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-255263538630.mit-edu.top",cType: 'managed',cRay: '90f22b43ed11d6c1',cH: 'xdIkhqzQxmge.yoGVlV.eCuNqm7Il96Ykh4sLugJBOU-1739086382-1.2.1.1-xbumk1QaywqkUv0qqTlq9wHyWilS7z84Gm.JgDmG3aXfo2um9m5GgU2IUZKcq4Tn',cUPMDTk: "\/post\/0213857469?__cf_chl_tk=zDQBrAhVJg2CgMDXKMTFbiIrH__1yPpdkkd1ARx987M-1739086382-1.0.1.1-7lXrfsH2_IFkAubPyuszv7caQxaEV4qSIWewlLyGqCk",cFPWv: 'g',cITimeS: '1739086382',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0213857469?__cf_chl_f_tk=zDQBrAhVJg2CgMDXKMTFbiIrH__1yPpdkkd1ARx987M-1739086382-1.0.1.1-7lXrfsH2_IFkAubPyuszv7caQxaEV4qSIWewlLyGqCk",md: "wJ7CgJNdGIqmdGpJj8yqRaQ7UI7EbhMLWKShwTIFPUc-1739086382-1.2.1.1-0TQIu1ow7FhYzh9jnofO_Nq2FxSsfGQs85ZZmHi.5s8JNxzsbRVazIp9RIm_dfibxhY2MjN6MrUMrx3Cka4Sp6motuVzLCSHPwpSh02KxDgxaaiFO4ZA72i65aXXDm1ECBtb0Y_QtMzyV0Xurcu2FwVH_5KgSYUI5w.Ivcy4j78g6m9F.2mWN4paHSzDNo6SnU6IK5qvI71xdq_cHNkHBWsn1Asl4MqcgWl.DUhMNEwwnWz1Kh1teuQR8GvLrzPA8KMeRGtFr1jZQyN_UNTETTDNS8_ZTaodQKpbt9ezAu9IivnFGbyQ8_kU2VWmOITZAE5UEK2wQ59iAYvCtaj.lbJpi2B6QTPzcC4m8UN6R4sXr273YmmvQhOHZ3Y1Xhcv5yLX9ont1zVhwOMrPIuAwErZA4nmJktBFZNqRYOX_Jq0gVZ76bptP.OVDmzelG5NOKBYACDDZ4t5CsRMQZXVjwTEZFmo6KEdg9SW5E2rGbSgMLs3lSxQ13wF7_k4BDesBGWsgcIxt6JpqLG3ogf7Hp.6awo60bMnYEv1SzPe2LEq7KCcVm7f8WUGsK7vYoAOLFvYjMhiWrAb1NGVtrOjDJPgF6hbULZyqKgGy.DE_QReh7BC_dtJbSLgCue3PlSKhNlfkMy9IDKCZN9xyRK1T7yj9hsT_n.H89MWxIW0yOu6Z5qPJjb3TpMWdG8XuA4YH4kdYRimTIq.dlq2vL5N.F_YbS2XWcFWjcpgccmzLgSer4mHQe4E0bt1VxmDYdvk8u0ASI4.7Ux0Dd3UoQmuMp7EFRSR4YMxxQLGbE_O1LfMAhKxspjf4SZJxUbeO3pbpLod7evjwroVISYJSCTMUSpaP4uUEYthuLRtA80lAJzyU61RvQkjIg_hkwLNY4VHmxLGL3Qb1pnG1F99kzoT5RocSnzO56iwg9U2_Xvkc5Ms6WuUVVoDqgO0Dpvpcth7DqQ00R0ryZmHZNprDF0yI2fmKbI.NqQ0XwLbpXKdqidrmzgUtmiyfp4L5EIZcQH_Rzn.YRdJsa4iL6ItDDLgN5hi5iINFV1kdqvaRFOoWuIBAR90aU.uz3hyFXhMUDZKlZ4EWS_p0O2rKlxXWg6woL0ZRA0bPEOkBEvAWy8f20tjPes3mKEHOX9yDwOb3fpMEOUOAkQKh44ROSiOIGP95IP8f0_ew_jnR6QEFxVwj5YO7gN11gcaufFAPx1GjI3NynQXYqcM_qZ1rt54K9p4Iits4qC1vMx4_jiICBqJDryVgWi.hc4UH.2tArjvkINO8J74sZNzrMHc84w85uLWVhGjrr9xAJAKGhW.8.ISRbbifJ4UJjTF1ceDOTgbHtLniVJMKnvfM1ZQmDPTpnxECjiCiPNf8kMuiQRQJMrwi8soA8LD.1BfHR_uBgcyf86aY6FWnHsGkr8mPE2TrGJar4E_HyaCLsdxXA2Z_S8BSCuiiD2RW_4D5YpO4BzoGrkH5gVSarJ1ke22ypKBGV41xc4Cz0jJBgYnMzro_GceRwJPc2EE4mAUz80TyIISk7nxECV0fVfVLiNxxlnjCZ2HUdlAzR98W5Zy_R8M8XgREZbGSxj3HgkYkXEMfunGkWhaluOgNXQWTxuu_mzMvYNc5RgW.BvSrZxQNMrMcf0zbAVS5jNe0mG8TXCvMTCDaaAhVemAj4oQcRItD10og3kC3UAoA20PU4x2vx6Ojd1OsbWE_cicU.77k5MZdSS.dA8UBKGGMwBxpO9FphKBC7.vo5kBivxhFnofFE8wq4QpN1SJYCg.Z2Xi6MqbSoasqc.GcTJ486wn4Iw0GMkPgKS.vydwZvx.4NOY.3tw2iXYqM5h3TZ2hDvMrax6gZo9ym4E5dgIknT.3lPYVGEVyczBEGED3XzQvV.Bnd8p_SrWy59xSt0W3iYhewuxioFGXTAKbnTug7BoP6BvxYiCpZtEj5YTC1jAn4pBFq79ByMqGoW2DYEFrn28GJV7vHglPhSD65Zq2SH827WqIEEgoMD2HllOgbgSPBGTF_cQCKxSW62JRdbUf6dezohE1dJfTpNSqMFoN_MR3kss68X45PaT5xWwIhglZt.mgtj6Bw.vCm137fwpCDhePEEu.jdgP.p1ofc.pq1QhnmTb_5VGPMdze8ym1sXVtitOIbeX10vGyOrqpcdmo6miqut8LOXmWFDVR2_l6hWl7NcZ8e9YnNGnIY0YNHhMzCEp46sXsbe1b4yXxW1n4z2YFJkqVtsU2_Z",mdrd: "qzU_SoaIB6O4jJVbD1SStS4ZiiqiS5a6Gd0i4ao_u8c-1739086382-1.2.1.1-DE.lbjqP3uHdXNhiJOrRueuitrXMG0LBH7KObsfJMhcNquNcBu6P96uz6g1raOxEbMD1ktJLZWbwFCiTxBI7B.xFurfMwIrWm7R60Ex.8zxBsPPk84_oTPvCEuaayV38DWTIuiMfs84ND5.EiJEqD.y1ge87grZLx4q.XaKfk2k3gfNXldnNXMLzCCzTcRcUxeJwN.ojM6u98vgXn.6lBiv8h7TkNRs6t1ds7TrgxQmEBqAoJIsKSntflGV2QTYHFY3UGBf44nfMqmCGG5X7mn6g1uZ6oPSShHK1Etvz8CU_miCqBEnQ7DHHWigbhDdkzAEUeytj4.zYTtzRQbNWltjj.6RuPKp4TQcPKae8gSL_Jr03kdJFDEzMOaHgXTqgtG6m0U3H_zL5IU4gLNFl4BH6GM4GrKNQFHoWhTaSYlPpakhVAmOH4QwKd7NENLune4JTq6tdSc746f9gPObINVQxTFuluSJmE6uV54llsN7JhTqMrgCi.qBKrASft3nxsVMvmznExSLxP9DBnlWfp9hnK4HQwgytj8WmJijaOKP5ZJxZGNIiJRTk0gzVxEVG_B1t3W_mdY2vno1W1RDCQVo5.FvRXcHblKojQBm1HoyR1FzKvyyNhKSY69x4X5RyxWAL7PuSe2HL6DyixoAkvYEhRaBwWacpGnxRaUNYLqUC4B2LXgRbO4AuHTENJraaIYeXMu2O8CDrROEq.48PDJ1GBfDRbFdLQRDAKBAt1OZYs0RzKyluyPX.llfiGObATD44NffCZdz3HiZOJEtSoGuyImMQKu2HclJez_bCJY4HvgrSFLQKNtAcQUMfYgIVoHaMJ3UTbGg39huQbuLRt6LXMfmm0jbE9fGQcQQcoPgwV4AS_eelfcepzuxMrJ1GxdEpSkpqKUTh4nuS2pZofzlDK2qJK4qB6kF8Yg5gejbU.lGGnJRW50HxD55Ok5OduYE6RsPDFI70BnZaga0WYUUwrkwiRgfVxy4NuY8lsCHZzay.1Je6PSntpqX2JSCuI6M6D5RHtEiDMNbezqerDx1tHcQc6vQnA3HZBM9BHANjEwGOTiQMd2kC0UkzSIJGWnAjIb5RfDW.bg76MwrQu2TP_yLTiywNa_WUN0yuE0jvNEVTZqaTAlAOCiTSOof8jWihwJkOlqIDxLiWdsZG89EJ06IquCGfSHkBvZzf0LCZr50oA0_ObSzByjJ9PgYyCmBwd.edFM0klF7b8MEpwygyVzQDPzyh8SLwlQtqYvWzzF.U0RzgOMootmtGyEXuArvY6qsiG3KigFwX7ilskR8H4LDLe6bPD69YlTV.I2SzKuS2Q5k31JP_8pSCktfFvm.abdTK.uM9mFYuNXiGUphUpviBN.qr.wb38AgMsYCzlMtmhJSfrvAr_o4zVDTMww5hB6PdWpseH0xgka_NI4dcz0PmFXNCMMSF3NrD7TSQpc6VXKnhse8JNhGkVV6t0nktgPO6Nk2lzKDhpvcGtzDUYBbgJkgRBjgCZUpH5rxgSwlVTXhwy_8W3Wb3clsHR5JW_EixUlfYkxqTuHLMSOnGdNV5K9MXAq83ZTqB7Tgxz.ojQh8ckRjf_g6MWnADfK_YUWkrKQLh5NjVTCRsQduXHDHSbfqOyne3SkHPfrs9E0JYzimLgkXBw41BF2zsyZ52XIWrgxBMrh3eOe_VoPy_RCtT8xxxyzCqY3JXYzWNWEJglHMSPLov92WhpmrPBODRoH2j4ce9BUYueY8U2hpJTfXYNkNaj5jtVQO9tzQmuUdS65AG1QQr0RgaG74.WGawarOIhFyRuuA03cJaSQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f22b43ed11d6c1';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\/0213857469?__cf_chl_rt_tk=zDQBrAhVJg2CgMDXKMTFbiIrH__1yPpdkkd1ARx987M-1739086382-1.0.1.1-7lXrfsH2_IFkAubPyuszv7caQxaEV4qSIWewlLyGqCk" + 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