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-304269917583.mit-edu.top",cType: 'managed',cRay: '90f367d73c0d399d',cH: 'D2zVIVhJM8awB4AWNhyAGgfGmpGuTIHKpT.Cgunt_0I-1739099349-1.2.1.1-x7HjdUuVSf4ZaRLN_JUEOh1kemgBKcS_eibX5oXJAa60yDb_JDguUqV0nPf.3a8b',cUPMDTk: "\/post\/0258641379?__cf_chl_tk=GP_t_pYUBKwC9d..mGKFwvKT3vJ22eG8nJA5F.aZiOc-1739099349-1.0.1.1-Dk8GWhJ3SnEej8R2lmqeKFjuMUGJnKRncTLAFbdwZDk",cFPWv: 'g',cITimeS: '1739099349',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0258641379?__cf_chl_f_tk=GP_t_pYUBKwC9d..mGKFwvKT3vJ22eG8nJA5F.aZiOc-1739099349-1.0.1.1-Dk8GWhJ3SnEej8R2lmqeKFjuMUGJnKRncTLAFbdwZDk",md: "BNHSqEGXXGUhGSOAIb_Yw7HxSF7XWqvtMcUklXhprYA-1739099349-1.2.1.1-ByX5bRW.oKjAzwsY2G5khfq20cjux2t0m4bMZfcFZGCTwt7Nb.l0Gz5c866yECpmuASkixqEvH54Qieq68.jmeDNpuW9L.wXyLlmGETGLouaIwHp8c8pZo.4X6M.5ARjWBrLzjp4.wJxKQCTWU_IfvBGQxciz_P0fQ.8lJ_m__5iZFtLahqa9j4MSzQhibLJtZhIMXzA.eGo4J6ky.jwWn0iF9yO_W5ZF6p.M9msYYSDc9gKds4vEGAWSBnRLz085x9MmvkMf9Opcu0o1tsMgferoeWHV_4ULbvHkX3PyR9KUsr8NTfKqFN4bL6xP98kqNDLHWFlgkjlsfJV7TopoOdHgi7KN0ateFDs.x92a4RUSn5FnKFUArF48nd91yutVq00u973F7O.XbleOqytK6BaOYiTcRAGHIXKB8cbKM0eSFBeuI..SdI0eU4sE8PgNmxaV0sRrwOQoq0gbHuSYP8HykXabU1NMj7qISg5A9zY4mU4xutVz1mNBgATlAZbjhVvuaKRC8GLx2XLXXhtAQ9f1WyEyU2h6bO9M76ql4UPXnvBeHsQmizqfN8chkVF9HVBz5E2RZRTeUD4e1_cDuHGni_iAltuY1lMx_N6g.tY.wYQz9GouafnFJZdeBF7IekRACK0MqheAVTfuivi6_WTF.UYMhcW3QYB87aKY0QlF2fmpE5ebEvI2qzr6ardZ_LFWgTyWtQfLlm4IaQzj6Bo58kyInnAO_YSHaGhzw10Be1AyyHLLKaa4qYqczjGIqwflqABKeXgizEbXRhrshXa9OfMEsXHJaDeUFA7k8G1WoVl_Z6QRgqagDTtwHblRaCbi3xXanLQzgiarU7AoN.VvT0OQHkOB7Phoy.5d1VLC80Y1BjCDOzTc7H0hL8U038t0fOPxJ6NB.YmCWU20bS9NV4IOMUhemr9qKMuOLR.lAaDJ97rs0LptfAY4yGIf6k8TMqL7ayW6yI5iGbBTtibSxzbBKKzvaxCiFZqvl3FkDGY9U4ulT3gaqorAuUzfuFY7cr7BF3.mBdaxAM3XIYvEoquE4n8YVEAWNX0L_KJoFmkWc2kTGS1q1g18o4yvJouGYSZgIOf2oTp5qYWZYbC_xf56XqqeWhaDUanTEhGz313Lb7bisBSElJQwXGvSfQrxy6jWyZUAeCOTOF5QKRqgA4.KG6aRb02rigfEeWYJBdnLC5bgqs2CnN.QxqcHGLa2zSNE46MiuHMHCFaKWK9o_RkwpNslBHC_0FTg7tZjmWxi9EjJq4gLtMCaosJNDog7CjFbMaqhGzApjuFhvHQIsjqVlilWdTI2sOXiJ6OsmvkatSbniA08NP3qWm2Y7BXRW9kbMSmO1THtaB_gcGJqxeKxfUUe9Qt91TOgoO92c0IwU7bLCH4RDfh2uZn4CI.6S5DCwBlyu1QCy4LSProV2RkHkyrmXHmMRpjPBLABc3tdz7wwI7iEQvffR9l.P_LMnlyTS5Sv9gVG9MwFazHxLQw1tbhQmy4tviMyllGbfniSnIdyY7i90UTiSNbOBEwgv1.0hL7xnZm2VQSXAKO28.kXiuZR3IA_m2uP4Qb_Ti5FtITKWVTxhhswgKs7gj4Qk9eB79_dO6gscF9rI_c14X9zGmkKHTtliHlC5sspkr6MUbM76g.hqHD0onPN9q7PCatrqCNARqrO2a7Iei0oZXssUpPtEasS86aBU8udk85ZxS_szsojLKKQY6HtWX8RivvMdzmyxGfmS_cuXH44TtO52KyinEhTYMj2St4I3O2fZyYs1qwzQAdx6qIfyUITbX_FWsBl4bl.KzchFmu8Afv.rdin77.lljeL2MH4u77s19J99g9XSEXsTzfpXjzOzUTLsHQLhRbBiFJ3NhpOpDCG1LdDctoWfGp9bAV3bpYOXbZLHjea.rkSbX8hx3mB.QP7cmBRCYNgThEUoytrqu8ribRYiDsUpnEScjyq1gNYufo6R8eDZOS83b1x33s8iFd0ljdLG4YTAGfHQ6.MXKEuwdmr2K1MoVcbQYLwQprcjCYgHCFhf.GrcQbdEMgn2NgBZuhMF.bHd1CpFbfhqWk6j9zTi5t.qUTSFpfbB4L53my4Qd8H0cEXASV3gibNUJIb3xhfYLD.4UO_z6tpYOe4iAnUCzfBojRM4C3BDZHG0b7BIDOLSH3CWeJ5HQw5.DGKrT8m.PSw26vHXKUODhVT9gaDkyRut9HA9VrxxRyEZv2ya3rJw59r4FG",mdrd: "_rccuTvENf0lPuC3Wut1ZjvLwst2QehFpJvgJDhazrY-1739099349-1.2.1.1-yc78a4ldQ5l3TDRNZ_XCXDBe67zXD6BqruAVIpD5NFX1S3zd_WNnS8kMc8jug68bXjAQUzjgH2nvo0X2AIPhNKAaU8f9zGD0KJA6nOrE8u61qHSH89mKwpZqmpw9ysepdXquZnYCLRZ4xejAsoiVA2jS_jzanaWUfPwc7G2diZb528vsfdi32JtaF1SF6YwxU0LhUjrkHys3BM7z.TH7cH2VCV0P4v7lFaLVjQ05lEpAaooi9ZsIm0ec8XTSVoaNI951GAojN_SqyOLCq.yMlLSzSarXqmc8hFRraoSxtJ9Mgc8UNeWUr7ioAu0J5CL3xWipl_7OuJEZ1IF7tMGSh5zP7orEWcgPVLe8JbPWIpjwyfzy5EdRVj0XNzS5XCItzpCkm9fdnzk6Qw1GCzhdHyR68Ww7uFgpgxzi5y2Xc7gFq8HBCvdHrYpxggV1Q.dLNu6aVeJ9b5us3LniTZuF9uDtG_zt01Mq6fihu9xjlPqlZH47fMz7av_b8X.UQMkYeyN0UcFRX2jTncxz1eKfEeWNnleEem7QgaUImUI8p2RqvATrenNByMkpfXI_H6rtZNSaH87.pwbPJN5A6qvdTrAXJ_93.BrcVaV960ax59wUW9DlMUiejGWdW.Mxs1Jmt7T2cQiAqWIg_5faCxHD7CJsS7lLe7dWIx2LxtgxPo35hQ0yCL6_4XNzvYJ55rQg7SKeyNoVd1uh_129kXxhjqK4EyR0EUoO3VESaxnOiF7YlvaoRdaKDWZvlSa8PM_2rVIcnsy9IQt7cLlIXkjbz0bRRa.cxlNw3jJWu739jlR1kkuMqY6oikWhJE2NKaWN0ahcbiveqZ35PTG5Szzq6rO_tlmAZr7QoTnlSBLOaI4jzuDFE7ExB__Df4k7tRAX4p33WYySgSIfsvzY9isqSEqDVwtQ3J5hDYxPVvLjg2KeeiIa8WjSy0yOZUC3YhFquz3RGcTBxNG6NvDVilSZcCqkBPvnH0vS_aKDTu1fdQzHzCeXkamkVa7rQOduMI7hrYYUzUSEbNnEdQIPTPcwKxwUe3IzWQXfmKF35sN5zDtruhqCH1iFHzYaHX7lz3n8Wf3MiDCWtCXLdeiH651kWNU68lq6SqfTg5ShYTSrn3z5vK8b2KlpokxvON7WG9321uvWGODfDQg_FO4.jmjMj8.hWKwWgOjY4DCTOcXpVC5Bb5pGPsnVip7MMJm_Z_4emz_pb04rQ9fKI68PTRoB6pqgegVCYujGsU1m6TNqLxU1gi3DqIeUjvBx.6rAgqzh8Lgmc.p8KOqesWOBHLPw7WQBb0Dkr28DOxqgq8VqpNpvFGZhFKhkt9S7Cg92hU_4JncoZ.cac3clx7FuxqoPUxzas3y5T4al6fdDRvNWW9S5mhY4Gsvb3sblwFpecZHrJue4PluXHRJauHZeMXjjHUFoNvLCNvpFikhYLXdTIFz35H5YPpU9fVpZ65SIKb.pEsPhwxR8nV1TPOWLiiDBQswqCeKXzJS2XCmHRmTcU0hjBQddIdXNMqgHrDUstzlenrui3.iXJSzG2ACi1xH.wWWVqw_S.3AquvOiJritFH1G_xoSiuvxxHcVeaKp3zunhbKOjvWw78YtuA0muvnVmIBuV6ue9fTKjZOgBdbggkByDwx1OtheamdnKJm9pSIXa_Gnx3RR.TkSAy62moTEnY7xWvGXWXacC5xcAmzKlYNGjqnMgiyj2s3vkv9y1GaTGUez_sHKUJcOWhM15kFLCRrr06.Q2o5Ub4bnjC2SmAmXkb4KK4kajNqN6QawzOGB57RdC1YE2AH1hbv_pmvo4Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f367d73c0d399d';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\/0258641379?__cf_chl_rt_tk=GP_t_pYUBKwC9d..mGKFwvKT3vJ22eG8nJA5F.aZiOc-1739099349-1.0.1.1-Dk8GWhJ3SnEej8R2lmqeKFjuMUGJnKRncTLAFbdwZDk" + 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