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: "667826.mit-edu.top",cType: 'managed',cRay: '9110cbd1afd08290',cH: 'WnFJvyTubK7TBD8QZOmNuOjdcz41RrKJJk8nULEgc_Y-1739407531-1.2.1.1-M1DeuQXy2A0Pkiy8uVOsmzMYnzSZqE_ZsL349ZaeoLCTe66bu0XBMhsVHchbruv6',cUPMDTk: "\/post\/4095168273?__cf_chl_tk=CFUHNPy0Gm72c_bYdhW7VxR8p5U1QHdnfF_Cgz3UIpM-1739407531-1.0.1.1-m3oHwQL3BY1VV2SoeRBU2_fNh47qEEbTr5cZMjC7IsM",cFPWv: 'b',cITimeS: '1739407531',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4095168273?__cf_chl_f_tk=CFUHNPy0Gm72c_bYdhW7VxR8p5U1QHdnfF_Cgz3UIpM-1739407531-1.0.1.1-m3oHwQL3BY1VV2SoeRBU2_fNh47qEEbTr5cZMjC7IsM",md: "2G.Trcw55WihuJSwoUCtxf3BTgv7inp6b.WrYJTsJP4-1739407531-1.2.1.1-_GtLIVRzyqlKcCeYhinbFmo7SnQZKB7nV_OgLGSpuplVEmGEQcKCBMjfmaf.R9htnE8yv70rpRm.S5GYT1Hp2pCuqeS_N3EpajHNFCVj2TE9SnvHPPzAkILaoipomGkQeqr49rgjDlycVj_JXLnfdlVFlcIKr8ZvzJo60199LVt.hYlV0QM4OxkJoMcLmmtqZt0kpMSb0O3e90I0qmvO6Mx52odjn7cLj0GFMJT1ZR5lLKShghqJmdJmS2ryuqsEkfbpbHKF9QEiav2kakZ2CJvxRjAYq0MTmImNWQ0HuHJ0E02cJdaBsAjMcq3SWxHk9YDrP5QDh48kFN0PgC.CWgvvAL6iTzc9DnHbHbxQmE0QQk7bz0hv8q8XNW0ylVvGInsEOEGXpvPF29jpF4L2gHTFjHhePM2tPRIgimqO0VtjW2jDiPwiZPcAqJSfCCdHIiXlDF9exLR_LgoNrIZrBVJVFDsgPhXArc.68JWfySI6yn4ESOHvgCKdkpvR0uBSmovF7NaShuzpnY4XlHKwYPNMKlRKkQPdO7roG.WShsKsu9aTodqXnzqYOdK7.225L5a3cfvpkBIUGROnrNd.XhA5MPoIKUio9lPB.bootKin.14H2vnEVEkxfUXZPwidn3sIusd2WlvFouaUocyQBOSjpF6HisQoB81GNuRmcejuk5IiImjrNEKauBAkKidB_I_U13MYgvC7YrQQ_nb3mwxqZaUGjwecRjxbHD3eJuFopR1BzclVh7a3Qz8_jqYJoGUNWxaarf4QP62of2wwSdxta2jECoW5SYl80e6HrdcCsD.xQDFgDmQ5GWmFI.KsPjpaHL7cn4WnxZXZ23PfWNIF2tuk4qvqV6XtsO7o1gJZ6XqMpXdaOAiybIRezoAOJlWdHGLc5Jc8FY9hssd6Xs3qsZ0u64Mtks732jTyEkWwNIe1sjT56Dtg4QcyHqJvaJV3DBQHVHrYfHn.8zmnGQYvsyBc1C8_A8C96ZNhJOXl1L03PhkxjSDJXrEPOH3wyPYRDpkQptyM4KrwkN2DyXvpcziOtD9Uez_ePKqUHvLWt3aVfaAqlznWjG7mVTFayTqf24aazM0rUA4_CjqogjbyYyr0nEMFa06hj1DZ.sLbUIlWxAn.O1G7zwuNjexhJ26nUMJDMSouS3f0yNlbp58LS1.JjJ4QwHt6yU_98LpcoLYyzbWCVLfOsRs5x1fp2X5IYJ8Gb5gf5.eOTKbfGMsa1jzBUn2jo0.f4QedAk7ytazgZDKaTCGG0pSFoY68HytnAZHmBBFyBRWIGEN_8g9UGAtQ052MKfHwRdfXIVaVBtHNwmdaV4UU0duv2lbtwZUj81mQELhDD5bWEpMfhBN2aHax6QxC753zQeuPMUSO9VjTqJiiTEiEqlKccCil7bau6_nnLjmYCCNrUptZqL0abJNNlYIfdekKvfFU4TxevIZvAQYn7dq48wx3DlauAFGI4ghe2Ac._CgHzrMkcuNHZr3MdkDhCpm0BkngK2p4KnDi2f7YFfm9eHWt44k82lDX9bv8PzNgj5orgRok_fW.V44DDDbLxN_Ha6wTQF1vTFBmBPeiI9c8XaNrjqHtatbm1nfVgnpe6QrXQaO2MUN8L25Oi.Yc3AZeVtzLqgXfRU6zo3vTvsigCXqOMIg9UvxoHaHq7fXdGd2mnsH9M0mvVww116eiefTiGtCXKHgLC.nFOVMqQUGBnHb1UB9Kg24IFChLV3L_MgQ_SYGRmwx0o_51d3eJwknlT0DBofO7c5ZK62bVVpjWAtajx8BTlNvZskTRnqmalhk5R5uqD17.pFfigK9h_ABd2Hzxh5l6GN9tu0GBZZFyamZZAwyljfGN3urItVj4SE4nyCmEvwKQbo56y9FCvN0l6JXWtDjL5QU5cTTet5373F7PLJfsSPFacHpHgzy1NpY.W4MhEwbNLyN8SslMapKgox0IC4IbCTfVZboOL0y7ysp2EIIuIBYKuYSt55vNzJpk8X._MmH7dQDJJXFk7XPg6H6S833ewvR54UOmVEX.Id4SPu3xVQpqvsHkZlFNs8Ggx2yLVAmNed0hRRnerVdc2H_jwbSd7cag01M47lWYZtR9u.iv1rkzv7GkEe8fjGvXSPcbzLcvmSEdV.IHsNb_8MSADvZ9bTTEuk8UyfxedkCerN6CDIgD1rLfqIbLtQp4cNigWoCXhCqt5yJ3M9FuxKfZkAo",mdrd: "HIhfVYo3RjA_e.MZmL_hM3KK5HL9uedbF8NDy64Byvw-1739407531-1.2.1.1-1dP2VLMlr8CwTlFnAmsQFBXI89DexwEV1rIKcgLTf_NgVuXfS8ZaOpKRHOQpxeE4sLk2IzElGgc9Mfajotuz5y7dju0nhvvnz_qmgO_OIleg8gUXvfT2m8fYr3fcTfggehrKkZc7aUxkT6QUDhe71lC6eQW.J944Y_Y8rvAestxGh6gixDnX9Sq40mNV5.PjqxmTIB0q2iaP3tAmCJ4UkhJioDzIX_4H.5_93BU.nKiCaD6mXcDTl.fWiidp3gXM66n7NK2rRK5ZVZIRoMLh4AiE2NKFuXn0kT66PpBabUJ9eJTa2B8yWZHUuwH7h4LQ4XpzIUzmaiBS1b8cEJZogtAzJ3s3hJcvPDx2LRcuNoH2ioBmgoy4o8tdi3vygnzVOawbdoRNFRtKeqFs12Vuk7Rb7qNd1Npuoas2GE3C6VC9vIlR6s8y4CYbBqbAh_wtJjvPdxA.IK4Ti3dGgmpumFX8qKY3ixaWEEDZGhAAfvvwgPgLp_E436nbYI1YydWeIEhtlzcma9AzFBbSEbaaxxljHIcBLuX_xnm4FSUggBBmrmD3O9kgsQBkwIY.5k5LAkDZTK69pZQq7KeD8ahpPK9jaC38YG9xtk0AmIVF7W5gDxR2jXnNtcknp6ZDiwBOVd0p7mXNdtp6IxHT23wFPbWrDq.7jACkczUCizbQQ9YcQnF7NL2EkZ0DarPalWdsPFG83Y6SwTWoD7UlhYopFmTa7iu5rhvvwEKiYkq7bFMYeymxjunYtu5FUK4_bprkN6tdSHUTiK5Py_WMIW5O.D09F6oxNXNtC4ILQ7uIcadm5rIhtaWzeVHyMl9heAM5ptenlj1EtedBwanIwmWhlqYIz8EFi3Zm5Aj6HOggS4GgTsM9Q_oalBtoNi_b2NJpv1eQq6WtoS7URZwPEL3gOG7HuZ_fXIQXXN6zU4xbuztb.iwSNx0VeQxoUcZ8dj90hgNloNM3ww92Et5g1C_MLwyhmO2p78yzu0XLOB0cpvhywZ4J8xb46lFeHOTuL6ucMCUemIntL4SrS8rskRX8z_.2jkhhodrqbQOD8wG1lM2VGTONcJWz43DwnDGJ2ZFLdb4pS1zyIf1zk_QbafsJ_vqNucd1QuOa.nbmKUfsg38BIQkhTy1pmEGWBZ2mUPhyV6undIB_FH.ILj00bhF6j0aXIu11D4eyHB0T4LttNC3ucIi586CD2PoVen8TS5X2T0J7HluArTvzJf4mbafGSUiPmHg3TBDLR1XQ8TLXAubhgb2gODzAY11UECNKAmyiMTzZyYvouXANkRpMYgvVdcKqvjGsjOEWEDbNPgZZ7dvEAfvqS0CgAETIoNLGCMuWeJtYv6ib3M5zgZVc_iL24qQP6wUOZ_uLyhYXLARm4Bmx.Il2vJZ3Mvqy0NEXVL_kTxfBfYbMpvZHruM3yhqpDPcL9F_McYBH1H_V.2PBvcYqfTRAAodWYQK1IkACD8i1r4EH8sAm5TM4aMer0WpHE5KcuOIupObNGVhnyyAWMOOWkicc53u6y74Z4fRYVmd7Oz0umWz8qSnBiicvjZ_UophTd0WRjW7VeXFKoClt8c7hrgNpzPBL7Wkm5CvyzbHzELE8eRHelNnj.8PDWg8aABSRmDHgw64YzEON0Bj_YDOkKvlUARN08Oi9pEHvjz1sJx7diwuxr6xD1iPIIZ_eExPOPvjYp1PSrL7Dp9Sf9iNzqGY0F9WDu6_oaNzzBLC_PqRf4Htrg9LGMvQ5c7nCHt7WT2XNSBqXb8OZ2wV4wmsSxEa4s0EmUYbJOIxnaFjBWM_yRdEqkEwKD0dnztccFQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110cbd1afd08290';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\/4095168273?__cf_chl_rt_tk=CFUHNPy0Gm72c_bYdhW7VxR8p5U1QHdnfF_Cgz3UIpM-1739407531-1.0.1.1-m3oHwQL3BY1VV2SoeRBU2_fNh47qEEbTr5cZMjC7IsM" + 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