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://311844.mit-edu.top/post/6147259380

  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: "311844.mit-edu.top",cType: 'managed',cRay: '90fafc67f972c998',cH: 'zfduIQSZ3RMWzcv_GQCukQq6EIHRpNXZYB4G_Ozvkhg-1739178835-1.2.1.1-MGDl.DQepKHkWj0P155d0eXw.u7RHh1nj39ohcenOR0AZ_Weh4xOx_Z9gXxVr758',cUPMDTk: "\/post\/6147259380?__cf_chl_tk=SgePe9vP0fYbwHYcHZwzMU60ygrxwUQv00Ka2o936XM-1739178835-1.0.1.1-fgtyQJrL9S6T34TegVGBpzNkd1Dsa8xyp0UUFHfeN5A",cFPWv: 'g',cITimeS: '1739178835',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6147259380?__cf_chl_f_tk=SgePe9vP0fYbwHYcHZwzMU60ygrxwUQv00Ka2o936XM-1739178835-1.0.1.1-fgtyQJrL9S6T34TegVGBpzNkd1Dsa8xyp0UUFHfeN5A",md: "z47hRg3q7xrzvsHjZw2nRBy4tiGjJHmqaB1i7QuQFyA-1739178835-1.2.1.1-DhCKkFnZt8Lq2FIagHNmFBw0yXPuJ.IlSb0eKqe2VGweq0WWpYPtR2MXRmgY9o1fb14uvayzF54mRQLg9rrQQYSlj_wId8bB1rdauI5kmgic23NTow7rmyVZqdpZqOQ6cSH.tC2FkGIOlHVFBH3LkrNEQSB8RQCyU6tKDkTDN116jkIakgzqWmrAZMjJAGC4F7u5xwXNQ_RoeozpJIp_Z5rgnRUna3zm.OEZbLG4YmrV9swZ.0aLHiU1kycwADyFHlQMRXaYEwwjQV3SqDordW5Le.u8hkGcpdwsXPWtvGnaYXw73WYByLlp5QNxnyA9EMWwuMPtI_364N7RVbeZgwuFjwr75m5d5pYHd5jsrUaeWlxma0z5YJ3brfWQ77oyusrDxjehT9XYi5aW7TwoABvPdxi5ExmXdZL1M7Q._5rUU0tITjZZDWUBr.YNtT02riYoT0ASPc3DahhfctZ8RJP_72sydZkmGJqVP.hOC3veTKuiAAOht2MAGCLVzTqXBzEwTnSyyeq0GcQiJ_qO9DBdentDCPqyRZU716QVOH5gIHO4xfvL4NfK.dB4Fs.Ae6Z2S8wTrWk83WsUHn_80f1gquqliZGP_YYPO4nTSlSRwYMFleBHWAIamPgZtnXzcBIc2ZBeyp4WCdnUb7lQO8yViuFoyoM4mkJA.izgIB8_aO54QJcnrZdHn9KOY7PH9nRBMsm7mmzfjVObR_RmSoH6EJXcsyJxm6nsww1XYuAE0WOJd_mnHQAfAYxdxEW.RSFpXs9gpot5o5yipLthz6N65iMMeX66UTxE2_M3Lp7ACQWaT1W7bAhmQV8aP3GMEn06dKVLnA8nXi2FuZWmWFbICt04ijmlmRILCpuSoRJFrOHgO5iN1LrZGnrzb0mZVRDGdIECdv3H84D0CqJmGxE1dJramBsaFDIABYTC3ROOgkZAh_ydK5kltzD.UspnfHlnAjbFpO6zdk8Ikz5T3w9mPlxvbQAxZNraHpTqRFhtPchgpA5wO7Yg247SAdNLpTyJK1fCgKFjHee3XWkcqjhHdwnngWTCPxomZEyyjhw2i7wg2GwEmie_GWDRQEU99HkchK1KBPPKvKUVuWkErkLikfxOILDHQ_X7N_OOg6ekFLTU4qY35z9ljUNOMTjXisEW8Rqm1uqMwpQqUI4xxJfzRAQQNf4.YdBfIG1kR29y17ndTA5TuU0lJ2osmu2scvSMi.tH3hWfsvn3D5wN5roQBwc9NzSmKbmPTHHSVltp3G1WxVqhhZqAeQRgM.DNBiCbRq3jspGJTpDYab3UX_.m_iNv5Kc5qgqPEuJDbZl5UXtJkmWj_QyhyoNGPHJOlsAx1Wc61yQLGH1i8ahONnzbCW0jHdlPK0PQbg0exdcw4wb8Od4PkoZU4dd2poZrlORTsLzsyYLdN9FZhdop364X0wuVoqQX.woK_RCNDK.y1U7b.CMHjQS1KjBW5OmeqSE1kc.THgkCqegWwrWMWFy4RpNkAJDeRzxSP3VB4MJLY3EpwKCvEF6h.RMsvlJ.Yz1odxTRnT.S3a3u5a9gNSbQnPwC9TN8YbZFRBQ.8nDJrbl3eBpmfIauVhX2eu56JcfDH_6vhC0Yikm8ytrolKlWX33qzGWTmq0UZl2V9LsO12a4atvE9LQIlLCNpP5F0BTKLYWNOfxzGyUbOZOIoH9tBQGZeGYN9dhl_K_bQEepkl.mbg5AfHbMmyVFSL3fAg3zj7gsq4tZ8X0AMLYIw11CRjlY5yVMBnn4hF7_xNlB2hZkmYOkaMMG.SzUkUG0aJG2XqCIMkvqCpci