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="360"></head><body><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-038603942508.mit-edu.top",cType: 'managed',cRay: '94b8b0173930b086',cH: 'C8TYkiIsc7fAhKIMlXfQGmS1T90jI0iOnHoOBhvFVb4-1749221067-1.2.1.1-V59oLNe6SKj.c6RGEZqyMM9Pqjkww9oKz.KW9PmNkGi8GCURxPBjh6v6eSmdnQYt',cUPMDTk: "\/post\/5096823147?__cf_chl_tk=rIM.OHbrvzZZTCqUAAYiWZD4SHC87X4DP_FDSHyWAOQ-1749221067-1.0.1.1-AciScFStvMGnYpjccxOH3KeQ_.MHbHkYf9mhT6MPe8Q",cFPWv: 'g',cITimeS: '1749221067',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/5096823147?__cf_chl_f_tk=rIM.OHbrvzZZTCqUAAYiWZD4SHC87X4DP_FDSHyWAOQ-1749221067-1.0.1.1-AciScFStvMGnYpjccxOH3KeQ_.MHbHkYf9mhT6MPe8Q",md: "grqEcLrMqFw1X0QAKyHUQCzllNSJnD1AU5R3dEpktXA-1749221067-1.2.1.1-SD_f46iJJy9cpJi_dWWPycs8bWNPT6wcf6FaE5BTnaA5aDWArEkeKLCWzsDZwy5nc1..R3eo7zDE.38BBgW0sywKldgMU6iOi61bXRzHciQzEELihqwKv4cejBxQxKZmZEmiQCM_WcsXJugG3Y896YI_GEKwDRMfe.5GoTpgDp3MYBnxKw.PYqRNoLhh3Yq1kN1EQ7YcYAv58JCYuii7.tNzqULCxlj5cRgIL_olJMtodW78MPxBwZfSrqbb5GXpWYKg0SqsDoK0BZLVwu.Dy7n4qoMmx7OcWXeak9NgXLnaouGb7C1ofzAynw4fK4CnjKdZf738y.ofNBvcCB6UFJmsYflooTefWazmy59z_DmC21CmXz2dRvCIQES0R.WuKvTalV_c9NR9Wvo8MfdBFc8.EjOhqtuwHan_bIVU.h8H75ph2U253uM5DRqdV9VM5gckg.MVbar2QfoYVCmGkEAuv8MxqXKCQMb17q1INV3QiMJQeto5TFTAc.3LBbo4.iHLAKK.c6nNRCfNWDzDgutsHT4_bDeG9jWgKfC1WKQ6AYd8XDBFwgggfb6l2DqjMB5K4T6d7IKjGLPR1EjK6pr.6SQNno4t1Jbt44nX7dGjYhCsFCbTVp9wVNCVqf0aiV4zBO_NZZpOOA.qwNZv3ZnLN5VYnEcM701Rt621wb7irIFW5dPfrP9eAgQhjvxoFVXvCGcg8u4klqAL_d2OCxhorDfvVmWKpQr1x4n4HySkjwiuF7Yy7kIRGcPbltE2C.EQj0m_5NsFacgakhjHR4.CZEkYzygImNHHq2epdkERHhA249jE8gcEDJ13z.mZKwc2xb5_ZmdTzfob3apgwg",mdrd: "F8uJ89P.2CdNeihRBKRafJwUgKtKUYNs0w4USsm.rQI-1749221067-1.2.1.1-NRU_3Wbc0XENKTxCuT8AcJ5aBek9hmM60Y23uCvM_ehH9GnLp3fzID.o4wK79EhpweaAAd3lF0bUu3OPrhzFDcI2xFl5ADhZzo.lTasrL6kw4TMuV0oHOczQ8U1mDAUktQRByq9c7wml3W6Z.cY_KDzLAC2outKVy.mzMyYXR1.E5id7ofchMWbrwC7Ta5UXYJqKDhu.m8uyWF9JY3SJl3vo5oc_8COeA_bMYZtVTn1svLjxamcT_pcAndILS1OG6khDAgdfDjANa3jYlB.QSnvalEsO.okxwlVqLCuyKHwUEB6hT6_itcvOeu6m2ORYSF9UgPsl7p9Ppzu_og3M3GxmJDOIrLpPFPd7tkHTB7bC.Y.NFyYQwsMoS1y41f53JwmFbTfqR9TbVTfXjnaFdFBElSUT1ma2I.m35VXjLAIGQKz4H7tP5u2akGJIpz9MqmPyAKT_0m3o9YXIYndLL7taN7foXdhkhZYOLEICaLlMVmJwIT5EV7wzJVNCDHh8sRIi9w5Z6Nfud77KTnXKMJaNwmAbIbim.VRluNoUQABNhRNCPum8F0D9EytKUZ.pP6f5Mmkf_ZhHsdEei9l5Qqpk_bEKYmv31A1CVVC3ViPCsK9q93fex7hM.V8g5t8m9iPmCbM2qMysyMLaubCytKfUPxWsZDC6NDvoG.pWNETYQMma7vCQvxRF3zJp0epmvO8EOQZH3cx4sSDNYpItmi4JzlPKhG6ZT0MWP4kcS3nsIjPGY95E9w215v.lozv_SojMHWacIg6ghJ1.gAhx_uMFNSyRWy9SxUlxU3iyrN1iPum7uYtz9SE_5j2XBay0Ijg.yLxDy2RJOX9QKtWAgWEfVTo.sPDo1mZEEL8A30mEf.5sMtkhmwcGL7maRVRkz8m0kN5HGJEMlsWfMf8W.D.4_FikmgzpyWDd9qcwLytur2XPxmvqD1clPbKJOLQzxGr9z3RKQMj5jW_lVXgUajRWhmTzQdw4skJt8R5E6yL.h0ZXJKzpBz.L1nGLp7KPBEPjlrlokz0qRvX4xNv2JKB8gcqK.btXcvXnO6c4pehD5h14mBgHkU3yg9KJLEqBb3UuhHOYDydJ84FZjTsszHLPk6HdeqiPBqk6GmVmX1MK_1cmDP8ju84mkAhZdLFxDeH_i3OEUtF6YDCbVQ.ySQmQ21v5jJKNR1_uuzjirntk__wkEX91SkChSaHcQfNnydrCG1XFVOppRDvVjRvb3hpjLwJxNzCKc9ID6pJMuWfoFCawZHBS1u5cUyi4EC7K8XhxpWmv6k212Sjm5CqklwSHAlIA7HTm6ynMUmBRntmzTnTCqmthxYvrCd8UfRRn6o6HansC93P1UKvfCozpZUWYdusVuYYjhdCIgp4JgdCzUDtMSjte9V4nBjktaSeEezQGyYR.tJODIgMGbRqA2rE5hwSf2K50XuNMthWEqXkC2DYGeoDIsUc.38G0MJcdVZWfRcoe3eMsqTF2RTUH.PasK2l8QXec3b7_NFa39nuHsWHV6HNZMm_2bSJxznpXrny1gqC1DEB8Qtj2HW9hQ9xsUEO51aRXrazBmzyAc86R7nuopnzsquZsM5.AXyCYSWCswv4e9BlQYq3Ftj.WDtbRpI8RnRuRGJc9mxDVHzVs02Bhq4gBmq9K03MNzwN5ayMqRwzOejqW2t0I.aggy.pb4FdrOp_G4GdQ3w2cJSqGA_06db_0dNUGW_hIrRfgBapkbGJkYBDYLlGttL25U1neYZ1i5VYjON2IoXHzZ9Qog6xfzllDjB0KmXtiBvr3OGG9VdhiISCVvlGpt.Q2rQEveRikT4hgOC7Bifi5GOZZ1h5BmuWXuLfJ4p9X8bIwTc7VGrwACjqe.4cHoimUe_jj22ltc21Ms2gB5a9aRW0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b8b0173930b086';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\/5096823147?__cf_chl_rt_tk=rIM.OHbrvzZZTCqUAAYiWZD4SHC87X4DP_FDSHyWAOQ-1749221067-1.0.1.1-AciScFStvMGnYpjccxOH3KeQ_.MHbHkYf9mhT6MPe8Q" + 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