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-618421724944.mit-edu.top",cType: 'managed',cRay: '90f815652ce03b26',cH: 'fy3cDpYIPbcr.zZuzCzQNrpPXOm1JXKirg92W8P_DRE-1739148401-1.2.1.1-yqyCsD_Uw5QiNeeTyDjwo_pLRs.nn1wTijCJhNzxg8OdpzfelOda5oMWRW6F27Gl',cUPMDTk: "\/post\/3652089174?__cf_chl_tk=D55YqghKJ6MF_J49ipmhoiRA22X2VYZyGK40QiTZpig-1739148401-1.0.1.1-XQpqdYKHSnk_dZZCFec5IVTGdllHThh6mVKFbDHl2KQ",cFPWv: 'g',cITimeS: '1739148401',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3652089174?__cf_chl_f_tk=D55YqghKJ6MF_J49ipmhoiRA22X2VYZyGK40QiTZpig-1739148401-1.0.1.1-XQpqdYKHSnk_dZZCFec5IVTGdllHThh6mVKFbDHl2KQ",md: "0HMakrvqnsPAx8Gpq6YLG1kdy2zr5SJ4QKGIevOaSkE-1739148401-1.2.1.1-BqURXVyF82KOTb3jB6WsFUT_W2pczJZuA62ISjLXLz_nFjcOjjMyfogdHZiiLd0LYRa0c4L0NGPdnka2uPCtsXyyxpEEy.6K8wJ..q9FvO0FkmBqQzwH8VVHHTvmcnmXHgN4BTslw0JLjTljQqL56G4rMq6sQnhyKGwQVQ2qDZZUGneXJnfdSWt_yZXWnSBWTmKeT8N_UM6Fw_W7HmQFISRzaGUrYLdsKsM6z9SaQynk9ORx0cmtyYZEkJMRRcVLBTbI7W5FJswaY__oVaa6DvhPcNEyeXYApLb9PLGINe3nP2F.GtYapVtXu41kCeaL66E9P99fl1EG_wrsKs4H_WU6uQkzoiq5j24um1peYaIdxbcMMRxic1.d3sbfsuSGyQWfDSi6TAEV8_owybDXCg4HK3Wzn16Uk9Jz8gLBlPmnUjPUypKyNkubVtxdtfI6NBYyVyTW75QXJmkhNS_zFNi1GO55jXgXKNAwmtT0F648F2UDso5QuajhnhsifLiDnMV6GeX_IG9.U75xUDrPX3QCOo4QChVukUMa_68hDtYmaNTcRD5Ou0fJBdRvkhd_ImmQciRgTkRJmPvfbSD7XtzAUnshwSKM4v3yRjpntIERwMGIcqoohbXX5qYwDJLLfeBkzrdePg9Ck6yTKSqKcK_wtzMkXveBaQxWITKUrv0ggvMQ9Uz6E9RhSgKC2uBg0_LOaHsI0E7wLLtzg12Mua_665NCDFCJLuM5eOLkfsSxCLbKRC801qlcnfOdpSvh8nhYHS_hhZ7Xebzl8axTYXHj5blKsRZzh2pzq8o808jyKRwNQ4OS5tVEdfyoUEWnYvcAXWIr6c3MAN6NF.._jhb_WkFBHGdT7jQHJYr3x03_01HXDbxJeeKC351Adi.qxKMwqK9sopdBKLCLwdO_PNVP5Sqr1ftICDSNx5q3eREJrUQEKT6Fak6Tlh4ztw4iFezhh2kR2wIApTPWkj4LxcquQaLG7so6E4q7eGf29vtN8pf4.lIC_d_QhF7LdvgovFWR.Yhdf178XeFeNaXuLxswdiszO_.nrCNN4ZoH233GDrMfNFxxi249cUQRUdkXrXDRkAvziMjorGU99h8Fs5D6GCXeE.Z27_G7iKtf_AmdpiVVoCbOkZGjoK.DD9b0cZFJS.ehxGwhmr3iPgBveFhn.qSa1OnVTlRF5cVLNV94_ntCdnO9VY6klYuKDx56LB7N3jXsGXyPL1iWockFZh9d2iXhHsEKEqYotF0tqvKnEZnIjbPaPCKNODkP2jxAUx69OV14G1ROwgFuOmVxD_8xnnDNqMWAIq4f03Nz41g5Rm02Y45VxHBm3SYNrhqwAQwUIHhMQFNb_ipb8KagyoTw1NTPaVqo2sBwyDRReAwbIv0e6hw1QzHK5BMEKREUS5C5ldDegf8SVypDqUu8MJEgs3KnG5IB8naJFbCpnXgvQwVuUyWfbCf5B.pSRUjdUoDnN_kWCHKVt429b67aAVtF1aOM7IHMnb8OP0f7XG.b1zP1H1zUthb137ROYd5kyt8oFKtN9uD3EAV0HMCTkWK_F0BAeHvJ0TzdGbLAlHaamtaMe2Qo3.G5ijGLRimnyT_4y4YiqD9ZB66UgL_lpYyH7UqaL.ZPSClmEKBjvAaPHFfRM7YomJWB52foYvKYL8ospZNvKv32M1GTLUyuwzJ5nSBeUWAu.DyRLCnv90m2ogD_T.F4Sf14M.YrZxlp1h7_BSbBtnivVhqUme9zt3pfs.Xg2U8QJeTnPwsibOBqy68kiBvMUsXZaKydUOi2twCjIreO.f3pd6wnCtBN79fR0jtYzhmxKXKLplLN_uwjqkBMguIDdCVUYjfR3FlppWvL.RIkE7HDTyPRe7h7d1UEDhmI138HBti5414gw5_jZYZYCXMQp6lL9B9VzBdsJ_fO.s51XV8ErRFEPy5o_kq88mvqJX6W21jG7fbY2d7OcktDTw45dsWkg9uh.pKetI9nwl48tgPnrQor1pB3kk2DJBZ_4dWXhXRRs8IJm1SX9Z87O80dEO4W3xevXcHm7pcg_wTAn9xBXzGrkyMS39JQ5.MCV7FxBB591T0SYVFq5XahhRHKms8.XDPrc_E9WjUKsXfMvzszwCilfXJSiSwdXBa80ERIPdTi64mQ4CM8WWL9ji6_tm1bpwO80SqwhFfu61nhLAutFG0xxC20VHJ_KQPI41S_8LaNAED6k82edVgEEOpkGJZQNTjoo1TX",mdrd: "kCIXNixDkEIIhJ54T6Q009uqRr22HWPNaWmwL15BHhg-1739148401-1.2.1.1-Lc2.zdOyBdbZYcjTNETUJaq4RxYcGtpODaChJxkxQqAVtziFA5cpNr_Qbp1KOIP5xj3kqcCyAdOy_uNbsKvmlDWzzn7yYLEMGcKx4FM8edyEch08szz0tRfk48NOibbpoxJZdM9Ixm.C1eRMWjHJ6Te8.rk8LRES.o4qB4RWrb1Ihhx8MAdQv1cNPm_ZfinYUZcTxMeMqK3CLsNTCu_Ho1Wv_RdwkgiRFPUR_beA7Q9XWMrDt69D9XMCstkdvR53zhZFtfrUFoyXWygpG1LWGfZsE6UIoaS7I5i3XGb8duBfwQNGTcCx_2MRFMeYWsXtmKIefCSi9DXjEornq6h1uRwFHAbwHeTU9rO0xx2nO8Y6YCS49QnsfcmWTjobf0EV6ZVmGGKYZ2dCC5RJLIr6dckknGUs32TDuJmd6gkv2Cq7JXP.UX0H1IX1EGjdb6yqVvSBjmB_YgrOnS.Gc7Su95zZJqnksziAYa0TUkb7dUHKmyqc_WBEePEJdZZ9Laznz889VtWa9wI76eaHuwnK_TOMkIlbNdvfxFmZDt9NZnExtM_TSuJlz7BI__avuate4UWj4dp9EUfY7wS9OfpCQ_lgYC7vrwSOv5xI4Vat8O52yRcYHIIZwItJxTt2P9AD_vH7qMTwgB.uHvYzax_x6S8qoreekSCVmA2NSTh7t8I9fPoDsi9bUZ994PhEsI4ofi9TXBVTNfuwtiptXMBRzOEBXqQuQNYuTvZ7.T_P07Bem9hpPjFU5eT..sgpbR9XzAxID8TdiAXKfNx.kiaF1GKpG_sUF8i45ZYaYwYqe8dhd8BaZNuf7.GapwyJIFDVJUiBeuvQRmlhYU8Q_Ojo9IPgjSAKrexVm2WhROKybeVTfBkYSnFsJVrBE8lSW4jAZ0GWrb_f64n8tfLdQxqsSDcdsR_nvHIGCC1xOQ.RgNwAcFPLYwDneZgUSmtBSp7yux5LGAthnqlRn9uXfvWb_8gddjFoOgSzw20r0br6163IpRcUckQZzlWP_AOmuoo6EWLPqeF1LremmucJgN2SDNGKfopIVloqKwnY2DOlcwzTj56W4o.ke.mOaWDDJin7iBXDZSJe7TaBpqpU6smwLmw3abBE7Q1cEe1__8O4iV8F.wE7eqGuvpUjGA.gKm3sc.dHU__K1ib4D3sYXobhrhMlhxB4EHV68QchnhPeeqgwuy52BbDvYBo2HJimJVc4zbr.8O8XWmewsNWXyEmtTJca6DVVw5BePowoS0AVF5GreCGCXzvqyoW0lHB6aCpOH85TWC5U7GJO5lVS46JoFXjJ069WJHh1n3hMfHmGITIGgu4ocknhwdD0dYQ3dpIyE5Lp_ZoC2P95Qw36Dck0s1M1Lm0ure93Vb.YXDgnHaV4WV3AKS_nk4P7ni51MOtNgyThtJo4aXgs9GBagBJSZeIl0SDocJZAIlet8OtM8ihRqYEjnvkCXIpuoZyUaXqV5ASICNl4WyCOh0WMIIB4ieR4H8g5QvPzpwZA32vAPBoIGTvWmzC3ALxC_lEBzXji7n.AJ2ZTDsdelquHl1rshwYwqFfI8jm4yA61vAxPUx7lzibZkL0oRlDsLJjBIwQAnYZWnipJ24iuOdPW9nPZKEmCdR4LWc7Fta9Cr7ioMuqbZvktoerE_lHUOV61HWYuntjlMQ08rSFKjHbFDTi1T_meXbalMTUlVHvH78Vfr7Wfl1_IAKOfwqWiz98J5AUi2cM8tndksmh_GebR9z1aL6XpnkU7Pv_sUcQEnSc3oqMCSNQydX0Mi7J3RrPA1uofwrRu11LDixWIfyTj5GQuIOyVSnPckAZ8TsnCTVY50sc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f815652ce03b26';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\/3652089174?__cf_chl_rt_tk=D55YqghKJ6MF_J49ipmhoiRA22X2VYZyGK40QiTZpig-1739148401-1.0.1.1-XQpqdYKHSnk_dZZCFec5IVTGdllHThh6mVKFbDHl2KQ" + 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