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-053495880561.mit-edu.top",cType: 'managed',cRay: '90f4bf2c0dcee5eb',cH: '1WZpQv5UQoPpw2RZUijv82W48pTNYRTJhW_GHRjIs0A-1739113412-1.2.1.1-QFvR.XfVr61TNxIYQbglxSfJU8jPdg0zuzz_ak0eFI3uLDC2OV2jkRqLQZn5uv9n',cUPMDTk: "\/post\/3974012865?__cf_chl_tk=6omYaVLj_hbgW99Zc3rYDe8IG0KhtzrwKDlAZfYWsm4-1739113412-1.0.1.1-vMV9Mv_3rXCFAIclLP4HxoteWG.rjarMvMxLUNPJDLo",cFPWv: 'g',cITimeS: '1739113412',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3974012865?__cf_chl_f_tk=6omYaVLj_hbgW99Zc3rYDe8IG0KhtzrwKDlAZfYWsm4-1739113412-1.0.1.1-vMV9Mv_3rXCFAIclLP4HxoteWG.rjarMvMxLUNPJDLo",md: "S0kDBc7PNc.fZIbsgSbB06Yni81qZ_tM6bbYDlOWWIE-1739113412-1.2.1.1-M1ZuaKHF_nmHmpCX3wEX_YZFC5WiKBZP.Ns8DQmKldo5NIvSL4hBuDm4LNHDuaVSfeKrDn9yKs.wfT8uvic.0xayD0va_uk.6GZSHQOmpt25pbVn.mTe2NmDuD49ilbxfoJ1Maop.TNpm5AVmy9EuJTj8rkM7K6f5p_kbKEDjQed_bTyHYuUTikX386gcH.O1qt6PRw9M_Ho3jMpNcjtmfIS7e_dV3P4C8AOCjDbReMskblE._Cy03fEd75Lu_FMfae6HWtKNsf6XUSVIHUXArw.D.NpFzNCNUp5gYxrJLdJCcIEXsgfifri9R4CpaxaBULz1i.AlIBJNxQheJ955glijLJayr2kZwhEEfLEUTsmERbs_Ry0KdFjtZFb3csB3DqYbAd6c41eayzMwDxQ0w.haxB_bDfiwrIOmKk_HR8fDFJRpgkZMcAqy9IqD0w66imiOl6UUoZjDT12at9vkBcEZvcnMuOcggIdU9dq8VGajRvIMeBbobmrHM1nxiijxa5tOVzvob19ABz..XjP1Nm0zlHeFWyvUWXtu.ugWowhGlpTr6eemYWymWX_k4EVGduxiA4vbk8pVK1JvjT35gb0Ig6cR.T2F_E_F5KglSN2KJfOmHaskXxHtugV04pHNc3He6PRFRMKcRyF32vwZqZBenJUzL0eOCS7njjbLgYvJngAcc9jsFWL7xmRGh2yKUSHRRzF_IpYoTiJzhL2ckzKG1VJibOFGlDW_Ty0v84sIgCMTv6W7Hv3b_.cURE4E67t8sd9f4QejZQI8EHF8lRQ16R47oHR3d_MDzoBfTpC6E4vDwky00AwQ1fW2shv87RXe6wSPP7yAM0KwLIfkYXsr8_eqgWO7XHpX10YFSwV15iIe3z9KWBqNHzzFb3RJkLFsOLvC5eIvPKYAOf.WMeUIgPY0vRKUW7QvkAaaE2fg34EJZgNHmYMXzt.yvt.6Y6dKeIv44OSKhdqHnotceyU3FGfih1uigW3A_J__oRgwm_H047mRG0eRSrCA6gyMYtdyoAR6u95AFng2C_tCVScCOvH6PbH3CxDweliuYlAIrEebY5Kjjem93GXeMdQQzT_.1.1_fkgCP31uPTg_TYmYn1JXdJwdFBsh3AvQ0YylsOE08RT5ZW47DRuxiYCB6NRhaF0xvcTCG9aYeSxGeaotHFtaoSVJXqDAWdjQn3K0cypfIScXhXT63SD6NRGc81g6vzqvt2Q.ReXOsWlr_7XOzGLZ8k8bqkmHV3ZZsxc3pqnHerpbXvFD1uEPPOb1ad2j3cIvXRIunQxKWwiBtvKp9yAHOD4Eq7oFD.xaDxGeROElKNeh7WOTfUwMsXCGNmhD1j44MpOG5CjPen4d0xyu11ytpYTu2vmEuWV4EZnOB8KH3pjwlDh.cACNAiITsytLw3vBnn6g26PuhpiWn282LpKZ_g3ubMzTq5CsvwwesNvxVTsBn5PH_uBVr1lMLAJeQsYOlRdswElUrUvpCVeyOHMac0dx3pI_Hz33UV6ziWX2LP.2ATUwAzpRZcXGLIFs0TIKKU5ihM0Zv6y2BS2O1lCzDcGiLp871J8NSxtE5dkOaz3KzNbkLYAckoAdzqUNP3zBQc6g2z5W86HxNDOM6J_bW5R_W2OItzT.NvWvLnAAMT8VyNV3X9JGjT5VZAe5u1GajLOyXZTInT9pRCIfzcr.wPWaUs.KjNyCD2ZBdLT6yIouYbrlC3vtQ17hgyByCb0r7oRgJyncfWeIixrdZApTCZYF45eAtWwjIl2M9AIWGimM_x7ZD2QQ6ZYLK6sV9D.i40EQqQYR9Yx1ELfbJyIkjbcIkuxE.ISwASTLEebKSpW7cmdIjcruQNBkOayOh8Mc8fIQe3NicuZ3IBf.asKjn1qI6LWeL41uDwXHX2nRdCEu6jfOPM1B_25t83DtdYbOgWWD.lsxVZUN.8BMQc8R89W7LZvC0MILW2CPQyzdqhExp3oE3wtfGxkfNEiMHOryaHBTXeLdBNuiEx0zZ0TNZ1JaXfb6L6WM4mRF4WBGl395MxbvX_hi4vQwatatMpzHv5FmCaBJOa84PgfUVKLskBsM9A..o83y6X8YAhBMN1EKFA8LHY6oZtMYYclHeruqOIY7hOPzvm.3maqcFDwCVF_SnHaI2YoJM.BFkxFUDRg4U1c1WgzQLf5ebCeM1xiyjKSiVjGi9uZsEbHxx5q88coLC7VPC7OfkeJ5qQMSZFXpdgl6GrTmt96",mdrd: "W078fG1k0mB6Eu9p_EzUe7JIODKtAAOtMK4vb0zILps-1739113412-1.2.1.1-3Udd_6_vb9VpPlFuibijkGOveXProBd.gBQInsCWIEMCWWSPS594x51qbQLWF2hwv92GOodXxtXdRKIi4TnMsKDUfQn.9K.X5CD.MKZKQDfP2ETYvra.dkh6mU3gRAt1MhQlPyap_mx23PEe7zoh.YpHN4OkXXCll3RRllilLdR7WZKwr33mzO_eRwYpW2wRZ7c9PveR1u7lrCRGtMrvzY0aICtIC145Y8DUgowSLKZRuATx0GkhkAw7epgHnnip4CnPqiaDl2EAMig1N6PUeyVcw.2Jmr.C1h3ev.9QoUN69Y6GU.xGODfFGsDpICkVhwbXG9Xuo0kr2WG0wq4NavJr8H4ieAlOoim2Vdwka9Kt44m_AQkXMK6X5eqDjy5b4BDLq56RgFqWRsnFnznMo8W3jjUA66ZQfAgcR.k6T2uXHoI6x31YTGB_Fi0k_PcPcUmsgZToaVF.q8BbU4e5lNU5WMdKBjrKGwS9rScyqinlZRYdC8cQwmC0nhzlBlkYiJxcMXM_5dZ18HU2GcY1Vtrw8TNxBmJNy2wv8eLR.EezcyARCcyMpVXREY4Lg1JHN7OorBOz9R20FREjjMS3g7DtWxJc7L.R.UAenIoGeNnxYifxZx.bpy_btS.TesjGyi318jIWU9p_b.8lJ0bJwsOCdYRV5lrgDINEAjnFOAMJJI1COdgzrjGS3uODtKVCs63HmQmis9NJK2PTR9uuWF6d1ucylkLT1zRBPoMpXgyGWKGMT802Pyu8tZwxdgYT6vRb_N4IJY1VnJ4wnz65KUPQSg7iUst5IcH03qljCtrtMb._DNkLu7IwFD7tpY7ciPtPFF5DGbHz.pILNGfWIrfXG4.ZMtc5G6eHuPF0zk7oVGqB._DRs5ar8HqbJzTqQM_ZfrXz8nIDcMxdLvxZgZrAjOD2Ci9UDMnuY_GUa3Dd822oD_HQ0LpCtQYAbEKBoyvXOhkSa2qnp3hPVtTGwNk.I2DPcgqquOxTqpJDMiQIf2rzcxE9snZSZJQSI1DLrY4WaAt2ThOxRYd6NNFIwtqZtaSlqGocpolNn_8Vq08EYmaA8Zu_BY912DMECOCbJkK_QkvkakwG1FkFUAMb4M2MEZUdP49S8Vcm8Qw9vmlrZ2DhgERaVRGwo3esx2InFnSvbxW.lCBpGJzZ_HswWSnVV5FeZMv6hBuvTpX8_67MsAtSxL3G6A3ShictelEe4HX0LkBoMQ50PHZ9F5H9M8fk9J66jJaLyvASYBMmDRkl4cfQj_xrYzBSP1taTp9qmZ88r1qzpnVK6.IulzQ_dGgStltQUkPRYPmFfgEHDOb8_ux6UcrcgXIiepS7S0LKzLz7AKcx9ioyX3NFjhlhUmWYgns7ii6rBSBpsos1onGThTGfAD1MtEAtH75yUqpixkkow_PFiC48YP_Lpyjz1Ph9mSkVW7ATvozxCmzFfZ.EjGbrlE.WSfT7eesHAmemTANv4hyGBhsYwJI9w.D2MnGya8129FsxkDEybD0tvVzQGZB_IVvvBTJND9K7.rkJZFUmLWHbUL0NWmWWbu1a4zR1CG8DEGUj45xtdGgQzcIWQg3gIn_uuJT89tsdvsIhwHJi6_9kUdNID_uF9mC.3e02gvUKaCPwdPgy_5TbemtztE3NmwEe9klt.JIHQ7JekkZxm5clKSali2xDNWaJhzxgxYcC5FporR2jc1PcwUfbu2sTrcDgq98kmN3S02.9FkF0fGPDSGNOr2z2Ws8klfc2Fv.Pyx_Qp_viU841wWP1HWuZlsycwVge0BsujHb2iPFg2wogF9KH_5Dsxnikr.vH6dJTljPQf7pSIAJbTH0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4bf2c0dcee5eb';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\/3974012865?__cf_chl_rt_tk=6omYaVLj_hbgW99Zc3rYDe8IG0KhtzrwKDlAZfYWsm4-1739113412-1.0.1.1-vMV9Mv_3rXCFAIclLP4HxoteWG.rjarMvMxLUNPJDLo" + 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
