxmLnCibIn7GBKjkouV',cUPMDTk: "\/post\/0754816329?__cf_chl_tk=gsCpwgiBFm8A4irYMT.ieiswtqgoJ6_ZioinTGIil28-1739427233-1.0.1.1-MwIWF7Zsak3b10eNfPBUSNpAO4lqif_infFilsYB.js",cFPWv: 'b',cITimeS: '1739427233',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0754816329?__cf_chl_f_tk=gsCpwgiBFm8A4irYMT.ieiswtqgoJ6_ZioinTGIil28-1739427233-1.0.1.1-MwIWF7Zsak3b10eNfPBUSNpAO4lqif_infFilsYB.js",md: "njpa4ge3IaIrgoaLxyCNNapTdDNu_rz9_9BrLkLCyK0-1739427233-1.2.1.1-NnuBo9nK8klcJ6LvD36vH59ZPFvl_jJXw2pjwn_tVKIJtqNmTcAsOdvz.20hTGlzYVoTMGuVpAK.XmlcucQ3FKvkYEDJyfFGNQaTpJIZGJAxk.xpKG6CnOggDgWuFzYZrvLPAgzvZcI.t83XSP5EjVY7ifjqW39WrRbes4H11M3vO0UCFhTRKCsARo_spAPwXtXm6BBXBDFV189S21DsjTrXtC91mP4jgzesNtD2TxjDH4.Au1gxfBOy6bWWPJXYbEDJhv25hqgCTUb2KpiZiJWx0MOHXegvuidVX.jHUFNi836IF6Y3n9uzkvMizHLj_tIaKag7cCiuuWIpjbv.Iqi.Aa93zZX0Cd6NFs5As0FWAsOgvJjcAzVqEkUWN8PuBrzLMgm7tLdUIwz_W7qIMZj79x3s9DWwFGzMwp8SAuc3vNlXbWvmIeZ.d4_pIDdUGIsRbKLXJkzfddDz7vN9mb7n6o3YOBmzxsCPB3GNpCmBgWS5TrDr6b8jns1fEpTiOh.VafZTzkpmYfH48O1VG8l0g9WFTZmWzUvw4Y3JntZvRKW0Ujb2FUDTckfDjSt7I_NuKIGKEB7krVQfqGHSfSZ.SdnaM9ha7ISHy9kjUROkx.J6xbDAow7JvSIunjbk6ba89_00QGEgali4foUA5hwMXmnMW3i5ktGFew3FGElB.i3l4o1BvJM0WAOsRbRGrJST3EPinLVZCkBLuDc9GiXAgaULJz3G4I20QDQ1dogfnKlTY82o2u_ocSM32cia2XITvcqYtxA3lSwOSehbkkhvRTAWDFZTPwtpJTIjqqhJo4M2F4QKBlR4OUsczDdLqKxuSklo9l4sWPmiAtBJ05qmMx_qKjEUNEzSnxYOFqEPuT551CQL5lngs9Q_2sKIu8c7EbECpml_wosIb2CI6eFZ0N86UPG40YjGNTicniAw531jHPXPIyQjDEEGEf13Sby2inOx2YXeW4PD.bGkKb7aopWgcJP0kBzvkDTOtywa8eO.5jsJkl9gjmmpRTT_NJBWHZGhnKWfN6SSIGUXy6.Nrjjeq5qvtZUoTeJo8ubLyLWhvee5mp14Y1kTETOORLCJ8y80l9kEVN2SzjNPTERumSEifHr4XqmdLzDt7r7nQdzdt7L5ncFE5anA.J0dvigBLP3hItsmmy6NNjjrUCsavsMJD2WU0it7UfXqoA_gOl2fJ3OhD_YlvwhsodKgPZZhYKz0LqIEXgt18C1QcOIF0sOSJNGjRi_3KUelQfnsaDdGt7Z5CPLt50L8RFF3hbqWkjt6gqLdkYMVrMkC3WzWZo3QvkEJa7tOBRwQcboiK6C8elZ.DkGcYXARRGZA72x.aNTNTGBNiZmV4cBYe7y7a.xT9foK7ICncFAp9oW98ng5JtccdnUujz01v27O7FAAzxoueiSyPvZQj.3lSanBHUE2Huemr6haffx9jfS60tGYlrlrFuBGKW4v2UZxe0xb5NrH3EHUU88R1clFvEZcBo8k1S8fFiGgAtiE4UK5s0M1lRtYn4gMFRmZNe6L842Uvkm8ZjBfXXiARuX_N7FStg14NjyN77K4VTkPSVd9lLwaJeBqfeMSaLrhEIE1PIQDvI2R57DbSy98J6dvIv9OYdpPWWwH_jgaOGPauIJ7Cyj9FE2zAuOctOvhjPiwv3fGc2Le1AGZQAF7ZVt_wNgwtBpR0p0aSEWIeuLgHFqfUp6EKDhA5qcndDNBPmxZzGHljOwo6NrxTZbOO6FLaoqZXKTk7X3YAzKAEG9OkFrOuJK_trIfpWT0e6o0v6wHeZFap6T70kTdgZ1kRGoqxcjDLzPxj1qqK3Ffk85FsQDhuWxLn4lSOlaOAFTWYNr42C5dgy8KxZrm875N6MrVCx4hJUM6qQGqc0vZmE5Xl_sTM1yWgodWoOmi9ARVLTPaI_pwoCE3oy75_rg0JKuiNPskYrJ4dvl8ZoWpIXMiJ3YmCpyCQ6xKT5Fb6VFVYaf8.JZmrBIDvi4Qq2b0SBLaVZz0Q2gweSkOrLrMH_twTD5f3Up8WlDjc1MsuSqatPFaiqHlUgRIw5xO5hJ6Q2Zfdn0DfEorSWWhl4ZwsKUnI6YyzsLO2NhYkoHT9REzcwLdHgRyUd7.FYIffzHFsS03qetee.xx3GHzd1dpNESEmmHIGLn54Ac9hzdFaqXZ61PZsu5QEUvljyTVCmrquU_M7Q7jkFFD.HcbwHNhv4_i2ys",mdrd: "aCdtZX1ZS7gC1OvWRzIuQgy5zGjXIKgWeprBm1YzKgM-1739427233-1.2.1.1-YUfXENYmY2KFZrEVxEyIhoXIkCLIuSVmC68RyKXg8aI5OQzcyRWCyqAlh_pOj3.rAVDVmNb2Yv7jUPcgNnTs8.FvETk5dgRNOYXRX0cGPKy9S.f5mMhZ1SAxUjCQjpRDGtVYQqWGqAWMYpHaM_VIQ5bDxaL7HuKB.1Q00am9ZUrUv7.BY6tE64_GdMZf.6Tazzd0ZeQudSw15kqDoMLA4DkE3lnTbhJ21wZMdYM3GwDCTUSoBxvZOYiodVs2slk7PJG7E6af05Kpm9kUuVOLtZtL8b3o1UlJ7jfl_IoiwjvAEz1gMvy7yhNdI93xhR39XiC_R5UCJBIneFXK1wz_MDkjNcK_WbRgCceNxJdwJNkWwYD1h3VSVrerivlYJC4KOOOaVqHRsSwElFv4UtKWA.TFW5ssxAyVP_hZSkQl7mrTq0YnSNeMUG7ovUnHH.YDz9VIcx0Sd.JQnyvpv5E5ZLti9uKbdHAVNryVeebnjigN5bGYNCZLNhWvjwPcjZSDrXL.SBhbTcKhyd2TH4ECBBtDsceewfiSv0jvNs2QQsJvjZOvSxo3cfHT1rly5DAbhycfnwFzET6jDY.A0H4SsqSBXqAmm2s3zaieGin.px3NTkfEb3ws00MG7HhvWPRdqTBtEG30L0pUIXnNJh36szsIe9t3FC2wvOwCtNgUu41STxhsrpLjVEahFP9kkuehZoZtxLADpb5bYF5QQybqxwYW.Js9vxN3pIt3QUf9U4sJCO2Opxjqch5T3bjDdzulNoS3KfAkYtFTRTmEk8MpCRbIIFFP3xwDa6fRVwMBkGZOKAHWe0dc3G5EiSVfMJangTsWWdLvcIO0XuLr.snDK22GGBjIaWaW.577NRq0e9sFzT.dTTJhOaijyeQC8fLtwdse2uO7XTVVlCQqOJB49AFRegZrgkMDgB2IXk4wF5qFpGamIizUc2lWrUQnU32jvcKbHMCZ.5JN52cJIZM7xCZPyJ1K.yRoyaEevio4NRb0RU05e9dtBoOHIRRQeCNclBP2mUAX9lDkEwJcpeKe.iumecJLIS8cA7ndIA29nENwzdyA_D8724.9CF4rv9SE94hgQsAhm8ckFJQdfWfG905zuoGq0V1G.lBoHGN9UYzYYYR0EAMsAX7mv79ux.v66dt5Fv7zrVNDJ1X3kRCkssyYkvC2sqMwRs7uu0of371SDflgUaB21DnVncQJ3jVIUY4C04HXrYbwzyxVf5MNnpjgsknTAKLIKDK4DKR06NxTIhgJ_usaAbjNykuzaz8Qjizk6x.BfsAdfybAutAdJZpHdga.pjFLaER48FZ1fLOmjjwROaVGFP5bLcMSgV9qSUiq7qT4R.PbyM80nfSgcKzwyvA1mtPxlmVzrIpLXQ6RfGhB6tadqTEzu33Av8BxBoMcjML0BV0zE_OwDb1gpuSlo.3TCf7RsWjlxb30x8bv_eAT.3PvUVHeKqmBZYMiAE5V5.r4jIDC9qJzyo.yk_Tdeb.y6l9kdV3VuQ7J83PN_0TIyZWH0p1X5pd3Tx4uGwunjecgST13bErvZyBdZRH0Y4bi4s3U_AKQmcrHl.xvlMj5sKnKPNigZug2uBDzlWPn8.FqhM9AGXAepaLwZ_e1NUuIlGKcWCerqReaSz63xRIzlRyuG3KBoafG8lx6toWo2azPu1gDzgNWD23U_0FAlO6tltBhdOH2ovGrhOPP.fYNJyV0g1xzZAlqh.2DSkwpcD0GPoxq.pCwg1uHZ1d0GmIcvEtxNsIJEO66FDL3kGWpAypixnIAyxjufbuQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112accf99d2c56b';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\/0754816329?__cf_chl_rt_tk=gsCpwgiBFm8A4irYMT.ieiswtqgoJ6_ZioinTGIil28-1739427233-1.0.1.1-MwIWF7Zsak3b10eNfPBUSNpAO4lqif_infFilsYB.js" + 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