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-961752725404.mit-edu.top/post/7045869231

  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-961752725404.mit-edu.top",cType: 'managed',cRay: '9107a1e68d50d698',cH: 'kjVh8rhpBkfFfq9XhU2F5Z5ZGX0nYHVhgU7fNJHzvQ8-1739311442-1.2.1.1-s2GnPOfluedn46UQp1oIdI9Bj6qHEhZldK2EwcBhhGmUxHJGUgoP998GfNa3bYRx',cUPMDTk: "\/post\/7045869231?__cf_chl_tk=ZuR_lgJ_JbiQasvV4uE2OJaLqNuzHDOe553RXauuTpQ-1739311442-1.0.1.1-fzWsAz2yvJLixxupATAuruNmcp7rwENY5Hj8a49347M",cFPWv: 'g',cITimeS: '1739311442',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7045869231?__cf_chl_f_tk=ZuR_lgJ_JbiQasvV4uE2OJaLqNuzHDOe553RXauuTpQ-1739311442-1.0.1.1-fzWsAz2yvJLixxupATAuruNmcp7rwENY5Hj8a49347M",md: "c2M3J227dApZ_uL.cffu.V6RKkj6EVY9jfZB3DxupTM-1739311442-1.2.1.1-oXducDexSPrWg5JEG9NckdTGClc39n_8UGP2A4R3ckqKLZuk.Mvkf5wAhGJscJ9mYvGBLlDobDZEuK1ZP.YCqXGE4zreZHlhdgQfEnrw.bm3SCWC_Ew7zQXWPVgImrDyPcGQG28jwfYGsYHaNWsIWAdjh.dHM4ky883pc.BzkhkrBnawcgfOBYc_yonJqr9NRuBvrE_iSTljx8_7IYiyMwRAnDxbGoPG9pM.1OpCQb9twzl7rnNeh1drmN1H1RmWPg145zz_AhJ8aBb4dr2fHzVhnoYWpe_LnMJei45Lkkn..tF_Jpl6mYkRZzFh0bBU2NxThs8mcNdp0J0oALjxuiDKkyRVR19h6oTg6YRdcULbcpz1hJGGnmpOn4_PVVVNc3u2n34nDIWn8XD99o9yYMvnRZ8_EeIx.Oj8T4bi9t8EuUw2ren_vXxJOFmnxD6iMpZV6.n1Ce2EZ7bRY835186Zapt.KemV_pdV0REwcbYjA6ZQ_IS80n1wCy7yiPaN5OirCNAmTVyixwRQZlZFg.LlH4_tn8oUH6kaNdqz2PVLgXo.HdDd8VqlS6V.TSEIoP0Lqv4lwQV.MnXb2TYi8vIGM2JygBrMOEkTHlcCozZMVWjKj9n.Y4jzi6OlrK8S3UUxPxK0leozgyNyF0hZmi_x4jXGN_02hu6qE.S5H8.vZ3F7mTS9d3_.qtE5ZLD2r4CPOx0ZSpWBdxt8O2Vjn5QiCI_LHBdjqGy8ojHPmMQPLarKxTTBITtdyDNgCE0wAXAQ2It2BvYf0tKRBDl6KmaavIn0hiLvf5YUGFEw12nSMQnicf38VyW2p07iHMHuFy5dLe7vUckA5Kbsl_R_aH7TCV7CvqQ77XHabUVSq20pHgzXx.hhjlEhHAHE3PjLpHWtjnItwLa7DuibUCz_I3_AfrC4U7VDkYejs0_pRaD2I5YnhYc2sCmvm1UUrEPArD09Ut_Ot2geBB8j2OGVo8kfsGjhCDxs20a4veMyYDTad6KJldRx7qSeUWN2Iim6tZ2IPcgiRU3rm_dzY3ShX0t.LzNlqrYTF8mnrwukG1GOnkBcbEHc9f1NbwtXMAPc_xMtVXyJVUBIYNIEHype219PgrZ9jp0AZ6lgcZU_UTBiKh0Zd4KIN.rvh4HsMoKnbXy4kkBL6kR37B3TVreTkKaKQcNM3DhocUkOXNpcAZhOSUmWgGzbmTxZKBAFOggE2w4dGI1ov1D2rkpebcwRd9Cl05a3KOLfDsEZTfCuoQ0l1c79O9XSPcqn5meiYuf63WnYCTBO8zmzhxN3TiezPvMxwrqgvvgVEVg.RYT_hnbqiuz_fO177jrihPKKLpPgjioYU_TADJFb4BbPwtimAve5sxGiTNgVO2Purmjd8Ub8zwva6q8b9d_K78SU4Cz_asvj0fiUagklj6jM9H4G2k0zYaulrokjCVQ5SuHOgAwa0cYq9Rmslg26GRqX.edzvSW5laGnhivJqvpM6dURHHPY0KkNnSjAji0gjM7UXl_66PFchTeCoU7lmx82t1xfyAg8AHBHEhAMj9.Xo6IjmtOlV_xMKYeMMMclnFAkDY.AjNZ5CaZRdO3fa.xRpaXHZI9eglVebuKL.pt4didcDJ0eMyC7f3qssLMndtESl7shvMmt.WqRk3z1C5kUqi.wU3Fi82hdwTSMJMr7Gm_g_3Dpr30vdf1E5Xn6Rak14oWcw3DMi8NUNcPjwAXURt8e1q4t6pwSwq82oIAlJ2V3Wqlm1nuddDdTuzwFIOjRPRBpyyIXuB7O.ICJPzQLGls6fjzKDXGhscoAlgNn234.qRers9l5CmcGNougeUc37k