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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-688884728455.mit-edu.top",cType: 'managed',cRay: '91079a9efeb55818',cH: 'GewR5UcMkfWaUzTfAA_2Jgd1SoVqUwZyXVwd2oox25M-1739311144-1.2.1.1-7wz48BvfeBNejKnq1KVr294CPNf35AjSlCYf2fNYpkgZ3yC.P8IH8E1Q8ItMATH1',cUPMDTk: "\/post\/3701265948?__cf_chl_tk=3gXrjWFAW6HOees2kTvNEQit2SPpYntSlgsVXDCoYSw-1739311144-1.0.1.1-8Wfzouy65rHZiRKXXvw7FBSqCSiLJGSJy6PqofzM45E",cFPWv: 'g',cITimeS: '1739311144',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3701265948?__cf_chl_f_tk=3gXrjWFAW6HOees2kTvNEQit2SPpYntSlgsVXDCoYSw-1739311144-1.0.1.1-8Wfzouy65rHZiRKXXvw7FBSqCSiLJGSJy6PqofzM45E",md: "b8yCt2rCpvZ8CtugO6Kea_DdWH.fZgFDpsUMCBTTT10-1739311144-1.2.1.1-4YTBqZkEZ1LJs4FoytaTrFDeeO3wBdKfRi7XtbYm39FOysmxSG3uujKJ6iSqSgH1tqOaLl4dtVQh9ECtS0Rvwq01pOQwMbxoMGHuJRlccCtEd.0mvIBiN3p4nkRvSyL1RgnwEkeXidlIH3kTo88N8ApZhvGZrk18hT..SuXRZDx._u9T9Hwj20WiWj3bf17Cw3zY2Umc3H7n89kJ3i0JV8nUiLNSw7xpmkZzl4esDk2oeT9R9nOqA5gFBTh5EO0jJqAG8DFPgoPWKicEdVg.9n4EE6qdlGmWTWwW5XXtJ0_Go8Etr7DffrCLaHwxY..SqsV9.7jls5P1THmwzJG_WtBDwDUMNd2kHu1.iT9PB.VrOYkHR1l1Y3lSbaFtJryTd66.KNbyUxUjMcNMmSYI9FKaFJ6xmSPEb.wc6rlJZ3uo1utdZ0oGmpUy0qfzDAtTN5Ql6LvCtCnbG7FM328gSenre1SWhB_0Jmjp4VUYiZkqSnqU4vijJg4yA_Vak0j12HYSrafdMkZqSbSRkN0rxwELBEeP_kSOjYgFZ7_zbfk9f5kJrtS.h1M1MIJ.okjQcqxUgz1vnXT3d3y5_pNm6iG8Lku45HudT.o0HKjmJNJDxs22BLoQX6TfxGrlvK4UXTjAxkLk4abkz0JvcXC6rC1i.lA2mh7Z0IySJ9EoTCfSliN4bLtnQNQyNvWSFNQR6t_75VgcBjzYQhrKMfDXKO0Z3JWRXAITM7AX7FOjJrtNfR3lqqRUmspkxKDNdfjNXWV9LmU4vazLUNGCAMjLQuG_0TSkq5UbiWDoLn_Bg75vyKIup3BzWPh_c433XPVIbDn.5_uIcQ.pex0OvvUlui2L2rMkAa3PYNOUQfh.Wsnxz63N7v4lAo24ofAEuyAptYyt84t5n1MHk1l6NCw.JxCVXdtQXfgpbanhxvsRh85mDKtmxgXGl4hdKt_gDH_8vHgct5kU_VjmPDsvenIyfJj8TLnp11NzKGtdfcs4328Dyz98Px_klsB16OpzZmzoSA1zS3KA4mPyNdUa.chMDFeBaTKS_27Nfz84BmGmmr.Xvb7mVQ2oUDOEszzkpF5rRC64KsVFkwA69z7X.Cy5qYpu9fBRWVa2IBvgP9I0WqVF3HFNqotefoPRpo2wK7WLwVBWhCpkv1QIBr2b4gOGpXkhEWVHG1w3kYSPbvMG1jmCigRsFsDbTK5unDMR_nCb8iNa.9U3LziJjM9Rq_3t5ffNcKcTPPouO_aO5VQ8v3ShqWPxX5tjSQpZjxwRALJEtih1NKb3tKG4TLcWT5CaE_ehx45teq8VZxKDAH0r.LmmRgC8a0GnhAa78c.8SPTh3TM2ZPXAGLmWv6umBoLxFrBjeCcdunk5Nmdka0bC1xsmzQ1y0zX.5P49sglEmfc6pr61HtmzY2Uv_iNH2p.46QP2z5Pje5c8pvDc1IQIdpWdcVsVp7UDbzdMk_pzcKo9b_KFpGl0OOyMZsmSzrTO6AU4ud79YQYMHuFcYvoD.cYOTGOmxduc1K29MFBy_BftB3yfpbHT8JSB3wHfVWVtTgweYaC3yXyClzoGSdGB_iPHAgay9BcEkbZ67NV6NUWecFevaZBN_..fwgFoALh6VSyMTgXtbdn1fGIHghZEdXl6SBHEF0qxAAEAiHr8uMWEOiy6ASIZQBd0oiIC0q6I.t5RwHhnBfK9gvs02DyKG72XdRcP0u7LCERzuftNbgn8rHqu470Y_pxsXlrP3GbGf6NKj5UBaC8BJIYazOkP5Y1f2u10_dVPj5inozSC38LWYQAUJdTjEZt9vCrZSIJO8hnyun0zx4fCVvDhJFqWFIrXpIYmad5ego9q