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-248148851309.mit-edu.top/post/0239517846

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-248148851309.mit-edu.top",cType: 'managed',cRay: '90f713f63faa68ee',cH: 'hfdyy96kPxU79KLpP6xtPGUmS6w8zJ5jBwi5iOOAB1I-1739137857-1.2.1.1-wEXOhy0kNWfraHkQ5gEWnjjLGn.um7WI32ldFvAXoYwZMRidbGpxXi82HGN9fW.G',cUPMDTk: "\/post\/0239517846?__cf_chl_tk=NbSa6EprfuvJaaackpM_JRKw8Y0uq7mNeM_vO_iozt4-1739137857-1.0.1.1-9FmWK3lYgclPLUGXD9qKNuomDxy43J9snVHftub5CRE",cFPWv: 'g',cITimeS: '1739137857',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0239517846?__cf_chl_f_tk=NbSa6EprfuvJaaackpM_JRKw8Y0uq7mNeM_vO_iozt4-1739137857-1.0.1.1-9FmWK3lYgclPLUGXD9qKNuomDxy43J9snVHftub5CRE",md: "CUbG4DI.SSAOmnpUyx1_DP9tSj.Q_Mpu9uQdOUt2NwI-1739137857-1.2.1.1-tYFHQbeGU0ApMi_ebBFmggtTZOrTD4IZARYUO66B4Y_MYEDCpoacJ_ITDDpld_o4opHOfdf7qP_CRVA2Wy87LXiz49NPDwjOtr7g7GL7FdsVtgRqM4ap9IAtmoirurQkEw9hSR0Xy_mzm7FODk7DjkwfOaxWIbtfLkwhekeWc1d0gQE0tLcJgMKyRcquJa4O_9QEvQQ97y37fJut3gVPMv2Gyeq.aVZwMMPTqddxPvrz0gU1sVhqvpXa_jSanHvLatGDAUNjpHhNd_EwI.fmO9o0XwRBsMGaODJHlNDLcocuWquP3Hu7cXX5x70pDsc0_pCOwRp4hmmNVBYQJYSEEKuit2i54Rbpt64AA_lIUTNVTg2XZUWYR6kqruFsOXrFSYsKpiLj4GOfuJ7kr0C5AqtFGs99LmHJAh2kIBG_MR_YNf0CgBvNIS5RwVLK9WKd2KAeLGQa17vsCw7BBBI5DXKc7d_c_p_Bc7O8wCmZtc4fyX3jsIA_sGpoQHWIz0yiuPt_FkvXCzEFgk5yqDWcdwS6iteIakFVfReQPr19aiXnTSBTOD_0.7YD8y5gQIpIg0yqP9oETP_JTCbOZAskpX20Ax0ijmdseH2rTQOn.OVIW2_MfyXUWbqmtDIMchaxLolg7X2jZ8XCmUPoaVPV1Wouak0_h56.Jez1EaA5V3Ym1ltvj4DWZnbpNQ4SYs7oPuEpx5i7KWBhv7O2pCjRX9CPI05H56N5gsWl1LZykNVE11VdXGSBy0rZp3_b7qYczQB2rmiAKz4IghMYsHC_9VNm2FBFrgHAaCHJSXKkD7sYn1NMMs0R6lAmlDLmqb8NtIS00szTWCjobHYrTAVIclwHkfBuzwOT55yFvRM6fZUxn5L5BEUyft0osN8GgeTdJAFGLdxhm8wKxtCPuiiTs5pEB.2gKOkT8v1A3KGiUdjSlylwJ8Wk_KevTnSVN2eExm50RiAeDoDLmv1YVGEPgQBXI5at7J_UDdS59m25_c48ppx.qyJNhkGfqCVxJje_fVCJ5K7AXH0_WllQ2VonlZpSQJZuj.ROHgg6qzeSGSHpaw.wXy8ME_o0k5km7lzt_SQYqkx7Cs_0UdNQVt7lD8WBfRbmrQvvBCGPc0EbQ5xKBoK5sfct0tUXJlMiE3stQkLHBNnC25qucaR555sgbU3rT3C4E3YdXXxpzz0my2KDab1fS2i0pRqLmIkdbLPEiOdi6HeoMa7XS5vAT5NZ2Im4feYQK9Wg0uRokPWbWvjWoC3zhuPs8krEm7n7LUeYAN4bGiylDUavLI6VpmOTsqYHVHcTX50gOTn.YrB3YnH6puO6Yvh8I7l.ApZJXNLO7GkQIy8xhr..0zTY3t0cmhXjkAsDRi4ijrkdSTHno0aKWto7bxRcVQj86.6qh2MWBLnmU1ylkXH0vp8v7xdDHlpOU6d14SLvX.aCR.taB.59L6k7wB_by34FiSarPxglhTlbJTupTJAreJv_wBxudQr_P_gJlYn20ROY9RjQqiwcfOdjVjdmFgEMXkLsHUINVzX0RMK7bztVy_y.ObaUsNX57ma6.Qy22ZqiQ3RTzz22tSmVFA5hX1ybTNRMXjNwntCSABLsao40OpRDTj3MDH9G0x0rsvwLk1XOIzqIPT2H0L1eRbeciLRTWkQTY_LwcAP7is_SVwGyRR5ct5ugcJtMrIL.cNdsQ_nTeg8rrNPY.YSOAmOxj83xTQ3Q2LC70oqRc.tUYQEQb2aP._tgqcfqnwzdmdG_wqi4P8YpsrqvDZ_2LS9fnzmy.mpM3wdSss_BnbeO5SIeSunLyDA8oZ5lAewnH01L1uFx3ZkDJX_8.K0MMsyQopPHkHG2ADMNgqv9KMrrFE4k1ZFy7sAMZB5WlDWNxcmsw7bTJADLW1pajO6vAITsSyZVHJ.rehjVjNnsXAm8t_u25rvlDzAS2.n0hMJXY_lvJCZaHHoA5gxtgyrzux.4u067c_eR37ZLgbYSs3rkHlyWBj2zTuzgo6cDvvWkk4zEK09Gk8TDzYUMtgAhN8Qvm2Pm_ayUMPDDiVc275gZR7sRFmoV1IMU2Qq95.GZOjYO5TArw5JBRL8PY6ipmoNp6DnW5Du_xUP_9FBlKal3YiRGXbem8x3k3Nwx1euwlo4ZCarpXPTv02J5B_S6h0y4KFTJ4U8kIJ_gcaqF53VcsyLreNIyuEBzTsySA.SRw1x4pcR9bigGjki0KYA2sCsnLdAuFeo8O24g",mdrd: "MQ4vpAHePgrKZs0rPXKwebTv_uh4G2QmNUjSNojUf.Q-1739137857-1.2.1.1-I8EH29i1PKVPi1Z8vZUjPVeBUxZUKOFLIk5Ogfv3tv3zfghmGgleNAz3tsR679M1l.Z5xLbXw78REZqmF1SGhNUs3zLyOGuydq.ciIg0gy3XXILWi1EOg_OoDEiLgeZeNSCOgllALy_DY1GyqnnkUB6T8jDFw3nNmylWDHtgR9Ga78dZSUXgEENhxnZP5CHVFBHh90qkJfJJZmk0DFSbT4f5uWxy2RVqplOdX6id6Rb4CtlazEkEZdYoEuMlWrkOWGyGKmZBE822HO8onpAyrqyTy7f2PqNFX6Bs.rNu5CBKLp6bcG0o5pDKt_SotuWBzmzB7wK0dqau0ty6j5.rJnGsLawgO9KqauyO3rCo.zXGSouOqZo1ddgX3pXgNVPp6OGYYsyvJ02E5frGYwZ8wU3CDLkBMvfKWZXPl7HuVGB_zjGj5Dow1WUiyPNTNFZVlf6dkh1QRRU5J7MGruEMxTRu9jInbsBSOuxfLmeyts3AcZ8S2zOcLoiGxm9ncaULZNxQpbHsO3e_1rxpptAKVyde_7LMk60q.qKeIATFRzy.SUrhDQ00eQszcxjhIoS050UlEGWOzILdLXoKEMVDF8CZeYesyK4wTJJUxQs.4XKCWVaMc_JXTSHKT.goyhlyElQlaCPA.ISEcSgU6WDAeH9jlRPrNcjXvYcKcNv1ti9DKZ20nqWiEXI7KCfsOke84se8E2yPVEQs7_CX9ZtszPoVhJAUq3M1QB.c9wHH_M4.vlQObp1qyKHVXjynVFNfUGYXptUu.ld.bubNA3uigeKPmYD5h6qSd.qVAceKAXLDoPbJ0ZneNJQaGfB0r_kybhgbo93bLQpRPM_mSZSf9JTtg11pKXbC8TZkdXBt6NxSC5C2YHT5O2Sul3WfMXj27TpYUT1b2JKgLhx2AemcaKjvvAVlOocCFaOIo934HBNKrWw5yCSgtdYTif.71LSBQlmhrHCoFb3imXlgPEWvhvYcLz0GSmOk_piv83lt.CSj8jffPZfs8W9lY6cfyRaJgyd3gM00zyB9UBM6fNKbtrje.4lBiK7DgLyyGsGA1ya_vfX0snLirQG_ro0ZoP4.OLUelgAYDYzgibm2m36D6Ukb1a9hTs1t9Hc5hjfs0j4YvEmWpOuOVA86lz83xRBL_vibnDhevfULDXmV2Gd1WzSt3BJAaL_kv6pHiVIMbq2enucqKvS5TYXe_XJBEZjl1TKQPH.9FAl2dX5CEMNK9t1T8_.PW9KBxQcd8NwbpLcBcVITTfrnbs3OVHVZTdQug5yRb0hab90qxCtbJ2I2E4kDwgSHk9ZZZHInp0diIgZ55rviifSGAc3pg3hWRcv3lR25I3EZoi5A7MrnMnKA2Zb8n.UVYjPH6kqWtCv1jKqWKviafI2nkIGSGyRwp4iEA_TAqYfwHzafbNzEfZ6m0GJVZmTWku0FaNEJ1p4C2F0vtN3lRg9zED2UdQBIdjk4wL9O8kPmiYm5t8cKUpAaWD0fn9OMDj2LIOeTGEazdBbIoTdeyitF4.qn7n1D5xdCvYmiOcceqI1pogNiFDexDcMP8mugcj0wrsC7daKOk4bVHUZvg8wp599vZJBrzkJKk2jzKI.2_OzF.TgT2n3.IjQ7lx2PNwDK.F4EAXSMYceFwyQswAqnhAdRpF5ZBQjAcpcvHZh3_a574B054dwE4Bd7SHn2BU9Hu0ccvRPyXvEAA30rQf9aKGlKjso8dr9B_9klmlSahbtx7jqYGEdAHJUlJU1pW.eZ408zhUSinyAs5rmd6my3vu7A__z3GhxjGZ6Jpz1GNjCcsCJt5Vc7Zw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f713f63faa68ee';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\/0239517846?__cf_chl_rt_tk=NbSa6EprfuvJaaackpM_JRKw8Y0uq7mNeM_vO_iozt4-1739137857-1.0.1.1-9FmWK3lYgclPLUGXD9qKNuomDxy43J9snVHftub5CRE" + 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