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://683833.mit-edu.top/post/0749385162

  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: "683833.mit-edu.top",cType: 'managed',cRay: '90faf95efd18172d',cH: 'ydy0cOAPqDV7yuNRzA.wRqwM6cPybYJKacbmxStzWp4-1739178710-1.2.1.1-k5tw8ne8nDBuDduDjT6EsrOo4tA4KGL9QaJNT7wXni0GZ7B7oKXKLhj_LPOpJHWB',cUPMDTk: "\/post\/0749385162?__cf_chl_tk=P9S1o7FB.qONloFmGwmlRQquPgjsu69gEgcpqROohZo-1739178710-1.0.1.1-cg7VJQG3jkQB_gDF7tcz276pzpESzJql7iVGB0jpPeE",cFPWv: 'g',cITimeS: '1739178710',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0749385162?__cf_chl_f_tk=P9S1o7FB.qONloFmGwmlRQquPgjsu69gEgcpqROohZo-1739178710-1.0.1.1-cg7VJQG3jkQB_gDF7tcz276pzpESzJql7iVGB0jpPeE",md: "CFAthRySmYXisRMHTA.XqTjAYeSA1uHVXCMazc_GXIk-1739178710-1.2.1.1-it5Po3MnUjMdHTLzhbi_G9dJkDtmtLxVw_OAgP797GMwmu0FNyLEqgA_rZBZo7ZSEz7TNtG382CWkL2bsUUoY2YuoQozxtEU96WN.adkoABN9sRLgSWsKX6J9ACiWu2zB79.BOYvFYQFIHKFSnHN26iCHkFd4B3m9_IVEED9B8_bDuYhMTYSOzhRDlZKXPFahV1vbNCfoeHPZbmhVorf2fU.JByf6aPhRj0qPi4AshlQCjVV2fDnVfJQhybuBQtA_eaRBZbAfLtRuV_GpODgweuBu3drHkLWnLJxYpPBasHiqJSPFVNxxZZ3vdFsSVWJXjB8ocXC8PxCXVrY7dYCOkIWP16bL7.EhzLQR41pXXaetHGnRJ8U68U_saSRbaZtM4wUn7omHMFgYBXO1WbXfFHCkLXcNPL9O5fPr1Uc.vn6CZuZVO8Ha37RSgLEehSgOVe3ykkWnWsrr.shKAujpg1gumMXjHstkzU2A.USZ2XgBk3qGUXJbN_aja12dgh.OAP1EroP0UY92yqHWoBySAtLXfM4fTp3ah0z0yuLipb99d3QayjHGnUmETLYkiWRlmPRnA0hPweyXmev_3sgiQ_Gkzhge_TePtQqjGjNklc57AnwYbCaeKiT5hm2wQSeF2EaHmBHsraJnedq8O42HqSkfrWrgQPa8Xb7PDB430yasvh4TWUcyIhNnUOcM3xHsRLjEjXrHvteN_KVeDbR4gAwah1jiUAPwCrFqrCAzYEQ6AYG614P1T768CuAhIX20wPCGPuYjX4tnwiIKUDjVahB5l4iBF5NdujqI8bdtL3NU4Gr8D2LhfGPg8Fnx_8LZrchuL1j6dc9Uq8Zn4bt0mra.h.ZL17uc4kZwt0BoFnDKKk2L27MGBvFv.QSiPesUryV4CfURdMpVTGiLIuYco9Rn6eZebMCsREp0jGXdvuuqtlp2fn2o9g21G.AzG5qKeHdabkw.3GVsS7Uol1BVa213a7bj0wWf1hhvbBvvIUfbtPxCFo044SsC3S3iDKeA4jASeUA2BVjWI_AcWGyd3OSvBM6DXUsOV302q3X9fxMfW6yTbzsHxxn_UDqHhZOpnICbUSGVq7FRmEvjzHt2Vr0ojjmlR77ibNBEU8y2cvkPUUdGxeLNBd9HM4yaGSylQYNOi_aXhMnWRtjnYkE2135XrgNAZkYsscfI2X2Dvtznh_0hIOBfbllazu_y.7tnztGloxZ68NTgxWM8Ft4m6lPZThiFXMagLDK5WS5jq00yy3PB4Kjtb3CH_sDKIlr1z8.FYeDjrO9IhEN.W81I9n996oOce5Zn99.aBiu0t6.A5hAWub9lrcQYrhkNRFXfDFQkJAz.e1UoxWG_FQbsaFqxpEjUlnr29hC4KenWkFEUfqntDDLYu7YIW8Y3eObgCx._rkK7w1mcl8lBXU34Lhg2AmzTRP8sqjtJt_M5abKGruq4Q6W7WvBUFxyn7s8ObHK3LWDZlfWOZ5fMVqeBlz184t79TZLrsOQWblb9gCLAk1MIPxDPGPLv.ADaRBzzigHnXayvf.lLLVifCxLc.L_adGoSNLUWHmDYnsnTBzjoryNGVM9.ikXkuQZF9wOYTeHPXYKdk66dIqyWIXAnZnzNtagMviOytLWi0IIrnGrsvrVcRZq3iNj3Wzu5JdAtjA6404998reMoyEW3AwmCggh2Xq_9uuNJb4nE89PM43ya85qlfkdBjN4nKuyiGXBn3IXIQdo.16IluBwQWDWyWw5qacjXLy0wiHN7TLoVRhmdMeDf.xmREJ7N7K.96ab0UCf6GmQZzmd2