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-613909716508.mit-edu.top",cType: 'managed',cRay: '90f189916b33598c',cH: 'Jgcq9B_g3.cyisBwVQwqwi1ZOYLuHjZ6LpzW3U5nFC0-1739079759-1.2.1.1-eiAjPh8kWsZZL10M26GcEY5UQIv0QZyqWZ.ptbn6n2YnNmpf..2GOehgeA1YmJKh',cUPMDTk: "\/post\/2476319805?__cf_chl_tk=6Ees1QWrry5ojonaytks.zaNBZ3TVRtCmlQFZAcoYqk-1739079759-1.0.1.1-bcIt3KduxPcEL_k5CU6IYVK68C3jFY9yY9sGf0YlcyU",cFPWv: 'g',cITimeS: '1739079759',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2476319805?__cf_chl_f_tk=6Ees1QWrry5ojonaytks.zaNBZ3TVRtCmlQFZAcoYqk-1739079759-1.0.1.1-bcIt3KduxPcEL_k5CU6IYVK68C3jFY9yY9sGf0YlcyU",md: "5la_JnQrjLDc3yixfJSwq1Y4J5xTI8._cHRdjJASda4-1739079759-1.2.1.1-U31RhX_6y6a6IObsgrlzbdFIJrPQ6_cbAGPNGR7eIOfN6o9eNHcGOL3axlnmdk0ttHMG685AlBNitnGxOtBnwh2rmm9TieiddFj3PO5lKjrHfqAkRPqVib1VuENg5A1SefPUWFW.1dgkrK66lyWizXMgJx9R5SW5jDbK.Al0OAPaGPqk3d1HBQACWCbPZfGtA_3CBCNo7C3Dw5j0xEYKeouew4uWa0.7eWe8oPMc6QlpmdbfH7Ttbnfymaxzg8F.oFhQobgt5309VuX9slz8A8Q9np1HKOnGKfnMDXD5IWm1pPKygnvNWL6D25Ag65j3eBwVl75N1K.G4SXMmCnJ6sjpK.9j0iVnoc5ceO52dUPBFxzZw20Kv82NzPSygbJDox4kDqDrhhsN_n74XzgA8Z5CmfCY4eJBytHhwHjaotFaxEh10EMdaeD.zU9HoVHCHYfWmbgBig7jJyh94MLVoEDGrDUT5DiSXP0pjhYpTkZZXCO2gWNK92mS_dqbCld2X1JHgzVIoSZY7lt3DA7ZUsyWUfDSifhJRvGwduvltfIvsxr4NoL9b4iM6FzY3NR2Fxwnu_oaGxULJlfa4J8wR32xkbZ3cL1aSnNRKe4A44qDCW9hqagewpjdXPgR3ikqGKDzMDnMUn.gMTE.sx871xuz_0goCQFLzkbcGjPXKjDGFPNDTqzIuTCrooK0_CuRiWcjIeS70jiPDOYoQzbSFK7WI6Go3.RZFCTxcAZUUhckmhDJVQkT.v2BCLlZtdNcKDIAbTsBmX2IheHwGqR4nt.ohvXJjcr0nQ1iAnTNAShoEU.FSidXxkflHEGEJ.ooZ1jqXLNs_7igcv7X6jqOTGGlcSG6MaFkd.Czm8CrFctG466UtUlOtjJzaJWQoFUYt6Ds6CDvAxu4I0WxmPBQt.hgx.8760Jp4gGsPSo6V695nvJXGeoHmz59PFEEW3yUfiKp3fl00Oac0XYhbKPdenbiknFGXThK_6BsOjP3Od5T_9_UI92NKFv41Z.kVLHn7OQPs9hMHee5L3Z9aiW7LAQrrci1sMLG_IWN5iyQiN6r.VNYx45HIAlh86.BdJepPwAgCSEXS7tXfhPae5Ay_Nw5zoeCv972M3_zrs.70KiggP6P1ZhyOvGTj5ms4gPWlTSD080.KXRnOtYbCah5gTQ3t8n25igs8miNi.TWeKUtNIv__Ym.9CrxihAj9ZCpekwBlgQb3Xj1kilhWdPZ5Y3whQrz5j314605g1O5iSph09gjWQ3gKiVX7E7gb.wPrlkcfVjcI4BOPPOrRvy5ohq4BSMg1CWxy15ENDwggJIUqx7PFWCo.Pl.RcE8UQN.NGamgH2brC5lHkvIL_y6dJHfoioAxH09TygR6VOt9J3ysxpfBoLmVd7Hi83l.sDN7pqATlg0f1mSx_NANUN3xQV02mmhFsmfhhaBhGgbjygyW2G874kMcBB4ijxEm7H_yn9KgZoCfTtxJjINlPOLwGHgD6EiRBSZrsZSte368wPU8uF9_vTFsGWQDQA4.1SRsXzi4y8w.djFOH2WkktvuttalwN7R_HIJyecbE5tAdUs.0867bIrESacVPxBNVHCDteXTcJLi5YrHPAASD6iAQkC1tB.EZQfhyCk5vbtLUHpeOBEHx_9oqQf8XvaJH9AxXb8z7Mna2NTd7VO53T96LWl.3YJLZUFypAnssafV5eurgphoSpQAmjSxTyMKb0QOHHE6buERskb6M_cg7QPaWqrEDoYTFHTAiodzfpTROO2M21nWl_K9tuK4H_s15JWOJFXvyDgDfSD7UwFNaIEc5Ikz_v4irnhIHIfrThCSYhzRFgYtiGazvFHSgOk77Jj_ACuQaDxVFojQOAh6da8y.ErzaO__wdtZGx4kTOZ2nlDloTtbEINSJtzJ7Q.q5XlH_zQoxUmilVUgpYeEmP3MR07MYGHn75q2t26c6VPpPJ.5XYg4PKlcS.UMZZRYhbKxtmuvarm_BJJrNv1wXUF1EV9yC9ybvooMi7Dsks5VJb8Kpg7JZBoy3OVl67qgkNcjSwc6p1S2BZhJtxRx01X2FuzHfaABH_FLuPlP1_zOWFE_gQ3zgqXJP80n27zff00Jwca4XX6oPUhcHYv4HHlAvNjx0fE.4xmaJ_4USEvkAfbKETsvhOQ_gBml.dd0JWApUtLAqeuh6WhfUEH9gVHPL9SBV6HNyp0tYNBJpOs63iXkSZN0wums2IOvn9TvxTE",mdrd: "kx1CY29iaRFOKDQ.ok2Pg.GGBgq3QC9E2WFZMqw3x78-1739079759-1.2.1.1-OdhhNrbuCX6yNyX.mNGoWCV2jnrvkobA1N.ndpwO6WM7RK9SHDMXgA6lDJDjvo09yx.mRf5lSTL6eZd4YRogyPNRC304YFy1Qs0GLNppG8xSlmPWayI8D5laqxHm.dchp7wPAUw1MOuLIrRIE9ZeMLBdmpTMKfckKPQcJe3Q3u9ESxucxWryyoIA13xgGxFl9SS5mnP6Df.Ht_nIJVHNJhgG2po9fjkK4G91evqhtDTTNyPKcrGAUG0wCdZWtv03KizJAaNjQZr_RIYaHr037wYZqlrr7r5d7cKNRCr5XjQ.BtuERA5R7Z3aXCC28X5ZnO43Z9sT96tt6xCzRRlNc_ikBM2s1TVCRd.8Lqoq3pzoUJXW_ps4LjoQkf1_bOpE3PIDObh39S8dIMYyHWtpFhCgdQjRfXs_KC70sz_VPZSKdNkjTKShQJp0hj96moTvGQUkGSR1OyCv36X2KwUPIA9LRLvaZ38Vv7odKCGH4IatRkidZBqeeaDwyyqsNa9DafsOreKy.tVLriAnEwG_ADpdk8sBi_b4VjXDPkC6R26dxos.mgD6M2iL7E1ksErw7N5vKnsbLKq8YsH3oSK01GNohP7aB.Q1AdxMuUDh.4LAfi8sVYuyhGkVdDHPXfHEh4Lwrf8e1zkrtn4O7zbrDJVyNot5923W2uVMU2tLKWQlONfAQneVeb_AZf8CO5NbX4FqLRFTQXHCI2C_115rVDyHoVvbQVZXsItIXZbwEcgaR54eJMeyr._1ClZUfyFqcCdEFsnANBndpmn.86MBdrfgjgfkRcmTIjFVnA38tXLnYYNfnOHc9rTOuNK5CiLZbsVsmg3Oz0oCwknDyw8YTPF2a5HtX2riTlqVAQROa6_qwFHx4s258G8XTmzfx8Z7qBZMDkkF4.bSt9NmaHSJXCfVRhYkOONo2d0gspUwzNycMZQlefY8xhKSAkHleQupGti5_8hbFqF9Ol5XPfez4.d5vRqZPPYopfyD16rry1xY0vh61KZHNIoiJ9Qn3sEgxm2YWJRnfWgmfpJ05DcP3F8fljJV5Zc7MRexIj2ajJ0FTUudVYC.AAhQtFc4jVYbK5Wwt646fUoBYqbAD7UoPEgVuOZUY69mSxhsJawimn3D7n7A9SW0RwAFrB8xWPkX3xv.BzWX6WCbhEmQhbzaZOPk5J6QV5CESdJLTI4B2Pp9jojMm0rNFipFbocEhXRPCVNV3Q5VEmr6R33_Hcjx7hoMPhbR7em6n5PGktVHFG0tgFvpuqgj_SmWU0XiYI81AJ17Imq1cwVgPYmoxxf5UoDSUfwgrSAUfaohMIKmzkaudVTtrOtF3CYR4akp9usVzlXjvv3m_K6mfFhmBEyQaH7tJ77q57FydkU3NASQyYHbuDU8p3d5mlrSjrlq8syGaTajNWyhh02jilfcSHbzqqyywrsYMXIf5ubdUpUwWu6jVnO.bG5qHCAokHuNiskzDZ4LtxxaD9tU4fE2OKL8JljR3f.tU5YKi2bwui6pxp6jWe4HeBEl4bUMcXTcIITY92piA6.ahs3g5Y4arn0AhQIu.jBMzQ4dshiKJDfrJHjCED9mHH_DwIWbaDrYyST.h2ezCTLrKyVzTETvKxR2iRxKrx_B2CnmFCiF2FlewxXeKZ9uJoj_sNWW2gyPUQxR9phBzt4DOaHl7rd3AoYlfdcPkRRqFh570apf.1wbVbACykMHfZSQiP91OA0bQ44YkJ.Vs5vhtYKtW1TzYtKM4GBPMH1RxQOMiJsjjcr.BL9bMxSM0AEjfhsmFJxzktfXoOhmZtIMRwHkNMxJc5BSg2FEXYKTh6Ne5wR94AVsGnk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f189916b33598c';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\/2476319805?__cf_chl_rt_tk=6Ees1QWrry5ojonaytks.zaNBZ3TVRtCmlQFZAcoYqk-1739079759-1.0.1.1-bcIt3KduxPcEL_k5CU6IYVK68C3jFY9yY9sGf0YlcyU" + 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