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-430755581343.mit-edu.top/post/5072461389

  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-430755581343.mit-edu.top",cType: 'managed',cRay: '90f6770c2bbdc922',cH: 'awjsE00Bki9LlHKx0vkA6GU_JJRNRbD8WcHb7qMz1uY-1739131429-1.2.1.1-j.rcOXebzLUBe80IXlBH1lhY3kz.TvicSMAULuqoz5k_XmV0TTmf9zBOEwUobogZ',cUPMDTk: "\/post\/5072461389?__cf_chl_tk=zA5O_QRb6MdvxDO0Hm9HUmv.9k.Z1lt.QDKuFL88gB8-1739131429-1.0.1.1-DfqtrCPijdv09nrKFLdczMUusY04fuyrIT5nfhsWu.Q",cFPWv: 'g',cITimeS: '1739131429',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5072461389?__cf_chl_f_tk=zA5O_QRb6MdvxDO0Hm9HUmv.9k.Z1lt.QDKuFL88gB8-1739131429-1.0.1.1-DfqtrCPijdv09nrKFLdczMUusY04fuyrIT5nfhsWu.Q",md: "sN681tW9ZCdtkEhQ0ogu7.HkeyJBDC7_Cw1Z8ShJ0P4-1739131429-1.2.1.1-.CZF_zmYxUfda5vgFFQdTxwdDLSFSwg3_0ODfd4xL8sSDtWAIDGfRmN9_Rr3u7mt0KLzQOj.b9f5HgCxgPBIeMQbgwRzarPoL6CzzFkj2M0hGOMtVb20O8UOSZh2alfMy5oQfE7lSuU7ucuFC8i.fPIW0LIR.KM7LYdCC1mAQXIC01JUur3xSOXQrjN75lJNSQSoZC9reN0mRxPbYBSBGwlDppNUxWanHhA.fvIVO0qajEgVTqjCs._lrsu8t7HMlU9HhuKLUauNn8agGf5vPDoYyl8UHI0LvL3eEN_fojcFWl7vNBk1t8Ynr6iP7fcQonJsMeOqHRZTR.0L592spFJLKD5y3frwBuuh1pKWA1ONA9iQU3ybJ0NvMbrAsF6FCANb4rJkQ1lOI8yjs7YKV9hKMMkV1VYgcJzIakSYbC3c2QsGox.h2Z2Qijf2nx9y9AwXFIzPEIUOl_rwYoa9XgKJOj1aKlz58jczG7rxHatj12B2jysf4gKfc.NytoUeFLziplN82PKykoVDQ2Ors2eui4i6AwgINpfIN5.DGh._NiG9u6ZHoaYsk3fOyg15.R3AwZYEmn.akiz2xXqeVutKyoTXyPPu8iHfkG0rpDqYEN_TrKg5J3WYMf0.QcbPV2mHuQEwjgKL5o3V9Fjo24h5a75I9WV2FJAcKifcVurM6K0F_It_G_Ol76TcarfpxCh99o4zfa4XRbblrdPM7wVrrtAdNdo9SX5FRe3Ljy77qM1z9sJw_fRDexryM0ZWPKXuLpQKYa6XJ5J8dOg8DA2vXi0r.YZ8GsrOpLaHgfYGWDXjg2SQigBpyYrDu3DCaSqIVWT.r.s_4Yp6jpipVTRX4DpzBLBQg5JS.r3BNVeEtAO_JnDrqn0cqIlt9l8cDFk4qK7Oy60y9SnC_n.pHW8Qzxq9Tzi2B8Y972leS_3_ldNTMa9UkHkxyzRXEzb_7jvuCZL4.piALRI88KplmV4BJZ2HzD.22Wj4bxvBIVKuNjIgHAFVtzOx6j_0WxercHDM9H1yseGTj6QaC8bX2_mLy06TIKQ2zz8_ZNO0bVwuZwWU61QyAK3hoSHGAOWsq8yRDkYzKSNmQ3iHfBJ82WUUnc3q1tdbqf.TUiVkVa6hL8_lWS81D9aAdIPDnpkh0li0G7Hv9Azxwh62gl0_u.kV3ToHW5Wwb..Z_gSyvJPeXZkleQjIHG5b27MBZL6EW9Ig4KvZ0lk6DLcKWFXXc7gvObzb_ODnly9epTZB5CP6OPJDMU9oIwbPPaj_mWxRmz8odrJiKMLPgX2qhPbjXvg7MFN5UEeys6oXf7gBUxonJ6LLelGnjpt3P7NIR0zmSny9l.cJalG0Ui.WhSvoPJjwblwRBaxs8QgUAL3WSH16b6qAkzg7pwBLGs0Oxw4q4Op0zByLvSd6mJ4ljOoDI5Fl5ajk0m3Gh_HI2HyqHA.toA6Wt_O09NbobakKIkDOLDNOpFLCxirXKjnhM0Q9BJNZ2Lio5Yyn4u60C5N3jJv.Wjk.1_URThXbuv59S84I2nGyOpVogRDoRDGYoZzee1vOGo1g9DNIufzcgpF_wIEuzOgF2pGEIuMHD6SLFnG.vzdml9uVK7Go9BTVZE0oFPp2W_CIoHm.BGjrSi7zr38kJq_A.zspfVyhJV4VXRUfO85SolfRhYAsjDYKJHCPCG0do0n_us37W8GmGrnKRayj2UFA9677QEQQdLnSD8OkxT53sCR.aW443DDzn_OgNM3ZeIlhUcjWCGiR.sGhcT6FxXjvqk7lsCfb9.RmIK6cq.AKp3elzFv7SYKKuAt1_bfneV4Y4iRC