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-457121086515.mit-edu.top/post/2105968734

  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-457121086515.mit-edu.top",cType: 'managed',cRay: '90f3a9f03faa202e',cH: 'Do_U2m_Qr4JPUr_oXmhlLUJR_TfegMDCzl9hsAJXzSk-1739102056-1.2.1.1-tE0CTSN4OmAVVFTSrQG.Kop_PadwU29Iq3bHx1Ke4Hf25TPbBc7BU1mMFMFUeIqx',cUPMDTk: "\/post\/2105968734?__cf_chl_tk=3l0vy1uOSimrNtkARxOf.b.8iIp9Hs9i3DuxpQy1g7c-1739102056-1.0.1.1-C3b6rMWe7TTS3MOJQxpDql_kX2iWJTR.OGe5gcfoH2k",cFPWv: 'g',cITimeS: '1739102056',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2105968734?__cf_chl_f_tk=3l0vy1uOSimrNtkARxOf.b.8iIp9Hs9i3DuxpQy1g7c-1739102056-1.0.1.1-C3b6rMWe7TTS3MOJQxpDql_kX2iWJTR.OGe5gcfoH2k",md: "BGJJ6XKmmjJZVppk5rlBhEH6vzk3KnoQMVrc7K5T93c-1739102056-1.2.1.1-f74N.9tVOcdFc8V9oiHxv2wPCE_m0zausK0PqHtHpCXp9f6HcG0ZhWp4xsb0CIpWZf3lCOu1hZKWYBxWUbjfsbl_bi3sfWvche4oAXbjr8sy9AQXw_MDKPlG9M230YhyBnp2m7pnRMt7MUnB2pvbVJp25B9LPIp48uENK6yoKUInAwRn6CmIBWgMHsimhD_W2TNaUDvDEZjDI9mPOspOxLwXTSEZqJaUs31KWp6lSvE7wA3hl1Np3yiDddRiiQSyLIU_dUKulMu34k3oT2zR1fDt1Kbc7OnwoRtIvQ6Nx4DhvVyUleGQOxwTu67zf7ixSVycPyNrhPJX7QtUG9Vc85BhLyDCQGWz5SqS22MDnLfmMrh1ejXeZGwq7CRp4bzXyw7Y92939j2R_1iAtZ1r22Bk2lcqQ9sFHBXj16AU0k55US4pxLFdrV1YkONQOWzK5Wv.MX_SKeF8rxHzzpi5XK79UUsuU9Lp7ILIJxrsj7Rzf56iikTC2mz0G06uWv_OaUTjTWF3i7dwKn71J8x8Cdar3kIUrvGQ97OSTGJtpDpWRqg6i5vPX42OILRZwhZFatAkKCQkxBSi6ZV0GaEAAQ6CJDTySou7DtR2Zj6_Xx7TuJzM5VuKLCg0WNlFrn37msk7YH42_JRbs4umIW3s5cfpLcLjsNeVxrAGtNP_XpL.IMEnXVgPj0WAKeFj5OKVb1fq.d2HIBbbUc9iwHYAJwz7jQ8bMmkYuSDqYSULb1hGpqtAU6CmbBxn6Fb6JWkm5H8HwnNClWD0mNBxUZQkPBPk5So4k4m41Sigzw_YTVanHkWviMblRC7Jw.6HWrhCnv_IVWfv8cQ8AWwu9xKsuXDzK0d3XTPqGDSEf_OtssttaIpLt6HP97omW5yw9Bca3RtAQU_i4VyGphSMUSIE54f3XCNV.lNMU3G3m4BGwXwF4tN.0DnHDk0pcnRiLielFGw58s3fR394Ri6g66iEsZUoNlE_.rmoae3.z1yXab6pHn4fOlNOd256SC3hQ0vg7aufHNYnK6gRsyWoR8nlp_JRyW2YDaGLtYZ1mSJHopb0g6_Vwt91wCJ4sU7J7AQgFydnmJy9lQvBAiQHhHj3FxWedLybYfL0X.HDhqsvuquJHm9qrPPqDn.q1k8WRzrumYyoWTJOm8rGKjyn5cD3ffmDmf202uQo9Ila9dM4vPuXSp0SKDvpIP7N5Rt26p6oDwQ_T8FXCEXEKCgQI1ADa2nneZnRUZJROhXO7ItSp7jo8lSNyOw5ogU97DaQpaSNwFLgYKTFkYxx1wn0HS_i6XoX2EAWyvgmXPFfVO_GhER6THfdDolgkmgF0ybK9F7PPLKQWfw9v5Q4x5O_iAlx3JhC7X.dvJwx7HgE8cgUjuwK38WeSkcexiUs5q7XSxBqfH.1ebg_4tuGhrXwGjX9rg9DMLFCWXGS1jRVkhtltEwJDQ4kM83bN4lbu9j5Q33Jh9UX1sYd0EklZZXAmSxiItBAMJdlEdqDlNwivs0.lsYO1DEOUqZ9T2pRRNYkCJ2Y2rOz.qCfMFoNAm0_vKAi368yb6pxX4nzbdVT0RXCiHD2r2RfRjQHUiaRRGDDEvGF68hn_yVY5vRNEF8DGj490pqJRwkCCfIYDb._DZCVADlcr7z4FVVVcZJ.AkG.0t7Oy1HdFHh4N4gU4hHqoij94tnkHckwRWz6OrsKz5mnugFX8egbUMdUXhP1rQ3DL25dnCjV__aufgfJNpOfjhn3V_kaq2o5pls8KP7YgdbbciH5PTZHIMrggvC0iP9nGsnjkADwyszar10Hr4Iipv08TsdInT5rb.SrLIJlVz6u6RFfCJ_.Glj0dZ8mZcaXu1oz_lGZ_TUJPcw6iiUPF68cbcFXBKIqxKEknw69glkvVdCKhD9f15RGmo9YwZlXKo_w014a1rH16C9pjdrDWjcGtQqsW_PqmmhPjtDwZr1gPsSUwuN8du1L.bnCMxV3RBwKHvpJhckrygDvJj6zddKKwnj.RQUjDLpELOylypWiIjIr.JTX6SKCBHXphoI4H8y8K1PXXNukIB9OAQwGh__EK9ovHZ8inIvohQA_uYZ4EMf4iB_hbAQevhIbdkyaaBOK9QKix7zHUj6BTqTjEKz_4JeQaBj6rOpf3Cg09tCfkKjOuBZ9H_S9uAALE15w.Ekf0uDtey3.I7rDI7MU9pyyYYvm1zGN0mkGog6k2OdM3JfR16X7hTMaQBr7K1OUMpuk",mdrd: "MNaHGPDnRw7jo_z1OEMIh8LizWsI39SkmNW5.2NEvMg-1739102056-1.2.1.1-wQLuQcjgi0tQGyZVl0iznDZW5SfXgGdu4Aa1sbeAOp9hKnNdbUruGO6ZDRTq.fl_wWgB4vM1snb6.Oe5zDkZFe3pkvztwBBlSvZKrumea8zfcZtyNKjjxUHSD1PdEuQ1jewfftztPj0MUdqHR1JgZQvb4bqXZ_e.h13ucFRE9fugMrrzAPxX_obgZ2j_vpP13pSct97OhSKuOpInsJUGHFqODWbmIwMNjB_XT5mf8zQItlLQD5El0R1B0vGg6UVwBwqyA1oKAqZB9BN1jAozOBLsVTPvaNgm.Nj2cdkgnS8mZJq7QK_DYlHppLMpJu4tus5MwRxDlbFeVI.65._zETH33o8I5z2hQ5QpYaJbtsmbjCnLiS8C3QUGGa5Zbv4T7Kq55fmoBzL3tGYPFIdkmJnzJJt4TDpEsEYlhTGO4JVqr5cRsIDvd6DMukWYyCjTm186Po8TYQbqOOKNb5FXRzmAPvjH7Hqze1vNH.6BOQ2Tr9imtpbUDSHrLzTGa5EJ_e6Cw3KidI.0syGkKTD6Ywou3b.aaFo5Vpac9__KQP8yzUv0UYx5FNBKTICg7rLlwGCgGxXlM1lpIDeLylk3MEuI6jX2QlUT1GvE4ZaetrN1bvA3EgCBCmOw0OgBJjpblyoOGLGO8V3VN22s49KIc6pQ6aT1rlYaIoMYIB6prlGJzqoKXQaUC5Rff.ivkN3AxFjpOw2wZovxQAmM2tMG4BWGAXr0GxTNSU.3ZP7vIAhpXLjy.rENZQU218R.fA9M2Un.bbUuApfmTMglcTJ2MNBlq4_kgsaa5GlRtlXnn2FrpCRWXeyVmEhOTGeVv5hJ6cGT0koo2VJ0z2Y3Cb7Jxp_28jqYDlfgGyHq7Etqj1Xgdp9kK7STrzdMspfeWQ7FEZ5VbtnqnXTINX6uwg2omnIs91tzo0WSIiIZa4pCOReEpZhKoRtoHhiFaL1dRX78PMbNKmNBkTDmL3BD5zMzJcc2d0kVpyGu4LpkBuBOT7Z0sz34Wak.AIkXmWhFB0D3mbGbIStWx4Pwv8LKIJz.GCsHtYv5aHl694Q_BsIiDWgIaKK0fJiK9faJN443MobwZY0DOixLczqFaIR8zusKVEKS91oQ7RFki.JSOj0F33SMtuMnhets2BtYliY3DsNtzi.RTAFL5uy9Pil5KSFozrnNWliAPsZn5CudELfic7nfURuX_all0oDAdfY6hLT9pbQAexe1C.o9ycCkBkJ07gYA7viUzQoWGRbiCi91ozQ1bKVaYtrNMTlAsA76_vDe00.GI2kowZdoj88zrk_w5swW4OE5ugNpM3bLHid8JfFLp7sUSweRqBG2scqrZlmhITS0Lg4n.AUgjL9hVVgIdwbvrIN3ZkU.DPpTF89pmf_.FIFYFEV3FXuWAzsUcCloDj3nTJRKMcySdRa_PMGRVjoK5h_k6YMwXBBqyzwZTTPfurUx33FWuIaJQLV1Oc4xnxauMU_RC.pPEDga46kZHv0F6oYl.u8eXATEQkPASgyKMu2w_Zfuf.0h6ovMOOA43492mY25Wa_rAxtehb11irpkHUk0NHRpzX3eqdhA8K55.jR43xCdh_XLSotlfDQpLwDjHIl8D6nk_OSl04lis_XqERDqsp8Gq5mtwuSpUB2PxgysYzjORO1QcJKwI6z9dzZ1Bb1rk9h82yZOaXOK7Wl9KzH3OsecerWmiMRq6CsjZ_CQuGtLioe6gwRuOeC6cJ3szJnQy9giv2fTFnh5yG7kA0BhWLh9nKZK1c6s2lhW8KQJEmMjR8IB0D_QNwMI1wIWaFFBuSvHrKAz16yihA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a9f03faa202e';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\/2105968734?__cf_chl_rt_tk=3l0vy1uOSimrNtkARxOf.b.8iIp9Hs9i3DuxpQy1g7c-1739102056-1.0.1.1-C3b6rMWe7TTS3MOJQxpDql_kX2iWJTR.OGe5gcfoH2k" + 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