for Atom and RSS and KML
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.
<!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="360"></head><body><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-125004234621.mit-edu.top",cType: 'managed',cRay: '94b202f92cc47ffa',cH: 'dHJUPAqc3sMw4PZGHCNVIswpB3VvvG5EHKyFNTYeTO8-1749151061-1.2.1.1-nzcFy6vMpaKE3pvGB8yy0J0xK8ye4I85k1NHSB.PNAKi2aN91YfcCuo83fXUmpD_',cUPMDTk: "\/post\/0617258394?__cf_chl_tk=eQ_CNJ6wqNxr62Q9Z7rtEiuoj39C0xYA46Hc21YFoLo-1749151061-1.0.1.1-ydpbRZ7MW6fz4mOXfj4BWkLscp_poKVmoNy4wzHfxu0",cFPWv: 'g',cITimeS: '1749151061',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/0617258394?__cf_chl_f_tk=eQ_CNJ6wqNxr62Q9Z7rtEiuoj39C0xYA46Hc21YFoLo-1749151061-1.0.1.1-ydpbRZ7MW6fz4mOXfj4BWkLscp_poKVmoNy4wzHfxu0",md: "dN9q1kelbEKGIbqilNK8lcWor.G2q4VeDGre_4z1Kfs-1749151061-1.2.1.1-3qASrkyLH6O_noFb0smQjczJb0y.TFdnS27EiPU01YUKv41lh8qwwz1qCHZQu7jnNq1b1pwxD4UoRB4NpgGektxq1ImnBhN9ZCJSKNKoSDaO86hyNjjFGANZd1yqg13iW0W4lpM9XG6pSMER2hBeVHQGAnKpy7uEG1LiTIkSwy1fMeQIeVlEBI4gbv3LwXoAcFsf_KRdhcHci2Sviqjcsyt4fNuRFUfGhdCsLqVwWyTMIE0.FvxXeUlzlaW0EeAZmc0j7LwoU4YqSt6smV56WSGCCExVbanhC8oZ20UjAv.z_wfmsGSHe41Azqn0LAs4LS8H7BMT_a32D4WqUa3wRB4.eWve_yiHQwgm1T5CjOQ8NsI2sw_xbY2wOtgRujCUVOCD9BTuTrocgRdOp4bIH4OJJjdLbtLawMcQfsSitii0bj5gvNbTfeyv6fjibR4u_hJ138SFEDJpEAj2bLeoJR.U0_nD6VDxungO4qk6N0Mj.yo9eovK5IirVYaTzdpgR95sZDRT5L7ZLieIE..DDCo4h4BiOIpzpW__P8F_ZNuwuwxDRElZFwF.YhMOBv_w2Qs.aocWcXjPxPL_FDrxmd8wxQKMi.gP7vUC5oGDn4kwNqk8V3S7S8cpfQqtnJ3e4DR_6p8C8OTJyMQwKg2ddzTCfYA92lIU9p29QNXzy3GJQK0tDXUND51lzygrst72O3lPI6Fq6P2H9UaLs5jGHZ1Itz5yriGDDuKG7TbUGOmEKKB6QG.yMfNnfr7bFMFV4Gdg88yKajeB9Ejsqnv6TiaPdDwF6VCtTTc3W0WCNQfLBiRFqDK4Tyn1_pQCjjuLkxO3OvX6kGZxK8Ygzms8kQ",mdrd: "jKg424ydV1YDjxi8EX3XL9RgbGX4JGAj.61Rt0ufvPM-1749151061-1.2.1.1-92YWDJ78timF98rHz6mehBuaGvUblR3HKz.E6ExyKrFxX1ig3eMOqpDYlqUCMyCOMe2nNk.yMOLdhRLeFv5673egbXC8KoqXrZwbOoze8ia4wvja8GECLPBNdbcj9nkJKJ2TiultZY2IH1hVZrc82Zxg6Rhgdo9coaJ7WMoMAcI4.qE7kTxcU.ym1ksRlIrxXRhC6x.C7.FRzX0z1j9Lz_5tv5NKrNHBXLXI.xxvcgws9jtauSERgVlj8DeRUSTs9YeaG2giOGelAZCgPmz2Eidb_65xO9jKvwbq0AjnE6Gv3AaKCGy3h5EJtDOAVvXtx8oYMyC7RXe4OVuOLJuoNox36jPsyHmjJSu1ybDHg9yg0dgMFumavZDfohNV4RVNCSmxS_Uf7pgk5lOG31cY4YGtsFW78YziC4amA4uAjVPuGarWcMojVJU8VH0HnbkXr1OKcifamJnPqY0JT.1H4F0scXeAHd2dzAV8hkokcm.MK_dvxVtiMc2k.uzjcNvcxK__oyF8H5Hvhq8LWehY8c6DDstWUBwSPecNy3_NLWDYVW4yXMTZ30xyTh6.OWA9OTUhxyO_AVCtPsRii3flSswmY5YQtXhNu7WHsfzDFjVOL7gBlTRchFVitQ9hZOrzwMqeiGj9hPlbF7eqTsg9H4gG5seCfCEzM9TAGKudyTYQ34UiuAtF._i6pv7DSuVpYcoQfB5r1V7J_9afGqiCA6PKZ1a2XFPfTRfNflpH832TSMPbpJOqz0JG7vCNc7AAP4qs2Zehpq4M4rMxak7qvw9io6UZV_RTl_yrE6r_2RWL38V7KIwzUZ.WJJZXTGbxUKkYAXIDDqAVocvKbY8gLsqyWNOKXqE0fnTqLuNa4MaT24oY66HzyPh9kV.ySVMjXhyPx1OLgOgbXR1ErQzBUM3ET_Qhjcc2XDltulW0r29h7HtUea8U8EPICMEvc6x9UD7SNr4kXaT018Q9znZL5seyVrcrE2_rxgkYCHaVkVwIylWpTfnin5gJMrs92J.ZNooZauW8c3ogITGt88AS8NjGaMJm3qtyythh4lZkH4GdZR5Zqu6y2HvuRk9S3TO1NsFzFwjXgBAxfeT9GUtEz_ookypEOKwpMwjlQppb8aX858QExfZAfAUJm5RoRQdG_EZMG5CZquHZtFXQBq7U_iUOxuC.cmcTz3zl6NGdCq0l7Wh8xGEY7cqzd7GaWMxkj6P8IjZjRQlLWIlhWyIIUTUX7SH4pPDhIDLXNwkHDtXS76uRlMfZgMJWslrAo_XUj4gBcpsZVakTKBX.YOvXfNAd926RPeCXwZ6zS4fKzokVvGI9YOjC99T3CrbyQfM6X4jI3FlU5FvDgOTW_ZDYimVRY_F2twHzCud2Xp6TuOq0Ebw9pYiqeSXH7Y2VUs7YAeoIRVzaddDlvNm1pZ7Qurag6Z6xb9Fm7htCCNAHN_T3n8jQpP9M1eO52pHU3v7.kXuetcsVdhrDFEv90kka95varO06MqEgFN2FCd2d2f7XkPQLlsklebMmuWodVToi..DwPuWDm2OTSMQpoZ2ay1p6k9J.GcRFE8OZRgup9WnavsTjtBwyutOL30LxEK40VY940kNlNeNe.8st3eqLyE6mjz6gIhfC5eXlIxa6ZX3ggTn57BLohaQhWyRgquSMLPkRsf243uIrIebX2OtNxUmtdBIbygSp94cG.2zEswJ191d7crO6Z2T36sjBn0rDQCJq4_ACgMOSJK1t7JYzb7htza6QMmG9ZCWa.ht5UglfvxIR36UXiGzMAkw4fand8vcmIUNK_MWNwBCSQCUocHC9aT7vwQ8e7YzFpoPFG1zXKPkDZwtn4c9HVM23XN78D68OMfTGY6SLTLNQnogMJEXycSPvLiaHf0Ff6Bcbh8U"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b202f92cc47ffa';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\/0617258394?__cf_chl_rt_tk=eQ_CNJ6wqNxr62Q9Z7rtEiuoj39C0xYA46Hc21YFoLo-1749151061-1.0.1.1-ydpbRZ7MW6fz4mOXfj4BWkLscp_poKVmoNy4wzHfxu0" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms