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-affu7zxar.mit-edu.top",cType: 'managed',cRay: '94afdcca5a10f28b',cH: 'F.bjjFtrYLTrMzu60YJPAAqxsTnFWdpymvcZpc0QJmY-1749128526-1.2.1.1-aCSkvCgmGOe8Nzo5CIGWgXG2vFNpbRXsZYT5A_NRRBkDpo0Q3PmTxv.eBG5VXXbx',cUPMDTk: "\/post\/9185746230?__cf_chl_tk=aFRoghdHubBivmzmEZ2NTVL5AEawTgkAOp8cJBaUlzw-1749128526-1.0.1.1-SAhmTZaiHax2t2R2nT6hH8KoxnFR.pQWBLMC4qHFu1w",cFPWv: 'b',cITimeS: '1749128526',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/9185746230?__cf_chl_f_tk=aFRoghdHubBivmzmEZ2NTVL5AEawTgkAOp8cJBaUlzw-1749128526-1.0.1.1-SAhmTZaiHax2t2R2nT6hH8KoxnFR.pQWBLMC4qHFu1w",md: "IWqkRw9eiAxxstz4Mv2uimuMay.kQswtfPz1bQRxezY-1749128526-1.2.1.1-EybhrFIModTtFh8YidHerTcWF7COPjoa.8N5jLt0S3Tzr1DTyxfBg.f8WrN4SRSMstngdUVlv.5Uq32.4Bfj6IskYnOZLxJoXFL6D9cDr6kqT88MSm2geQcz9Imu6qQ7TtKNMKklXWVyVn81MIR1ovBdDJQ7fv6nfHatrRZ8dhpzOmh31ZHjq3A8ecoQFepaD7XeB8NxVJM.8fXyt4ievm99Suh.hs4piAdJfOtA89AdV.OyIVZNz5qSs1RBx04h1PrXR_V7Wd2w8Rmtnz5Hxg9yv5mViaicvLeSsm4qdiFz5onA104H_KV08b4vnYx0LojFNB.q0OzlHYnWVEI1uimmvi2924_TEjJh.LTs29HFHFrCGB1igHt59o0O5eVIRkU16b5Rov54zsGqnshX56r4esq3s1pzsTG5V6twWLsuV.yt.Dj5LblC0EPrmMUZHoc99ACTXKX91N7ztVxZ7rs1xl0m.DWKshSZZDN1.b9.zuvxCoIk_ekXVNoC7LbjQdhfIoHuoW57jSUAuzMxI7a0C_JbWDCvOdNJOsfNJl3dXRig3re2nna0HCR8j1zOJtAxORteXg5L9RujeC0MnYVBDS1G04X8EOhUkeyJMUOzLyBl1DJjcV.bd8sb8dlmLYkq8KbCrJGGmF4g5XC7m3fAYmSWaZcKZOiFbCgMGiWNgb202BUipBd0rblkERfmwNKy2Fzs7gTf1TJT88ziG5ApY5KuYz_66Jk4FdlXCeqhwddAGn0JDo8C1jaA4rBg2Zn74hUcZ.1UHwdaSAeuFyfWPKE.u.wrpu297gTxFTim7YhUcAqr8XYjPAi2VARn",mdrd: "nVT6.ZNXMKYy0SyRsCHwiwvlZvNsFmIpCd9cbJa7YDY-1749128526-1.2.1.1-mDD08.iSki90tlSVplxaFVa3GBq1t9OkMupot3okXM7dTb8ftLHpmxFoXlJsPI4lsU6rHa.Gi8.Jv1m6oEnsnF7nKC1eL.t3f2DpPl8mnPMsa2K5aSccwPk9W3GEunE.IxQOGu6EfIMLK4CcuVMqvdaC_JQ3ghQae1fwyLNzpVXm4.7z9PCuHYHSad_QoNME3kXNQWpaqU5gtwrphOqGKjpCEAbIf7i5QG_hZVl1h3BLeDyhgpnfxVQH5Z4Mk3rZ6Jwq0Q4Rs742JkQZbBEUG3GJP97cEkQwWLkt7e0f7GTJGSEv4oU779