RQ4tuGk7SCfDfqsdsINCm2wyn_Cdg0QVOorcCYElOtSHftbQXgcCICPAxCdNuR9mafZteWejZ0aEBL72XJUkEvzTjFrJ6jd9UG75_1LxYeK9mOqmZokByQi8mmXFzw2qU8tRgfyUgTvQFNYVmJjMClv_zH2Z_TlZDixMd7B2scjot.3K9QjmtkvGShx3wooat7aZ3MnxmnsHxro9.jvg9Px42iykW4R_EYrO1_DhiAlPAEVFmnLfXeRLDJxpbgsYcWheoxUm7QDxba73Uok6cQNuC1Z9QPw49gV47NY4uuPXg6Q8dpamBXsbj8ioom5u5NUjo.ZZ2_Wu9UMGAaYk3c6t88IwWpa.UPvnATsuL1EKNvi3w8OM97XG5b8m7miwMB5aZxyZUEHEoEcd9JDzLtqrnpQ3A",mdrd: "oQSs9DDHlKUXWMHfNYH7K.T8DFEXRaVY7b1Qq2zpQKc-1739178710-1.2.1.1-o9vYcC0M8LJ5AJxpLpzuMFwEhSEpTIERIwKI5vd3CoUej71CXkw3l3ssOEVhee_8KnL2dT4.wm.8qixWPP3s8dvJgkzR9Z3TDUi7NHl7gulxZ8Xmlaelj7wCJrm4GDU4kqV7.1wHQEhNnK5uiTMXzO8KUiem0qcU89jnw3pVOO45.zeAg168DYgStts18jJwM74V4wupTkRtdnZ_ZeUeYO.YSF9iUjL37flNCyZnvs_C0nb9La1K0BPiqxvKJHKiy4_AuBRaLYY8hEBYTil95oNfeeavdcF4dscDCjJWwibknyQHvr5DYq.CpiVS8gTaFLek6fiF3sVyqF9wgraItmPtFCnwH.jBKd34n2akqXbwMy14NptO1SNxmlrE7It5E7tvUDDZcRzT2Ag3fuxIIPoF_TGQkfvZyHvRcnSYuPBRVxYc_LbqAy30yosccKISZYVuwqW6xUxNlcXc8cf.B__ooyNFILw60SZhddeUihr69MDNtRXUu0qy0RJLs3wZL0tFIEm01MOMFufHb0bwRlkj9Kop.yjTmY6J7TdqsvQc0Yok197Lqk6CuHaHevllNiTyBcvyHUbZb2EavB9zyChE2jUJvmdyTHof9pS350WqytNJLcZ4zRwUr_jUqPC0Br6e7w0r1NVcVFcv3xNWrn595Arqe2HhW94rWZ1LdNzKAstFA3vQjM5wHp4ub7bhkaurAsswFGxHE7L24wDO5s9NZUfLxWwlxaz0GmoupYolzISL_sg40JqVPHHRlfblvYYcJzLgCi7_iyuDngvaMpj4JcBj8b1jcBtdISeMoCFgIQg3egNbbIFcRpCZ_5oBe2zaFVp7muWjBaJIbqA1r.x.E2wTVduqZUgNFnv3pp7c.1QxVKzzBcZXjhPyWlFwt_SOAN0EOO8A8EyYkQKpRwC.d4tJ7bJzyBGZztKjCglMkrj0hnAcOHGHGXGLCyP.r05pLrdU9X7_UWvKe97kxwnUsbFREd7mbYLAZa.XKM8hWvOi8t5UMRLfgP8ihpo0DUcXjNk758Vzp9VTBMZXj5x.04MMmcDn94tFqUmbAB1jcCDQRjC0XhnFbksbcTT93lhGCfzqncbhYh9FsVNoervXzop9b1bafV15tuKlMyr_.90By6Ei9HYEBqQkjdoMnFf.IcsV3M9EF4w.TUvlT9Jir623ehYyKhQdo9Ch8I3pPELaXE837arI7ysrGL7FUUqwGO5mnol4R.rFpotJ_5gXXXs22qGsiE10SkJl47y6hMxTie5ZZJMDSM7pqBelXHhXkwh9QFCphY98tuzQ2cZH0DrxQ9wrCJ8WkQs9fGu4GU50ySl2h7N3S42i_gOAkn7SO7wkqWB1uBjWwP5xcv66Hqndi6qw22PgQA_sJD3GZjlZM_xBcWa0MwQx0ZzfKmzSz4QQKhG115qXF__6RhN8hoTb4tV4E8mbGmDyK12fBUCQlL0dBcDTg7.URU.AHkfslRFbDTSQSydRPYupoYxxlCOnhelnD3DuA8HG1tj25LmVnId3aShPMvw3U2vX23Dxz7Es0X32ncj9kOdaSgd8TRFFcKqnhqGrr46xERjFuGheeirO.J2eAJ5Lj8xCNbP3bTx1SX3ZlaL64WJgFIDhBtp.GSfd_TAbwgox4i1.FZIMCSrvG1IISxn.SK1mkmv3izyyRbuhw8U_n8D05awIk.ggq2YLPLwEAGyT98vxpT.WyOaONmBDbTBNK7HyEZRw2A6HVlwFDgTnlDpC5_onxT0zo4pwH.LPh32z82UNOhB.ww6kq871fid8N7Ky"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf95efd18172d';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\/0749385162?__cf_chl_rt_tk=P9S1o7FB.qONloFmGwmlRQquPgjsu69gEgcpqROohZo-1739178710-1.0.1.1-cg7VJQG3jkQB_gDF7tcz276pzpESzJql7iVGB0jpPeE" + 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