8qGqY8EESMc1EoXA02Lfd1Jli9ugWXJE0r6P.tbTNpBHZUPrSxYbQmLa3jEebKol5JEwzmkez6jUyUzIlvarGcIfL3GTrJWPHATrYTRMFmNwwkLNzPC9dPWVaIIaM9dOGbnjZnitIWSsOhGOWUSHZ7pOLzV8UwKNey97ZBRUzaOooUBT.XRF7RN.snDQwFPkcKzBeaPoXt7JFqqSzZmW6kT1LkxR867SLtF7qG7ZyoEsuwkoS_.0kQePyhghkCoZMvTcY_MF_svJIXCy_.9Rpa8tdrpniEj3q08eqm7M_ZTsJjxc_5ayUgrVDzwh3EOF9pNUyHmH.buidoaviTJ_pYBb2_K_Tory1VEKiwvNq8K6e.kPa1M7p13Wku4xX298AV3AE5gotEidCyiWg8TZ3tESMXnLRdeE",mdrd: "RLrXidM.FJej_NnId1wGtSj318xVEcQ8qhjLhbXqM3s-1739131429-1.2.1.1-M.1ak_xuzurOik3swsLHt7fb85mDk.NyDVAWwxhGKCcN9gXWe7SZ_BvVULiJwXTksUVOy2w27TDZmXzY_Fw..WTwP7K3iAvnBS1b7A1fxwluZkyziMrGAwMOIqX3E07J_RcxFkiXBzFH_4zH2F_yHBn8_Ms01.axMTUyzFz5exMDR61jmktC3G8Bs6ESJu7Tr6eTj7kI7hBAjEMoa7ZSxSMlK7RJSJyt_IhybiGyioRy7EBkF0muPtdkORiDJnUhyJ3TOhrU01Xs2ZI5bEN3XeWtuZpXnRoOOQSh60ZFtLIWvksx594sV3WfWx0Ee91o1ok6ijntcftAWsq.t4Y0HZ.wXtQ7JwqxyJbi3_XoKz.FslezFjJ7UVH04RrewuZLDBNZFD44arbeOSdhWZNIeus1MBlrMpWfZokrDqs_wvJ9302rnP9ily4Epv1vMkDfZhFTpTCsjzv2QdEw14AXL_GYwbhRfOfD3ZkUeMtvC1B4MheCLPHxEhtr_j5EkA5zJRdBEySx_I81G6XJCi08FFWYnzosauB_xvlVDkkms.d2FhW8dnEY0KCsPW3JTKAzLPfKO92dYpOgfs8KaFVvewuEDb9HDS9S9IyesxlHEHBx2.5HddpAuGMu2iEjUZezOUwDlcGQGg_VNbotgcG7ym.W5nL5xy7eqHRs8Nv.D0GLZLa3H09mdcFdPl.NZ8Q1LAx5VAimh1r6RlXF_NFyI0ZjztkjMdY9v0Pp.uaSi8i3NP66crCHxYhdNNqu_xdT57aFdMk6xMycoDGMw2tvNuQA5J7uGk7yITq.YA6E1F7brqwg9V4qB7PwUQgz_Z6Fphf2dbGrJyTqZ0Lm0Y5CsI0.aq2XI52fy4Zm8J8yFbS7054E4oVOAsXsbAMgpcgNTvjlFwynI29lY9uY74qC5WSlCVuudB8m6WyfWDmAYJD0ti.cW1aJ0BsR1BuQiynAgpv2_3nS_PnE13Qb_krwTTwZVIDMfyvh6dZitJ9knzD7HWrxTVHiTrh8TABUQoGAJYByO5QOP72FYN1.mU0pdp0v58VQw3YaxgkR4o02XKEzSnEYCuydZhqmlYWNl6jVNlPjZJ6cyFGVivjNer9vxzmYSfEhvskPbVMFJt20FKeL3l5gWQ_W_0hTEgNfGYo21XmHaScFh.NrqsLPwp9qiLvMP8.Ab.oslnP.iJ14DyyJfg7OEm6tZDno4fpau64EbQ9qYQRQ9qFGo4darnq5DwbZw.FxCDSvcDTqpOKfSGrtqR6T6FZOjUaoDtGaUOqNvEy182Y2vF9Dfb0ccWi7mAse96PzqIvMfZjyydUVmdGjXn5Xhf3gGO6O75_bUyyJhN_DPt7iRd5gbzjVf1R0rN7GZpE1LKBTmI5qyzY4fCOgRWD5JdAdZYPa2YSzRIusmKUMvjUmrZTSuWxcng4Lj1QDN3hu62GeqNTqZ1l2Y9E5g7ZjkLPXyvicfWYjKoExvRF7iqReFAd59odfrvhYOQavMaVuQnH0RQmjxniLOCjxSTh2_erNZcy_rTtLSMCJwDLYS6nVhxI7aztXxcBGKNV2yTwfPjawf9yKTPpqSZu4yZZrWDqyh3Kh37cCaDM_9LhdUADi6xShsggPzWUZWHyoeRpNGU3_yTgMW8BMKmnSFq9DtdkQBPNFx73Ia7.bZu8GrtazV8qBqysfupDdh9geOD4zKUE6JhP85WQ0BLL6SKYjS0W3FttUg26WdkXROIvexvPgnpFni_C6H0FOftuYA0a96ZAPkXdkAKHjnDUhaWTDeZW6kV0p4RHWcCWtcByzba4KhQgTGHlMJAOhuA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6770c2bbdc922';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\/5072461389?__cf_chl_rt_tk=zA5O_QRb6MdvxDO0Hm9HUmv.9k.Z1lt.QDKuFL88gB8-1739131429-1.0.1.1-DfqtrCPijdv09nrKFLdczMUusY04fuyrIT5nfhsWu.Q" + 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