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-994767747757.mit-edu.top",cType: 'managed',cRay: '90f3ad673ea6d6c8',cH: 'B_CneNV2RqquohjeJNa1zmYBg5WSfa6rXzNSAXuKDPc-1739102198-1.2.1.1-A9QTZaJnfao57_54n1TeRCtw6k1b32uXJaToRkMU2bhA_QlxBCWsG6MQuaKRHAMK',cUPMDTk: "\/post\/7852169304?__cf_chl_tk=hA4sTytmkiq0PXMhABTLJcGCrgnJo1YVBApKT45ToDA-1739102198-1.0.1.1-YrPNOUYbdpRYOg3FWc7rv.be8.Kzb7NkyUXawvp9TXE",cFPWv: 'g',cITimeS: '1739102198',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7852169304?__cf_chl_f_tk=hA4sTytmkiq0PXMhABTLJcGCrgnJo1YVBApKT45ToDA-1739102198-1.0.1.1-YrPNOUYbdpRYOg3FWc7rv.be8.Kzb7NkyUXawvp9TXE",md: "F9MbJIO0xgx9JQK..734W47.fHETUrRyCmGC5GBp8K4-1739102198-1.2.1.1-ATnRwfc08uHEvmeLA1S2C703.h6FmKbL7bWEQ0xAgrUxr.z.hqn5QVjlBaMAgB8MRc.BFE_mtscbqIiizULXUbYufwfgD0G4hnr.EGFJR9Q.dvy8_tZrmNl8V2xB_HTyfLdfEdDItQrvKiFqHRQmpl1gfS4otztR6x_B2xTlGVbMW8ml2OKWT_jLvLhoS1LVyKkcNSDyKNJuztxn1oi0zJdWITJYchkxF2a5kqTGKzG_YgTaY6wz9hrF0hwchKjt.eXAGymbF4ZIrAN0i5oQatwrlL_iTyIyfVmk8ow0m2twaakgCJiqYhh1dmJFtFlmJgk.6O7MgBMEjEAE3mwR4MJr3I7k5BHRWP009RHpJmjCWjPq8L6HEt8N5DX.6vXylTDsgkpA.BJuuA2VK1LE6hDctZfOBebMyDTh_7ySbOszm59IspTbnhIpi7r1wmIZt3Q._d7JMJOBXTmWoE9Aj8Kz1obzPS5lHsh3PP9d8sFyXzKbPvzKpecfbrTjZoXsB7wPZKXt5k19qmDts8ebF4jAuma.ItHsT3WDDR2EPxUs1TJBP1zqgRYFlyRBAL3GCZTUMp_WLyIqL3x6.4zuDSd7Fa9XKLTPqSFesKbGTAqu7RC_YN_Qu69LJ9LycFZDyrsg8cGNtwN74CLRFETRlEDoAHOSgMYY2BFJFi5vzkQqtaTY1bppGi49fFIxA6GV.WF8yVIs4KELpbFdf5v.HfpgN9X3Lf8HeLZZidzyVeO4fANqYuuHbmgWueHHD9EfZEXKZAevyq18LKqrHey0eHmS8e5wD6cmjrg9s.8vo9YM2yOOqj0Zw9_UdDp.vCdSqLX44Sj6rNR1L5_VNq2oEqT1CxLhrR.GiLx4mvEVEGzrSmR3PA6fTl4QHxMBWK6aqUeYTpA5F11pRI94Wks6snfIk732cD1cZhOkI3KNj8Xr6ALJVs7CcCz_M4KhHAYImT6bX_LNCA70DORG77v0XzUH_AjIfodR5tH3lsZBSi3imj9WVfKA1qWCb0ZiO2980C6PsOgqqgwbzwb2D9Uxw6PVma4MxsJbPj5_IToZovmUtzWkBPyCdXzzseQuXrpNZVW_NMOU7_KX5ptVDQNdCJuLnb6GLtSdjPTX8OO_HJdFwl8CmNdMx2a3ow2Wh8Gp.b21xWL2MeSiKuLGPshbVqk0GTuuoPbrK1fX5wggXu9ST3lUXwbZuZInD.cu_TD0pDD1fB0Krc2rGsigkulFEvXYNJpZ16k5nOc38D3xP.rCVzlFQeKxjSxwZP_0QkvhumrTSFU1ukLhOexz4lokdFrbDFkE3k9_Sq8_v1L_pBn7EGxN_m30c.tKBb3._H2KhOaRfn.wxY4x.L4SggIgKpTBsQWOK8V_CMgbvxzT9UFmuLV9f_nq08oQxE.QOT5CnC0N9JmN2rKGdS6NiCm0t.6PL1HBkAMrbx9k6HSZp4vdZYdlvcTkYB.ZYnlXXRtF1KeAdnhO8pQitcaauOZBHvvvqOYTksejMjVJQ0m64qtFynnL5j6zCPP8uvX_dAXTHpbm22nolcJvZcLP1WzRhVlx5TCmUGR_bwlbrTqsao.fqTUFH4gXxEVFYHSTCnhc90MCeLmHL9qJh_jEHk8oPwF7kIWxFDfViBpL4aZsVnbkCVUW8cSQCVeM.OIMJ87TWsG7KxDXXiBnkDNU9qt1brXPJwy_atk8VUglx0wLkmdDzmtJ0.sNYmvk0a60RSgoA3euVzOdi.bCwxrXPRs6SQD6CpxRmSEXGPJ7vol79lZtrFrpdNL9USl2ejRIhXSlNOangcNMKIf4ZNXV5F2o8So0g2EFkcSb5Zq.18xx7kL.HT8PCzUF5Bn4pZZ.X0cM_C.qOUoQUZ7QovlCqvcK6EDQmkiUrMCkPA43r1SMKix5BoWNAvvErYU8.yUMkoE_5jvdg5512LrZdSjJu32MfJkXlz2xgxPd5UbgP5a4WyoCr5gbk0xTQoNJJCP9z9hDQILCNXiSgPRVxvRYEAkxcm90R4Na1EALCJiT6er7eRA.tp98p6jEkOun9TNdbpL.tJqj0RAZgoWZWH4wRRo4cmW_gXsDezZ6SLhFxUlqIAru34879R0cWjufBlqTJIuppm8Zov9CbISL64hdH5zw6aJQGeaTERL8CpPM7Hm0LZzQujljoimu2alDnPFLNSFQNhSYLmXbp00FT4UNko3ywTJrXythVmxgoFnTORbQ34XA5fOthaZ0S0RiR3ovwFGV",mdrd: "uPraQN94YT7POvUj7JCKSfH7BcCKATr2EMwtKfZuhMM-1739102198-1.2.1.1-hJlIIN0sjemY0Q2QgKXkWgjKSf.LHMsbgKyrotropCTzEMw_NjnmVTw5uIRzstpyDZ9AHfdlq.FseIPsgDbdE9XyzCWzo_4Zq89MIYHGpctSICAxA_fMqD4lZBztgWhqX3XLdW89fcWAmO3kxVzs2tGgkkEi6LYuF.1kNxIoNznB31pVhkozxt5bjjJq2P35bWSYYe8GS6uBgLXDMPZumgbRxn9G8ZTm_hVKlX8tcI3ibnoS2jV0.VjUifWHA3_4hDRq6uGFYMH.ezAWQEqM_tMk3aDpCa1XlplVUHB4pg1eBPTWIp5cNRJ4mmRPi2yp5HnquYlDDtQYCUeEHVU7MUhcnrcMEW9Y0IUsEnH1esurXMteXQZW6Tv6n3NfHLn9KWghrPO_KPErKsqhsClKMq1BtbBbAPTAmlxbJNfeFhXrowEs0ob72RXysMA.nxbjZOksyqYI3ZKDGkvnQZ5amr6leWpouYHpOTnYIH20gss4mABS3epjJgtGYqAr51coPmK2o5zgLCFjP2X5i1B_56.P2KgYIxsO3.RntkSvCpzPfz70A2Sd_jNGfETD7I9GQYgN7XhNomHefU3cknLrPnnFqeoQHmCYDp4EafcXKJVZYmRTmr1OcCfRamKHp_z2v199MsXeOYoVSy6X_pbaauIZyl1eHz3W6ziPvL.BWJSBg86G6HR94pb79KDJJlQI7pUIx9IHZfcRdEBr3IBMMDZRYwchoHm7By2oOF.pHYZ9unwrqTQG5EK9XeLVuhjsPt6hDiVh2Kk.4cp4tsFu4RdM3ozV.y9Yum16ZRkQiwEUt.sNrz6LEr5KTY3fBPBtTJyQmyGzuNVEjGZyl_HIDmN6H_IsF3lz87Q66XON_jGLAAYEocpSXuwFDVQU2JJ4b6lfcxqu3Dnn4twcHSUNEk_CICQV7P1YkMtsglaV3fAbra9njeTYoiQH3GRO9Wd968_l2BdO92E4DYegWA5XnIFSFJ06YW3jlX5NaWBZwiBVky53H_EzygFMAkZcNzGB1qtLSqomw5iIiU.6qpku47h3pT5BUf3wKQL5Dkt_FEH._Z9K_YU_buFYCK6YdBKkz2e0i5mAiHRNJPSzx_.Q.taaGdKE.oBHn4ddBBu1B8ALqB_8lKjIVuJKC0J0Mw5JPutPLbZQCWDHszwoQbRTrhv8UYU2ILZiDWTyQWKchgilwONCtLfbfmrkPftp6povf7177Ue0kmRVMNwokTU3W11t37ic0XqHh0jJvHT6k0GlAlAEeS8KqemPGULPdhezPCwdd56ALLfgoo0nM0XBRFJ1VmVUg7ytEpJP5T87gNnkUhtrD.dIfLS73SjkJUDOWTPCn932KhoUPJKfq9PTsbUeSJrzBNMRf9NmpPJL3_D_bVN9hCb33NmB0bIbDFhtXhGE6bOzhHEzmggHmt0.60Bqc5Al7yumHC1_RjELSXc4dYQKvUb1F9WxkyAPTQtLofNnYK4CM1v2TTChtaprurLUL3VIDDc50XhAbTFgniurTb1XvZHxs.mJl.GqMiz83PBr3UXPNz6C_1AswQxIpVAKfeDEP.kep1tnNrgkFLUsFkbC.FQ5ca9JV1vmZWL.CbQ_EbL3M5SaskTHbcyZ6I4TMDigzE94PWKl0ISqBDo1ODu4rypz3GIDDyC8dl273qFRvf685NUfelM6bu1mJYMI3guqGhwRsF9p7cAQwEQc7kQuhTUdFmj15wvFOO4.MUZ5Y.8lCFXm.Q5ZTdGMjKpK8ZRYUWSzZ9oXb7GjGlkMiaqalxIrtm72_Hzlmin9.mZUfhAbgpN_5zTuIoSjLA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ad673ea6d6c8';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\/7852169304?__cf_chl_rt_tk=hA4sTytmkiq0PXMhABTLJcGCrgnJo1YVBApKT45ToDA-1739102198-1.0.1.1-YrPNOUYbdpRYOg3FWc7rv.be8.Kzb7NkyUXawvp9TXE" + 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