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-658055948459.mit-edu.top/post/5826173409

  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-658055948459.mit-edu.top",cType: 'managed',cRay: '90f36cf7bd68c988',cH: 'BQsp1BOvjHwjK8A6lyZmfAX4gpWltURKPurEyBnTTqE-1739099559-1.2.1.1-uThFJppJg7LoyyfEtmzTRcGCnZbc.fJ31EKLB2jRA8JapG8iVzog82OmhAxPPzKS',cUPMDTk: "\/post\/5826173409?__cf_chl_tk=8Jn3W9bidhUgh.QsxSJX6POdnprvwx6Yfpljxfop.e8-1739099559-1.0.1.1-YvWEtfwJ.NovNw0Le_5WiLV04SZIsuvBdyDb_oR4E7A",cFPWv: 'g',cITimeS: '1739099559',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5826173409?__cf_chl_f_tk=8Jn3W9bidhUgh.QsxSJX6POdnprvwx6Yfpljxfop.e8-1739099559-1.0.1.1-YvWEtfwJ.NovNw0Le_5WiLV04SZIsuvBdyDb_oR4E7A",md: "vHdKfT37Iwf8NIABIxAGE8_9vvm2iFB327JyGCtFaiA-1739099559-1.2.1.1-3rLSHbAb6qA7kpLlyPaDyaBphcn8zzen3c_g.Ub.EENyVCkHaMbBu_alW8VligpOVFXZ6U5oSQ.mtdTqA2wtIjhJcsOHohMbgvnGJDTin48bSpaEFqxAcaqm5PWVNDk.WHrxnnMMO_uThJURQXsJukM.vxFNhXjYfEKx_38jlyGBuQJXN5zvLnO7Oq5Q9N6rSqHTb71V8kDzo7Sy1Ds0GUaZmFrC3IwLyPdxo1AbrmnzGNp2dvzdSFPzIkYq7vv5pNkHTk09oCGqqsD4P266rmyfriookb9DPZ8BgU8WP5VbK0QJcyGy0JuZTmRLjZyUe6Rkb6aJNiX9BXucruyLDTXM64G_10lpkylEVzy6WViiDHa.VH2UuZncZDTbygFM2XeGSdyv3pjqOFqMiJNCa_NJnvgEHIOFLQgyfEMuTXSAa3jHjEAiO1l8JqQ4oZXkFOeSTQpqW7oj4GFNcDr18.Bo0MDQAI8cLDcEWVCVcSP2J6yM.3pGoT3EJZ3X58Ts3gGPKCKoLJZsbDXah4b3XPkwY3rKfjhTuQt1lCqdfP4fnkQbG_NrAQNpTmIQmTEIwHJlQv0R0w0S5K3a.jGksbqoge9XH2_D5G0swk4wf0_px0gBUb60fBzzMO0vLoBcoyHjON0CIBIlfbU8MpCzQovIGdG7AwWbymOd71jFd4HyocGvgOCJLXUDbQQ_THXS3yGlgOapJ7cZB2ihsP7wNLBScCoBhsRB8cjc8MG4e6SSGpIwHuzZcg.P8MoJF8NLhkU5Fj4PbsM.je5tZ4_ttQMS_uSv3f7vn4gRTj47O5Qp1LeeCH5TFbQHCgR59xE5bTnCZwkzd3ulYdfkolJB5VhXilzkbhUeSdyoBC3XPrKgtXts7KnAiUVfs5ry3WwSPl4XtEDJ3EBGdFDst1B472Eob4SPUjnXe5BMrnDQqeYwuOcr5aOhffxlcuArfgLPB3b13mx913wYHOWQ1y3lbWnEA6dc8tzFD8NBWbAd13bQQb0MQO2CmxogBlDBeod00AUawsNv.4thrpDynM6xcTrdZB92ZEbnk31Wj7i0XpdFAykPIRYAviOEqjODTljcYvYM1wTmAYld7AglIherNhq920ka33EYxZyyODX97PSyDBYRsKXxp0Of449YKjxPfzMsv6cKOW0c4U.FbUZe5V7x19pshyIsmfF8jDIHsiYPdIc1Vox5nL5PVB8lhlY1fJHHm9dOARasXS9Arnr9OFkt2MPn4n9VIVvRKbzosJ55xgm8fluJhAVZcdZ3ptpSJMuos5HohtvRZhOMMXCwWIWxA5GG6Y_ePKFKp1ARUy5SARlRcjlNyRSEm9059Vx2m.1VdbKw7hkc6v2IfjUOXMoai7CD8DjCY8etOLefSai.X_r5L9U9ZNzlG4UBcc7auyaXRgOIlEXfjax9Y8mtwdUebj8hzN3Nj7_Bbb3xHRSI1.tzeJHxfQ7mlXagEODcvdrEfv2py1UQL7Uv8ZXhplN4gTvm5Y3iBDTnGeJeirhAwQ3J9fV6VWiTa8L4fAnU4oe22rAzKfyPKpSZ2UvZXY6CUL6CuPRHbWokYzbVtlb70nZCJe3gIRETP5YFnrP7sg9PVPHzqSC71.Lcur7fP_Vqi6qYq3lvF6u_Sm2YY.RojqvDNgvfwkDBjxUFalpxeF26o_xKAnbGIYkIdb7JUgMxRpyaZEMoIwcyKriAHbrnyYKe5WjavKW4lCF8jW8R5q7E1a8x.WywSAVB915V7tCqEuK8XDoN8UG_faHBUKY89Mr8zxzJ6_R5ULx.eIoJVt88r1k5PZrqdJGPloLUAZLX82tq8U9l