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-904934654742.mit-edu.top",cType: 'managed',cRay: '90f374899bf89c76',cH: 'lJWDwmN9TWWAK1_kCv94NwRzTLYMRXLbLK.APjTZkok-1739099869-1.2.1.1-lCp6xD_9Uei2ZoJLwSwfa6FcZEpCVukZ1fxioeKqj6mfdlspIIxNo.vN9S3xIfid',cUPMDTk: "\/post\/9035148762?__cf_chl_tk=rKcMDhmXKLq9EH.VZA8.NXagFcEdqLQChRBmLD0Rd0M-1739099869-1.0.1.1-PESTzLzTB5XEWJ_GP7.KR6rb_8d2xVtu0N4uMvXoRho",cFPWv: 'g',cITimeS: '1739099869',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9035148762?__cf_chl_f_tk=rKcMDhmXKLq9EH.VZA8.NXagFcEdqLQChRBmLD0Rd0M-1739099869-1.0.1.1-PESTzLzTB5XEWJ_GP7.KR6rb_8d2xVtu0N4uMvXoRho",md: "fhFH87MVyYdYb3zWJOwvoxhZ0gzhBZhCoXPMJNeNYWQ-1739099869-1.2.1.1-rXlh6rOX_8.BbzoWDiD1zQoM_s.7PZNunbz4SujUwo7vOvkvgs_pn4nlHL.zXTajXR7qxXRTUcgQiKI_Q5zhCL_6odBqppMUKFs3ALJIhPIMbYaKwL5fRe_ZZPPMCBBlzQs6K2OkNypf6DqVz89R8ZFUa8WGsYw1LIH8qgmetokBMWnuFfB38xY78dnl73mX.TFyNl5liv.2ei_kjCXI8m6HnQa9RuupvmoH2no8LJkNc22ECPTcoOIEXiP7tEyyQdSTj7FN8H1Zhvlt8nACG_znILtmcGrBcRBGKBVNaVfqZJyREX0NCsR32xSqgKz0UdWLTDb1YeHbWlY8LCEMwJDt14WZl7qP7URigGeqwt9ykfil60FilKpHQJ9wGz9uT_JzeajeYrxCh82Re7posZC9seajATPA67ax22CyJneZENj04.SaYzJIq_KeyLa0Z5g4c09K8ClCOo0iSIzRAO3L9pOKaR4FoPRZYMRm13d64dTyuHDknKyCjIacFYAtqsOwwGZIl_OC3J90yX0ee4d8Ce6IGzLZ5oWB0tNfuYl5mEG2W8eMb9NN6SFYhxfuIEpneJUjWuPoYUCyJOzmTQtUC6CaKCTztY1oM5GGwVVu5Pqv2T9pIydY71OGnb7R2GwBiETgCa_t3H6mUjd2OTYujFEsu4HKZOwkhCAeHkJxV3mCjMAT4GDj0t6WWXHoVJO9__Lgmncbgf0GMktEsEfWFFXKkCDgLtc5BbkspWls1Prf9pIIvYYuHN5_dTweUIyCKXPckxx6_3ccKRnEHLAAxnTI4.RKG6atdsk9x1QmCIu4A9ABeWqJCPRgQUnrDTxCn_3zuwpyQjQN.9M48sQzvQf5UvdWTM_dytzDlyFYcqybWDtVo55F4VJKDI0EZ9lbfwEkcWVGHpp0HlpUlSuPlFjv4SJ920A6t9NgWCi.L3BdQAZCA8O6D0FBhPG.U2x.KHBnl77VxscfswXXPwHntDlz82XqATe3beTLqx1vIGEFP4Hjzn26Rs4MdPc5u4r5rlpIATTGPv2IzT0DhBoFTdU9R9tqxyYkMz5SKRK4xqLTTpsPbbOFJ62WXe1sFuQBcA0e03G6OxbIL.FLeYne.CuEQQubptc2IG5d5jl_D6Id5.Cg2Dx1xQwGyeFegKL.dMcckTYtTVk8ZUAmhqMYku6wrwgRm4DMGBEqMr9RT9sxs4izUFZlTQU0G_QKEBsGNTmaAhBgWZ8L6cC8MsVXps.iGzNjtM3cLVT2cNCFWXwbypa3O2bFfEIVz6cW1ov.qkUotBxHZCVgHw7L8lXtROHTP1F6USq.tU9FNHuLtqEYthif9ALAYypIV_zOhUgBIhmAeGZleq2Pr6eWy3AWtkTZYWJDGWTvIhe8MgSWjVoA2TVRlVy_H1NeMKMiIi7MnT5xcY9qaG40FKN6eKtGnJrudYOtjjx_M8YfVLEUi3J.rPTjDcwI4Y9fkUFylryjr8Ija9zoOzNUPHIDaARXwVqFwDyy9BrYBuCIF35I.6HEPHQVWOhzpTNYQ5tn0ZgPHmX5x4wXy8eCpKuqGJhTCT9hWGttuw0J3vpmGpE7GEEeKpk2JKQjE5yjAWxDL7BFBZtrGgeSzKGWljDt_tFDQG_fs3IHAsv5W8mJczncsQ00jOzJYh2lKFBMgAwB7DfTnvJFJ_RQQWu2I1V5QLLDIstDw49QyRZgUGCWpTixaGrt0Q4.Dgcv3lPAuAB9Cp68xAkC_77LWmgapynI0oJ1E0ku6F97ScFOscsYK6HEgRpNn7H7tgQlS_vaZ74lqe27Jxk1Nv99yOVacZFhNr2.TSP8G1jAclgQHSEVYnmMBiWpuqmbidcskdZabrj2RC8oNEFwWaSlobw0UwX3S0BWQiBT43T39trApX1T8sqIsjzZmUn1m8Yzd8qNVwe_Pk.lpvM.N_r.FW53oTZ9Kvon99uZCoiY7wjmINCl6ylbAD_gMEqVmrRa8WOCy6KmnjJ9JmuA4ujnq79lXbnUkBK0dO2dCKrxtI_6yBRcxQGoMPAYrNlUdxBKpUpoY2bcE9YXPlMULGMPRFnuwNAbsUK3Zs_HtKqfZjGJ64303zzHeLBMqEtPsZiLXLQkhGQYZXsc1O2_pwjCMOHQ7qlCP_H_lV_5W666I6w6TfphRMomChek.m74Alujhe2.sJYR0GKgo60scRPPZ.IxOWvHJbnq6OFMO6Mw7tkAh8jOemyvkk58XtbDBsP1K5ih52y5",mdrd: "KKRaqHYfCyx7bOqZPWaxrYsvGCKkre_WI5rFd9dvu54-1739099869-1.2.1.1-hZl5e2rvDzOPlppXESPA6Gc.WeOoyAnY3Z350MX2CWk_n7EsHvS8JK9k4BKsE13uuJmcayk6dZF7LfrjJpyHlBOywR7Go7OUUZvut6MVz7MqY5aMKt6Fr7WgiT1cPs_CBGu0uLQHOCZ8_p0scUN.AEV0CdpZPqGJTClQlaZdyvL.o8s6JZqGpdZsH8tXzFYsTm0yEqCDbvF5wCgjoU2Vwqhec.8mH.RS7QjmuknhxZ6otzKAucPcgaoJajwTW76gpQ7r_wfElCKjIaJDNZlRI1EnlcDMCxYYrv0GQZa6DwLT7t0l8a0JiO20bv75Oszsxvl7JWrPI9XtlCZSagQ.W8tjAtacLu1GGRkX43Ptc3bxf6P_4epTKFVjGUNAT8xDqJKN34L7DTQWST1ExJcA5fft_.uFVK2kesC6LHNFOp36UpIDbziFaby0xfRPjJrLn.Xsw.be6gEdIkWYLpHubHMeO3kZeYox2i5aOrikccsJHLGm9ktBsowlmahwGBe8mpe6bWH2JqXpOPpibuTCrvO0PIPa7H1ZAw4mYZJgwhJ_CVXWLnVPKet68DJJpaNwGRCCQj0F6Qnsqj_QQ6wOETKJxIIlLx79r71Vt5aRoK3FDBrleX0V5c6xx3x30F0dkE5c4DpRAZdSghy9CRyJpOhDSCm1t8FKxeDSQc3SNY7jdY.AXiAu.7h_5H3jGdW_SlZGs4xqK1.baLiUY_BiplkaX278tTcBvtYqhxLv13r8gZ3ybLkcsR4oAg9fHj0tC4kX4T2o7JIFR88etjI_Y6F7ORIuoLt1TGfupr8r68v5ozVd0jvGcnIQZWIVlYMzLkTr6kzgWt6A97PhWmqcAGJlj.j.svs5Xm9ZNpE94lwJM18nx7qCa3T1lblsxVVCXGNk.g71uGKa87fgyFE56lmYK8qSyUxux9RMMh_viWHWmkgg79P0BJ4eqyl_6J7kUE75oNGRBR6weHkaDzbytk.9ZPkig_rBZQEyPBYayAwnuuB23frQYKp8OnPoMywjP5HcTULIPRdhdqMwn1XpofeSWR4LDGj1KYdJRDAy8ge3TqHe0tZL7bUrjh25LoT0RNXp6Nc5PEG5ulYQPoplixWajoacyI.ZahfZb01z8lKg0ijlYooZ_WO0LrTmtBJclQMxhjKbj4NVcibDjc4eBpu.bZvXTaM0u5SytHIrJVZcbt1WjURUS0quF9JEkY7rFuJBwmT0y1qa.vpXUKxUsD5Izvo_bao5Yb0CqGLwsmFsqP4gOOnlpkrqhGmQUWfJjefQgqeUsNT3EnSO5pSStZw_Fv9AT2vZy1y4MyjeCoJcCIH9PBWdTTgca4GM8Hte0CU3tB9Z753bUZVfVEBsdcy.qxidRyv4WFXUVUcNMsqmJ2uf_99FtIel2VIB9T6_pkEotBa6.6TePLO3HetEOrNu..4bVumBEiTdzZk.UmqdhIoiOu.jQRH06_fl3vBoDQjAJUWA9ApKli9rUdVWLc52hyvbB69ndM0ABLNly1kma2EzWUDXUVaHnfSxmu8J0ISHRzucdV36TknE1fW8L.ZeASgnDeSrb1sAg1oY0XhjEs3DzWsz6aTaDvFLLMTAz7Hk9GoiF8qycWP_N0UxIJ8UKU2Mgkb731eWpPjsJCvf4QAyrr_5pPd44IkuakxyX5H3j_RZymK3wi7FlEGvsKCklj0k4hz9PwqJG1NaERL0YFBhT7xf8pcwnA2OZt.3eeU5zCObZY2NH8FZUnDWZJk.pBeCMYGDBMA2Fz3OUnPmS2gC9WX2Yef1_vuu6FpMUI2nr5mp0NSOYqk06v4PrCE0b1MgGexd1Qpaum7IqQU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f374899bf89c76';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\/9035148762?__cf_chl_rt_tk=rKcMDhmXKLq9EH.VZA8.NXagFcEdqLQChRBmLD0Rd0M-1739099869-1.0.1.1-PESTzLzTB5XEWJ_GP7.KR6rb_8d2xVtu0N4uMvXoRho" + 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