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-515242894811.mit-edu.top",cType: 'managed',cRay: '90f7e0b91d86c99b',cH: 'J4Pg4KZc94T3GUulxxaLbdEnv5.bQhOWtMFTuXCpwGY-1739146244-1.2.1.1-1pgF8GiZG4O3Hl0daECp.5noyzjpQvsS4u.l0mt.ydpd0BtTPF5Lz6vPzfPXTLsj',cUPMDTk: "\/post\/1325684790?__cf_chl_tk=8HlVi72OFwsBmMJXEgYt8a829d.unO5CevoaMRZuNGo-1739146244-1.0.1.1-z_rvCQysffmZlaW3vFC5WtzLUSlC6cdIi9fAnvzIF0s",cFPWv: 'g',cITimeS: '1739146244',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1325684790?__cf_chl_f_tk=8HlVi72OFwsBmMJXEgYt8a829d.unO5CevoaMRZuNGo-1739146244-1.0.1.1-z_rvCQysffmZlaW3vFC5WtzLUSlC6cdIi9fAnvzIF0s",md: "V7yozzpXyjBLccF9JMPKD_iFbrkwEK6mt4WJKwEod5I-1739146244-1.2.1.1-O5HsuE4kh4gNEllOJ2ADsyqPLbbF9AYXVCHkj9mD9.GPqDC85jxxRk5IOuK9Tw4I9lGKkP4bwZPFf8jcyi5gbx4_qFjWJhqHzCWpnATqXTV.3aa1GqqAnHmAblo0_HWHFwXwky9y39bJvdONP54MNF5BXa6EvIoICH5KoEPF6n5t9hDui9gpYBOdAdW3L3ZInnHZZtrsO9yGlV9DVzBQ9gt3t9rt2EKyEI0PG_NOdQE7Et0ZxwD9kthHOMsmnX3iSxo9XU3guseXGeVpaY6TsQUfDX8RD3Kt00n7Q0c5zsqM5eW1MiAdsZY9aPzJ0XRLSchhKyINT5HsUfh27vScVqRezjnXw.QO9zWMWijTTKfaj2.Mn3rk9j.t8eD2qbB.MeOtdyWWr4UCjOa8gUe0b6hk66D6v5vhBxCAA.es8i3epnO86kSiM1IZVeENSgt5rZ4Lr.EDtu5VylJJpYjD.u.GFhHQCocv8sspjA9gIGzsrnthIZG5NO4LYsSsn5kyl73Z6kJXWlrC1Dcj1WlapstRprTxb8WtER9UdLuCd_odKuoiOMc3_JLERXK0LwZkL3CGL0ah2tRenQrJJLj5p1X6LY2TDwp2q_dS3ATsm25Oibw3ztVTbrARwmDp1u_4pNsgT_Nr0AIoP73j8k69WEIPktLNWYQkHE5z7JRgvz8LVkO0g0jBX4WlvQ3js1NlvR4Gl3w0pJdf6kErBFbtjqEHEYYC5Cq2RlFfhPfCC5gy4UTSmL.kC9O3p0rqtFvHEQwuNqFEEdsE9VtnM9UNCP1lTy.Wt4leZYbTkyXv3U8IE1ksCRT7QT1gH.LcwM3HIx76hotYYEH9t1MXJ8KIOfg84.YlwNwQwPU18p1sNvquCiQxZutbtc.zyMA0ZnPPy_.QVrpP3Yij8cfniZ7NRp4meh4Oog9SXy6_qt2050WpVI8FRDfH8IBfJ9Gi371ABa_J9lDeOvwp8ygH5yFCZhmWyLdmI8rI_4ZGyuiJTUOXbUCG96S_Hqn4AzRqvycjJnleL9FVurGgrbE4eAo8Z83gdHTfJgbPYCOxW5dxydk1tV8FiCqRO6xKcygSPxa2eAL2BBedYlrWs_1S7Rt9Msb9JXWb2TDCvj7PBrkKJXfUZDbvlzwxNM1EFUBiF6EHOkyljDOZvBAJ9bjqIB123RtCIh27aYWo8ttW6IHPgb571_02MXQkDevBaztC1M.sge6LYRiAbb3y2FMHD1RnwG34WwjJyaJRhbzFUVxR9SIfOZ0RGLZDyA94PhNkiYV1oO6F6Gz0Uop4mqvIenNU5M3cXisXdmzAodbzO.tcgmhIP5jBFV2llORBCVUqaIxle2WI4d_uc5XT9Q_qi_wPuJAfD88xR0GtpTBdQh1564UYHB.j9498G.IMEKkUki.csxGQleLloc_uvMYLO9xhPRDBk3G3P10A9iEqbp57omEI4GK.3RDeQK65L9DucaZ081H0ZLQWYI2JhHjeargxCoN0jht1YRevpx_bCxV6CBfwnJ_4MfJkXsXkFS8DdCMx4o.om40BaocyJU1IKA3zqKXnxKOJ6SVjBGWA3Eq3V3wJRuHPgzwPC__ZuYXCcCzpCtIAKRnhndmeRM8YpAL8J_HZE3SM0yF77Z7Gmzc18xhnzuyRPLVx5A5UWxv5tTX1wwQgW_zX0MtIpQuDz8ozQgJwIIM51_KBBty.YplUKkyDDhVLiuF5g54slzM0ioCmGQQwfhQBzq_6N87A_kwhBtiM.RY.gYQdLzNOcjQflVZxXX29xM2utzRo2O1A3UsZjppo7c6XmNZVK5xzZqLzz62p7W2Ib1RCuYaw9Anzx_6UWB7ya9j9iiVoLUShIwmhcpcsVAv0DI.Ry8NkSjHnOsdFqwHtE1WyXeiZbWMrpvtk5O9qMm9_Nok7EoVzpqMK9cZgLOin4c7pwMEoXT5wpyv9R_EL2MFTRuerqOwibAdrbIvCTG3EYkDvZ8r3mFHtQPAVL2tQkj06Q3zLlsCg8ysQli_ikeFXGnDOUTbe2GTLeBiTOhob9_rpCb2s4uEAYrUzJnt_gCjQGDLXxHEt8ONZN.cVG96IPn22Ry7BDtOtyxqJNVA3H8eRkVqa_TQCZHnzUUYbfcyq3J39nA0visoiyGcFVkSkHHARM6dS0JwmtcXr4k9z4cEN6fFqyur95PaE_Q0P9k3e1vl71.KM0i4ta4Wzot9XZ90kg9aI7IePKiWIQztq_1FW5qG_w_w5",mdrd: "y6lgdQ0o2CCDpqLgCmfUJzYfR7pIQUvhMfe7AuS7Sj8-1739146244-1.2.1.1-p0lb.Zj9A3WN317o7qhFPkDCCvTagbhlqUfeB52XK7iNl44K5MgZY8y82zvkg4qD85JtTMyObjFfAzUhyTPJf3NE3MGxd6ZSo8wqBDb9p58QczHyIE9CJKmSStlnb3aYRd.er_pvp_4sj9oAgfj4D.kNIudvnlDbOpu93yf9q2TmY5YruhsLPrYMNbX4vAAd0RW0VmDs12kKKZnbo1O39O8.ZufbW.UuqomtP0gDX1XO.NipsQan8Uh6vGuTwpRoLJGPRHAvEGz2nfDS5sG48C_62IsBzD0e31.xMHa08_OUiR0DeRwG8nPQsbBbohNQAs7093S9MUyH8bn8wixvwC4rSU0B41ByNfUIYZtAdoGh1N1_HjV7ZEdP3RvhaRu2ohVCU.NBlQw_nims.MJPtOp9rW62ojYyxCfs.QZpYqTjLSMsefz27XrDBzLuEu8HQL751t1ohy7LY7LO4H_JRIx0mDHFPwVGTYQlzPYMa7e51pSQ_01YukbUMZXTKa4ZIsD042P5iKD0DhLEtsGGSVijTi.Ri5OPHWbbafz53wC2XJQgw4zEcXBFYgtHBTrTCudh..8SFun4r4Wzp5jSHb3VlVaX2mNy6kitfoCOz632J_InWf47cK8WiKFgQ3irkb8sF_ZRFFRPnCGZTcMxr95ZNrEy5Km03IrAIEPXcH9OJU0GN6Rk00azD05tv2F35qrmEMs3NJv6MuEzH5T4kdoRU0uGqe5TyF4aVaAWPw9zJmgqO_6V9PZa9R7XUZl4Q9RXvbrAXcVsFN_5rEkciOnGA_EZ6BjyIA8YvUU.9euxbXyD7BudXogmhf_VlYfstfd7eqma7OzY.dmhmvSSmxFoNGMdBamvmSXIdcDzsP6VNPhlkzf._7Q_vbfRw8sYSwr.3D_4aWj6ON8f.jFjVWlEM9eFrzeFex77R16yfV93wyBbY8W2sHZkD6JPiHLhOj5pZwp9u1eXYzF1svfCc8ppLh3IZfzdnVEu..GceGuM7hrnRMSiTltCqET5AeY693E2cswTOMZoAr884dyi_7ohduFSljLQ5OiZhGBAJd0WRefTDr_awKci.PQMZO9Vx6M4fNE2AhyFKSn7B1hCjvPlYbEqKP1dUodw21DZFjcKKr_Xmw0R8AY9iwq1lMsmwcbjTL2pW87ZUaEE9HsysG8DYPP.oifjJSbToaHdQ61XEi9Af4P9_R3P._S8qCS.vLPrgGy9SIDC1HsgXt_awQ0m60qGK8QfSLM6dBbUpIVKiBh5p8rEhBobQQDYPIJ2NH4gJZ9t8VYTxe0w5V8T7gINFdQ4zXg4QRn4lmcIg7hTfTGDOrJH5DRb__2EnCoHDzaGZvugeD0uTxyIeivyC0fbM3LnDsOdhlQsgcUBCPdsbH9hbvEbgu.P4foT5t3088ZwAj0Ciz.F8eU8CsV1yH9snz9hO940PmQMSura100vewVrk.4v_LouYmgfb79DLTDw_ZG9woC4M9TJFfBYcSWSkNHTAyJ4n9Z7mYG63WYKbSpDJ6M3lZ9MWmEuPczhjR68MKlivQMIY.IUtH21b4CrDIzNkf6iR_EVchY2XQZZnN1AfF6pTLP3kpSd2ESxGqen_raXcZQmGsNw6MQgZe3hSsc5..XBFCr8BzPU.2Q8XM1n_Fcr4GQqJI2CGlS2NdAc6.kP8Se.xgbKeFRA1vDVunZONqJbfvMFhMxwvSN9LbtIE4wVpfbgml.jGOEInBdJ.L4oDFCAGYstONWLvSt0GDB.fDqtPiZUJBrFTKGFpiDtg6m8dmKIqDyOSv22ikOSnmN55muUsbeEp42twcnXrzu6L4SzdAAB.5rop_c"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e0b91d86c99b';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\/1325684790?__cf_chl_rt_tk=8HlVi72OFwsBmMJXEgYt8a829d.unO5CevoaMRZuNGo-1739146244-1.0.1.1-z_rvCQysffmZlaW3vFC5WtzLUSlC6cdIi9fAnvzIF0s" + 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