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-005515234020.mit-edu.top",cType: 'managed',cRay: '90f7fbcb2bd5c975',cH: 'nAwQ0bOuqzZeANguw8eM0Hxg8dswZPgZIICJHl42ztA-1739147352-1.2.1.1-DPKvEhmnWkZ0DDsIRll5ECNx1dszYxbntiEy2pRTDneMwSIrhW513HWTgzNvmCqi',cUPMDTk: "\/post\/8061529437?__cf_chl_tk=PMzqjiqHsnkSx.hnDY3TDnvBUAyn9_hMmx_j8HFdFYM-1739147352-1.0.1.1-YgxKA4wvjVlRGCTGchEkTdF8Zj5mBTrvcgxK6hwKtjw",cFPWv: 'g',cITimeS: '1739147352',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8061529437?__cf_chl_f_tk=PMzqjiqHsnkSx.hnDY3TDnvBUAyn9_hMmx_j8HFdFYM-1739147352-1.0.1.1-YgxKA4wvjVlRGCTGchEkTdF8Zj5mBTrvcgxK6hwKtjw",md: "bb.ysmpBnrS3uK2_x3kKmRpnvLbZAW3uSENmMN5FF3U-1739147352-1.2.1.1-7ZjMWcJquAyit4QdB_gODvm4H2z5J_.wDdqyqLLUVJKlQ19.pEZYHMV8PqsQhKpgIMqjWVYc0o_.Nwe5wWoifD_OYEEgryttjAmdDlAiWquT7aYg8J.WDgZ7fZ6yQvcb9L8YpZYTnir7p0CvnUKx3jaz9m93jgVktVpaglL9J3DFqupMr_A5M8GpkyxFsxHhnz3V0gxSw5QoIKugAQJNq4j1aO_Y1TloHIGcqEfXNymFvRQCeOjJdBFEgbwG12ltEvP5NRPROKXsOI9uCzFANTVpQ7YS.ZQPiVer3J9PYMqXVSIYxLgw61SEYzoxHteGvLPM6F3drsCAa6pxRbkbG86epgMXoXqHkhEllZtTpDXShDA1r8hTAbKEumUDHJEnlKbfdA.A6gLt0Ker2dH6GgrtkJhByzc1H1J5FYCJLlO6mh7YEJ4aEREhSzCjy3DiXa8MmSAviIIWoYJ7VRCF.CfTUxiFcss.hjvWKWTX4oWe5piQFkiVwebx0SkjSenGmoPMhjz2KGaqRg09jF81R1rwL_kjcJLinFqw_Jbvo8.OduvIX02ctLWyrxC0yVZmG08VU9DKTw4X2kQIYPAvX3ZIXo8AhfcpsAKy26_BBBE7FDTYZVFOXklKb_a5abj1Hs8Y4NcMmwXYW4OwpgrfwGvXhB49DRHj8Vek2NrDw1bO_BduBa9iZ0KTErA34iyA0kBYnqxho280khlTIsTzuee7djyCVUE0hxV0MBZbn5Fn4c12WG0W.1SNxtWOlNfz9dS_DxebgcY4teTJ4A4g.x8KvvvBwnf_V7aRanlB2yZ5xP.Z4C3kvdNqNPrGR86lwEvvU4hDcXCd7x7lZbrLbZGdZY8vRftsH9P1XfIQ6j8VRP5Fu4xwu4atbSfRB0L6DjPjbZ76KRti7fF5s0soFKjPOpLUDludL0iWKIAyg1VcrdMNkZA630aR7J1Xhzb77diflHJjiCsMHtzZja6XECwaiR0RtHOzYc84047EAnumzC2yKc5sKsDJVUt.AcaBdVW4Z.1Nycz8MY_qwFNBZZskNnJSCoixl6V6xYQQcUATSQwuh0vNujQ.xCP3xKhxTTRz0NkJNIqIIh.wPpYlD..zryrhnPebiDQsE02s7_MieO2sNUEktxAXUgKQnMZ_VYfJhsiiYfBXg7OUFJUQotlt2QS1yj448GM_RtBK6ApmlQ5ICl.5GJ0BFPlViroxQDws8_uham.08nc0nKf.H2k67SB6D3kzWoouJGQCuOCLTjSfZDeb_AgZFDmcV447AgTGbP7X8505NhLQGmgXfudNaMEJ.CaQur4SPfSDHWF9gWUL1eyB_GSSRlIhhwRagMGho0AdTuElZyZNrx.dD36EaX422IxImgg8.koJ44GHuDuh5dh1B4nJZouMAG_pg7PCBXyjZax4uYm4l.59op9qubZPXmHo55PwT80JFUMOuq8J3VMUqu_RdxwizvfKpiAQxLMPl0IEIyMTk2vxDZJkbIJVK7MLa1rqTfOSmcgR1syEZidGjBEPy8EgNMyIPJdvm9P2W_VbbeXY4lOYtvwhwzvlkTWcT8cdu1zhQwLVDGn1A3k4Ffm0qufbOk_udlMaMpu2HCyKZMC.8WwH.o2tLmL96QoTadvxKHLykzm.kd12GIyPEGKG0bPN7d_UruPDml1ReQPo6jrEiaayYzs9goiqafo5Nc4ey1wK31WUU9RL04P4nAx8wDJK2sLTjj3RXOd44eI.vhbTdFHGAscu3fpOBFaU5mjA25qkswum8bE3juO3tfLDIcsVl4c_yiE1.kuh3ndeo02MaZKBYeNDK.04kRJSWPzDkOxAK5eUzoKAxmuAAEzn20lXl9Uew9QTooSCd1wHW1qH9ungTu41Ap_NJ92uc2SpFwETS_0PNwZohmERsFqNEKvrQacggB0veYSgiKGtBhhVhTRWfeW20Jw4NW8fkd0ySFBKjDbXuMXgDvB3jABapqzZK09Qu0Jr0jU27GcHx4O_b6pSgCh2yxZw1G1NvamZ0oJChFFUOIfMv4nVWyoPzh1t2FkFncVd0PUa5OO_aEbZagsqyPEGpOIjXtVK9yRUITdukpb7a6.oJYscVB1xNQsGU_Qi.bJeGk1iLpFt3CIZkCy2BPvJ9f6JNkVGKWUCVM7CMiqbD6xzZMsk5TCzZqxJ5m59WyR4I9lH_ob3wp2qZu6yIXuou98WVJXuaLFMQssTuYAebJmDade5V3Jmb_qplWjC",mdrd: "RABauMe6NUe.Ja2PSddsiqbKHdWdWOsfVUN1_epwsg4-1739147352-1.2.1.1-DUo0OOD2zWO9WkMXda6aMPzxUDVA56sFI7na9Wg9vQ.JfOkW.ebPlrjdmDZuWx1VNG3evsUc_Dl5fPJMlwvjhhpr674N7L.NIH4otJuVHoZOX7LDw2pReDHUg5Y_dR2Hiyxjt4rnbqoLbkY2UkA9g2zg6CYbgGJvz3fs0WnM0LV_SHd8YsTxihlwmjDeyV1Yt8eIfSwaW5U9eyb_BErnMziuaLcr6Z74pavqy06ItsURamPMWW0k46qZW3LM2p5d2vQ1PwHwEG7kzOtx_8aib9xwDzAjWFwnGa6dHXqi9YLVKxM035baisg3fUFvw28JQnd8sUco7m6bI5YjQ8SdQA4rtZ2p.BhEJf.TrIXWvWj916oSGO2QY9nQ.NRcWYX47YqbYnjElTR9FyvkKgidbctjXcEprTmDPTn9sTCb_hEkFxDbAD_6OnxYGL3EquWNUD0r_xnJN3bW9LWuMa2wYwLMp7hkLpr9L7yXBKnHUG4Ufvs4PUNIBnaSLg906o5F5C.LGPtIkShUWbR07FOqP.03XHuoQLpnj5ynNBNzRcIpFZoEoiixNg0cTAKDclH8e6KN2Hgexp7XBmgeHuxCqNk_KWMxOGSsIOoprbidcdKoE9ytTEidTG8XVEOEZycOI1nkk25M145nWSWsZPIewZciTQxTDWQ2.A3YAF.7sIrjus0AHxJlI0GAkEqG6jSIb48TwYukNf_SthAPnhI4K6xVFuTN04.rZ1of0fud3DYo5ixI3O7pbOxFCy4Ss9RLFOzMbfqxtkIr._K3vm5KAZEiui9pyD8c0ah.cqehR9UTBEC5nISOJe61FrGWlw2CPkyZAMg9STSaP0xdnkZa.ekVmQfqaWgZNgXPSZOR0j308a6Fb5m4ebI.JHgLAqnIt5.XmU2tE.0XbwUXiUy_xSdv_rZByNdpTccNVjaGs4Sw0PaRua1Ql20RacbYE1hBxdB93bvOG_5jzK6C.keSzil2B2hy_cPg3Z3Y7SEf7dmtH37ClGJEfBGfaYov2SgT1N7pt7FXGn5k1NyHn777NAvWU_lsxQ5hNav98ALSafztPgQMvpVmFcUmt9ubu9Y6SuMJuFQbLvtvuK3g59dAyebBR3XO0TYRiGSzMHYEo2TVkhxY3npi4AMy16d7Xa8zFyJ52GR1vng4zSV9d3o7nwFQ53ZuM1_FQPE8kd1ufxqdycHTcVU5911Nbm4rVCInxY0F1OBaCCXkeS6A.N9qKFD6zoksUpnVoCac201UQGZQqxYhv3AzyUC5ZFytJcTaSoCSlwxiAumhDiEgYev7I0oX6Aq12CuDmhbBR0oc7Vbo76pSxVlfUgh5f.39wc_JKqJmuIRAXVG3B8xPsOJcuPH6IYIFVlANMv.PEH2zgO6ELnojb2wFcUbTcNxzkwBysMYhCIcW1kgsiosrEqludxSwc2TxSC2Tzp_RHIKiy6QRdrg.dxcvkmSIRkWRpq6uf.I.ONnEs.m4WdBYOyol66CUoXbJg0tSG4cTZvFYtUhIkAXp.R3MwZ7GG88TEZP_0BcjghlXmhH8OSQTjNcMBWBcH.nsQ35V3NVQpU0v0JKIKGVx8O4kqaF9A6mm2YJXjgHPP.XXx86LxPbY5_QgRpZM3YRibYlb1g8phw_U1vClqugQhp04dNSILo3EjVTHxQtX4O3mIZhp3I8YXC2aqj4fMfoL6eJyXQn8NEn7ZM_4x3pjDr6jDtqkd7735WFv1vbFQ_Hf8ywtjdEroqC0At1dssyVYwszmGDwqzqLA_BvsRkSaNVJsahGDWpS5lifQElW.pPk7SkPN2vXPsPLk_bM0MPPXAo3wsH_2WzAoCM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7fbcb2bd5c975';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\/8061529437?__cf_chl_rt_tk=PMzqjiqHsnkSx.hnDY3TDnvBUAyn9_hMmx_j8HFdFYM-1739147352-1.0.1.1-YgxKA4wvjVlRGCTGchEkTdF8Zj5mBTrvcgxK6hwKtjw" + 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