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-752756432244.mit-edu.top/post/1247359806

  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-752756432244.mit-edu.top",cType: 'managed',cRay: '90f811ccb8153b4e',cH: 'iLRHZzSkVkwM0TX0I9u7lbVeqEfqm79XWnoGQ8Uhpt0-1739148254-1.2.1.1-UFhcNzZiGgdAFjILIJrdFyNXxSoQZ9W_sFv21gDk74HCtbTXd5xXhtWnyXFss4A6',cUPMDTk: "\/post\/1247359806?__cf_chl_tk=hocEbGETxn9i1UMInBHL6dP0rDnyRyjVCaKM1r9K7hU-1739148254-1.0.1.1-TnZ0Mjon7xb18Slt__A3dGLk7_VPTpBr7lX7ljRtM00",cFPWv: 'g',cITimeS: '1739148254',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1247359806?__cf_chl_f_tk=hocEbGETxn9i1UMInBHL6dP0rDnyRyjVCaKM1r9K7hU-1739148254-1.0.1.1-TnZ0Mjon7xb18Slt__A3dGLk7_VPTpBr7lX7ljRtM00",md: "W7H9ezV7lAied5uBr.aa286dNE5g74.mP893puzzB70-1739148254-1.2.1.1-SSQMAUL7SZ6WOzNrJFxpH1qkVNOxJl6U5kH0SBroMFmRxLg4yyT2cnxwYhx.eRQzeemxJrrGhC.pzA1IiJ1ARvfnOG4onI20wEduI3yCKQdscMyUYxxrAE9fyNatbROEbckPqukYeONoMCCCvU1Ja89VpzmCAd1DK_A7lAknatmWeCoRhnSfTELh2sI5t48sQ31gUUmRoQL9epxL7pXmZdb_HlKEuBcXMIoCmrSV0v3CEnkOJPrieNOOAPCqEiMqTbnoxitwchthWEdZbTdL8ZzMQPHv890yCA2e1trfwB4ainfJUY9PQUogqG3m.FDi.f_wHaY9RKmc3OWDsA9x9xqtr14LcGPfHtScAMV_IX00tJaEmN5XJDXAX5lvn6d2e5nYe9bMLooiAjZxSVcKT7zYAQeUMAN9yjW30WNH4H.LTEeOo913nn724EBPjOi8w.QYcd7nBpdr7hF95KOMLVIBzFi70A06d8ECeaDxeVnfD_A.mvk9hKC9M6VETrwZh4LgBMeaSW3H9XXwwqINh0E3EjTnDYWQypZ4ou__JJwIMIT7ifOHu.sGB.WbZ2n0o4RXwD6_9bPlhMOhy9KsPwcaH7kZEpyvdvBseENYWNHNmGty2KfW5U9yVpw5cOwTXLcuNJfP9w5hSwtEcK2lqomIAQOZke6R8NeubkvC2HClkoWYLyqiO0FweEZ7gV9SXMHXTiERgy8r.uF0Cv95n_S6DHtTpw3Q9V21K5pVPvFW_6kziFB_AoiKaJ6Mgf.VqTWI7HMfqTTjosRxmYNOmPu9vKwUfU63xIL06BlC4Khk2TZ2jV0x6zUz44.qOmDCuVGDsYHbeSv6WHT8psvQYMfCBG1VJdo6f60LHKnJUg7llOUosRfp.rLkVGPpVi_6bZovUS1DN_iFND6.0gIRUIr2TAbgUHKJTsiXHhGOL8AbYSFZOu3OGLnVpkFRwq0j0Dsd7pv.T6XhzVrs5F00XJ5xZV8X88lSc1zHZiqkLoJs0Het2nkiK0aIio3BlSfEThOxbQgsdagWL1GbZ7DdScSDXo3SKR4y5FQGM8rAJzHDnolCSh_NQmWRqP0bE5A8b32EJxzmOjEQ7OQkw27XGz_Slf7E6Ip3_X40HsgLcVlnm0V30.mUYwIE1GbV63NtCsfxBPNY6w66gagViio_TKdZpoZqE11JJHFfKFfKM4sM58vZ0lbyfQds7JZ8EJfe0rjIm38Vyg_T5Ghi6W2gwWK8ekPbl6YY_vw01mh3UTwJ_WT1BX9z04sk6PIPHNOjijnKVG0JRY18U1mzKFt5YQQ1ENeEvc.KBUlHd28ZJ.vVh1fhoBogh5slSci3yNm5H73m0XeAruYE7d2H2bB.uCvtTFwpZBq.jZelGaqax0DNxCd2.4DyyUPJHp1RDIr0uFNqvs9tZ5K.aiOgf.aFgmDqJKe7jhP.Q7DzlDF9AUDjcQkOjfLZutzr.wVerKet6JhZU8XXkWBLR8.j09PLRjXfm15ASucs9IIK3T6hleVc9VaARjop56G.p08lTMHCtMF1E7BUxOg650LKjdSnMf0s5Bwq4qMLlXI2H.uSeJ3tU42ogr9BDTCd7ftGwmvjsyVlsh5Ko0qIBOxxJkKcM0d39aeOYpISO3PnT5JP1NaG8Co1d_ryihh4DTBek4s.seNJOBQO0W__E8QBiyQ0__hAJEf5LFC2mVrFu2Lz.urwUDH8Z9W5uI_dCTfdBTc3RUhOiuoFUlg6HV0brXaHYkwnyP9rxaDMZFBB5FQ.jKR1UkIy4jdPX8XaSxWUzwacn9cENRsW3VI9TUSjf4n_WX4fOHlgfL.kn7FdOBzNGZHEWIjImcmwGUIawFpn4JhiEXvhSHcxFBUC7wS6rLSfhRKCnr37iuGCUoLM.gGuwB7iz2n.6yFsnkQVVTQx4hWzGiQfGyA1VwQWGw8KYphS.xfXDdIykc2o_xOwvZ5YGAwHqjRKvHYt1B64RFn2WNCl0Mg_PmLUaGhfWogwIPulKAPIsYpZNovw2rcL3TGyHjySW4iqahEOLXWZ3z.QOnKUyggb0rOsyWmzWGtB1QHyG80YT8oHOFBgTmcT6fqsf5NxKSpY3c9q9eKnwfspHwdKybtAgEFcHB9O7IeUwvPRssct_E2XgIqLu53sizyQvl06pfL6t7Gr7sV4lUCa23yCDWScryRYr_QNvjKuiTgFB6mvJPMwP4A54b3R.P5jaKiK5.YVc0h_rBIeIXCW5bos",mdrd: "ZbXkblwrrHXhZ_oVcf5xMDcRE18xa9CTh4n.fI39hjc-1739148254-1.2.1.1-vjszA1XFMwx4.CgWOcq04q7ptdsA92YLeBwnL84v6B2Q3lye6TQyhS7l6Cvi4ub0DnGYdEc4iaTLU4dol1R.avmVUfLEdqjLCpaYik3af81z94H7zlNAZ4Y0E99SS8XijcLn.fsg8zBP1EI.tP.LGk8mchlVWL33QTWYfRf86E1kZQNTAN4iH08GzYBY33ZyjMFXx2ShHyPyhnZgzt.jsIDjzol4UvAkZZly1zP64PQsQMlTh_7roejls3IcE7G99VJNf0XbKd2PeuMcfwzPWuY8vN93nMNakqrYzvirEEQN.VzAUqrdFUYf5pCHG5jdnBpUxrmEMNmgvZoWFjZS_bw9fFJMyYYEhtRNCgAYbaLSgpSo4pzh6ZhGTJ93gQs4IbNgNmAifLr9kbR9irSGL5FkCTjXS0Y6048KGrvT.nRTqdD.M0Vns6xnJYHLtN_bhO6aEWw7YP9F5xq0z_96hFCMn_HuDmDClfq7xCj0Qsj9EZuoYbTNde6F3eAQJD1j8xGqQNmSmV1RvyAFICwsHF4.QDN4Fo8X9R4vnVRaF.kmdgLchwrBCOkfk1opz1gbs8gGNRiqpViFQ5Y8aQBcWSijvkeltFU4eGXeRDdp6oGtAEvItFtSWQeUvH19H0Q7K3_gqPeitmAXJKyaMW1VAiT98D9HkkYkgYuus02ehs2_9f5XbhhPgmckm9P2d514T7Ar_V7kDsf1o9kDF2_Z2K8zqj8Og1lB17_jZ7XIEZ90MP9ncGkO.CfK8SCYQeC5NxrEMYBrxghmTp40erL_O43Rmrkg9WdhX.Db8VuT3sI3zK_TTvJvPyEOCmI0aMrH_6zV_l7D96QP37BXZdUuHfPHwK39XxYmoYaULp9vW5mCbXsFMf7sB7m4MChq8ou5dkBuF4g0_JJ0Zrvbt976B49KRok3YLebJCXv7WV6h2o68jCUZfRQMDgGrjNnbGf3A9jIL3OVDLTdaWLJhrz0af0XXhAS16EmmwDPkBCAOwNaWZfO2z5zVGwF.OebSZxMtQoZ1q62V5gXPx5.klmpO9Z9r58F.jaIwAsrVJfae1JEGjPaz3Mh3tSFebLJnxUcevhM6UQnyXKg0nsGGZ..6oKHAwKf149i35tOD0IqqSsd41TsdXLl01tqQr.JG94tM6B828TvJs1EsM.VeJ98Ve1raFA7kASEWLLs76w3flgLwx2QlvVOiiNjn1CoBYkLNImIz0fjx55Lf3I2nEzXDkDFBEYar8XHbBWcWB9ojkiBoluK.hjedJOEiFbMCE3HwdyaISCAd1v20cX93ujtvWRQiCPtKPutu678q_wQZDM9YC7q6TohC6KmzdtH1i.V5UhE9hG7BJQ_WsDKqBjKLS7VGF3oJqF7E21EGuadXI.2lRK9y5gHttNINHNdb9CQlLq1V4jV9xSmj_DyBRGJzELzkBbJMSXH8cOSqlcpDeP2IbTg1d4No2HbFIp3lb23PeACbRDxuK9jhW3Ft_k3_59WyNRcfD2k5nem9UHaXJpXVE_X751wjGKxIBuIYTZr5mlsg6Ak2CFS04FFCL.59T3r9GbnFnYKTI34txpfHKxyD1MzuvO0t.Yqd0HqeHUqWjeCep9U.HhtMoL1rjumnf0ucUI5AheEsjdzIPqhHoR5U4b1eVewR_iu7bVxiiyM9_XFcjPfo_gvdwaQQO3q95BhQkXsIIab9Jl7TrilgPNYX.qOfXc2MSh_BTvUbeKYnkZk4V6KBPEi7epkavwYfPjsEp9.L11FJjpszXdIKfUHhL7gLagqBLmI6r21sQyIu_pUHt4akJGMwwZP12vCD5owy19AvZdqAawUHRdvTdo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f811ccb8153b4e';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\/1247359806?__cf_chl_rt_tk=hocEbGETxn9i1UMInBHL6dP0rDnyRyjVCaKM1r9K7hU-1739148254-1.0.1.1-TnZ0Mjon7xb18Slt__A3dGLk7_VPTpBr7lX7ljRtM00" + 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