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-063247065549.mit-edu.top",cType: 'managed',cRay: '911049370e3d07bd',cH: 'fdFhyG2prSIQvnbCwf7E.8uNlGb1QV_7H5z0xOIpAX8-1739402182-1.2.1.1-pn37QRAiXrejXlupIp54JKYqGRIJAd43BWBhRma2o163nzNSqnVJcUQxFFoZ4XRf',cUPMDTk: "\/post\/0259318467?__cf_chl_tk=JDB5CZmJSJy3e2DC1D85EblTaAsc.VWDHe3iGraiZkw-1739402182-1.0.1.1-ZIgHHCnenxbForCggvTyV32VZAD5iD_QHQWo7MUXuiI",cFPWv: 'b',cITimeS: '1739402182',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0259318467?__cf_chl_f_tk=JDB5CZmJSJy3e2DC1D85EblTaAsc.VWDHe3iGraiZkw-1739402182-1.0.1.1-ZIgHHCnenxbForCggvTyV32VZAD5iD_QHQWo7MUXuiI",md: "p40lBNGBvn25g7_2czEWLzAGR9HNC8jqv7_0rSND3iM-1739402182-1.2.1.1-.W_8gtqRSNlV7rPx4kqfrHe9ZUR5F.I7ATstE1YF3S7RrOY_vDjA.mj1B2V3ometLvV6.DPL_M6dmpELDz.KCHMT8QBjrkT4EchxNjKdk7alxvE0kjMD9EbmC_.n8t5B..nHAY9OZHt6eDmLsy8ZtMxwRcYebFsqOY6xmefxVApjppgShXtE3WkqkpEj20ICf4mIw.NazDYsgNmGXUPLQdGo84NfSJcM82Hw2iAa0X5AP8lw.5BBMX2MlDB4DVxIndRjQEy132f0bwjxEH3CUptVJCnpINaqCTD10wuYdoTk75alk35m3WvabEZACbISoNOsLCH9RxWSL2o6rxXq2IHsN7.BFx_9xhOWiYqADzOpFGkYxMTw_zLbPZ9xdnXkoS181TZRKbbZs3WGku4BoDSyoeG.EDHWGcMhQVftRQuu5pYnET7FHBRAs8DM6o7r_pX35zAp0tTAbg5EMaRvUg3W2EAMFbzHhCgfi5_wO6mCd.EreLtOcPDOTbMl8Lls9m5JRiQBWekHIcbQWkPROdLPeZdM86SsRQ4S7.pGlCwcNh5n2TRoGPmTsZwMOJfLLsNcJJ_G05aX8exW1NPZmm47ZwVJLRG2o_De4g69Z7GFHxnkOJfzd4ogIcq6hsIcdF5TGONFoKVq_RbpxuG8NxNhIuGaPcVVgaEq3Vl3pqPkdhd6zlwMLlqgWRUs9Bd6_b_NhYGpQZisqRAY56kqeGmmFjDlD4BXzR1l.bbgV9YaVw809EwoaFHLRqo4IaFNxzyTZ4kfU0WKp7RZprMOXrtsg77umAzm_fUM8ryUFwku1ompNqbItecjxZO.LbCs5PypOZ_vT3QZhPmm.ZeQv9R5wEtoC3u6cIxlGhcoxGHaJLslu3f1RvMm8tfT1j0ytqhrhJyLlT.uR5.P4OEvFbrDomn_pkLctFJJksHumN1ecEKiSPwGrZJ4z0K49NNBx0cW5QyT.bQTfYpVHVuk1OgrIZvbFzlATwk8Idh992Es3WimfGPVO2e1puZy3GkYtWgRrjtEglAgtXSV9CyNR_871vWg6HghTJxJjg1R.EFH_ceZX_JKTgQgqX6yiIwLY25yWGzOSFBsebecsvM5RxTky7FhJ6.ChJDhOHZ2Vhg3HesRF1wo3oMiSmsv0oSUD7Lt909NlV299iXLmRQZ.AgeSjhtea1OBVyNxs8anys9Hz8ecBqp04XuH4rVdYqGnx1aWbR7gArar46v17K.bTOglEZ8xfgCwqq.aQhVjRtNxFALXuY2qjliyVrL18_D3Dbjn0ne3iANAIaPejgfLFNOc5KIlsCE5Qr6BF.5pH1GkDkEb8vg3lRE5T.wtHGBVTJ9iz2wCP.UW2.4UJgrnZ0gIbGdAfciuOwCY2xM3Zx6T3y55eT.e1yFbLaBRm0UXWsNeKUHKpBK_b9s9.k5Y6CCu_GIItujf.ge0ehvk8jhOCcGblpEy095JQmTmqGixoXfSu1j52GcMDv.memhuFCPeOYrZ5x1jKTvHTQt8gmgebJmOpyc.siU1gK6iO35yML7W2_5v1b6MBAeyxsWht13DNysVtOWLgHNIluN7mP4FeDdKHQk3EXvddmgECmJmFkaYSL62zfKWNQdQ.4xRDDyykJi5EMbVTxcVo0zvD3UDllTg.2kJqxi.paHMx5imNKx4.XeMfs.iXoHkynFDEVYUB4M9pXpk0U7zPd7cmqSKKfDE9q8talaAgBKQ1Ui_FrZ.IVCfLyPHyCFNyPLj5vGQHqW5uVELyhoAR6k5PdH.QDJkh6Q4IvahxuyzDMZC_yZbI0..4lVKglxXSBFHRG7XhOOKrrmONTBEXG15EGya.0RSJx_Ehg5vP0VuSRmhnDrXgYNCoIdvFgv0PIKuJAShIQ4inn2275njVHoq39ksFUhf6DlW3N0zTG0coXdJk7akVDJRYRe4vwwTYZksgDsZBusU7BSl5Jz3fl1bAqtKwd0s.MRzFF0JL9Ji0RXEEK6x4qYaQwd9XDIEdLHuVrdgIf92oMtZY0PZ1hhOJB0kXcz_Ltn16hku5Y.93nD.nZx6vfYz0o6iAY79HQDSAzAOeRi55kmC3Hx3m332L.RRKsR3QjUY4ZssbWnb8gjrYwxgsaPP6cipucX5xXQsdYQOV_WTazIU8EuyddvA1Vi8MmVzsyv1wRs.yx3FqgV8B3poRN9dqB4MLxAP0E0Vexqif.7YoayvzIJXllDO4HSpsw2rWmlgmKchHLGszyH",mdrd: "9xy_LN7SZ.ffxrFpUF1y6_IoatoVPG9vWTpKhMJcyyw-1739402182-1.2.1.1-rv6xj1jYXGpYsTRUmYfh.e9Shr.hKZXz6807dy1hJ2fqKMeKYtiksGY08D1.QjRDB_8BZkeskq.YxgU.nmeLmxPPqrIfWZwcNF91WyOkysQAmNOEU8wC56jsP92WbWQ8WjlW_B4238PceCqKKny4WNHuvharZZ.84skxsjS5ecOiZjO7d1yhew1SBXje1e7kAJ7q_8G6uJlyWPQQQm0x6ue_KWfkORSr5TLfTIQzYqpZL02rYeltbU_zfSqI76iFkd_hYim2UG91YQq6.XBRYPZlq9B1spD1TalUlZ1Jtzn9R1pWpmLc0BPcRtClw5EhWcuqH5Qjf.vZIUtQmp1ZoRdii.ms5GmM5pqdq57vDSwZcmjYvFUQ5Ahz1XpeAo0wg8_o8Si5F_JB02SSzifuLGuvOTiir6BIbcqcYl.TpasGWQwkUbZyfSnG6Od.uhZals4Vu3s2x.G4Cy6K9R4FZTQRuDUAikd_aIvuwVmtkeZVHOHC.9SPwrsy5EU0Q8MCoEMBM37XJqiVJKnolGNLC363ztM16mH3_9_b5OKZd4qelG6_q7OxQ3egEzQHOH9seFkcZXmbOS7yaGBvU7TygYt46aMeVxnu0VHE7ENE0KIK78zndbKq6f6.xYS1FQuWZB5DbqnyvmyKPQSTXcfUuczcRuNiA8gmnUB1IV9NBfEmh10OnKMcJXPxcxV5rab4xx88QRNwnMSpwRhw9zkzvpXXXn599pRZtkx2OFKUzaGXPSSb7Ift71Gb8aUOnB4SUsBR3GI4.6rUbThD1kg1WrOskgeGaNji4LgUwvuweYc9YGfwvSwjS9FGQfYLsWoH29kufnbmxN1X1EfQSRy6iwtlJYJJ6.Q_rv9nvJt0kBgUCcgzSsWDPI4Me2cyM7KL6nR7dfE0h5Vf52qub5ooL5n0LzSQQvSOFcn2JGQKA3mAxdY3amaEJgb0.dZU0194Asfe128OL2bAbYKbgWagrouSsCrUeZcUOdaHTw84s5pmPG1v_HyEIVCWbcv.2m549MRgXCAgrDFIxVAuJ49.XZW6QZuBBhKaoc_GscBdNtZQLJUhytniVoj2GYXTFLTs_7ipJpf3iQTz4jENwWsFtPOYUUlTYL1ucGji2qCFnno4Uc5NLfAQnrvPVYoJVOF9gbKupFl122oDfJO3tp_eXA89dfi94UZRBOJ.iO83NFJXZiMAIILTZblbWViUQ_5O.DOyb0K7gxYz_OYqpc8j0HLg2d2WuMVpag0xoOCHSfFnDXUj7UOaRdoSULz20OojaghT9qjYGh3DQVfSlAFIbvArgwBXfuymp2Vq.U5bopWPHY80EC5lUext7KqbgHZhd8wA7MLtORJvAjg1dlGQzR1i8hWHWYRdtZWmvTXeiKw4cLYSOX1V7xFGApnXk4e13t8_C0vnUB8MoZ9DF0kRMAvmYy1ilQMfxtMAWojG7H8lk7qtO6OKIESLaD9B9i18cU0amyt4a7tFvF2oxXgK40iW23H0TWD00xnOjdAvQcaZpPEAb5sp2zOXLIe7YzmGtWeLiIP8v9awrNfZDd5q7_udCDBTiajgyOerMveTdPe1SCvYY1bWK5h8f9wKq8egUtJjMQKPy8W3Pjvxx.iUc.VBV3.TLTySOVXKVRcnkB6XwBM1jspUC_WxiA4XGLV_l3NjHKxPPPbtzQXHXeozUnsYq6Hk9fB2hBtmTljlyJ0SDTSKgADst6PDGb35T4x5.J2RMjJf1lDQcguG.1jFOrsLX9yGFbAbG7uzyYQHu0zsTLXR0Q.eoMQzuPCGOpfazC4oQxKg9oW6jXX98RrVHg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911049370e3d07bd';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\/0259318467?__cf_chl_rt_tk=JDB5CZmJSJy3e2DC1D85EblTaAsc.VWDHe3iGraiZkw-1739402182-1.0.1.1-ZIgHHCnenxbForCggvTyV32VZAD5iD_QHQWo7MUXuiI" + 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