GstjhVsF3narqWxJP6VRlDFr4nS7LlRiWpLcYi6ogXilRD4fD_b1J8Q.D8.oc1h23U5AgDwWq0rXGVH8jTHTbZbDTunPXpqHRYlb2MUBAREKzuaLhM_4uiFwNnAJ8SP.YkD7kxgs3swl64WLND0BXJQB0F_bR5w8kyFf7JpCtAvgwqP4q2PQSGah6stf29qf8hnjrKzMRL47pxP6.Lo04dzXVnflEOYzP5ljrpas.83I6fBawMASjDIXychy4ps4zuvpeWCzACWcqak1Xb1tkcl5Abnz9p8pdGIDeB74DJggctbGV5Rdy1RK0zf0AGcRsdsS1.Xq2JDNC.n2u_qtSyHNp.Ao6ODdyeVKGy87zzMgVh.s3Mx4NKumdnq42vkFfL7sDfFxm6VTSuQLApqcOVvYQL6IqEPELPZglsGrpmyrPUjI6BnlM_F0p.fNy1Vw5po4jRp7iudGJuY5WyqDC9gKyT698E1NxR1tRtntd2Rti5B2mNkmMYEWYIsjSSZskpQckl5yeFzbqcTq.8IVlIjPkHK5LHHOmZcKKk_Co9Po.gzHQNA_Xemjo30rApyPI3O2_90s6KNZRaFAcFxS.03hIeb_Cg2KdfiU4s_vwza6IeGNZgocd4blRjm2LNkcv.gMH6xJe8tnXLK.lxltmf4DyMqM3FIJIBDW8O9ihayvyws1It_8Jf3Z5INXVmd7J6LvmzyA2AgpNCA3tSMmAG0P36NSjiqXMCk0IXA9jUnevkQEBws8AT.Q_AFrYJCjVP2EBjzlR_dtJLHEng0Tzr8l4bAXNxt3kuPrw4UZSQzAPVKih5HZi8aaMslU0u0SINIfYjeLJq1Z5kXEk55XZWsS6W9z.OZfGtoGtWKLAESdzAZ4Bzr1942hs0yQ02k1vsiiwIzV7kV43A8DDnjiojklM9uRqcRT1KAEsMQspXA2D1DvudQfKeXrOXcrkedTKtCxfrK77PstxBB7OegMXsc3wxOxaVfck9Ek99bZn3RaWX5FKgIBEimJPyvDaZuCaDcVEKt6JwptxoC1iZPEEXDi7ZMNsegS17k1u_PTLZzGAhkmAIAUXAMXwRS1uAafjjHr9FS6meJGQa4G6N4G2XThRs6H_wdC1BdRPO4aMKjnjCi4UBYD_y8bxux.EZQziewilxJks59BrxDx4Ge.99ZCqnF1AeFDkm3.YhNVXn7X9djdB9xra7AqYKmWXesOYv5ym74rFweuVsPmhO59DN60tJZDpf7RxngS81TzmmUPwZ055DaxENIDba1o.3VfWuyExQuJbVQzVIblme5_ZtCTjNP4xt9mh033L6Yaq2YGQVwuIvmUG97s9qJNlaoWYqhR96SGFQDcaT9vUHrYtbFBQLVMw2j.KqE3tYNVXdJ_1SJ_T1wORHZFm6b0.t.ckRN2SIRyU5DbXxu_fBoeZYuT8HJtCAW3cqjzc2S1OZ0G8VQ2fXrILTDT4huXI4QpDlSfP1pLyhYQrPVmIbzAkycN.kxdz2yyYnaMoy93XuaY.7HotbkhvykFrZRUhuyLOmOAHfa.hrGOfdlXviPXM4JYBieIcIrYOIvI8HUjUiH9KHcEEkcsA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94afdcca5a10f28b';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\/9185746230?__cf_chl_rt_tk=aFRoghdHubBivmzmEZ2NTVL5AEawTgkAOp8cJBaUlzw-1749128526-1.0.1.1-SAhmTZaiHax2t2R2nT6hH8KoxnFR.pQWBLMC4qHFu1w" + 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