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-144604161715.mit-edu.top/post/6740359281

  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-144604161715.mit-edu.top",cType: 'managed',cRay: '90f80898bf6bf278',cH: 'o9JfV2zATAjGx2XKlKTCr8Wi9c6g.LObl8ZXTVPZ52A-1739147877-1.2.1.1-0OnRZJiEb3zIPriw4rduPjzLWKYFFgU8tPRZg_3AAJpqxBL0vFSn4dHFZmBO3zRU',cUPMDTk: "\/post\/6740359281?__cf_chl_tk=.5jkrIkgwbqxyV1KaTEf7IrYuXEV_uHf.Yoby7XLCYg-1739147877-1.0.1.1-RyrdLBtZUyAnw_a.a9FlfC8gcbQ9wsyq2fLkoEEFbQg",cFPWv: 'g',cITimeS: '1739147877',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6740359281?__cf_chl_f_tk=.5jkrIkgwbqxyV1KaTEf7IrYuXEV_uHf.Yoby7XLCYg-1739147877-1.0.1.1-RyrdLBtZUyAnw_a.a9FlfC8gcbQ9wsyq2fLkoEEFbQg",md: "_zMtcFSWmAan1NPEnmKCwF2Oajnk1HxLjUqe9b3rs6c-1739147877-1.2.1.1-pVdVq7ryRRvRaMMFsW6AcQdNXZ.YaKeNczXy7xuv33LCmGMhmuSg4WWdYIQhPweTEFFQxptmtAbgtUoPwJLrdpEMsTuVlyHCTTaof.sbTdIINHI2supB04UIph8Kucqc0x5GX66_JpLo7kzVPmhrkvYasHVCqo6kXn6t15IGCuXIpCJtxN7vt9np5XU7vlax0CAsZcRM8K4hZvfu2engnpGt6Pa8Q7ybrUr_1IF8Pk2xke13DxUo5wxtkQSc4ia62AQ7uHbK.PcqmlSxvOb2g.0hwYBtHmFl1R.tPn05M3Z.3lqgXGl0rKy.Mjdd.Q.efFjNG9dnuZiN7OCPEDYMXh0B3Xo64VpKhM_Dy2jC.yvoXcfPt_gqjaqgQzuPwf1Ntx3c5P4ZqaC2Jz8IaH_Gvth73P5x9Ydbca7Cr5pZY.JXRSB8sy_BKZKnvx74SKn_ZkUK3fW_TFijOcAU1nUQ5PoanSWxH_e8Xoxc0QJ5zBWjBrKvQsJXE2qDwO4Hm2A91djfRKzBS5zpHYtSMfH5sZis8ukKA0S16OmxYsZjxLcGi2_jwh5QBsUI2qWYHsW2oHdjKQK7zbIy1QGQpTATAOFjQYXDQndmY2jMGaURtdWOxRa8vJ0RUiZuEIE6PDW9SzHwObMcQ67VXJ2Y4oEFNbgCbPc4N8_VLRpea.U3ULKfeyExjz3yEVreoGmyFZGO5NfN6uSb701idy9OwFCCZ.D1bpUYkslb4BOLaod.H_Fl9tZi50GQSQ9XLrvMyhc62tWV55gMC6CVcR7Cw0N99PJJS7m1sHqvjYDFcqpuQ.sSBBjmtYSICXx0V78QF3KjZUOmSEyZoy.dw18nxzFBV6eI4VV3PswS9USEoR1Ev1OWXhDwmB0HJOdt9iK18cb1jdPLajKcDJCnnpITSMwJaSoxC4mcIHrGNBJf6wtfaNY50a1HbIziSd9M6ykj5Bz5Qaqy2UFK5JH7I0pWXvVye0OpYxNVYKZPs5Z5wbM.1fzUwlQqkDFkEqjdRpgxTH.9x2RjO4DRwhjWll3NRtL60YtXAl3Ci9ZPWmhz5SeLpoCo1NGXtm_nmtaSYpK8puzenu0w240kzBinjlwSpb7sP_TuafARsN6T48XeS6ke0Gm55Ci1VRn9o6bCYISd48Of99e2bLs7Xy8z8ngjZUUvwbiVXzxSawshnE4H573EGR_sD6YKmr7MNqNtzky2R4A7b6iIwoVYhAUjcMyplrAXKPsea3oHJBMxD.CJXbcUGHRAhdFZUmyedwrmCyKKiG.YLCmpt7tDQZctjo0ZOcq76BeBhtah1UeFsNR0chuI4vPh5jQzoqbkTtup0amqteAsKeGFQcH.NHGLSzyX0sGVddVVNeTlOt.ZYoUf6Ms218uHdnq30xgYn5FDrfbB2_owD_Ud8pFeUxWvRE2rKenReF3yF8ykESNNKToUbPFond8dbQG_TYwwZKYQMlrRCZSbUSpFhdye2vZY0eqorqca2q8LteqXoTZlEhOABYZGigtNuYvtUeRLlKUoFxcF4JwitGI4KOiLDlUDqCZpByC.9yAmANGXOFujW0WK7D8FYxD_b_3iTWUXP6jSdwl.SE_q9Gq9_d21XC_DSvq4DT60LnhBlggFocYgD5eINutLHAuw4vyThW0XestA9fPc2QqNBRroFg7Ax3bSnXctjCk5ZZr3zUFiDWuNjMwo1SQDP5vX5xebUhLKHvGkvovw2Q6hsEAlN7DOjisTcJtpPuX_75R.hk8wE9ui_IMwKq0iyphDmGlQnBB_A2tQl6x0zpjIgkPp0DBYrC4PwHf.rZY66DPw620HnWJG2Gx8TVH9.hZ0dGttCvDTmwisqqzLZnAoJdE2tT.UGBcpHxNotHVbz0g8PyWfbsVqwUH.kbnEuCNhq2wbSm6IsUekvo8Sq9mBvxWKccSrus5Vv8ozeuV3xLWuUzjnPqX3InZMJz5D1AXBNGKaZot4AZzHSkYuMweYcAhWM7lA0bti7SaaDCAhVJiP_m3hj8sYa1uUV2PVosOVq.ZsD3ftY8_bFXn_ILzehnzzX5Nzdjv5SMy7Hbkkl8.f5qOc_g5GnlNV8.Ynx91D3TFXXESb4gzjLSBUwHsEOVhwijNfb4IoEr.dwe7KePcd.pu46gflnRnQSKk0zVwXmRe57fEtf3EGBX2oBYCA77LJyXGIPPM0WQfKGk7UfWg4CElRm4jZUQ1EKILObsh1qfQQa2UmEXoWq1P.OzvH",mdrd: "8cwtvKZrYPRUnBB55AeTILPgXogRe_h4pcixIG6E.o8-1739147877-1.2.1.1-sma38.KPkbN2qAwubQegEcbuopfngAC6WqI6ZOXD5.XYN49PA6HOeCw05qjc7gRUVxXKS8IjIhViw1j5rpbg7SIwVzfTnqzv.C2cDVJhmnMmhgecgg3W31iJ8ZSNWgABTWv2YjivTeZWnr_vy6k3.QmfZ_L_Chhjc0YttISDfKI74mhWH7koieKmHol6psY_PIxF8qH0UAj5K8m.DUramjKbkXlK6TNdzTLaM8PYq8kFN72SRGbV9CBCE6Q0JmtLTA834YAmMXC1fXwn3tsHs3pylf2KBmGXvm9ScTcABA6nT43CxmKRt_uHmpio.ZdwpK9RlbDPPxLcYDdj4W9JjCQa7RnSvo_bDhlgulxV4VwhAzn3TWrCAPcSMNnKM.LmOdOiWkjA.dldFrlDkhx5hyTMNwOd8Z.Zr47RyshNXJcw1nWEVRFXArsAvT3_asMwzOLaUzZRnRcCL_GO8aWviBSMXp4fX9GUMfKLp.ROSP4iPtLSbbOvvDsFwzCJ.XsuPXxluPZy6_Rwn4CZvIfpX3Ud7yiiOxBQsEmaxLVyV3nAJpp.cmKQdOpIX6XLzepHDZaiUfLzwv6tL0sx0KJ96WK1SgstGiAAU8KEtpxcwUMJEX4fTlS7vVIKzI7fP2ZtE5SaHrl.ktsZuyEtXZRNM6py.J_TlGfmpak7.BslntcgKsC3zn_eIJIGL6usJA9Grc01AE6CmXjk.4OQV8V45PVD41Z.5CFbq4g3NSk.3lVonHsTjadT.AVSVDUpXXi9nVfBpj9SdHgPFdSLlix3Dw37wFxh5foRp3AIjP8EZaqvkFsYZokGSFzdxfA1qX4MMj4VqAMIYqLguTARqHXnTweoeQsk3FNqLMo6Gbf5pNnmpvxoKTd4zS3l7hHqxqvU_LJysg5WBms1_RBCtMqwFL4AYJfslla7qUGbwxqm3Ya92BVrloGJVqaKdmY4QXeJmAMdp0rOqWaYmh1wfB1U95XcLHkMCWr1HcLPcjHHy8MP0oVBbBhU7ps64vuys5E96dndrgsl75IiErRGxgGXj3ix3meHRu01GKKZGcEbCxorM9UueN_AJrKfaNl8EktCqK3Lbe6LMeeD57S_cNNewCk.eh5w2.v3gtQfrFw1Lg8dwBItJbM2Exc2sOjMEAErUGYMdHzS_cXNTJIEQqy73YQLWsVutsmo17DeKQLIROtz0aKg2R8uRxjWAdXxecalMztn9LbQguh2olGuHpkhJnsPFOQK8Rg2ksl1eDVzPAADg_BrhHzx.Q9paTNG4uQ91aRTEzdGNwdV9U5RoouQvjRgv.JnTPRybKUF8YflDW9C4dNtxVcp57AxW2bQdG60TJVMNDktMnAyZf_mIUkrjnCXBHYqeAhNZQU55bMh5PU7lcca9gvYXB_OBJ2h4dC6yjE7CY_DkZUN8JJ7FjMrmF5W.tKxS6nQ0uw7JMn4LBcbeEAbLGUimMACiqQi6zQF0.n8QWVBHarW52bCx7zSOdYdC8qjZ1iw_yxxYKcl.yaIj9lGtc20TAs8U4kKWwaa1SuSDdrw9_KHLGv8Z.taV1210s58gJ1KZi5GVmVcGI1qv1V0GqVTQoxuLiflSCNoQLijLU4NdZu1bEgAcwppJ_5HAsnlz1GAhTEzXLmRMOzNWZKXk8neXwwwixyR.zNPLzLnIT3xKMo3N2unG_t0ov_z_bqEXOlWIvERpzwqSE0A1bWdl0R4R8FFHe8g6X4xlskSy_3X.TyXI5JjYUHj1drR3VmdIUZ9Z.t7RSx0G1cu1rAKoNOS1Cr8DmNCjW0Id5VERDw1dck5_RP.cfEOhxZqtSX67..xeGhlxPe0uEo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80898bf6bf278';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\/6740359281?__cf_chl_rt_tk=.5jkrIkgwbqxyV1KaTEf7IrYuXEV_uHf.Yoby7XLCYg-1739147877-1.0.1.1-RyrdLBtZUyAnw_a.a9FlfC8gcbQ9wsyq2fLkoEEFbQg" + 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