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-398761532225.mit-edu.top",cType: 'managed',cRay: '91105156bca05944',cH: '5h0BFYNKkOIYHEcEoI7AMwBqtOvDBOWMoe_3CcsnDhE-1739402515-1.2.1.1-OV8qkAvMgVS1dWO4PrfbBqfUUwagk.6WUwsaZXh_n9suP_YNaPEHYGdOs4HNLDBR',cUPMDTk: "\/post\/6123870495?__cf_chl_tk=2NpRrWERQxcT0ccbJuOq9qzkr_uNhcaGVIAy08Own2c-1739402515-1.0.1.1-YXbtBODRfYUscUeR0W4PPVILK5a9bYSjAKRXF9EMxqQ",cFPWv: 'b',cITimeS: '1739402515',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6123870495?__cf_chl_f_tk=2NpRrWERQxcT0ccbJuOq9qzkr_uNhcaGVIAy08Own2c-1739402515-1.0.1.1-YXbtBODRfYUscUeR0W4PPVILK5a9bYSjAKRXF9EMxqQ",md: "nTqX8Dx7GrgFwyDjqsmkxQFDIFFvoU5Mrw3V.zLFKdg-1739402515-1.2.1.1-V02O3url1zRqGFQxXM47evm2w7N1UG.4aZJTDXGpeqNg6AiKQmaQ70Y5ZVBhB8QStQvUz.k4K2yzxesNkCr_YEmFYvNueucQGIWnHiV2Qd2UP7v7GNwAgDHQklnQMHhOrc4rBYoHUE_Hg98h2_lvEgRWYC3hTAUK1LbGTFXsS4tFIMYcjRMTCYyAby8G1H1U75tNb_2zVkngFE_JiOqZHQJhJh4xfBDpq2EIc5t1r7vipj_Ia2a1vgvHzXikr7foF5PBmRwBnvaISwrNlWgld3CPpAorIfBjgzQDhrW0hL.BJ9xU6OZadRVF4NyRAomaOOX5LrthLM90r07Z6Tj9A0kYR_0GDuoMt65837MSnlzSXY_NoG3IRvWkiG2tGIialKHgkawaOlv4i7qIEcmt50U5oa8Argpw06o7AooQKmFiNvQng7PPMbosXnCL509JCe_8xtB91z8cXHeF6TqjELm_2NlJZ5RIK.rUBZv3c.dLngTXNtEcp9HxKx1n1R0TApa8_k5DlkgyFMaxcHhPFnhco7Ie0ht6gBxtrYhjA4NlfrxS1eLFxlfG8u_GyYSpMlCiXpYeuN4rtQdp6xe_QpATFaS5CoassJmKsN2zofEtSPwYYLlcBxRVE90oazjaWdAoKydRrRBbuWElzUgaJP2kCkPhrt38AJoyp83voYSzy6IjjrsUozKqKhtdCH0Ua1.qyLRNBxsdpQTZc1vMO3DCecFsUQJ5KLmpHQbY0IPy3YCVju99NU45Ja11gRmDoIv04azXpYYaoPmzp312G6fGSDgnBB9xQvACBGUrYua12k2iFGRkE5ILVssRIxOBsv0tU5.fG6mxXD7gSxtXr_DBpImXrPKU286.cRnIveIIK6N_cq1qP3d8K0qX0IQgYxNAxU9YAuErEIm.Dng6y8sSWDdhEPtE39HgRtvTU6.VezMHFi49jFXKcWS8chQPq8Azok5gjnEWcShuKkk8pa5BGS6IxGt9YIldpu8VOVWaD.g5qDgmyL.gUMTSJF4qOwCg4.RxYBdi0OkJvQmusJ1br47jJeLKaZg0QprEXT.Zpg6iLarRNM8Nk0K9GNOdxWqVezRO17xu9u2ac5EZtcFBLTvkGmIFepuEw6SDHCQC2uOepPJtrxs4kjcwtaExQ0tsxVf0pmG_GfD7PMCV25xwLIKM103zkCawXFQv9OFXs.m0y9fbA8eVhmpJVClqA_gsRC76gcCSd_UqGlN7f6bsBcyBcfY9qcgT8IvQS3zONLVoNWxSR1BzQTxe7Ynz08AqQTmPhxg3io_m1BWQ1rIAQWJUSKxC2kbCy3byCgnOAFZ9W_WxhUZmBiDBY40vQ8DdZHwUqLL_0ewZEt.mAWY9AzG7d5l_8HVOzikHtWxWNfkNJoUPI2sVnQpEzf2gi2ywEEqEYPSjt2zQYJJwKeoYz29yQvzEuKCcCAMEtId5B_yNJ_fqwqwuF.WZKHgZ_RYenTz9zeG9ahICZ6r9ckbTlo71SW9XWyYiJfCAZEad_zH54ANrmVPnxpVWf6OF9Cp4v2NCey5mqChTJvtP77vHF2qhi1MQcRRzs0sQV8edSJHX9OO8O0ISlG2iQHky.X2mDYf_8rpmm2SyNQNX3kCvb_WSq8ioWHkvWmIM7CMpJcA2vUhCQE_QirpNnUqJaGnTangSr8FU_tqn0npsK5XUiGXR5WlD3Dvty8uTMcsDo2cY2xNkiMNl6qTWWwmX8EIPtgwk0FQNWEPLTNl1A5qVqpLckqC9QF6.GZakWoHb.JF8UosI384P0rp.vTU0BC7cg42ZVsnvuE4x5dJktwRYsUU5OtyeiAd4wyOpZdKqYSIIFQXep6tcj0oKC9keVrPE088RnZenH18MFUl9aCr6tfmNT4dJqUC4D1n3CVMo1M6RvAm4lE2KQQHjlU6_ZQKw_YhxaEW78QV7.LfCxfrdnKc.XGZtfD60xNaUSx7uT6FMmMbwX29alElcr.iSU_nyMmqpU5JEwpFCBWFbAD7dL_zJ88OCLkMD8d.Z57YZiOAn5RwuEOUAJDrmzLWv.YBzYITtLjMxaqdixJJBdQInDZ3q7TsOj.ETBuY3d_v_nZhZCBLhmj2LaVQFmTVOsT36w2gk5IxO7ZYsQaKShyfBCzKYkbuvk1286wupPMPahONPYx7PkxcvWcPnK2wo0hXepB8XtitTFR7Zw_HNB8VCNtcQJNfKfqKt.k73Df6T6vi_Fot_ab8pgzR3plDq",mdrd: "lxbSSxS.ZxIr7JLMTGKP0.GwSa1Yg.GxmDql4.s_Bfc-1739402515-1.2.1.1-d9uDElEEO5s6eKg.XmJGTlixQR4_O96xkRkQKhcBx4KvmM7h71s1hsHsY83YCuWwY_UCEXJ0AEiYBtfkglyRePQHAYBv_EervVmBz0p67lIHTD.yKGwBvW2PKXAl283Ws4YbWeHjjmm.Ld4x_DK.VT4XaBURbYtWTI4R1AhK9d8kkRxBqcLT5dlMQjQmKon0vXM_dXzVz6xMjyLws_bycsSYgknlwKOWIXCRej2Fn50BosMoNCg21AS6zbP3mlqvobuaf2nKFlNzQYN9IIXbv2mmJCfpaNbRCuQqWsd0T7mzNHsOEgY2_oJtcjNVOHMsOjBrUXckGaIX32VGQWVLo_UiANnxNYSYNH8erL.CAPKO4T8mcNz6P6aGOcsiaO2C9tvs.XOLTLQEtQO6uWW20yEEIJcI2KLn19OW.F7iy.GOXboUrfZzDkdRKqjqEVp67DqB6VkkfHtxs.fnVU22ZT3yAMqIm9YTWogRJhXuvK1_WORpSBpxzYOfpVaTdIjga.jll41KVSQLQTC9N.Wm8zcYSxOw9ILBF4aflaEkvcGotEmADeW7bxiElhMunrakHzM7unxGjKmrM.5d.5GSKSfL0Bv6N8Q8uGhHlE9Mkk7GbntM.jZYtitawE6zwR7kTUfgkp8jLF36EH3D1DpbWPdP3XpbMfHsEX5BbA9ROYPNZCPwd_3h2NAlgMjsHWi5Iffc0gck6PTuzxDATVQg3ouXF_aD3QeDuufYG2QtWTYPbE4hOfAhht_rUXeVZP.dAO5_B5pfWy_GySc5kRizYvUy2ww9MVa5cHoaN3l21VpVSzSh709qpuDyJdpRuvHAAS74oX.Lrhm28jUbQHpQzQ5h.N5R15a2yd5tR3wEuvY0R9O9G24eSp6QF96SF2SVW1HxiFHLM2bUr_q6cv28UTCR3P1kzMVGmQzZEm.z3.sD_IQh5.1UoyZ5knJ0IX7X742_Qv6lX50ixgZWaHiiqXfJ33oTSFltodzzoNamN78NnnTQDM.ptD7bEq3cxBOvjdPv706e.EdeC0rbVwbLjID2GAS79U6pPRRPKmuXNvfu5KmrLqWR55O.kKIvGYb_lm_XY7CoXtgNScplAta8U1VbRl9wm.UTix62g2H3_4aafLhPIImK06g42hK31foaJ.WM91hb9H3NNMNvaOzih2sGiSmn7UuE8jzvkwhjMuVihqy89f7HOeGQi3Skx3WKSFJbMK.tRnytu1j2tjVpghvfxRUEd4AGpYzvFu1XwXc8_oBUPldiy43Emm40PTx2EuRM7XetMEG7EfsRVfteID0RlL8SHiv91qPrHJQucVZuqNeJ86KNfiwdpXfSw6kbJUkIK9Nu9B1VLbPAfz7UyxOwWr9ZpCmNiWqsn6jCsGMt1MZlDOy5u12Cs5ppspshQS9skKokAbKkN8ymG4D5Qwwwfcw3KTz21Hd.gHdKxgBVhYpIvOb13jVc9034GWJL7Zm0w4.POedvKFLGBN2SjELU4d1gh9yjuTWhWiDRrvMBKwhveEzu8tKtEH4eexYlAiasY5qtCMJLlM6SvIy8tsNVavSZK_l2Fm55fwSfezTnlO.oxGN_vqQZIAS2R3rc3FDZfNgmeKX2xZQlFk4BDRQ13jc3s1erAZfhECkPSNi9jyrJb3NHh_y3PH4ntd8xPmNIaECLJNzckU1iz18tR5FLHRiyzOJI5ZeckG3hUrDpCwP6f1d0DiuQB2FWlndCxbqxRWztko7dg3Tih2xSCMJX7rJol9qBeuncq3szr8lHa9UbnXuVuzXvMVLizqyD4Ic3OMMUtPCEsN9oErNglQgbmWDpBYwa92BXg9ei8Pg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91105156bca05944';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\/6123870495?__cf_chl_rt_tk=2NpRrWERQxcT0ccbJuOq9qzkr_uNhcaGVIAy08Own2c-1739402515-1.0.1.1-YXbtBODRfYUscUeR0W4PPVILK5a9bYSjAKRXF9EMxqQ" + 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