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-768488959139.mit-edu.top/post/1497280356

  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-768488959139.mit-edu.top",cType: 'managed',cRay: '91103ee74aeec942',cH: 'TtrLHbvFQthit4c7JxzuGMhsmTcDWIKpOSoTHiBsBFE-1739401759-1.2.1.1-yX0j9W4_weEqqY0lNRmZguzJTHi4H_kkt1N48tsJ5qwwtl42ZoiuOzvQoXti42WQ',cUPMDTk: "\/post\/1497280356?__cf_chl_tk=wrj1XLt8CJxWAy6ozvHZ6HvjEgZ.eQbWRdxN3aPJ8S8-1739401759-1.0.1.1-MUtVJhVRGBJgrB4D5ZV7Cmmc0E4nG6fmbicsz94HetM",cFPWv: 'b',cITimeS: '1739401759',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1497280356?__cf_chl_f_tk=wrj1XLt8CJxWAy6ozvHZ6HvjEgZ.eQbWRdxN3aPJ8S8-1739401759-1.0.1.1-MUtVJhVRGBJgrB4D5ZV7Cmmc0E4nG6fmbicsz94HetM",md: "FSDUQnQJ49ba77WVvq27mg3g8ju8pC2Sz6z2un0Az54-1739401759-1.2.1.1-enezh_57BoFvwDlcydRHojzhverJAJCfBkg0bjCQrMTnxavpByTCwOHU_FxdmAIqm2YtrMydYziJRV_LS5qrGTbn9uDgBVs3KHFVlLV2Y3_LL2JMQhlc_Z2sFCNbP3oYg1hNDFzvlOeh3tfX6eGIZJ5DjR3wZPmozn4CGyMthE.pchG3yeyykfsRj7vNnsHSNY12TQsGTgncFwXjgWy3PWsKLP.NaT4RFwvmWMSO6iNutm7p7Ci078QY6WacxjQl1DT7HoXqpu7y7NL4lG.R64z0I95sHtyTMuzTYv0Hn3VzupOOWZEMwb8XKsqn77OFa9I_GqnVzXnnc75lge7GhHg5FdbI70Ds1iJ.sRMsr5kswLaE3D5lUoNZLlgAlkBZfLLspfAUmakAJ7ucLf.6t0f_awEpQ1j9fl78Rb2kUCg1Vg0eUxBuiLWwt9pbf7fvTqyTpI_BgCPTwQoRpn71r8xKd0oIuFQgtabwknju8e21k.TLXZi.Vsw6QrOB_IoHmspPnWjJONdNruu_ALmsob7H.znFilsM9G_ZpJjNTYY_GZ33qVBT01xvW.Z0kYTzi_W3N1D8FnFdA7Ncak4NvbhID0I_hO6LCAl_4U2VlNLthcG9k9LdrMPqPh_HYD5VtLCRa6c3FX_b52m4pyTdm_x5j1SOW.PWc7ozDUWAumz1S3k63J26uS66E2fSEPFyBK03_H4tCQ.Duwfi7Ng6kPIOVXhedt75oIfRBZ0bUxYb0O98M.0aIfOUFxU_dqIKSl8VLr55fj4_e62pntNyHdVaxUikQoHkaJ.4skNcpDwYCksYKZBNnavqXZLgrA9DK292SJe7iUyYuRk11LkuJrsnZ__4YeLWqahpeDs2Q6BcNlPKXOQ1ZL9PlVQReZk5Zu4BuSedGJb4v3sBvOI4uGvn7_UI220UbaIKG4LsNAsA3TkWrLsSRQB3mJdaEPbuzthftZIh3ifA4Ut8xt_kLzAB4Hm4BpqraRdIfyLN8dA7sKDhM40NPrQ.HllUwKPKmy7a3gj8r7FdGhKZGog6Rgn5aKQpD4.X3gzo_rbd6VOC8P9TVKyidaR2iDWvyA6b.yzLTq_JVYg2W7.dS22N97P8miHGgrTI9LphK5I2oIanigW0wWJZz87Jh8nze5uq6n2h86OkTfVYMKLcqsK71k68lYRi9Qc0JoM.vKDW_SpgxPdCSMYA99oZlTYpxT1tmZHjVv0aSEqYO6ic63CmsihVliusznvDmBg3tOcgSQ6vbsJiR45ZsDRIoBxenysZKxlK9qHovRARl1QaSYU3oN7CTUQdugb3NKsacoTbqwVd47eannxVbltEW32dCnZMUOY.ytsXG3ngVAckqCX9tG1lvJinoXsOt1RKxEW5aMsDW22E1o4WSMmhTgtXADvhER4cfV0FKMw9Oj13QP3wnVGY6.rPF8wx5VEsueF2T1H7Jo95R70xsKc6aHWTR9HauWCa875qtzN1sahNfw_IouTbcPr9xK.ugW0cPrJt64Y1g8DSN_AlKOeXY1xDPRSovBSzP84AsB0vOOtWZJg92pE5X161nfatpyA1EXJ0LI7Kty_VlVuWYvy1U1.rpfElstCwqOw6WdbPEULEbFU3HRFOAtQAF29ecziJTwD2Ai1KsGoMJ0BDXyUo1ZiWh1hjdRFzAEqSsLb1YgX6lrpvL4M80D1VYWEulVCDAmstHdmPCj.0CpaRyqAMNfjJ2zA2T2vcIiWBU1c0RctU27hOYP13lrUQtLKobmimhHkOMuzsDH2ROrTK0PApNwIeRdG.CXgpGOXFROM48W9tmGgAFJmE7HCoBRN4isCD0QbJWGQ8duM0TzYvthgDfNqxz3.I1duGU3ldiuHpc.8caXElQDpcv9kai5zPDdw__k3S2VUTTbSwR5cuyPAgrESkUrmfqUIt1eAQK7RYTCr7dIhpwkBxz_FRWrS5W7gzh0Blzv4qKagEBrOtZnWSQHnkM.1YbOBkIwzRvhoBUesMEyvnj7U9nKENgGPx3McgnXoQtdpb5hylUh4EQGpNjOWgu_oL4uKTXlYfVcYHl26xFIS7_4dDpI53MLuBRPvKol5hxCZZ9vOoObQxUakhVT6m4qoI2ocyiAWb5YI74P18W3kmXu9oBueDvDWlQatpoSST6xJnCMLAIjd7IL9iO_MvpBB5ozax.8VaidmCDLh.9bw7nTPut82P1erpoe.mF4DX2c.h8eU4dAw0__IOFDhLO7qs",mdrd: "119Dr_y6UD7QmcTmN7zxaaAsBeeQW3VK4o3QREPrf_A-1739401759-1.2.1.1-Z1gRD8RySqIeEoQh4CyJOlVH3w2qon7wtJjXQdb3cHr30IGHuwptKckf..RxITfGwdccsLsy0j6RjFKrJqyun.0dDorqE4sARjRSMrYSyPDVQKzeKZq623AVTqYI8iWlm2sRvOQapNwtWEcQ3TW6pJrRDqVIP9pEMt0odvzhSO47hXg2.5VII2V4nB0mcuW7fXFjFqc.QSFZFTfhlT0_MuCuNquWhHY7NPPIKovTUtPgEXX5TUdOaZ76oPVql17zvxTk0UimttSLvqFu1s3Z2Kgd8WEY0RutcKbbYeAN4nIgfpUteXEK1cSNNoT0FNKB_hmWa9X47bgAhI0mSFdkI7Z.JJBmcP3ZbIxj92sk6_0Is27S11LWx6QnZmapVLjh4oHSD5p3lumHyAMom3iea5Cb_oLXRfaMwr_emCPoqs97DUAtkVqDtb3U1.lPh2q1XbPKW_rOhYP_VDlUosu2VA1chhNt9YGPtNfk35Jv1RywZS79rr890ap5yA4UTFoaG3yCM6pm_hSyWVtWuBB_j6Dd8aT4l7dw8OfWDdBH_JZsEKpb6k.r_nF4vExs9KI78FNxAPthYPQfSBLbgW0wRkbx4Ip2bvHBMrY_g1kyB7H5oZ7DpqBlKJzSpVFM7vhx8fwqxWerfQv.l_XdNYvHjtIqsxwxkWPYT51_VAZaI1MT4OFrAm4teSS8yCXJbpWbU0GFUQQGG_w8n_SJIK_FGHG6pgmqvV2jpKOq_TVPbt2qq3OzuMXWnNkg9HZvKGzPNfXPoWKQow7nPMogj0RzAOCZYDquzULuFa.jaxYR2yCHxdCt_t63n6MPZqQ6gWb95Sz8xhw9iV0JOyOth2AUAGyAV92PLv0RtrgSbO6W9gtgUcwdIBHD71U5wETVa1H4X2XpZc.1d0rJ8wD_10y4nmOUSr3N9wa.SgsLNtJeHRtQoYGPMefWPOhKdBoX01b0XbPxoByXC.5A6g.o84hylwVARnIRJzoXDKlH8cwKfFC47_pw58fBs9MdlVDX6VDTZ9eou1KoKCilfn5lfjgZgFWxktESOc8ZnUJZ9_8OzdL4B1hwyplyNLlqIptKyHzcpFdpKG2yGBCJAb5KUXd0h5f9.tVE4fR3_It8Z1DSdMv2hx9b1bk4DjgXha1Y51tN3tgPBZDE6uriWNPLvYAvJsMYPREFQZzO7VnIjip3EjXnx78n2ZHPVjiTm9hdLMVkWCAhqj75ToV1VabOr61Ai2JbGbXzKoaZl8sHATlY7E2OkClwg5OVUOgGcoHmZSMrB30ESCWuPyVOI..nv9r8ZKrdZNNECpMkfgJ.4WqLAN65Pi.vSeOe07FwaqOyJCX_d3.SyufusKyRcFFDWeSfNIed.r1aQ_NGojHMOY7pDofFWTQEX73ZH_B9ZxaGS1mEeUIngWW_NGJjIE9Q6eWzU0dRgREUzv_BPNEhXOrvg_CQvfXik2UROhJywBeQO53V0IWaXw1jJ1wuK2OUNo8hQnSDXUVq6VlNO7zwROREslRLoad5lNhFDZMYxpBBrD2PaksiUxWZSl3kjH1e23Ku91kf37bmU10ireJ_mvUU7_aMRcnNoMdb3.5dNCXZYAeSTQu70hYEA6_KhyN_UMTSMzw0_l7rsE4b1TWcaKgpWMaK8gUpT_0kiJCKGil9FHwPGJG9PCymaU3oLEydCxrzGVNgz24AVbupda5wlkFdY3hVP.RuGOkAjPzvbymf6nNMc21.rvUeuGI.bWuXAz0AhO0ooHE4Kwnetgt_cJTLPR878hQxbup2ikwOvW47I5E.MgikOgbjF7J3gpzfxQQzMcdvfTKeOxM9blVMkgeGUWQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103ee74aeec942';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\/1497280356?__cf_chl_rt_tk=wrj1XLt8CJxWAy6ozvHZ6HvjEgZ.eQbWRdxN3aPJ8S8-1739401759-1.0.1.1-MUtVJhVRGBJgrB4D5ZV7Cmmc0E4nG6fmbicsz94HetM" + 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