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-423893993455.mit-edu.top",cType: 'managed',cRay: '911056cb194138a0',cH: 'hZVcf0zT1ImCMi7ARtbOgKCMlfIUum5UrUjZ5yXNCso-1739402738-1.2.1.1-6Drk.VLeKIrZuoG8RePnDzvF5uytRwiFt9SvvDDx5PN46gEF7lnFSxUuLkKpK82A',cUPMDTk: "\/post\/7386219045?__cf_chl_tk=e7JtEn.41HzSSKXX5gduaftK3JKbuC.TFXhYgAfyGTE-1739402738-1.0.1.1-Ip_IoviwSfgjC9W9kDL15OZcPAqqqBl0JfOo_ItanpA",cFPWv: 'b',cITimeS: '1739402738',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7386219045?__cf_chl_f_tk=e7JtEn.41HzSSKXX5gduaftK3JKbuC.TFXhYgAfyGTE-1739402738-1.0.1.1-Ip_IoviwSfgjC9W9kDL15OZcPAqqqBl0JfOo_ItanpA",md: "ZBxbS6XH21ENi7kEDbnwydTKsVOPOv4o8UraGgSa834-1739402738-1.2.1.1-MAefOcK9.uh.JPc4etYEW7yTIn_cRI5KOtrJZwkvP3AqEtMA2fSOj0LVdRDUVF7qS5Qszef9_Hm9t0R2dpX9dDkRLhGSu.C1f9rjszGDUX1ZXLH0eoMbnMC71yXrGpMn1axK0aaeknLD2pigAcMmiDweLn0QQYuHhv7v1sJGxBv3RnirmGgHDaMJFujCGA.ZtHuEgxwgwVa0TyuaUFkDMha4b9C5DSaumNBp3azy.F5KsAwXVPavhxoARTf.Qpl_XTa9410f1qskTm3sVcoM72gsDEQD9P8KJmVZj5bA2FHxydFmZjybd2ttFEpK3w2ENzmk_Mhwa_5EbYhSBKOrVtjs2umdCi_8iADq2ibtmBMCk4xeON9EE8lEJX93RvfZViEPwXnLjXk2eM5DKUAfKF5JVejmhyKk0EmaaKCdPFeQuU3lc9iQNWBqfFJinUjKSEnf0nj_mTB_tYDN_h8Fo448Lkdth9VAztnhIQomEVLJ.NfyeIfd89.LBdbrD7S4vZWNsPG4EMvc4DqIvQui7R4pd96ESvRSGDD0KE_gtT8yQWrSdWWjR1sOo3uBQEh_BqUfsRldXSPcp2CnYg7r1dBs9Ll1qsR7CFH7IZekadVQ75hi7KpOexxCKvICo_7z9hMIyEULNESq3dKgnS9GcpAjUETgSKZR3Qg6J2cmQis2W0uiapWvD3bVDen_UrzfT4r2yyDVQMv_Yt7tZrJh3.LifnuFVfefCZjFpFxorNU89tyxBsY6JOjL_APcvnDr7gjV1vyD_ruCOEIG0Vkct_4aayLGPNrGbRrJWEM0lhTa2NUdG09HVFKxUpqc2qy5L1wQ9dGhTUajphW5JzZsgswXXAQdDQYPKngRQWLRN5xQJwY9Kjv0S2pZK2NmuD177jJFPRuyvT_slm7rajzuMSgt8B6cCAGN7GrKzOKIjbfTkRg8URcWsS_LLJheUukOCuFJ8KL3pwGLgAsYwPspi3_vvKJw1buYX.oNW40U6ReHBzDcFYM5GNoDIhNZnJenUP_uf.a9T.Axyub7nfn8xn.DkrxKru46qEBIhpH0utgVm_3vLQ.EuztPNB2vYrFPgfiZYhqGxOOu7iKvi74X.sLupBifo.wPdLTr1Ut5MDhLRK2vFfxYNrbLrk7GzhP5XOPJf4RmjokLu8UjM5I7Y_fJcg2209FoIsdRA4IzAtbYxp2wONpVEaUm4IdOeMbTxiTOHRLgaNQ_Moo.PWvPagF.L7HWgDHqeAK7hvaiwp_.mr727GKNXkALKxdm3r5AN5JsoFOEG.gpLAD_9gJ2I3Ry2zYsg4IHd_sXKh17hjtX4DtgtXRu7IPPXwgLpMCC3ejzcNW4WlQCRB_ZYnhwaH7Q7WoboJ._U12H1TmV0rckItNrft.FyQCRWcokZyvZoIrFAI2pKn9St9dg43Aied9bDKSVegJ57fEIeGcW3K9Z3NdK0ch.noi9DlEbG8vExKoAjFb.EcZuhhPdeMAqcExltTD36c5FUaVv1FBj5JDAM2Z86y2dKAYt7SEDKid5YnW2LyIIydgWcHQCk.NocHsszbtkiZsMtm75QA8FdmYBE4g3tVpQPaZv97lzn32Go_b9uUvdEdJ3zzIvwZkVsHG53y7ddFJJGQ3mM92rPIMCQj8gB0CUN5qJWeZPYgvovRWhmelsfUWw422eyNEdpXgKcD8Cy0RWJ6R3iP8Xis5e0qOzcUHkMylQh8oVG7JRB.neWt32HzBzHw2NZGpJR8yGH_5DSTlb_DUoHdIV5OKxozTMWW7J.zNxVgv8I0jVSGFFSu3ac4mZdfCcaG_eVwu915xJbDcucsOoCmDzhm471HYe0CuHUpXQv6_gegNJmSz41zxUWHjSm2ggy92xSHtMyJO8fjhGwaw67KWc5Tw2Hx9NJmNr.8HNAoT3Mj0Hv5aBt2QS.5nISRaXuz9n6VOtX9AqMTof0is7E1lWTec92tubjvxD5.AbjJA4JivraJ83fG2gh.mulWFA00kCPiFpMBwfwAnueKlm5uqfCQT55le5hgXPQmkT7645DnuW3ZLa3t6cEpmJGKv6w4ZyOT6d82uaSe__wMT6ZD4tZzs48RUR5yRLQRbqfS1SRFUrSCeLhBV4K.QXxL10KH5vHnGll38XAtjS6CBed0jKQ7Xr2HAYFJZjosQLH95QojbwCN5W9xkasApCwJj5IZRv803YSEdEr2KR3M1cK6JcPgJM1fjXpnQWfOoquCcPk9mc",mdrd: "YifTHuxbbs4ZgxZ07j9jV_Qqc.ISJyBiiBe2Aq96mAA-1739402738-1.2.1.1-M.5sYSr_fvbPXczB4bPHdlugKmlD1r4G8Xs.C463ukOO5BWRyMY.KtjTzalmOs_bJpNQFw20aC5oggH70c9fTTNIvY2vr_e0xp7FRY4J6756VrVIJD5r9jnGNf1YyEyor137MW7CYCFM9O3uf4JVJ0Z5q06K1r7NHBozNqlTZCfKYy4igrljUZiWMH2d0es_gaP8i8xbaR73faON7CXOf8mxZG7x43bY4SfxEUrbriTQGhg1V1f5U_xCe4JRmtCg_Hk3KAG20Zn4kTMv1uIiAhJASWPFSiDGEx4OgdVIXP3a9lQI1v83MrW.vw5QAcgIMR9KqH2HOVUOpjVQTGwdnWuTrnk.iqOCf4tv2XW4ImyZWkz8DgjO9_WMCARAHVh0tid1FJp1jIXdhvWZ_jGf4DChdAF4lLPp2PgCD8Rnr.Rp2LK_CDojbkBFjQ_L_6VWD7ALCQFGDQm2EfJBMWluE6gAaiDPuQgC0.70YcfXrHvWL67Iy5xiGffGqgLDe7Wp7Aq7L0xoI1efq0bbOK9pnb23FXLVkJhiCnBBTEFNbnjnhP1Cnp.Yh5aPDJfxl6oIiIQTiGt5xXmslFOFzePb2QP7MApjzkONGDnkl8uwn4awH.IXS2w5YU31H4blJ772Y2A5K0Km0JWAJqGbhizpTac.uiS9ejqek80UcDIvnnERe1v3JPZh8cu6_ImIy8EvnXx41GkhQoUJrkdNp.iOgQ7Q_gtNrD_h.wTi.DgjG_84BuJOh6LPpW16EKCn_M27xxGTBJ7Rh1CmvoegGHSvcREm._wQwrmdYgOCvw6PnOENroS_x_GFNMZ6kCuaD_cByzr8q6T999_zP0zW1DiLn1pGZ1JEd9NAnZYtyJP8e8tSv1lhpNDliksNjUIbORYQv7fTLHxhW4IN50gonXIScoQAesIUO2m9.jm7XtE8ncaBVbuWdhpYNW01mNqBXOn8g7NGJcuxDmNZ2LWgQWEAj.SPQlfG_zHcQaMK9kFomoX8iM2LUAkSi0W9k6smc_mu8Z_LYaXd40RGLqYg3uvlgwMpNkbts6TivqTd1_6dCRxFWVlKxeHDzvqGZPXUk0BCq4OHa7XgLsRfSSWYYvwaSK1VNFsmcts93b3sOvOK_ig.h8i1pAnZTY_4F2Gdry5Pk_XqSZ7z6wQBoINNoTLSbNd.nbRc8lonVRmzmG.x0c8UuLavuYiLHGEiKOEHT0jtGZiLHTBSBOYZvfYKTcFqyFQ6x5aeY5RBS5rA6QUb61L3GjtgJOdVYflW4Q_daIw6N1kU33zp9d6cCe2VcT7_3n87jbq1kkkkVgC7A_TIJlnPFHcvf4t7KaTZ1FYaZdQJz9chsxbA2Go0Dr_cHh.k3___5pavOdOYHmPciL2TVAm97jFnZlMCzxFt14dMBlOG9q2vRz7.s.ZgriD2u7VUu9bRQxswGROFXioRUtYhtCnWAebq8jls62FLxloclmTm4nvIgwZqzAq.bAHyXBFXYnq4zXfgrTEwV6k.chaPqLUjyZksba__vbNwgLpyYcxM5.3bOvDnmcnbeS7.qr6JF9KK6_MMJDyTNKHIne_34n2y9OgE2J3cfMolBZ4ESx7V5Dt4B_7o8UYfDvkvXRUIAJ.1SPK8T8jaCJ_ee749ymqGQSnitoQlkRZyk5..93eM2pD5S6x2TM.E4VuhoQTmp1yjr319eDbiFeQL9YYsJ0oGcXyPhSd86hrUa4PU_NyElcXVy0upbTAo2AtqCX8NDEfhrZeJTwAGP13P87P_v0TEJD7XEynEnPOHGObrDIFSdfc0Qf8eq8kQo63fSFP1TNQx0OKG3gKFx.yZwh3.bZ0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911056cb194138a0';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\/7386219045?__cf_chl_rt_tk=e7JtEn.41HzSSKXX5gduaftK3JKbuC.TFXhYgAfyGTE-1739402738-1.0.1.1-Ip_IoviwSfgjC9W9kDL15OZcPAqqqBl0JfOo_ItanpA" + 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