4dpckAolsRSSsL9jbV2C_imMfzuxW8b79iPi9pHKH33svsWbQGjKpn1DWNrltMZ8bZ8DxMqeW_Dhr85jB4kG8i76xRdo8nFpYVMUf8le064ppzjY3lH5OH7k9n0N9KjoJrpzW4N.CbPTyRTmQqnr4.9Qc0WphaaSKW7wo3bbrAE0.EXUqijjbVc0RmTnr.xUmhHEnd7S9.MX.sTXaJL0LYYT3Dtbh5XSfPOtbyQIyQz7Nci9sRXXo1Q8iL5hEphnlFgP2XbAOsfc4xIO7.3mW9zqxPIfNsjz3pexbyv4is9xnmebfA6vuZMcKHSAF9J74qg_86GEEoiavWITEd4Os8jNAZSvcQ0F7DQY832zggTYjxhSzI1suJmmn4oBzD4TP7Q8Z8mHe.GFFGzhRkCYqgMcRzY",mdrd: "7X0yRW_jebsXkkY8c17Y_8OHBuRkPDUPVL63VHKVTT4-1739178835-1.2.1.1-1GxnfkYRn16b0VIW5C0obGGd8eF0T2a9AxRD8Yd3hyCRSmFiRg3ZPkUJEue7vV5Grg7oZsFiEW1yHKGW1NBTsVsxiNKtnTzHUx_TgW2qWB5UCxSU0ax_t6rFIVkiUUw1VfszwzTg5xptwW32HQviHPA4BxibmgbKhTASxHZ0KXy0qhK9g2C.H6WMbJc4OBQmgODanbFOKKx94tvpZoPGddXt2.zOVywh52FGzLqb_CuMi7stJXEsz4.DY8HiRRmXWszROH0vIzV1j5oaPHHBbC4UPISDlY6Ijp8P0WBGualVPgtT1xp4gp7auiKqfv9UlGRLoufdeKtqROddPDZv66Uo63V9c4WNbLIuN2.cdoYgmCPAxJDCW9IjgwE7xRB4MHhvjG.wuoiUYIBedTPQzo6AGvSXDUH8fCd71ETlxHfoM3kkA_qHAg_FYQzrHBDBQZTgual0u1V8ZhYmEldnnBrn5WtgX4Qz8hNS1dlqX9zvEvH0dfKB.n3PKJvjov1tEsJl6GjPvNHgmExVMDdgTOzeP.ad807UevARRGi84KGWNxhoCXQXOuIqC0goSvzwbh0.TyFPWi7LonvsfwfFmvr4tdA80.n3G5UPSK8QZzmbFoy8XbR.Wsygo.F_N6t_6T0hWT1oc3nZyk4rYpoJTajEjulsjZkphz82iLlRKFZIL7c27k4Qm7Mg2r9oQybUUiwlPkp97Jka4nH5X58Xcw69xajlMtMUILYAn3i8FyiwWOX91jIemWWgP9UdKDrNJsrBT_YNw5yBJzbue6ngJyjAZCjb_QyCzYW0WpIPhfkm1IhrU0.fPMC2hwX75ivcTB328P.WmpUbPErpN4LbE2VtKRMm6AHneIkVZY4RRc8SQOtCg_cJVuQ5OODP8pK9oXRWR3s6s1D38PLkVd5p243kwZSrbRUqUI7yHBqkHTOS6ZhsAblZGBEhPSXlHy_Kz7g79CU4ZWiBQ7flwpUmSE1d7EKTEirsK8MwgC2AaygpDkePmx5R1fsnAICWM7.QUthDW9e9cv3k.ZmeLMSUnYFKL0R4b0vBaCayrj9mPrGgb3XqLpRGU.dTo1UyYYZKkvwzRHY9OcZgupkoUH_f6cBRba6Buaw.zNIBxhwZPaSf5aIby_ERaOYtrO8DwcfjNc7I8a5_JLxDiZNGcCRuytobnitnn4kFYbT5vzzvu8Us6wq_lgCTr_TW_5GuQ8qTb2ax2iHEWLt4fKYwbtVHSswU6mpKZPiMRYUVQMEQcRj73PUmUBxJHIau4to7Nt_5HRpn7I3CsOJXObzYG_PVYVEubOVSaCmHO7MT1LwHf2fwZzZfcbmKECtwVmwh2J9ylob6XhI5gx39KTJ.S95r7g.ct3CQypTd5QSslK3vgJ99aZpcBxuK.3ToOD88NdYxy5g0aT9Cc0EXl.DtJZUmkJiRXZpB4yrV4i4x9TKSejQuUp7RAlrV6EzoaTAjeaJ07_E6iERZ3bUXb2cOEnyIv1dgzb8lsvlH8GlvGgB9M62MPHRLYA9rcJEryGAULSX0XnYs1w2YtidqrgQt5lqAEPFAFnpC99GZEIoXi0LdtH.NfD4QAe94R0M1QLgflidudkOB2ajQvBYQ5ZNnCvPQLCtFf.pnF7iiDqo18R1XbkJTbj7VgkWtZCvh3ss.00zUfE_HRR3USiscZvMiYUH6LhnqBW6AqobpqePqX4QdZpIJll3J47elYZrAyfWS1Se6VH0HFZrAZmfIRGR9rWUEJnfS4AlkUbeedsYTkL4kjUbX0.1GvvKRiHwlqRj0Htnk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fafc67f972c998';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\/6147259380?__cf_chl_rt_tk=SgePe9vP0fYbwHYcHZwzMU60ygrxwUQv00Ka2o936XM-1739178835-1.0.1.1-fgtyQJrL9S6T34TegVGBpzNkd1Dsa8xyp0UUFHfeN5A" + 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