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-821171305137.mit-edu.top",cType: 'managed',cRay: '90fb354739661ff2',cH: 'q29pEMRoSY8UrS0mkdUXXsedibi8bCCFALa9k9KeAhE-1739181164-1.2.1.1-lVdrmv.y1vvq3RNvPt.IOAtVbduSqGKYvuKe_kT4oSCMIwpFgRB0N7ShKcCjRzdg',cUPMDTk: "\/post\/1329045786?__cf_chl_tk=jYsoEWGVt2UVsez0.Ukq96YxW6PvI5U__uWuqC8SZ6A-1739181164-1.0.1.1-tjTeOQVpwabkUnga1WMWyGJ5NyNJI55g3MgkN9r3Aeo",cFPWv: 'g',cITimeS: '1739181164',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1329045786?__cf_chl_f_tk=jYsoEWGVt2UVsez0.Ukq96YxW6PvI5U__uWuqC8SZ6A-1739181164-1.0.1.1-tjTeOQVpwabkUnga1WMWyGJ5NyNJI55g3MgkN9r3Aeo",md: "_FO.T51oeoRHu4ETTa1688QVaAQLhblzy9FtI4n04Jo-1739181164-1.2.1.1-ToWiICFQL0_u0fSlhJcAFBuGfCZ9hwnAYvOD8SU4azjTbzknVU0HfSeBvGsg4O7as3pgkZN2ohtdTAnJTNpIQwdBMS5pN0YEi7LHK6axgysVgT5WItot3CSIuAqkfIwGs8ZaDpzGXxgKVlPwxR6gk4Vxvuac.gId7zYyg5YoZqaeIGIe6Y34B9v6D4N.rnt4f2bpqEutY8DDGbjOxFVxPTBh.tbctKR4iyItxI8fULzbfSVrhoSFdJa30X1oxkk4kDTsa1CbBP0aJ6AesbcwrPiMiPnTfBook9yC_joL4i2FXbtX6OUdDvJKzeCoh7qyEjDHsmGOKNdEfV55PjAzt_kn6E3b6vbgPb25EHd4xe3Z8lQcuVYcC.Cw14zIMVEdlAMHhGq2vZT6cptnuytOhmfFN.mGJbrcC0QIRMk2Sev7bbM0x7KhV4yHY2XAs4qEjxQsYnR_Gdw3Udk_FNwzzw3KWMQNeLyUT5vyTM3tzD1oDF_OyZ.nk8avi2Gn3wrEUCc7EV3mHZJXGIIAbMv6RIMctxoCq7jUAlKvVR7juyTph4O5o0fK2Yvxjyuvor3HRqj58Fgpld3mCV9EwoIaqdRf6Cil8l90W8McieFitzqmbNfJOBj2M0U1uYCaAdB80RVefViIch6bjwnaSkKbhmbMLrYMM7EPvbFSlxCqqpSv_ATIJOTS05cQhCvK.NEfUORCDbRbn32X2d985Y2lQMdxZBxF8irNVCJpJz4wKiwSRdFkWhm48XqLnrppqmzTc6J3tcGZfQ0wdjR71lIXLn3o5qrodwXpAIKebeenkihTPlKd_FuMa9QNjOZcR5zlgEMHeZEh_U1YuLAhCr.N5Bq7HSmxAv5RXCekfCanK2uV2xxLtj5ld.IPWXzIAxzOOgU8ow5W.oaT3cj.8X7j3rqe1Wd1TDmpS331GRifS4DIiFlS3oWPSSkwFFvT_qxOIel4NrTNilv898Z3E10oSzWyMajY7PqQOJuJbBbS8mQDax5YNP1hheG3pm8oBZN8SxFgA_fjSj5wdIumrwwR3AzPRRp96pohjMsTJlihYE6tHhWobUV6VMvVDXM8Estn7PgR8.EKhTwuMrxe2qzswoHziHN9DroEElHaKUIIv7ZjkEx.x0e4cifZymtqJmkHYDLgQ9vE55dNz4OCOv0c8rRob7DaIOODu8q5GfsATnzw2pg1CmNGz7s6_Xz_lNdHcyeAvexxvcWQRxbOdehKogMHyRDBQuBHSPQA3Ygk7GTxNRYfFviZHQydexk6l8Ee_7s_fI74Pe8S9pTFa7ZB0OiehTobcVPFThLcdKBCAtJdamXBGyZ6r_k9W_maVqXIj7sPYkefTc9jaySsQvZJkqZR803JFtoEARzIDMbhwNMnwYqlbS7zGfi4H5JjjiWwcG6zu2lqjChORQrJu8zz0aoSouFzhgXI9CdUseXKkdWBGffskX1PSWUUWYz85uQANuG8y0ygoWhR5fZJHrhpfUajTCrQurXzOtAm3HY9wUCI_2QnwR272LXPnX7rY_1GJbTjhvDBh.wWEbscDaLuVxhVrHq0BFc1YpycNMBgkSkePDhtdsk5KMo86cBY_S9Wuf8qNdg7V1fXg.CBd_vxjWHOu_E6CB7ugCncG5_CsYH_ZJMr0TNI2aAd146xAUOhAiCspRxyzxRXkDFZD46ObTogo8fL1MDTNjN7GzkQ4R7HUPD7.We6Ug3vZmNxQV2cpc2SNdPGHgbkBRBVxsNH_Lz5p4Xhz2dH9XyfAyMrlbYnXJZZNMcEIr5yBRktHoAKpCdHIsmDQh926ziDRKXqnzzWzi7Hv_dX2RNdRgqQa0AELx9e5ATBcGmpQr689_rH7_ijAj5CgQ9GhpIGnbAocD6z0.psIb68bHwVSWWJiqL5Nwj.WND7I5Cdi7SzZsPKQKx1LoS8KGZ1yZYteOCP7C_zr0TcP4sJ28gmXggD0pWW4JhlO3TfDzhxruWAkiXZSL7xcb5IVufMwgokzzWTMJpa5PBydHCdTrLeH0lYN9_VTnMF8b6kNlo6RJLuTTiKTb0iaA1ympiWFM1S.ein67zsK7PXi.8xAKIi.Eny6CauFuUDlHUb_8c.F_7Sp7ekHYNsS_98mLCyJhnUewqgmIp3oTPs2l0WQG0oZaVLR8FUdRrbmQbK2sAbL84EIUBkN3Dt.1gzYjF6jDbhCYEzCU7cEz8ooLakLmWK54dx_sT0bbMosBa8oGIFRUxotYSx",mdrd: "ykWwZYkSpQgPKDYB.v8Y2GPPSUgOqtG8JdeS2wiIZXM-1739181164-1.2.1.1-U3STF2IEHr_PK.AKNOgoLnkxYjwIitsz3fmcO5DSboYtACpcl1lp3_idKS6FRUp_edaXaM4stW.Zwmb1QdYqBkOt9ouOOBYzEfVEaLaYRxWh1.MHoHko3Hqdc.p3gqbH1YWB509bXD.eUwTARbaxwNRJoszW1DONRmW4kgMK73NkpDX3JBgzb9aZHACM_AjghsTOt6I8gFA2AoQVkMUTmqhEHGX5YjOjcc0k5rIloYxcsbf86Q9KXFURuov9tMBv1jy4Pz6u_9v9q9HZBWVWeMkWQYNoHUao7_cGX.B5vf3vzSAXzAgo50Za6DUl1OE.bRXTw6HRf1GekZNk1e14LV_42R6ul_YXlnPVv1Anc4rvwj_c64XWSvSs8JXn8SERWlZKf1rebReqzeWpjyi.YPL5e965MXwxOGKsExuRn.MSEUgo10wnRpeKNKXHSFJGr9NGn6tN6ZPteU_0RlghtF88gErJRV91dxG6qs3Bn2NwYdy3y701Ol5v321LKG673xFZXfEgxaplBjMv1TCN4N75qZutRBuqJhI1jNZwsXOXH1Qj_d8.OroTSgnBowHk1L4hh_1EBXKAumjMyYUU5WySt25aKaXsgdlgxpClcN.UOLmDtXRPSyJX0EbMdxU2TxHl7fiITzjhd6cDGzeAtaFK6oRB1oAjL_3zbrH7UjacpNUoZtVO6g0zRAsa5CSz1k2FeJjm2j1qKkIv70uf4NgXfwlJozFAwGp7YC0iLaQwdcwOe6UvtIlph6ZDEJq60cyojuYDOVhCW6RmkbPGXBqMpK3srbTwfQq6d4hB_7x1LLw4BfTP5co5X6uOxGcixkvEwhHYeFOuNv3WfOeBedRwvZCNAL8uRrCcJ2eVC50D4N9Q44j59lJAAxUkInv_TVnZqf6RNUkOjtajiWJ6axi8foU8qKrNOF5YRZN1MIOJwPvGpPc6XxLAkreUKLn8oRwKtPgPZUNmNcu7qViHjpyv1vyeyzFyudSp0F7HA7c1M5Ne70UG9gz0Y_iY6zMO2vCcIT5EVNXTmqqwOiM_jN4.tY0BgqL5dP_eL4JPMHt19f3R5nx3afZD.Uj9yq9qzFftWS86BcmCBgDZMtp_1En2vWy8JFdPVPFxt22_BfPJcZZK4KJtx86hrXuKKR1P5ksppBA0Obnn2_lKS1sHLQi3uL8iUYIpgD7Pc0FbtfOUHYTIUWcTITTlAZEl7uJ5QcSYO5a2_6AmUCltAcn.haxTMIQsFMrENwaGZGzLEkDNSrQEKyFHb95EnUlfAyUwVJFSEF3.879qp3IFxnoVrqwB_aKx2HrYOp.shc8cgySgtLhVMoVm6IVLPbNYOhKOpacPsgt2HfgF5cv0pPQzXjz4B8BubtyEN1yIrkW8lcmbTE5_CwsrWOX3B.BfOBM_hvLCfxzAZtnaEDyPpns61k_pKKdjPyqoLoiRBSghHPLqwjK6g72jyV0HBrJM0QR24Os2WMpV_Pz_euQjVFVXpAi5d2RTa0NtAnuMsUccfZut8Jxhk1OrxWFOmATcQSQxjJvBohYYY6RkUBOJ.YMaaXxYwdQmYcicVmKGQMNkBoYBPqTQg2ZvTr77j0TrX4j22vwYOzlV5mXQTrbN0qJvYpwCmhPMqFIp6FP0UxnDoBGRdXdTCf06EWZIbB621Vx1LlP9WAt_YMLtSTwTUBRAlI53zJU7Ux4GooNFnDAoy5AYkgzu7Y926YbU9GxuD084Q7g05gZEUERpZGp1GpxVfjORIB6ALyRIWLbqoteyNPIb4zCTbyRfjEOeA4Nmnm.f.m.KNsZcYLk72RBIr0R3rEGbs2w1ugAMIC0D7sy3gkc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb354739661ff2';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\/1329045786?__cf_chl_rt_tk=jYsoEWGVt2UVsez0.Ukq96YxW6PvI5U__uWuqC8SZ6A-1739181164-1.0.1.1-tjTeOQVpwabkUnga1WMWyGJ5NyNJI55g3MgkN9r3Aeo" + 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