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-619054126673.mit-edu.top",cType: 'managed',cRay: '90f66c150fdfc596',cH: 'R6ZYBkzX0mBAdD5rtXH4Zn6DVw4SzIffkHcwUjz0Lw0-1739130980-1.2.1.1-7WzS37elnbowAYvGdVta9fArIBrOcb7sN621xvOG_Zyd_57_eIf1Ji3fxCspw4ep',cUPMDTk: "\/post\/7651042938?__cf_chl_tk=Dxa4uK0dQk3xgP.ifv0TzAXHWlJ3fS37sBkOWfrX4Qo-1739130980-1.0.1.1-9jMP_8xy3zG3iTrOG.McHXDqt2Zu8oEZqVzVpRsEYb4",cFPWv: 'g',cITimeS: '1739130980',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7651042938?__cf_chl_f_tk=Dxa4uK0dQk3xgP.ifv0TzAXHWlJ3fS37sBkOWfrX4Qo-1739130980-1.0.1.1-9jMP_8xy3zG3iTrOG.McHXDqt2Zu8oEZqVzVpRsEYb4",md: "GEURW0ebzJcXTW.ec1QzV6rQPv.Te7oGa6qH5.rM9dY-1739130980-1.2.1.1-NuvIGVV22q78ez3Dv_ae0zYu6uocdMxcJr_OVNiYJUWGahWFxoQ87Amtzkr_ADXA3BTYY.Jk5SEtxH3A2v_h5Z_ziyeEIbqc12LfM6KHhQ7aBC5T2V7sBbsjHhWjS0oxnADLWWzREopnVGX1gGRwEeDGmIxlp2YSOisfhQcVJslDgTW1fX05U9pl9.iyYomvnI6TKgPNGNtaM2YE9DnyQMuWW6Ww0Cj5fDcDakzlHLsXDqal3V5XU2.MZabKO26_2k1ePwvBtG1rVLBjCXy6RkC07oi96iumXKIGz.4fui7ExzKCBrhj04iunONauuP2qBMjtLaR_pNSzEfcqnvWWZyB5oWXnFY4vtoE85yHIhoXORcs9cB_EncsccfyB07pFxPcmj2YfrQ0Vmuf44FTvlTO8I_n5JmuTo6ZPCfM3J0lhdtuiI6rvd4DJIMrAqbA7i44qqHtjEraFKdlBd93Tzd8YL3mDh9o_pph59A2zprDEbDmfbCPoF_ekzbOBKfRPsU8ZVby6rP6EzbRvMEpcLgea5gfjCBqHl56UK5gKLkOvzbgGQS9.Kbvlzdc_erlMjnhTX9QqHE6D2B_dz86Zr5MO56AvXY4uyDcqi6s5C9vDNdk8SiFYLh9XU5sAUkmHXraMXYNxnpgoC4o1TucnF89GoBxatfwkddM1MjVg0j4BGnpPa.JWow2Tti9ZZoHI_koVvTL1a9nCC0815xzhi91wIspR_MUuiw1zYJY.B06uPLK3nK93mu9Tsijc4MSwqEtfKOvzKgbdFWoT1QuI96Kgi6ZOE.cgwjb0X.5AO0E_8cuipiY0U9WyA2T4X0iY2WRph05J7hsS20FXdY0K1hHDyNA0_TajTJ6uKiF3lZF38dgMtyd.8AOz5W3vznJA79x3z5R68hTmEF8UI3zXLP8C36_JlpdqjptTUpy2Y30xIXv3PCyC0qgfs.4ch5rkG9_UlvI8d.GlDUqZwXfF8VyPc8Cr5iH0G585i9wScSBeEKXb6rJeaja.jz9iyiCp0cD3tUBB6PBs88NHHYyY5gnN1wZjox1FlkkpYSnulGelDr7mu2QwEReyL_VuQSsTnsNqD05hJfVdt1wNVd1Abok3GhFzQFD8r4EiNZTxSR.crHaf8NSD0gWOYCDJRP5ssM_W03fBZDPetFAfVhGedlqgJvlW4h0L10aClirt5agZLtyjEhVAvtRe873jb6zi0oGell5TldVb5kRzt0FboLPMBy3ckLznWZzk.wRFf28dw.VBfWTCaHAyvgcIB5WiH9g6S0CYK6clh2Mo.OGoLxNSbm23jF1xBw8nF4UmndCkEOqazktPB33qblwxVpW0rVy1H_2cNPybBGbahPPNHX_uVRHFcn.BgYTRTpHOFmRKpszpIG9sDcLDfwvmKOLyZ8mnnVo71cIieIV6oo3E1e0yRAcZi0HU42qWGYFKQz_Z8g_NYB64LUssjMhxkBwTjV0Uoi0Em4qhUu6kUzb1ToDzGbHEHHGBUQaq2XFhmnpWYl9nLqSVjELKvKH3qdA5ujADvtXcphwmC7eBiOl8FmBMTjF8.0ri7JL0HAMPFevSVmy8YL0smJpHTHeu.0C.HZ5yZQeiem0NdxkNs5Yn0ZH_TMBoUTiJLzTY4Rzryvwi8uowUpg29EVOteIRojc97Vnf5jF5eic6R8rWl71c.7Q9QgyMaNxEshF.BA4ASEfjmqOMUq1xL5.xbjC0UtCKBg.3Z9kt7oPQ468VfSwya8RCOf9jMeoAL7YgQrzP1mq75pxaqVjny7gcPtRGzZuy3jNDcHS0gIraAy5dbQsW.CbqOcZokdnlwbE375B_wBE8TcicK9mVJMHyneIut8_lxIZA4mIrbFYgYpQfDg3BvwrVaEsLqBn2DQeECknwJTQo5pTnz9EIIyDkwIRc_yKCulIw_o8PEBph0RCX_sWdHujFjmwEkhPNCfbzomsOh2B7E7n2Ga76_aywYqWtoovMmUpBH0KNkaw6p1UmC1mWmUJH.3nJRyacgELbrQXtFGbbyI59Y1r5bWMZPP8UgHF37AIoIujt2GcvEFxhBUCSDDd1ikcvSpc08P.0_PheWMRTGKfCF0p7YmT16Jfz1ToTHxDMiUHdDOsH2YTOfC6xiAuxJI3Gfv4_j6TXZRfWOgG1U1EQDZI4wD98A.QZTgAxGL6.TeCujOmSCo30j78VqFW3.14YST1DDZXr0iCuonhFVlWvnN5FTPl47UQoRYZ",mdrd: "O3WAgwiDRJOaRHdAXuMKB.8rpDM8OH.atzSZy31Y1fU-1739130980-1.2.1.1-D9rGbUi44UQyDth6xCSfFQ6KPFtVIgTmiFu1YLRN1ZDJSc3vHgEWPxLM.vJwUtKOcace77uIUuzakB36u9uYkL8Q8Ug6k9cwlV5n0cOL_hoLYv89Mzi6ZO2E7ztcc3ipnv1qXkY_M7SBKsW_cuMbhoO1HOmu8s9ldOhVqryO3aPHckT3anTMPA35AeUaApvINUOnZiM5tZqkeirNLrE5V39oLZedIQ3doyfHUkpE4yxC2t42KaaCLVNBrpoJd893AtvGjKZUkNSqMFuCerPpEFwiallmD5qBzgf7ztc3Pnzu4i5T.H1s50zVfqOSRRXTk9TT8vejqVZ0XlnjTb65hP2uJPnSTrfDjYabw4GHS5wDt6HVcJP9HKDTizzD17Fac9pEKqmpfRd6ts3yMDVmkyEaDhBHPOqBukYfr_N_.v4rii20PwKWgMtXDwShpC3NwtP9H31iIitARyS564loa8VqwMojQDTQIoIyoHJXW42KGAliFvGGlD5lahwL6T_tvbpAQGX41l8b1iyIMOJ_mv.RA5PgjN7rMDIvVDReOJ_1PlwOq9JMfeo5eHYJRdXPFlU11s2bPb1Pv.H5hXic9HyG1.YDrVqtZ6KfzAFZmyDocLfaHzXyTrp.F2FCl1knH2fP7PzsBT6T4ypwCTd_3_bgdElUe91ZGxXse72yad98hmXF9Z8WgYj_KvDA08PBvUWrbqzElj0ZHPDV3WmpCdVgDmHMgVsSfkU2lAWNsecH5L0.SKfoEtzq0sYLH_A6YHYukueQcRKePEB1nWJsTEQKfdPDB5dwhcOlxrMHbcX0tWn.OYEWaOtmcGaL_dXKWT7kXGzYlFUobYB2_oy5iM4fFOXjwXm4YlXlCswKSjRfdZFtgm4gXvKWbUWRWZcOPBRCn0owS6p0CW6Nlbh45goJv0vvkTO4TwAKyViJGoPcqoCKdpDbps3oIQZvshXnzrurex.fSIyPW68MOFiW9OMO812Bz2.CpPqcwIClwCmoBP6AEgITPVkwZggHEKhDXEcGl0H8f_ZFaF6C5TlbGvx0cEQQSRFV36xnnlmwSaGGBaPgDz_C7ZnfkN41oz6zKYe3ho24p4q14nbGKo6uSEMUOgJSDaEAvB5dw4uzL2B4JKo1pLIUKTEDMjUBCtwn235Ic5DBHBI33yW62pDMLZ4AwcZYrmpMmbnV03gMQoHR_Q.19b9sVqdJcHRetDbF.zwi.CnNHm1zWc2KcvKf5qWIsC_iSeSGjda8dMkzRKXYodChQoWyQBT_cHTEy.CCQOyQj3JdxRPXLU9iM2_qCdo7QnOwjBfIIC_k6kK1K_QzcJHlprfncbldP.pqPTdfy7lp9dYx5_IpOYUMQbwdIrHzzl_jq9NauIFyt2xfdB0g2rBGjrcrbyGzJFok6by7FXtxW89yih..FHDK0eAPpdCKskUBPNA7yVHVcr4m7h02kw.uFPOA.K.zUrTeWL2pulWpa58wyCl6sMQvCHDtJOE4MBGSxk2HKbkJFauXjlu4kOsT111uz4pu1d_cVw4rmXBH6CTJS5Ne1gYh6ZABjgOD67_ATmM4BmM28sruPbSaepbzDDIF3K1vKhCl1SZxQuRb3FEmA_Dh9A._Uwgb.1FJPyq30KZ_8N3sE_ToSRAxxydfLhnjTh2ReWVSX8k39i0bLFxINxZpFICtIEKlnBnufxhzJNpN0LNxZG4wPihN_SYYl1yMOwDBx4NGipcy_22cA3MkZANVToAfX1KC9L5DXlTDqcEagtQ2qzeJa7kM4ZAaxpTYjkxWiICfrGj8a0BY.XMZtPfyyubNILn8TA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66c150fdfc596';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\/7651042938?__cf_chl_rt_tk=Dxa4uK0dQk3xgP.ifv0TzAXHWlJ3fS37sBkOWfrX4Qo-1739130980-1.0.1.1-9jMP_8xy3zG3iTrOG.McHXDqt2Zu8oEZqVzVpRsEYb4" + 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