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-763596316824.mit-edu.top",cType: 'managed',cRay: '911056564d16819f',cH: 'G1HIwr7q1TCFYlRSVx.FXDfCybXJH5_CQbeowI72GBM-1739402719-1.2.1.1-c6ToSKSVvyATyi7rkm1SiOaDSK6naZeAEhIUpoY1H9eKabr6I7w_dcObpn1xb_Ep',cUPMDTk: "\/post\/8723415960?__cf_chl_tk=cfEK6pJontPF8abPHuoYRHm3VqOjjXJSZu3Okz9SV2A-1739402719-1.0.1.1-AxUv2UJJ2.xELZ6e8iEYXTkyJ2EB.h5itMuaKPJyMG4",cFPWv: 'b',cITimeS: '1739402719',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8723415960?__cf_chl_f_tk=cfEK6pJontPF8abPHuoYRHm3VqOjjXJSZu3Okz9SV2A-1739402719-1.0.1.1-AxUv2UJJ2.xELZ6e8iEYXTkyJ2EB.h5itMuaKPJyMG4",md: "U84gwnEZB6m5jivaoSIrhW2hs08_o45MADsrdPXjPZw-1739402719-1.2.1.1-gvWieaBAqiKR1bUUXKVbD_IiPwIq9pKMB3ycKYdNy4egLjVChUIVV1CRWmWzAcWzvc4rUlw7OHFoKqk0EwXBo6G1nlEXQVVXCu55OGFH3CCZzYk_9s7M4G5kI7zINMOK.Zd77_w0Ec9KeZWHVm7FB6dJdXql6oBD4hJO4ifh6A_N7smcWrOILVC6904aVivVOOH_fvaMgoOVanY64WFlhuNC_KymvJWLtfxCAjD8DciMaJ44mmjyVY3chc8ic9FC5HANdGYr3dnLOdJY6BJ5.QX12j6N4W2NMXbsvaZWBL21Dd9vsUmXeDRSptEmAOyYh.bK3WU9p6MZ4mwdy7mQUJoljWI7g3ug7eM6jTwxEkWl7ILs_DLPz.Jz47ZVWxh60OE58_tXEty59mbSV8VLzayrvZ5YC16WT3ufvHPCCqT96plaP6wEkkLPGLZIkH06jGmt6e3zSOK8Ve8F0wDNdg1fzMXp8osrPrJ4yrqiTKnp8CWfcIrwq.bMvuzel2NYfC4_X45q_VsFm1SaTWtT1rM2rklCfuc0HD_Hv1lDjtQViux.KKxswAZsJjkK7hMr4DglZzn4C4zY9EJYevbyTYkhW7bTwmOM5iUwBnKTMxK.hqUkYbG8z11tr56r9pArT8o3oDStHHYpYuZ0dYMaJYy1yjqgUEHr4E5CCcrUY5IhYZPld.gyS1CVGQO9OPCjLzcHgEKkUUyIeBuN4Oo1nyWueZVOqTlLw35kOGHd2A4xiinsh4r_OdAtvmp2aaQsNN01ckvEacPAZBVQAcC6lwMp1oYrHDWj.bnMR4HKukx0.QTLcoRvX9x9rKx9303cW.Wktk7Mxta._EMQEWbb.e3uaPDPyKtp4.u7s5xXf_dLdEcmTt17Qsep19.7ng4R90AFlYN7crtADrPPXOE3M.KYYPA9FKM3gRRQM85qr3jPMnb2cL_fkJ1ePBQTM87MXIoQnJOGQyFhTUo5FqzgPwp2LkDNsXgT9GvJbLdgIw0SSaoCXeByuU00iwwMWieYGljjyvrkFPWc7ZP0_1UHel0hRtsfnpbLoBDpJjLIZ7ZB5ghbDqX106ZT7llNKJZQ5p428DKtiGkXgpD_yM8f.x22PIqHZ.LHd4TDg6_Qvy7J1yL20KSR7R599A9sovO_mVgZX00dhYMpobOwmQPB6KCjRVU.cJJh0TG0j070m8UhRDWll7jMZR83lpREARY0EUX7BkgcYFCy17dNhR36uL_mdvZAEpheqjBzlqX74fr00wgrZ5ZW70yIDLrwHrG_.buEUiH7eBNzNCJsRTg2hPpE0dSkIsHHBJS.m3Z1OSJvHOGxLORI7fWJngP.lA5O3qk.QpBEZdtkvwr4erG8my.NBeCQR4qscMLNbTeylm_YKegqNSRI8qK5UPRO8iTLY1iQJd_KzObTANRgaVItu4XSute6k9CreMtgJgyM6DXwEOrMhXATW1Sli.tfvPB2EWgAWJeY2hRnxqULJ0otKKSBgUlwoYcGO8pfAEp4AYDsf51wLSwvlEZfy4uMjjXfjN4L8WTaizFTLi9YikI2fY6xqO6c_Zxg6.cFXlZp7_vCeq3jG85S_m9uVPnOo_wXCXEsHyqwffeDky5N3Egrl9nw5cgmzXZC0hTeF_WbsiKrs5Vv9HVuCPE0fbAOFlLDRjgNyWLLkktJ5WMHjjC1xDVR1LIg0PQcVZo6DIZ4n8zUiwfZkcOtyB8XQMTkTf52uKb4JSeiAEl2kd219Idb8RDUg.B.vy.GcUuwrW5F1wSE5sUU9jpOgtRemUo7dyuW.LsSpGB7ATUNPx_E1EmOpRC15ymUkccQ8TR5DTv6SIXiO3hv26ql7sVLaEMoXst4tS5_bWiqZXxLraDr8DMVD6UMislJfoCDrYR6feibPrJB0YtsI2oc1fnnT0CuUcc4iUr7JCVx0nwQU531_etaSvWW7XLPhiRjvTQlZncrhyWV9kpX1.IvV8cakY09MoabwC6Wu0xRAqjvUN.zW5dh1oQIF7XT7ZczSJ8FsCjMBrMZpI2_gXI7iAZgL28MmaGdamylUOgamcY_b9R_K6je68cG9XJtHXbUxQNhwdv_.dDBOFRKfIjoECoDVGd7dOjMRegcrtShe3gZ8wQPq1Yx6baDTOFhhZ9.TVvotS8XjX.2tpsCfPazFvM8Jrpu0bQFrizT3XW3VKM_pbSkWulSbl4OBiosugWRFNYA53tu7zPFLL.lKJ9OK33ViGKlIp33",mdrd: "62_OWr1kkHe0IGQdqfUyD8sT.oBcmyxTZ1vqJQIG1Jw-1739402719-1.2.1.1-sS6Wj323Te54TeU74cL7gty4yZqLoXdSpUnGp5LoiqiVNiDv9GdluGPlaHR520kvTPfFEQPZj.CiLw17.ENocAYHn3YuNNjsKw6tiK3UEpReQM2IWEZhIIMJ2SlqYDgWPW2IJmMD8zocNmvAh8yREitu4Wd4QKS5kM.fpYNp.n9.d8f6MAzl4tesqrZ2RDQcnV1iAr18qSzaNmNhqJ86XkaEBPourFhgQUAPq8oMXEwxGrELg1rOI.6S.yZ7t30lTAWN.kerARGx.SoGEENdVeIwGJEuIX.ycf9rcWqd2Jxv8EEMEUYm68PhR8d2L7RpMiJrLA0IfnubT6jdMtlA29tTW7HMxp6RoiShWL6P6_8PvvsP0p1dnZWv0zZVGqiKBAuMz9ccj47AB_MPapXDuCOZKiAy3Omh9.t2FSD0Wj01KMT8hk.BHtG21okxg7Xi3djbQmgr.WJDDD8lSLc01dvIy2o9zZ06p30JgSO04FPlzWN3HNoY_S.OmedIG4gkSyr05g_V_8tbPr3DblP1f6yUgiNvD453H8L2T9hNOqNRIb9iVYtRWVVZpFJfilZS0cgYDR6Q5x8Br2db_C0WTT77fmDkhxM976VlHLBOZJ6as5zSf9ahClFA.DNR17l4xVFWga9YqMolsZjYEVbe8ChqI7JLY4q7ojujQYQCVXGbZoiMp8sFGGGYFgqsc.Q_tAoizrlG2uA6sZaBWwwqUCnkF_EZfn7gpQO.hTEkiTUnVkJ_khVUxRUiAIhyHIoQluKlTBppxsVcEAx2j7lHwEwy6TFkQFCR9hjQMbODZRO0fRFn1xS9uGI1ubIJcOwHjS6wH3h0WT99cfBRmtQc_KD3qPtIO8xoOp7kCF90Cbcp5APkHbRjO4yS9brjONcOlpZVoU6oihWUahAUSruTCg2c13RHMNWi8eeHkCZSQ2txKUDGhMVBZFK.myILF6USU4GLp9DLTasnWOgBVFlk4wmTK96UUhgo2kn3Sr_JLAJHAtjpdG7gSihus96zhUTlNxzI7n.4sD2141oMseuqWLQ1uOmqgzFvZ7j1kCPJgkjwdOrBXe2MlsdZy.CHuE7eh9OBZLBGpNEJoYcdK2eCZ6xPAjge_Jdl9ZRz0mF7Q0Wo8k9Q5naBGCSaO_Nqb7oYpvCpPsugActyvl4CBlnRx9jCweM3wK5.fBR4wuQ.ffTSBoljMp2GCFHHexx6xlCCDuoPjEMdaZSMyKqwSAf3VJTieFXDgLyG7K2lNlS6Zg7MyGM1CHwEpEKu9mFdVuaHkcYDjxjFfz7lTOgMAW6yabc2_z_8oBp0uGtW6CW5NFA.dw.lYfXzDS_pbrBhT.J6uJmUFyb4K.jSFYCag1ZWgw83uP5pKi_L1OdfTB1OsMWUMo_.ES2dv.K5xVHJxSXJ7uiDaUdjaz3kNzeZSWd2zpTgTSH3cd_xH1fFv2Uw2ew1khcIMBLSfwi46QvyFmoFns1IkO4OiMT8vk4Njumvb7lWB9P1YjjLqcdCZuZOH8jqmujJBJgTKWYkwuICPc5uJiss_vvavRAxfeQXtLb98vnO0Hg2tmNY_eInwmsQeVwlDB27fnjuQns3TgHFu1ORnZIKq1e2aCXcuA4cHJtxO2waCXdI_jq1xbnWsepBd_e9I0WRzkgkvesf2N7kXLK75RR0oWolbNMhBtAQBL1SrA74sOgCRCUDUfi3JIz0i41qsVvSq3H.MQTqrPLDb3KE4NQeSoEVwoJNDlnxWjwpvEU5W44KESa2YSo0p6kwNR6ePr1DzBUGxFiILwN_txECwS77FQCh_Q9rdNjCp0gjpI64fDKA90in3jzBi5tSn7Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911056564d16819f';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\/8723415960?__cf_chl_rt_tk=cfEK6pJontPF8abPHuoYRHm3VqOjjXJSZu3Okz9SV2A-1739402719-1.0.1.1-AxUv2UJJ2.xELZ6e8iEYXTkyJ2EB.h5itMuaKPJyMG4" + 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