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-193956691148.mit-edu.top",cType: 'managed',cRay: '90f7f6a62a835a39',cH: 'M.5bEKVdfYVjDGoxJ3loadLVeTs4EiT_W8as6E4W3Jk-1739147142-1.2.1.1-EefAjSph8bMnwcxzY_UqBmp4zQRuD3U6qCvPLswgh6opf_VO1MJ_EqVX_HsY_OOT',cUPMDTk: "\/post\/5207968314?__cf_chl_tk=wxWc_kkIVSpNL8zOIP2S7LAowmVEQc_s.clxP43Sh0U-1739147142-1.0.1.1-AD0mQPjy3SLGQZg5iUB8kXu3RBjqbl7uRQekXxMVGSg",cFPWv: 'g',cITimeS: '1739147142',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5207968314?__cf_chl_f_tk=wxWc_kkIVSpNL8zOIP2S7LAowmVEQc_s.clxP43Sh0U-1739147142-1.0.1.1-AD0mQPjy3SLGQZg5iUB8kXu3RBjqbl7uRQekXxMVGSg",md: "zTGZQmA4RwCma2DtyZVFQ8V7vUSNlPaaSnE6lr9NaNo-1739147142-1.2.1.1-EotBnXTQbiptRn9LOF9_6TqYF4GSaToTF0i2sX_0cloi0lbIh2c31_0IE7aRgMT9YZbVbMcs8NxbEYA7vexuOQVMrNicKM8ZjL.ewgnfPLymj7MTHBF7rNUaVtoZKp_B.Pz3APSpJIJqQUAQL4mskp8Vk7uOPa37PFgucGq1qV5nkVd0lsmr64xrZuHTiKJjUcu_CLeyRF0KC8bSnXNdcrM23n63.kOPmBJHqAPHiOnrJyLt.btDHJGSr6On4vORaKuj3UmL5ouRLpREMTLmero1ZDqIJI6DDif2XMepjqxXv8pxd2UkGxHUyfcJzQMyhHGFgnT3TUTkE8mH_4SPmYJmlRdRwSYbeS5copGGuAgTRYUYjgC677MIhySlaHXqtnGQayQssxtOrjZg0PLkHeS1Z1Tneg83dwkiZj2pbXWCPU9GHGM3h5Bp60PmL0a_iiOJp7R1Eb3gtO3XIgjPgKpUOs2A1Nq0PTd.dM0mIrfVUoWVjjdfAPG4OytuDmUVzYQDg157ySP7VDsaPBWNdYSM7Xk10tQfY3Swht2FCR_wJyu1_zuOZDw1uUbsaFnTDhYuufnCxG0ax0S8jv7rdjEpzEMWW0y7nbWkJanbwt6hYcQJ6cKPQRKwgGnx7Q.BAV_otqF1aPmehWWxxnMJb_Ubzc4xhDFmKLEDfNJSCPDy4DPiFCub0mLUTbO1blxCiHsA0XHevvvTF.udAaMxIZmee5_miXALL4hLk.ylMGIclKsEsJjtOXMx5AoIsutNin.2GaU4.LXTPAj2dV8RIVu1a4qPOlyu11JWWpdQtrbEBrcDFmSBvl2IDD2WMsuDWIKRk.acrW0H7hHeajXYCQFkfWZHsTOWucfxKidSTiafZ9wIMmVOY8w6yLQuuPCJT.PevkLxD8E4HAYIsh0xPVMogC.Eko_rUU8GhXGO6loCZjKceK2piOgLChXbe.krI4HnPiI1Neu58zeQIBWfblxfzgkZMTx1fmNmLapDt4VWXtA_jXGG0sxEQQc4omoIafip8Wzifddfu890k.JITk1NitcdvPJsJb44OirYVjDEIh_eosDpNCz_DKSw71nsoj3SM1k3Q_HW4KitPKg6WCz0bYHaGVgyHIKwrOYpc9twA99rH9yHnpl5fKW2WVtiQCiXzUMHqSuOdubvCKk9L_cluilzZ5Axr73zRlXFOWavIHV4DbS3HAaitOJkCirj7oAax428Ggwe57PCIhz8aeMes_KUiKYwcBQ1aJJI8sLX6p_TNfQIk4Q2Wz0KZC0H6BNn_VffPKraaSOpPNoqZeg4Bf2BL_BGP6bygSRI2e7fJUKL4zA_vutWhWF3HglWuzG7z8oOvzIsbIZw6i5wbeN46eeo5q1Qr54Yl8Gkh6SGYSYvtw2bKfS0VUgJL1wARYjOyG1LtpQZzBBQI5IcZaE9p_9cnsWY.2baHdhzyGlyZa7YhC3dt6qRIBg.hEguM0D78naxDxJaKKp6NzZIs2qHE7ELevOCpJs3kA8CKeJ0m6LHPrdK1e2X5OkIJ8XXDWxn8Rl_bjxkug.uHnfBGcM9Amm.N2WWawt7ldaohB2gWzWhYore6vqKmKtyjUyzz9OYYklqVY3rwNTiMXHVJ2VwXhKcoglbh6v2SQpFKUrGL8l72Wh0Zr.TIiLtHnpTZkpokL2Riy5FuXCprAeT9yLcIpGRHAVYtUPBp5xVoobYoy4jkCcGkQtEV0_HLT70x5EsmvNYKiL.TUmko6mEaawxufg_zfgpDwERToVKIWpMZeEu4oFRrMC7IwLTP1jJkI.irihZp.KwOlFysYXEbR0RXAEF0GlkczmPQUtOzEDmwQplvwLXFuIAP8uya5yCh3fLmcvgoz0.Ay70NEvSd2huxfgYZMCHWHo3xMSxbGdzU3DJVCuqlVD4vNCnaYA_e19qLuhtqGgvxpmx19cIRbuRlnC_6ln2o015fiGueIxLVNiE.PqybUsiDOQLkdfOkDIwHCMkUA0acMqQ_XPZlGZ_bz3pK3wdiiZj1l_.CmHB.ozyXDyEGhBmhgQrk1KUMzBmSnywhPoPpalDM01Wl9zdMIuRGmMAaO7lwNKfAyKtqAe1jo6RqebSV9OedMG3zATJRePC6EignMKH4WdN3htKwV149aLpBTbTvS4c_HGWyaL_9xqYmrNOiaPre9gLQlnOdiF9iEMW9wkXG.HZ9Hn3O.tBNgnvLIoYHUXfQyYpE0erE5qkbBaNc2FWX_Y4",mdrd: "D0FlfdvJKGGWlKQ8nj4Ud0BaNOK9E.y5xsP0MnMaaH0-1739147142-1.2.1.1-hWgWgAdmGjGEGbiqsWsBQ9JwsIauHUGAUMnKr2HcUerOR3KHKld0fIsEvHCZPHy6cTHf_EUDccpnKY7TN28ncqkMR7jXflWnknuic0Hr0KOS6qQjvNXHmRxWaTOboeJGuv5JAYncItZW8zHm4GKMGppktMTB3Eu0opY3fY0WyD0i8EJ3kpgxi5aZEXG5_9rten.Aer5bO1FLfBqjZXs4vGGVBvi3AsVpsPNauciJJyXveRNb3C.CNJ.lHCW0UQlv14.vg13iTlXA4rnxm.8QfmCK5IXljuGglGldIX7GmqXsTopIifcWv2ipDBByPPs_RTWG.HoYm5otmX6xVbYi7mF8zRQyra3lTqjCcPh0vtv.JyWZG78CUfyDDNJB0xvbUfALgwNUJj0dDrqUxw7BIF9Acbxdsui_2ZGMa2J8zmTNrtleOdtOCj.q3GPdku2LgU980_vRK91DcyxfkEnoc5LYbcNNW49Z31U.fpZo9jFPdRO1N3Oj4aNqMFy5miLev9vXZuB5EjPYwIHuxaqFXM7nOsgsFW5bMF0JdHH7J4dy8jKVdRSkU.qO63nO6BtjtwrqwyucXTiHp64VQ1yYknn1RzoXKDqKNOvdTSwE2M037NgWMFOfELYVDUixBljLh.9VvdoP4AhT4NFHi3WnxO5fmUcSldMPV7AclD2BHRXmwoZpWGrFLN36pyIut.qajDiHPcnImVobw1KqqnHuctg41t_LlJlJT9nFGjgd39fTwh2CFDH7DWX5bMVIdnT86wCXoj_7RkQgCLh1VrLsQJKfm74sxwcgznanC5dULhvwehyURcshD82v8uAfHwmLoRc3.wGH_UdCI50qxsscP9JpuuVfIRh0Iy2KTdifx95oV5yRAzABi9tJKRXkQUcRLMTfYX9JDBIA4bv1JkKLsDW5F.sR5qeMFkBKSRW0mAwPup9IALxO5my_6jZHLUTvixk1X7p3x6sxd5C1V.wvaCbyyF8ZATKw1fPBZiLscYeqQUWw6kGNsvJMujbHOjmppKGU_EzeR5NdTW2vmGi9kLPSPXdFke.MZ3dVaF0ChAAekCHh6yGidsrsHzK78v_an.zB1l_LRbOuNYppB_Xtc9lHOjE0lSOA.3.RuJpNEIwfD4avQKP0M2mcSrWHsE_9NYlP3xgS.7adot_iTyM6HDZ0R2LrIcFkUYQ9WPzHbUPeBSIOl6xsNFMmxkZr5CR7OMw11ZE4NVSeNxsCgAGTF9IkjmnXiLD2p.A8uy3L9LDIf94RtRFY2P0Qs.39GvF_MyLLr3TDWA1HUCX01z4jUAJ_8v15d0ziJzcVxppJNl_r7vtA9ddJ.lVVyv7fZ7JPfymfydh3ni6mLftVtEsAzdAq9Fb4hA.xyBywBroKxUUJ1VhpaUKUlZAYSxDH3tGcJHjd1P4O0KXy9dp9XvFapkKbxXqy2oa7er9l0pLno696vDbVIDb2wrKzbW3CJZbwPXJgCJ6FckkH9xyfYOu4pOziVHnxBE0KJX3cS7Gjj6Eq5FYol0zjGHCHrqzjxUwIfroxMa1mtCwqbhO0dc4a.LPmsE6h3dhe3DthLvTeQ26BJ6bR2zK8l5ogznYwecfNxO8A4lfms7NGaZHQ9MVOLZv0KT1hG46XzBWYJLBtg7thPjjJC_oHRZeJW7YDZh8u0NaLsguS0fqx8TGWYOuNWerBKmt3kL6COi4QbQr.GCv08Ame8ipg0gYeAgH7yA4CWvo7bsfvLJgyHWGp.f7TKvaGgn2PtBlDDuY.WBG1dIaQ3JIctXNDYzAF4h6bSG1INtEGCW6uiibmJoTAhbfM2M9tSOJJOVce2tCiwIB.vJI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7f6a62a835a39';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\/5207968314?__cf_chl_rt_tk=wxWc_kkIVSpNL8zOIP2S7LAowmVEQc_s.clxP43Sh0U-1739147142-1.0.1.1-AD0mQPjy3SLGQZg5iUB8kXu3RBjqbl7uRQekXxMVGSg" + 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