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-007061291164.mit-edu.top",cType: 'managed',cRay: '90f650f4b82a0615',cH: 'eiWFzzYpwyi4iCUi6dtaTTHWkXfNa2w20X_KeVdijZY-1739129869-1.2.1.1-teHpnEw5bXtB1ZG1LcmFdp.oukwrHo24Vuuh9xC2ohrGM4Sq9VRGbcCzWM2bwfeP',cUPMDTk: "\/post\/1247356908?__cf_chl_tk=hlOqRfXXEv82f2CYfwoCMe6giN.uVITGiFLKgFgKpc4-1739129869-1.0.1.1-3arzEHYXfEQO5VfFBlvQz2lEvO6NKxdYS2q6E6lpS9Q",cFPWv: 'g',cITimeS: '1739129869',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1247356908?__cf_chl_f_tk=hlOqRfXXEv82f2CYfwoCMe6giN.uVITGiFLKgFgKpc4-1739129869-1.0.1.1-3arzEHYXfEQO5VfFBlvQz2lEvO6NKxdYS2q6E6lpS9Q",md: "HO.RjjY9OrD7d9Najs8wLxuD27hYBgv4RIuFZkeyJHg-1739129869-1.2.1.1-U07zMz0.H5DwEFqC34oH5j7La.0VRVjdztXHklfpqsZGPi_0CKLUe6vRVIXrmGLul5d9mUs6q5x2i9LmkxLeqfmkVToYTq_QG90JHWOPxhsKzqPYvl0LziQmlCVqLH8zpyQt63_SljH1Uuyz2V56TP2fcZfSCCepPHzOHQFeuHOU2jkphqmhlVCosPE5R6Gw4yf4Afa3DUdtA9ZGpODBb34aTliOCbX6NKYyJxHODrcr8dOhgdEtq1T6lJQui2Jz8.fwtSqNU1rBZH8VH9p5PzEwW.U5WfXkPoWEblHLTBal59VhOoJkIlLSiwiCLWIvzW_4BHs6Ozdn_c1TsWgz9HaD50ULl9YxabnRMgjjoyO0IuFBIpPSLYdil_H0XQGkx2gQPrYx.XV35s7vKiU9iX.N90FAwNr5_ALuoe1uOux_hLadUpepu1l87Yl40e5fFfqXlJWXRKE.Bg0YjJQPjc58cmztRpCWXuMXOb_PVSGtXpxIpcxkga5.6HEiGsu4eGq.RrOP9qTyuiT9B51q2Kb5gQ5djHyV3FGFQ2CuQL3XifJtG3lTluQOFGOJe5.fTgvmMSCYoOFj6sZ4BARDUmyeWCn2J7iM1N9Pl9saqyIuOb3yp4lqLY1w4dHyXqSYMn.VU1uP7qGbc8oHaI23GEs68I4Au2X7Jh1eHI7H1ilseeLMdTwoKYfVAgub7HAUXpnZ3efzrPEoi3tciDGOCcai.No0nulRZAaVfHpJKUTv48b7jvKpMOEBA4lk1UxAnn.BVRpZ33Sys7t8SassZuOq1eiFDcHrti8r2CkBz0BylYHnzHaUWPnoBbfiiHJWHR4mcjpMfq5erzv6ll3vHDSX.Gpg2cc2jYavNz4O_b_sYPn57PYYwqrpQvJZz8UysGFmoc_Hyh0BalfFeF3QUOmExdnhCrJfa5Mjrzr.6YaVb1kNTRzxim1.h89rUaWipxWDMoSsL4nSfMUPnQbK_hXfKh7zLyAgjL3OOMsa9vNqIUdMQgh1fq06gswjYfE4tDvc_s1fzcWr_BB0CijlAwKVGOiqrsOJFhooLc3Y8Z2WEmGrK4HGqTOoHjl6YerBdw65zofEKnOrClXvj364KaSAZtSluXVHaJeFjn_UaN05VVzzclZEs6z5h47M5OB4Qst2Qx2J7RyzKewWnk9biMsET7Ov7yjIENxGeIxfxQ9F3aqCvYHaE7qdq8ZRjLbVxeb1Nt_pMj4LOajEqX7iFevD16JrjOJ3_ZcwLUw05VSz_QBpUKP0BHF48oA2mCUI8H0EoWFgvIzVGZ_a6h9rIzDT6D2AGL7CDfWOStLHE5lIzFHOQbncSIZ_MfeYfDE4c4Cf0F_UeQi99fpDOHLx_Pdmu8g05oEL38NC9BE7c8LMKloPmiHO_WnaEGWi.zEpaBETOhs48Ipr3blCvPNruJNvQQKY73BciAxcFgY7UY3ZOkiNkepyEUVq1lAwn1ZrubObyDdXhIziiQkEtthXLQX9sVaQV4pVFvwL9EmzssRxWRyfrbuGzBT98bwJCnGGcOiAU3gjbBypzBoiYmrTKfb_O9Y2BL0TuWElVmfAyrsBUOmFLoBISmZ9na8qkhKF3_4RCRdBRHuLNgwn37rZl7x0amegNwRE_h.wT67QZgaYzpAOoSwuTRka5eGwXXbqZKwjkW4S0JHFjSZfwqUIk7dlpEW5R5OzrtyHBjT3NGnl.tDmtj6lYygS_tWTQmvHXXUylDiKmvndWU0420fMcUogp2FMQVmyeUYOnDRvYAFmBwhp1hQ.NYsedrTP6GJYgUGf8jtSte6Z.42eyVbSPqnRFaE3hWNOrgnMpcw7Ou0dEbzR6jvQCfQl_7o8ulA59jYM6b1k8KoiSAzx7w9Vb7Eqow0suOrYbCCHRtN1xbN3M5aXtiGQOIbJgAhhNwqb5OpmEy37XXCN5puACkV0mvn_ANaL3N1ZaC40Us3lgF_qjX.8G6fFWLJgTDM7zOmvkPyquNVi_D1eNHgHDtgVF9tWqCHeTu3Oc89cYT5RoFc9zcF7F9r.0Vsei.dAzhO536KhZ5KxEsj_8vXBOJkPGHtdwvGqqwkyMsjPP.07LfXWO9aJrjZosvwaH6EoYx8CVarXkmn_t8clDp0AYk4cgg4jdgOG.Ae_VilIyNiBXSpJqceBjgLYsqzTJrH4qmSDrsiqd2RB_U0bSjtBrwCYwtuzKakx2ls8ctUg98FAacsUBDGT3j.jM6dl9pP2JbHG",mdrd: "bcGnG.FiwpUE5cKKiEVwbLzEMXU6dRejdVZRccSlzf8-1739129869-1.2.1.1-YJHdPqHdNaHiE_UoAmWajQnUPpt1NvTBLp97A4bhwScMczC5s3FA.RFTKGxp4EurAJkHL2sIOQHjsTd5um3HVLD_leCO_Vn91m5PL3rv8V.4w1YbY8uZFeSLRNvRt9JvT6F8jQAv_fwKOeuM61.3fW3jOisgs42Ak_plGhV3NLYqSSuPOusqRc7Q3JwVL_NXSNaBjGrVmk_C9CtiMW6NYAVHdKtvu_6M81i8IPgjNY8z5beDfmpMZNHi7fm0G5EJe023Lf3zx0KN.EX8kzDMRJe0pvj4FPU5.Ie0qcWCv7oK6i_Kx0IlGMl3XK8_gfRIy8cm5_9iBifMnTFuWRFveppWm9yA.QNB9LMApwyW8wV83xmq_SZY2KIAU12lg60er9yZxVwUdnuAWkMnLVuFIT4AqDnJhPy._lrHHCcUPCw4sOQ.zya.olS5OSf4ShHmaDNaRTQM1rExzWkOhL_kSrZytIoy7FeGX9laaoW_sgzzoLSndeUKhigLAjyihb4QsXhhHTjcume_j.NO2W.hVIPTyzrKRTF5oRrWlhNt.nBWbqxUggwfvoLCanwtixjhXdk96JdUkp_TRS0.5MJLmJFJCrSte4AsizvLE7HHlY11orX5wp.ytgvzk6BeM5QEkn70wCaP0ccOYd64Ldxf815TO29mJI9A7GbAg3V6yxoB.ibKgW9PWgA4vtm8uudeDEiTtfJT8PQDYeTojweAtNu0fEx9ewtIfHw_7off.SDanyY23wY6jyJNjqi6SYA0oJ.RcqAmyV1vwcMFjRs9kB89DNE3ldxc3o5im37oXsXoRo2cKK9_MSLQ.doeQuRjfgZXf8IQw6XVWjMG3pFD4P8ib0_pBFz9izyDrDwK3Yky_YJ3MOZP4MIQV8XN1GGYCk.jUjyvEqF1Pua9Tdq17TmP88zEalMR.1ImcMyzFNN9WcROvgWoS1ACFU4_rd05AMDFeXiIt.oATYqEo6huenYGRrwKskjhb8H8FDlJKERpVgJ.qe5fkRAXGEv3Lk.A2vJbjBtKJxucgOtzxdValFjA4grId0BkoHjRvUGrPCV83xe_gYgX42tNBsHPZyj8Qx1Jkxu8QQeI.q.JRdGXfbSpfoPedaTjm_DUeRcisW.bVWeGMM7fVAYw1i8QojBm7EBJaT3Eh8NN_kClL8w.Mn6G.tJK36lI41sn1Z_p7xpGqoydDLJplQhS2aLddCRqfUr3pnHjETT28GN228BBrGS39naaW3beOLCr3xp.1fyEAxmXIO6sReqn7QaUS9CrfQg0LWePeueuIe6bEAGXQPED1BrFxRslYueCwEp0aSngKiQtR.nxfUXMWo.ngdDHBAIlIGiUmWq9plOL_F0vO8P1JAwhA6Ye0ExvCzjslqFvMQElFgSrFv2OVzzD98ABqSR1IczNo8UyVdnmGLyHoMv4iw2v7FsVIgppc5W9CJzdcIePHPLUb8VqeSN0xkgCIl4pf_w7LNcYZI0Bj9FUF3O_Eur30WK.tVqk8kOZ3iDbcNlj8LXVFKkMjXGnDjRa7qHQykkZ4Qp35AVk5OO2lUXpIGzCu2Es_gwgFym.py6ngmJsoks.eJCW6VSnpF8e9JVKCNFFuoc.cgkAiQhuQS7qqirujvgJATh2yymDo1qC.qyDjWqDAHC.Ah8LuWOJ4YCsu0gLpXH64Py2b_15TJUmsvHiiK8NHoCeot7a87_uyDU7P4CLq76gFJJwwM5f8JRG5CnRMFOpDHROQdyyaOFYNJklOLosbr8U5OaQJ2N14nsFU3ulZP1Jo5r4_7Xuf2bFYwmEnL8Q1lWG2NXvvlmIf39gWwzKrPTvNbcjq9Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f650f4b82a0615';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\/1247356908?__cf_chl_rt_tk=hlOqRfXXEv82f2CYfwoCMe6giN.uVITGiFLKgFgKpc4-1739129869-1.0.1.1-3arzEHYXfEQO5VfFBlvQz2lEvO6NKxdYS2q6E6lpS9Q" + 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