3i8FIYIEiovCWBHoPpCQfYkzgCtgBaB1w.PPcuyOjx7sU7o1HTzAHQ1uCJ_ypT9GwD0Tq6pi1ihncGycSHg.NScW.qi18rpihR4cNg5uLBNrzJDWiCYvUZO4Zy.xbnJgAZRP7Uvfm4MXL6a0t8k7.LlvIKOqpuWiw_KacBZNkcRITHawNHtSrIRlCzkh2nMRZ7s34s4Yul0k1gX5BDdwFNqO65PgjF1g31KIqy5cSWrIbkeYXML6e1SRDlBWI.3OBNMoM.weqJBTEuFxBjQtdK7nEZt8BeJbjNflT4jz55uJ9qy4BEHbrSzUPW4iqO7L0b3z7e7mmlroNIBlz1RpQ0gn4dIUcxrdKxVhxKrbjamaXP16RWMclHm6BDiFOzr.sBSUKnns1WLXWXggupfKHqUcjOXQvR09",mdrd: "e9DFJ4xPANZbEO6nxDS_8y5rmZJNRy3q2g9rvvLUbwA-1739099559-1.2.1.1-O.xCQpfkt6lLYg9ClAK.llkfF80FIdOrf21N9Hkr06dELffjFXexh0R2_TlPCBh02i.DN3Vf58wR2Mjs_Qgegq8M_DMoXMs6MQMXmd1ZVl3EMpsyKJTrp4N4TRFFc8qWi8ZAtAg_uhCLD_JLkND2kvqW.iXAhu4BRrVuIzFMDclX2wPvma.GyJMV1vyiyuddAC3aS4ra9BOBfNFIYGUKS9H_RzefNnchWJq2cXvroRQCjopYsS_GwE.s.INF.Yb_JmrsSbPKpDolQAuin8vbfe41.ayAFg.V_lrDLGVD3hTMk2BLVWXzN.uv.W2aftPRbYRT2IJwyGqxDmo8esa8Po0IAVfAX5FrctOO1tkda0vE0b9lNhKHpOaVVn4EWY7hkGr9U2QLRn9c4kzn1Wju1M3FLuSphZfeFr2TyVybmlNGgHvvqMkC7eCvm3Mm0FSlEmDpCeyf_cjGQurCp__HzOHT8gNJuG7AOYr26FWX2puOAugRrb0huH7CgRA7WKFcDbH_NEsSA3uYukWJt5_r3qRP81s42KScv4p8pe46lxsSwUf22tORFqlO6ighmi1knC95te_22hF27jJyI5JD.HP7HCVbY1hlQM5g_t65XL2jT02IeWw3yxgPxuEOed40yZpsq.biQ5L79brvI3QZaIthhz1ZYssHKFvtWooTGnjCLEFT_0K_hmT2L6k33WhY3M0wKjuJEh_ViQRk2n9W7Bj8T.xhLuKWu1Z_3T7k65ZyF1gc1LKC.fAzI.YmPJJBb.cfyeaAzjf.BA8ZvaeJSKdCmVnXVLwXr4An9zywPz9syCTmtU83bzVlqVpfbDvg0BlTEZRlLm__qNzxdCpItAx51fo5UY7PZsciPk4BLXmvoMl0GX66JjkUNF95nZvOHdQbPjEpvpFpexMny4f9.CzDNCdJi1lsSpYQaBd3hKdvJKZ5ySG9zn1gwnE6DJ0CsmqJbyOaf3O0E_QaV8ytcEfbZQqD1NLH.mg6Nn1Fka9bd38fRbqF1_DazMMyG9epYYEzYxwqN1OKxmA5YAw.RxWyugdaXBHWZslMQOsw7SJmvq9va5fiLjZxB7HiVo96FZshwv4ZbUg1qzOI.8qTrm1_HFDJVELDschAJ3lm6aMkeibp7U_uC6hWuQhdvhmCH45V4US_hviKU3wuGBwy4jpA7Ztl8ukeEAS3WCMU.iILZvzt1jqo_eAh5ejDnCmul9lt.xpZ05VLEHSd4qOKaMZa4kHDbBn0m94BAk3R9n3PHtN5Y0gBuIROcu7g0j16PRtiVvlt0a7tM2SG7wDHxj1acBb_A4dBweJ5I_WstUL6VAvzS1XnYozPhrwk5ExAiE5qegwseasqJfMQJMWuYmaR4CbrHqnyL68tCfM.O12iB7tZk5VHz5nSH_87b9JRMAyu.679MR8rFIO9J6n1SVo6SOy5hIaRX28NcpOq5jkmJjtpJ8KyVT5Wyq35jeA5TGADpxCBNpjGnglhL20VaWQfwdDDhhv4CZ3bFSbZPAs0Ly8cHtdjnxIsvbYJaqzP9VQvGe4WV9xt6kZJszG0fl9O78bmUC2bFpqW76HlwW2B5XsJO_E_q2FN5DTe7CXjPvdyZhYSO0CqR_ni5RZ_q9vCKzKpAWzj0we25XtcbmARQ1yxo4ukHgyfd31siaf2cUiaDvPPxzcZU4v91iNNGbqKI7ISnCkv2pQ1UDwuL_X99s99dICN5EV6YBE77z8TL2W1EzghIjfluedTJvWn9l9JUCJcyujBcmgc9C_sh0ry9vimysqaZRE7mEVu3ToHsKm5gN.L5hn97uxFTdD0Bg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36cf7bd68c988';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\/5826173409?__cf_chl_rt_tk=8Jn3W9bidhUgh.QsxSJX6POdnprvwx6Yfpljxfop.e8-1739099559-1.0.1.1-YvWEtfwJ.NovNw0Le_5WiLV04SZIsuvBdyDb_oR4E7A" + 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