.wbayl4YmgV4DEjjnQ2709Tgy3L4n07_165c7eViD6RhSgdZmKkRcI8lmf7KS5rw5mYPDLyhAEMQ1r015PHWE4g0epohWHcgXLN_ksG4gaWqNTIClwNS0QW4dE36zDAKcDeTD1LynjBOyoXMh3Epql2Z3gnhXpL3TfmNEeSKOjCdAgPnNUJmKWUdxGuml0qogTU1R0GEqD_PRY7OvtRLDRspOgwNFA12VbN5G_Euct0kgHuX9qKkdgDKRBL_HdyHvrqXV5udu2RSWYsYN.8ixyzFqb0I.2SHIgA6W0V5_wDtSyltCUPKWfuz7ZsR.imL_iO_7Iymwo9mFnWExFGdZF2wHep3tEVHCnyFJ4K6gl45dp6IYgkfoQgzBuRRj23sqzRFUSJN4M78GbzUv2s9EK",mdrd: "ZPqtkM2D6tYGrZjfhRFtcRqxWqggCcDMOIxh6s_YQvQ-1739311442-1.2.1.1-GRnKBTLyRdi1r3J6ywuNlbu9dYt8BhX_BfyT3HtACRujRhyIF4a5.LP56osAajpWut3yKnBBT8clgT4J_JiI5MvK4gJtiR9RBYaCrhRyvUpciklPfRxuQP7q2j0PCe_AinQd.fQtZARlxSdkNLuP7bBAXca76y5DMpGiXBgpQ.CPq6W53n9VA8RnVGca0zk5pJds3PbXYUfSGsQqAS862MCThBJy89MXJNLsaTqkuafyK2I0Uh1xa08qq7LyZS8y1nyUt5lflKg6l.PgDiTdqF5J2k3LUuHowev9OMww6rKDHbjajMzL6JI8fr5S47VheEwbewGRMZmBosahAFq7.FJZ1iNGD43QpHbR_IkoJ0mf0satFvMYDXqsz4LzUvGcNfaSkgEhEkmkLNrBhLiyMQaTTRwEvwj40ZabolFKdga1mJxqi5JXv.CC5fmQXKkjM04beFxw138.efx0AV1yzbENqr_KuGUM2tAOJtcgivyxEH4d4dSjJoPAnCNS8W7qNm8hzvjFusfUsFDH.4tTbnV96Xu7y3idMMx4me6K7U6kp0q_13E52CGTxx0_X6ld3oy.sjkwHNq8i_Vsv_edo3UAzM4JQkaTHCLlykWC6H3YNi4i8s2ugtiMqUlj6q3GEvwGn1KBPoe32P.AMrA9CXbk_0jbm3YEWvePeAtZX1VKTDArBHzMxorBdK0ZuDfI0SOG23ksezq4EWSFtS0F1uiB9nGW35BKQCwEUJ.vWKIRKzKt9dc4R5PDA9SfLzmGhkrdSr4aXvVv8wi1GZAhI_4c2FgJpeRyxlFYDk752nbSUosSu8o2bWnEKXH4CHqdP1QIcDt1Qfk.di3JGhbvsc.bGxbAh.X8Oh.NKPba.WRyS1ayjJtmoMSK.vz3L0IcIRAvtDyFyi9XGtz7q560XGFSZXYR4r8HLM.RvRcuTfUnWUFMuh05H1HTfg2wJKHU_TD62fFZxl.AMW47SgtEh.Km2fYw.xx_nKu34fzMUJxefdUMP.48QUGFmoplT2S148IkXBQWpnbErF5HTGnXLpvyMfPIv0JrM4sp4oRM3hZYfFNAdUmjc_bhZpKjxfd05JKGWEvlSuPMWgqrzDwDnf2ht_ZXjmCaRlwFDF_S_rMd2NFD5dfCc_nyTXjSRFFZ2R1rfB_bOC4yraRwYvUwJApgMmGW8ndvJenp5SzrEneN2Tq.F22rX0ox1A1oqAkKd48Cq3fB0dWTY17FDybjJc_GRbwcSgKwVdq35TJBDD45UjPeJMF37kHjZ_PI3vlmivywfYuxa0EJIGTI6OmuTz0qHycK_6rT.7DQY8D2KCIid4KXNGGTB2sY_EvDWSIL0WVJo_nOsrMx.avY9gkgzqYNoaajFWlkEfkI1MDyMRIECPXVQbBTA_wZHLhTFGyoxMnzSpJ21lPTxsvta4eprE.WCWQEwMpYbtntjOSlxx4wx9xZ_PcOLab9GqfwxGHVHIYmFERdT2XVPfhcoNI.Tqvzn4_QwoEKM.GkYwwFBuD3HnPH0NAUz5_pa6dK2D35.b9z5NtPs9e49Y8uH.bKTO4bBX.o5k0Ot5rBaobPlSGs0IRA3QRG6YTwPKBreUIE0euAL4o3ldKjRYWv4q2jvIGBEDAFuQgewe9oT_IBc_VUsqzfSRt5to0kKD84lpeKPUj3F3oGKjA1ufaJI4blmPJoAQesDREtAvCeNzRYjPB38yTy9gh1bJD_6OMnynXkQB8XtaS6LlikFZKXCf8pxa3FWs._ZhhC4vzOMhVyqX6HYl4xpuhkRb4iQTJ53GoBBlE2vVddyrkeg0DjESnQnV2RGxDlqiQYwTshkIDsJXg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a1e68d50d698';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\/7045869231?__cf_chl_rt_tk=ZuR_lgJ_JbiQasvV4uE2OJaLqNuzHDOe553RXauuTpQ-1739311442-1.0.1.1-fzWsAz2yvJLixxupATAuruNmcp7rwENY5Hj8a49347M" + 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