1PUzOYB_4Or6G6675nOQIk_fvP4L9kb8zYSaFaRZ1d5fHjC3dwAuP5t.5Sh4fPjZiWMI9ENiuRHLLBF7tvTx28JTgAQzLXMBwxiS4dgIGpn0QqAop9nidtxEssdd9gQNtUgu3BYg5vLWTwQKL0fD0ITQdm1EZIw9kFplHscLYE9Sdns7Ruovja2f04sGmqxO4XrAbHlm7FtHaQ_NFR5UFFGbPq4TLQqcupA7ltv30aSjVSOvzaX03OpNjpIpATJe.emC89ruecSzEGIIL2iOYYZLQyDtL6x.VHAM.k6yTlqRUbDi1wlXADSugZiPFUchh4fWKLt504RbfTuyvBCLNjknA1jnhXaYoC0S57P_aWSYVvlWdg7qMrBj3lj0vE8x8ylU0ZJ.",mdrd: "HHBBNc3Mp9OEWiSyzGkxD1efOF2d_6kX15syBdX_klo-1739311144-1.2.1.1-WJqro183NwBCV.spPX48CvM6eneWP9spxgG.1sFONq53yOnRfJwTtzL4f998MOF_8L4e.YtQniXILnl8xB40hPHOOt6SoMg9Di7LCH1ljfy9WgueJ6rykfypwjlgAOhByDxEsftb.a14O5UaNaOqBiJ8Nq9Ig2wp030HC_rLWBlAHLiE0TpKkkkxEEWEAbGqkMBZcln2Za7v7TP3l54eVKoP0U00brRbm9lML_ClfMf.BPZnV_NpNvZIutIIItYNpPYzhqN39COmZWZTxuZmboQvJ1RkBL8SNbNFMOhZz6vAOv2zruJt7mfuPKFIw7RT7rodhJ3qfqZ6dbJmrdNFoOVYacC.tGn2UQaim5tzdqjd6tzOkUXFbXMibbDr54kYeaD1YnB2CsU6ZtdfLj2bTDxBDFD.2ZBxXbbRWt7o.mn3Bw1l5Yra985bEE3A45USV4s7k1vNGbnShkhAKSagQXjFv4ivK_QeCLimVmgsBuq42UNRFd86CQstkQyLXwmgPdhgdfLR6ZtJD1ftWOTvqD22XDRn0SIAYChyvuDIhWjDI1x1v7VWzb3KaGgTZ9S.69pmqyk8rJcF8erRvSoh_ptonkQmAfxSIR3kk1lGmk5K5bhrW2E9wrsVtambhP1liXV_MWITw5utdTiHSQO9e9Ucs0te7A5tDnj_K5iklWU.Am6X7ij0v3LA1K3f_zB8ToM.yzYzAwp25yNDJ1JobCdMgwi63_DeP25z5PJ4DPxhhuZjhiFGDYuVIQCdP858BzgBtAIL5B613ql5aJzKZn3Cj0R2.L8q7gBS1ON.rCbcgUjjT0oO_ln9EAac6WWTgjbWs9G43kqU9tPAPJyTgtRP4M2jQc03K04tJfIkbRFU5O8wMkslnnRntdGr9sw3H6imLDHJsQh01z.dhzzgKh5vku4cTDcD.HhtFDCrWQVDxWOAkzWANNExcrSrOqPOwDTuHw.07pZYlqMUcr6SuURolPMbj_FFQTv4qb3j8LnVz4wIHVvaW4dFcZJTw0QrY9cDGrhFX4_VP6z7UzxYk2CIQ_01dSww0sL.MXkDxHr5CdMvq8Buh3pfNLN.j2wSorXlMZI4kczt0Wq_5D5.e4JB9l_buufPIcewCD8_hvVzWvkFq8dXVqFZ829vwTjZyfMsm8kvj0QhK5hUjngU5BMw7fLhji3vdvbkUReSxHvbPQCe7uS6poFJvpWUzv27BvSoapVxpsZ8fmZKwddlhXh1GHgIVCL79j6PJHTFgSXYYPKtIXa1dqJac0wJ8xxYw9rFtVBYWUSgztFbD2L7FD2fD0CncDIKqGmDUbYp6Uq9EsR5PaSGM5AsUQbVbPDlpSbJ.nvCjJOdZWH1tuTc96L80iVWmfu7UNQ8uxyJp2zOI89TnQfdcDuMLJ5jz15BLmwRcS60JaNQpsBAaKsMQ3Sl.p1eQ5rzoRWyJbjE56pcTauPUWpOM4.MVXU6KqKeFNpquMrh8o8C2kkaGHz.xWeM3mK59PmWIjs6dhlBW2deIYast.IqUI8E06piHC_1WD7_.AIlPJhKWOCGR_oWvuO19qC06TlyCILQ2mpljpG85Qpw1xspiH_TEjUNvQdUyOBOAwZWSEIJLFMhOoTz5BnLj1hmxNYBJ3ihUNGtQ.SKZF_BsnGycTE4FBIX2wR1vyzEw336mUuDN5XGX9T4MyZGuUR9D_jMoM1GDmasKCHY26aeVnSchcfKEEG3_o5JmOsj8i6QOt2zEfZuhzY952474rx4__TDk0gHFvM2tAURQSqvSYXCLlVEenbh4jkBEt9a1GtEKDnAF643OsjdpA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91079a9efeb55818';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\/3701265948?__cf_chl_rt_tk=3gXrjWFAW6HOees2kTvNEQit2SPpYntSlgsVXDCoYSw-1739311144-1.0.1.1-8Wfzouy65rHZiRKXXvw7FBSqCSiLJGSJy6PqofzM45E" + 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