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="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-550487075708.mit-edu.top",cType: 'managed',cRay: '910f7211c929d704',cH: 'U26xa3AN8fQDR4NPOBuNSnwjVsu9dRNnsk3fgXilph4-1739393369-1.2.1.1-5uBL2ltZiaz6c38Q7bkfMbEhiW7H98lyLfrHvrzNuVISud.55kjOLAQ0.sNRsrUs',cUPMDTk: "\/post\/4816703259?__cf_chl_tk=eTJDPbRDeso2hwkM8HqXBfMkmNzHVYBQFF_eF9Qo8rM-1739393369-1.0.1.1-31STXsWUV356Fo.SHtKiotqcHW19kTd__z29MDSTIOQ",cFPWv: 'b',cITimeS: '1739393369',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4816703259?__cf_chl_f_tk=eTJDPbRDeso2hwkM8HqXBfMkmNzHVYBQFF_eF9Qo8rM-1739393369-1.0.1.1-31STXsWUV356Fo.SHtKiotqcHW19kTd__z29MDSTIOQ",md: "sUUExBk.jUuE82HPlw1nMRd3gEVDZdAhnH_22Kr8Hog-1739393369-1.2.1.1-z6e9hofqE3VlP38jTDeOCn7HPLZ2HEzVu8eueFWry6FeBFA1TknSFY9LGDCcGEeiCqo0mvFeJ8aR3b9lV6BRQaH6RkJGbp6y68hyojS9TOHmFcClCeTjA3.2AsA48XX6ayvrN51encxtfYSUNiBSvdo9E_rw0MZIyLq4U05Ye0YIKXzd_vg_TGelRzurEJzCF5oeHNT8mEv0sx8sUOyL7MH_gcBKtXB_3XYzsBkWQXHjRmAHjWAfnZBaDzKJUyepn.b._6g9vs9e03zf2vWc_mLpw3IOMBI7r1TTahVPF7BqMFLDwfhbuRwaX6ovsU_VGrCxNyxwKUspOOGK51uA48LvlZ5z4vM7Fp0_Z37x9qVc0tEST645_8dPkf2umPGf6cvox5bkIb7nWh8Q5TlqqDrBfyHJdB_H6GHyKMHEaVZKC5k1lIJjy2N1CMPQFuObKYIYlef1fTuOfpVu2cS0Ovq_AUoBoH2obapJODAOL.DtpYDstMr0mNIR5IUKQ33T1hWQSqMjDYOJ5yJ4PLgP6ZWptiECGPwRiFKEkltNzmWTA46sfWICJ.2r._KrnmAIaH9l6DODP3bylvm.JDjTTM0Hb3KCuNWRQBKvAZEAPvcOA3vqMr0homve84ZWj7s0If6WVWD0qvfhIRuUff_gd5LB8ctF6pddx6pgC1pTqC6nnjf76FpQvb9xphjLHC8mYHLyFLmyhzuHKnhbW.U8sb7IaWbHV6PkLmrtH_YAXwdfFzjgHwmjlC.axc1p6HZge260FaCnzO9bDlov09PwWTG7TuUi9Cui8wahb_ucWcLxadrE4se99KdIPXvgNP7Xy5Kk5X2DYm7NUh1F4TwDIKok_Jav85Sy1BBZkDBDo5wxVqTrSoAueTJ45G1pnzIcickcusE.xCxfK9Ji3rqrvSQjex7WI.EucEQYaBkwEZSqBeHj.UPGgW4M_v9HIQBdrb7VofvQlQ_gNLuIKzeEJRsK3r8Ok4qlqJ3a5NHDODSQmptv_TInSihF_HhoVaHxQcIqkUgZx2E1OLQUyyFeGQ9wJT6q2NNmIZQxQJomOZAjwp1Yl9RSWcb99a1Q8fgYYL6HiDww16XM9vYFmskCJGW2GbAJhTxfHhbD9l05Slehrd6UiqjqRrJNsGtJLtp_zQDmP3Z.FQDeo4jk4sXL2whB5154ckbWAELqvcqVBGWriviNe4L2zzDAnVac7FC5lFQtH6SH_CowvHHdBstGEVhqA0Timl1mHr6uKA33NhA6ZO0CtYok6RqIW1Ex4r6la7SNUzaXiHxRpYEElaXxoIc.O2TVjeXmW2B1fgvztHzLrKXyZOaUhmG4oIlNDPQ_naKIh2D_kKGYzQ.7_LJGA06mEbZqY8R_m5bxvS7PWhRorNoolfIPQg7VtMQwlqjxGfplT3FJXeoW.XEP2ckBrii75LIXNFzk05_d6qg1.ebV43qfciY2gxSVXhDj4gQTDh4AAK74cXU4H2usY3TeyQftv_6lpU3v7AsR0VqxaaOeJ.K5iRrAXi8qlVkwIPhKFfqDPrNnufnkBSWSGKB6YFWda4IYxkfrRZwH.GkcFxXBHlnHiVi0QHxRxRGurn_bAf0E5cFxwIDrEhY7VKhoVA1_deVMzeXyxcNDOPpj6P4SAYPxg0.FOUYAQwIa4om8W13XIdG_qt5mP1gRKCDNOzDMq9xD9pRGo7EdTIZKwOL5bDZca6z57IlcMTV6RTetZHX6T6KBAaYs8tQiwlrP0fJ3hBtenS.ztrokcr7J78HSIjBiE15dVCbDu1DlDcQmClfUpk0jcTuOxscK4d9ydq60lBr3LCTTBCBtsSGqo6VOO12mAQKNM8WAgAuiMwiOpUFKj.5s8dWeOnosEUuZShlwqb2L1oUKYiscGKqk_.ZCMuauN.NgIpR3tADwbEfCvhatjPXJ.9f_yCfcb8QvrglPP3swcT2xdokPHNs1dYB2SUQAdWuWY49pJIywLlh84i5X1ZeoSm9jalIDbzBWw0ZFl7yr191i2YFVjVF3GUyo4..sNtG0UaNDDyebSARc7r6bwzIDxcIz2z2DpSQDJJEQF7LLoAUMC0CZ7WN0XtKcQMMP38H6SabtX8EWxjAeUH98f121j6NjjEIDSkJIyN7wXnG9cakKBICGM1Lz.c70K6iSZM8Cfq35WPEtMPmVLShTtKV0JntCuXAmVagvy_oPS0P25Kwt94CnKcdwjm6uSBW8O.8n8KCv0GiVbAIa",mdrd: "k_DiHpoQs4V.3ce6Za4ysuTvO45rA.8Lrjn_oZ3pG0E-1739393369-1.2.1.1-FDcgDPpvJ1k7vI3agyR3lEWhOoXPX62Uv33mGoLF2tgi9dGlNfuroU7YuSwH.YtEZswxjHFnvvBcE_QWsoZfsFHx9v2ncyHm0cjLObSoIz7Bfx9B.r0pKMSoxktNXPKelAcAuOFRiPL04.JMRrc.5lLd.rEoLQM397CAi52A2aBuIY2nv1KfLoD4Ou3DFX88oHvsoXZe4oLhjLl93UnDecbxgoxebFfHwtv14TfLY56XkcRtCYv2mhwi.P0N2V0r5zLy._stm3M.9EeTJuaeW3zI6_Mx9sqR8bPxKNc8PYWr.86IkhYMOnLAw99ORHHUrhOG8pSUHVcYkxz8g4WaqB94U1D4qSn18E19aeZcEmt1YjiWfJJX6UNHIvcN8g9qWZRg5z.1Zkzk8DNOnNOnfdcLejmJUfvcp37FH2RKMi2IbW.5fU_YxvKr9w0oPgW6H_Rp3xMPGYDHxrvcN9shvMrQXhKeipXpXORVSVeKrs5vceM4T.dOeWLm0yIwim3GWqiMWHzjepltVU_QqGxSwPesHjvDCqk8a8rUU8XTk.T6cH_.zdAuNpPzTsYGfxs.52r1IqrA4lM864lRw7Nyp5CDsdWc0GUwhOoyQx7iseAvBAJsOCwmWDTdnMB5QkQ0Oq7jdM.Sj4rnOUimC1fJNdL4w0u2zKT7LbcO_KBWxqMuWOPWlX.mG5PvT_9rRhmr3rwob6xRq7XOvKCHf14sJSadUUIubzm4JU7QBs3kmyXUFPBSwux1s9SeoPrceW3E.oxpohu7QC9p_iI2..ikE.Pjn4D00PcdKwDAbVcVNMUWQhd.QW.93NokbeDfBaxhXo5zbMvfJHV3xPjflfHqjqKOGH_VlBLViTbRDd3IYn8SP2y81kFu.8xvO_F_jSY5NV0sQGCXHLIgyYEoZ9zpMlSETyMc98SfhT7J_tp0aAb_KvPUiQPv1VLkeOfZAFA58Z5.2fFTyjrZipgPqR1IDCfIld1e8NmwUyRuBtxZw4_plEHI6HelYOXOYr7nqr0xO1zDyUi.KujRYbhhUxvlpjtXFTAX0CQuafoznjzknrHNCDGjmZerxSaT9dSyytr2t3WKb52XEFefShVEiwAHfHSKG_eiJiFUCXXn7nIJHV23GQE_fbZNkhYnwqtR0Na.j6aL_V6XIHe0psPwzo.jJP3KnmNdxRjEuSz7qQF_MSfdyRYjD5U74KrE1nrld.E.AyLH4SyUyD7MkwSao3CyzVnRR.ezsA4rv3eTTyGKh3RpfZhhpyAFnJJ4P2rj8FPoA7eQ.RiDPSHpDc8CRDzzjwGLqOUSX7pJ1QjxIevQ92u_.NMX74g5LBJT9TAZZH.glcD8Q9PMHHzbPGwbtde8KPxUU6xrFT4Y07VJ_Q_tpO5Kv15ZNCMuAjLK5ogQkVKKmNJFYheMMvz6sLFcL7s0QJBtXPh0VYNvJuZMk82191hpwa7F0qWWDNIqqQtZKCs8cg_Ijnr53b5ZB0coHWyUHZE7ikI2iQ.kyQyS4C4OSFpw0ApH8e_Xh4Bqp58z7cL_9oovXaN.eipEUfEg3UCE2B1_yjlOwDbcAXNmOD6DmrwIzfKDBr3S1Xqersp_Mx81xeHh4dF84W6X6O1shL_O3_3IekfMxlfFFoAt73WhbgXXHxZKU0Y6A0ilDVlONGjCUuszhjiAU3ze3Yub428fBR9R5TjJlLmgp7jpHBurKs7IvVQD6AMxGEHHh1fH016ajtkvSVtpAO.H6XIHOr2zpqJyDds3pYOgnM5_VlLGi7XxVTVbUCCEVhuZJscz8A.KIerVGBQdONSydsUVSdPBt9b3Ulf8tqdSz7dFdNcvr34"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f7211c929d704';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\/4816703259?__cf_chl_rt_tk=eTJDPbRDeso2hwkM8HqXBfMkmNzHVYBQFF_eF9Qo8rM-1739393369-1.0.1.1-31STXsWUV356Fo.SHtKiotqcHW19kTd__z29MDSTIOQ" + 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
