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-affkgnt1w.mit-edu.top/post/0372698154

  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-affkgnt1w.mit-edu.top",cType: 'managed',cRay: '90f4c0763f6bd6d0',cH: 'G6iwzS4OeSZiegdbsi5OjDjY8amhwN4SqrB69EolMh8-1739113465-1.2.1.1-xS_wwdeEYz8sh3WaT0mniVI2x_pijHDOmX0LfWF_QP0s2ynh6zkDuF6InQdnrL8f',cUPMDTk: "\/post\/0372698154?__cf_chl_tk=za8BUwB0qHU5nPkthjw_eMEAVxibihKv7KxIkYNNz1o-1739113465-1.0.1.1-a5E3TI6rKiAavgRkppTxclXz1av0FOOEueefnKgG7CM",cFPWv: 'g',cITimeS: '1739113465',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0372698154?__cf_chl_f_tk=za8BUwB0qHU5nPkthjw_eMEAVxibihKv7KxIkYNNz1o-1739113465-1.0.1.1-a5E3TI6rKiAavgRkppTxclXz1av0FOOEueefnKgG7CM",md: "0U95Okp.7RXS4dUbjoMtXNiLKAz_FmV.aSev.lLP1ts-1739113465-1.2.1.1-a0KzZQAU8Na9xIfRh4WWLVH7t3kBvXlJBhwK7sFr6xXjoLD.HhuOjKKtkEuikHS7U4MvKEXjPqqMhOCtieZlUApM8FNsgwnWbjaK6OyQALAIAWo2qMev1x4Yl4H5PaHsbsIal1hAVsNYxsSZiK0rTRzjQ8J53TdiByr.5W7Mr9bPyXMzVGOW3Fd9IBZsp5ksajxEugc65zV.M2TTIjPtnDGfOjdV98oz6UNyBxODFRzeCnP1mI8axTVEWxuzcQZ8qzYzvkS0bbPOOoSOcAcHpf3EchBybc4y5KeGAl3z25KxK3mp.4sf90MchM3Zi635c8j1QLmN5pR9cfSZKFUgoJFxnZ0Bhi0AjSfI2Tu1mpn643AL2rDy5yAOMlieaxjr1iuHsz5Kh432hsK6pM0gbUrGrwnFCqpJTK0zTw.VMqI30w.brKHqlcsVesqiZjaO6NsbG6YrWpGc0hHbyNHvPa3EsA_wEDLXTMHBrdnrm6ZRZWn8bXqkX73DReGmf9br8u_87X.w42V7rPXibMG0XcQYtmuJLQ58cDfImyEpsL.l1gXkQnbs52CR1WVXL8T0SxAiqnwe7Pwu5EupaVqmtYNkziODypZVaHvwhX1CcmOvZaiRIruGQYmmwShoYx.b.rNQvimPZHJxG0JRJkF0T0iNM8PhTLxoRlEgNGZqP2dHO4w62NJXleSxf1vJlQiGgSX9PZKYabd3lUdym2UZsy653ZYvkvBszSsHaaeXcvXJXHw6n2L.Ku5xKFYgKV30BNUwxOP83QrnZsa3M2flSZdoYFfn2JsmFTnfrcen5gD3Af_5H6iCDT0o4VNA4.ZNsoLPCCDKLMYpuuRvJaKiqpqZvUqo7BzdObRtTjfVc34Yj_gxWB5y77ApUcN5X6O_2YO844Mcr3W68Gz_t58uYdmSGkp69SS6p1dIiBAPN0MBWjbqF063n9V3p6F4oJ9JxyayFMk4v5BE3fNaEdqq7fGBcwfvidUEGwY5AYfgcSGR4nvxTepEM8s1JyiGTLtZTzB2GBRpRT9iFtesOcRN_7iLpdOFwQrXBTnXAC5mTrmi6pk8rzqeMqwntcdWW5dLMT.H0XYq.M7JxATF1SClwOOFtygsCNzO71N9u7tpT3svRFnfeLE_ELFT24Qq6Y80lwsWGTHq_0fRAfj7VpxQCQGGxkQmcbLyQMZ.Bld_ecW5eNKsQaqjBRjlkMnPYiAZgvRW8z67pea0TYW3741bAkKivlh2N9aa1PiXyTXn8qUuXlFHHRKSkvBlCFUuF8tcQB0ERexbQsyMpoM9E.DsGSVhSI.DASDZMep4g4JQrsMOkdpwBFC2JsGnyvB6FKF3nEnjACIEeLNgrws3orRbmGzojjQ9jup.Q8B4g4F.5aEseCQGHSNYpkOHNWUaIUwYxsuoZW4mh1G08n3l7vjJ7TpoSu.N5LeJIqYpi2I8E6ES7sz8dBwCXemOFWR9iTfn6Wz3pv1dgl5ovVEL3dwUPyB5gha1gFrGWwtmjFfskYeuFDL04s9WN9PFFu.7gRtjD2Uu9pyJ4w_GHjUwSb2chEMUzwb1SX6DZ9JvLhzqZv7T5fC.xJfR9yOw8FHCBe6y7CQWv2nCiX78o2EbkV3YUdjNkfhdFOcgLuUlfQvWxe57Vxi3As10V7ZPCPWt5cwOI6DkgRojSDMcCHtrd5ywogFQiUIJhAVLLy0zW5BgXqwRmB8ZUYxTknxCAbi9WJeY6PYcqkMdEUOYWAjSMrP9X2GbnhyFvWbTY2033ilj9k8T6zj60Qu9H_QrCnD66S9SxEMB9pCKBdyCDzOiYYkrEo7E1gkC4HhIu1_bQ8B3KOAot5exS49a6f.Rue6ZH0ErTCVT9xl_fdu6ofxVsjsnQqWJVoPmM40z6HNphMR00YXnfUGU9myOz4WcWu.WjdgXPAX8zUyxhB4OVMK12N48ufTwdKYSHfJsYjVUuz5hibaMh0.1ec_YiWj1sTaSCMqcxxPBwAbJG3t.MmCN_Vog49mBpaLUp9h3moJfcvfg9a0xjjb1SijT7.1VYu.mV5B1ehZh50Ju06PB8TWcbOXR3TZyv3SQA1u59wTsLKAkzbaKz_bTZU2xRrOgA6I1JwXeLz6Likrh6mh0DmYwtp4h4rEaEUDtCDGnQn0Kp6lRlpp73UHH3weqMLn11MDNJGmxqNNgf1HpLMVPOt7HkVjzLBsLqAEUuaqA8If5Lai8NYeG0XAT2LkMTAJKWjQrTA7z",mdrd: "CQX2BTyfKHuEdMvW8feVn09PHKcuS5480M4Cr6kjWnY-1739113465-1.2.1.1-FxyuPp3ywx0MXrN7unRvyExuSh2XbTt_rddcqomLJv4fhlWVw9XLD.LFzBqxY_py1xf28Caf2Y.BCndsXTQmfOs1OnL28ReEvVmf.mjnFQMmQgSfd7F3S3akvrqyDSm.b07ZN44E0CKMIlkRflspsrTEIjJ3LyBVBw24cRhwYRfmE3bln7nOzegg2AMZpQWnEjxeed92L5.kW8IEPZE.MpBFL7SZbVPassNmgh1ZMHB_tOPSzi7E1Buoq3GAnmM9My6IzAlOc_1dy_bM.CiDMw9jkFMqu0bpLe3fqyH8gFGWoA.CjghQOwVh.uSsq4hqn7d4cqQw8i18uyg_zYjIPDhxO1_UJ.ttU9yB0DxWO0LoPGQJuyXLTWSg69ugTelZlY.51WgpTu1h7oJkURzr6WauB65cul90gsg9kTGSnhwhI3QxzdQb9Hjc1da5qSDchz40tdFH6KesDcIN6j7ZcbklGir00iIovJjvr.O04uk0LwLZ.0WnY.coPjigOCzsl30oC5gtZeK6DR8KR1uqFT3vrGYCzjRYPoqM5tlu5BJR0fUbZ3EolksVSoQNmAeJzwlqK6ihNSD_KkzcSoG2nSYCk_qC6cOvkvBIeGVxKE3jx0yF9kmwLVkmlWLq2y5n3XFs5wehTbe7xNEe2CjC4RaO9wRjLfnc4joY1Wk86VUzQ6.Upks1b26SBmYOE8Mp71AAOWC.wrMWWZMoiAnFok979JKvxAiG52Vyk6jGZlKlNH9Z_J3eDjF.nSqxNs2ZjovFUIsT7N6i8EnOiSh2Q36tLOAaZ3uIPVtbOH7WOfgDn_4f13S21TrVZuSnkg86W4RA.UzPvrYdswOeUzJa1OJnjx42Sf1h_byUeR_CkEtjs2aojYt_wTAiqOC5zBcindsJZC_JfM54jfOeOO4yJKUaCc3OJQdTHrdmhj0yj0Kr.lN9kfTV6op2oAFghCvNNg0hlkJEXVcORsKwd_PrHTKE.KwpS_rCcD6fSppgqD4O90xPQzRESnmvn7bOuw2t9ITfK6wfFLB576.JVyXIUHMc2L6p.u0LwRcXpGjA0445VqPzCKnnxqaI4tyJHx1ZI9CzQj091MjBukKJ40fKfuW3fOYFNbe.x0egc6XzcV7b8wuLq5KxQumQwY.On34mk5uUct_6xI3.LPJ_tzIFwycwsq9OIzGQaO9JB7_q.XYx8BPDsFHPU6pkgKvYGgj7mqPLBAtvfvP_CaUWaiHK2AImNxCsrZ6LQVvAtKemehwFmbN647lx68WlefQsAn4ArSj5oUKG61x903vLnil11iuI3pgRQV9ok2ZklUXCTg7cy3EEXlNdpZYvRbO3jLGIU_1k56s7prSNfs0vXyU8VJEi9wdfZo6Yfegj0IG6dnSDMc7JMzadI0j2o_w0lN3rQo4t8JL9vgYIdOy4EfkT8_qgKOrlhHeGLU4xWFT2NyvoRhnL.YQyDB6HkTNcje7HBPdAmGaOZS_YoOIMTkkkFpuLchbipdl1Pvc8.4FAh2WxThDSp3wRoXSBX6I1FWnZuW8uPCh3NtBqnUIJQ7UQikKJzHhoTXDwieb5gpX6YDhh_I5o8dU8wObk0C9T8kG6Zd_xrWeY01z33A4NECvpjwK.jPPXd42QrKVN8MPvCwLPDQxQJjHntZSE6UKV1JrYhb7Pd2A_gKdSaElW3gvfg.cpeEjFSE3V.zxLKAOHN4M3lcQmybuyOXWvrBXj8T3Lf7wmPmEhpVvwFXoLUJIGByp8OOJkOYvG8iUpaUtPMJ_ULExcrQYx9TWsbxxX8R8A6ZSB8SwSSJN10AoOhr1p8A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c0763f6bd6d0';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\/0372698154?__cf_chl_rt_tk=za8BUwB0qHU5nPkthjw_eMEAVxibihKv7KxIkYNNz1o-1739113465-1.0.1.1-a5E3TI6rKiAavgRkppTxclXz1av0FOOEueefnKgG7CM" + 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