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-057494806902.mit-edu.top/post/5814736209

  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-057494806902.mit-edu.top",cType: 'managed',cRay: '90f4ba743b933ae1',cH: 'jH83wrMm1_a3iKNRgaOzhiqW05rU7UAn6qON1Kc0gsE-1739113219-1.2.1.1-DOIFwY_QAHx.Po.Twywhhb.aVC55ymLDpGU7ydzKHROZFueY.Aym2xgyGCx0Eg.h',cUPMDTk: "\/post\/5814736209?__cf_chl_tk=iMfJBhH.h67qGBLISWFbUE6J_EGsoBGjROgiizK6DNQ-1739113219-1.0.1.1-DCyBt1ubkfpqwgUS9HlhvqmK2ZPKhi7lu3mESUtjgtU",cFPWv: 'g',cITimeS: '1739113219',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5814736209?__cf_chl_f_tk=iMfJBhH.h67qGBLISWFbUE6J_EGsoBGjROgiizK6DNQ-1739113219-1.0.1.1-DCyBt1ubkfpqwgUS9HlhvqmK2ZPKhi7lu3mESUtjgtU",md: "xDhbP955d4JuadSxKI1.VP6d0yMvWgRmHGmfmq6khFs-1739113219-1.2.1.1-PjzIkmFIhkBa_CzBW.4kkI_jf8J_9q2t.tZr6iGc.tumk.fCKK5MQFNeQaXbvLifS3XKFUPENG.zMGyBsrY9kTH.ikmCLLx71ScdWEazvV_JaWL_NyLP5OBl1NURZifwLonT_TreiB5LjejlRNp9BYbjdQrcMqYyNaFWFMUc2hdVGlfqZahsiYFWz0seUo79PPF4i6WVkVt2iXdKrywmAK5meqHQ92QEnoTpNuDb9XeW5PF_jvBVljqMieAqfoEBBreXXIQjnTUvWRmM6unxrPaqbaf_JJn2hilFH0iAmbllAqMPeBzeJc6oCDrL1CROdGuY1o47a0SUI0jHSUdvVBzzGm_4F3tyq9Uel2OBdhAJ6U5zmf3FpI6gpuIydomwrLKE4KiuTbAuPlcbHsF_cZg7WfqrL5QwjOhuLu_.rHsfwWVBpVN7i5PMgk9cUzuyR_cPhRXt8wrfuO1xIiYaA9PYHF0wIz_s8POTW4IQxHYFW_y1X63wkagEE_YJMJAgdAv6njjuHuxU4TAdcZL1DQvQCqsnpUMq9I3OrY.70unlP8KaAp.DFgnhJ4qMyWJqGeG4saomhZVCT6YUH73Og4QtsWDUAqDs51C_qf_Um.vr9fckwREedWzswsgVgqy_IlCRr9WmUQbWgv.tFhSLrI0sbYBb66CrMEyFsOQhCfEYyeoONxLu77a..mIJ_pbL7nEYOef8Rxzg.M30x3rgHn94kRGEjQxZH.oz9QsGCnyvj1gZaH8AyZ6h.UAd789D1mOki.iPW930euaXo87HV01p6mdbAYOy9wFw0b0OwqxpZRXZk1BUjsER_.GMn5vepYEdBdXUiE0pAQ7zjbcw62plXWpLFwWwHiX3qv6rXnDodsMkFquaQls7TZ5Z369JrBAgkVLvI0L_tv9Hn6dRJO7lB0QNt9wMytmksfeT103gvQNCf6MaiyoP4hBieKqU37pihnSTuom_8rSyceVneJ_5nnMyw6hewsHWT9XUrIFrL54jLvwwp8DGECtXvnjd5KjuBnXkewPYD2MNCaJKPuYMvUCcvaZeSGwH6IHel0PG9_8fQvDxJQjpL.k8aE0Oa2gbMJDOauhBAbiMjO1RnV_6G7FK0gQAFbY4qKnbC.8zbLnwKDxrJHXmkm57vSaeIg8W.yuUUkfVZx9OC8m2TfzDuKu7tcepLQ7Y8u2WGzbZujUjHfSZ0oDzhNo.0ZV75UND5c3JvAUsQGQndJHQYrrwp_qQxKjtvM.RBS7_PSBOkVCMdCQV0nbMKa3u1da1yhTj0d.LhHFczE49HlK5BJ1rxa2A.ZxMHKX1.U0WZinmWSbJMdTkivknB14h2A2FGVIAXj3CnLpe31DmRqjElXmjt75cuhwTlyKH2.zCilneAVUoKLEzfjeVxtHONFjuAPELMXQD.JnJk0R2sq6NQAmqceeohrrUKQNNsDGyPqZhMXbVwMDj3rMRdUoccwiNgW.3Q9LAb2SUDIvJfPLa6vvVkgXyTbqA7DV5uoJyAsxvQQ6jiQ9IAMVCDuXW83ky44Ee5sJf1t9PQZXirGrzKFkc3Vy68NIrz31QszSuUXN7HI4WnP34hrPuzsoifFMM0T31XQbi.EXJsfLw0OHR7ZlcJgl4K7RUpR21S0eVZV9F09GpKxqGsFluz3WVjTMSNFQ1pauA_zTlRWvuwadqd5S5LH53zJXwk8TS.VCK8gEmoC0SetwrnVo6Y9iRpWXK91DwqVpb9KJVOa3K6C02kK4stk0VIrGPkOKLGDv6_dR5cnyC20WD8rtf8UqgmpOnH2pTvewqL8bdtmVQ7nC.uQ_EPRUKWSly2HrhRoxolnn_OvPvqeJsqqFQzyJZYUrH9UXV6rx9xdIiiTkCVsrK0rFuktX0vAdKvkBnFlbYmy8fIYLV6Cmk2phO8BeEOaXqXyr7AtT20QFU4HCkYRfPQ9QS.DjY4RyE7pNL2iP6blsdYTcJLbDR6ri8SpAJg7yV5oJp9aK5GuCY.npQMzNb7.UPdJiJgnItcdg4mAlJqYyrEqGug2tYKU7vtR5zklJ86oaJstuibcw0pQEkt8pmtNbedTS6u.GJWeveIa1gRAqy8Z_HKwzXLsH5pfHnvALi_SMH2.YGNaMqdh9VnyM8gUsjYMARDZ.3oB2WGRtGHxXvVpo5WJhBLrIkuCj1kzDkCvw6fouKn.vwcqI.Ndsgk_QpR1iCQfJKbFdXJk5X1I8w1ap6dhjtsUKAawMirZCx",mdrd: "vppDPaNIsbJRRhFfvR7sFVzqQekcpMa04GlPlJL_aV4-1739113219-1.2.1.1-7eDZ4gSLJbFVmK6wsG1cPa9j93lKSpe9ZbefeUDPaKJzq3zmGhUzPCbmbFyO2zJUJ7oWDUQ2wK2gdwdAZxz6cDYXJqTD6HesD6kBNP8B5UkOqYTPfksFnJrwMY8y_GQBy66NEehlt8LqoF9IZI4nmyXWuhtOWtHEnEES68E1qVCZ.vtyKiC1VBLnxcwI18KmnVM6f_j_HHO3TmS5NC__dsZQ4JHvWkRLh.4_dejJEhodqgkyDkSZOE2h3wneBuGlhImmwybGGGN0Gxgc1k3MIW7wFvMY4PHtButC4Y1_OLPuiU2J2fzqVIf6zYx_Euz8ZjkA9pdUsVmgj0ErpBb8vIQ0Y64iyKA226qKo6RvaznNM4uo0gR3EflY7Rv.OoQy7LNhKCoKpsqBW9STMDTRpK8cHlhhsS_8iV3RYelwU5Ig18cAqy1m_qMOgENhxZ_F5xscFuElY1TtCtVgeH9F_EoS6W4qE7.RhY_d.GJMfkQghVu8b_c0UH15FYzFkjav5gB07YUp2gUOktr_4NZYg1chi0iRqRZ6KBG.aceWnCd2ht36Lkv6RmY_7KeSDyg5_vwrsab0lNu3w78XER2S8AOHyBCyVkH3Pxr5tjPk_HBN3VkhIbW9BWWD6ht5xPfhMSAn4DoNk9SRC64_HKp7Qd0i.3e7LCI12xXZLkdaXNj2KADY3a9jPvS5GxSjFl6ZgiO2i_hkHdXO.ByhGN3K_o0XUtWU0oS8S9o1dU_hTTnubqDJIqazakN7V4UQHE46txEqkP2G.IHdawcqfUv3Y8vUx64N6MsKerq3wVLBqG4LW0exkmO6anKK0..VgWRgQH0eY1UDIbzEvTEG6spQOVCG0Ukj00tr2y53kU5r5yZv6Nsl44aGtsvbzf153LRGvdwjrQIUHcKKTTf6bKmDZ9NihH7APNe_vyJV6alxrtc0zy93.cEs0nwuDDSGOjtg3hfCPxgA_WOEJMCUVuYgWUJ8kKMngRD8FZqtgSYkd4AEKVvNOQiI8Fg_lmpBDjwk2fnQqXhDZcP1uS2XIDeMPmoHHaeBpCIW4h7IegGuJSFG9kgXG16YKPmkpLeOGBIxxjqugpaJTII9BbZHSFVdr0zdHE2KslggLgixH2olakxQ2kZne9iAQwpbuqRBblMIK9PVsroUM6VkMnbZo1WIbQ8yI7UQmi8nMi6pRSUaq2SrOnHFDxH5RzKpFEabGx_eChXpGz44s.H_4HDRDwiq1HDev3CaFxqMCtTD3evhKZAj06fSiAU_krBMkyYL8gh2b0QYqeLE5OEeosrwWjRkFXTwpF5TpwbGtgYzQZtzrnh0EAWWEeCB9BPXlhM6CfYZCf.D7bbklKnuigDnZwdzIhJbkLKsfrjmScdOZdnCoTsk64wy0fUSqfPpu3Z2CcEx0JMKEi0WpCn6H.O3Hmodz1PTlBvQ70x85kgioqc1R_dOUkmbIrzSFg9SspVoW3QACGEciBnou7MFk_58hLnGoAk0lGj6RFGk.NAoXdz_QKLlDvP0jH5r4wTbGkBGckUh1nfR6GWUz9.iNas0mAzfLSBkSFNo3VPhsCAGtPM2PeYPcgvSz8ZMUYVtsxBP_rQbarGjTS7xmIgZIr7eNops2D0bC4EpI912RefH9TdJFR0fEFYmcr0rLSToFboRvsL1f_.pYEVPsM5EVi2MCTKTwPNSQU7UBqi4MVEMBiORAs8pOZVU0mtV7b2U2mivEBwTc4_MRrKafO3VEXKarIDOQsShYCZDhPqezE.W.ORkaPC8bUyWA42_EOBs_sEsZGmV.wmsdmlzmA.yD2vmTdj3JSIF7mxOcWAz_MsHPMsQlsk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4ba743b933ae1';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\/5814736209?__cf_chl_rt_tk=iMfJBhH.h67qGBLISWFbUE6J_EGsoBGjROgiizK6DNQ-1739113219-1.0.1.1-DCyBt1ubkfpqwgUS9HlhvqmK2ZPKhi7lu3mESUtjgtU" + 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