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-981321896204.mit-edu.top",cType: 'managed',cRay: '90f359d4bbe1f26c',cH: '7Ch2TyT4HfMABV7VjGK5kB9ISI5sNh1dwzRBMcCFXvM-1739098775-1.2.1.1-mRwsETUmUd9TKAN04cCPBOEnUSsmMPBcU2DMoaCk8z88GWd0zd94Lq.LIt9ltHMN',cUPMDTk: "\/post\/7135869024?__cf_chl_tk=X2ucTxI3ijNx7DR6OxbL0YkFhueezMw9XkQHtYYiZ1s-1739098775-1.0.1.1-.xO39KHy0N4kE1FiubtvDN92JpQHzfb66VcYhxbVgA4",cFPWv: 'g',cITimeS: '1739098775',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7135869024?__cf_chl_f_tk=X2ucTxI3ijNx7DR6OxbL0YkFhueezMw9XkQHtYYiZ1s-1739098775-1.0.1.1-.xO39KHy0N4kE1FiubtvDN92JpQHzfb66VcYhxbVgA4",md: "DJLmlJ842MiBH4bu0AxFAo_2iMlFTk4k92mvecnqRwQ-1739098775-1.2.1.1-9pyOjXR00MGzE8WfTTqV4d3gXEDysC0cbfDEHrueP7Hu51qSFBBdNs_kCsu7VMkKuduVAW48sKo82kXoq79WsCHFIDLTmMcPsvEV97ERyxyhHHkAa1hz7aYIWwAQ6Obk1g6GBa0Mr2O5CN_BUT7V0un4FxLWwZoY0OdQh3eOvoorOiMx3_fLGGddC7Y8PB6ca7csz5wCSGhQy5CP2Ba_fP_pBebauqqHMutdeJ5moJjnjYPlysUhr7HkoRTz1O8Ud_rurSWqP01e0CQUwkysOc0L79lVNuTa5_z7zH4Rf64Li83d6URPDAV0qB00NCA.z8w9FbF0sG_TgkDVRJCxkkKcB3nEGw1QrpkUcdVt_vFWHlLe_iwYW792PsqwtHoB6t7z1RPYtQnf_ucAL9dMWektsYYrBQw7_VXH_F6zaE9Qz4g71MEmWdVk.n5ozR1Y9D.cJpT8goXOpWTJTx5lx3UVUSUGXjxYwuXUWUc9ftXgDvfpAEBpkUHioMi99tyhwpdBLSvCQiutX5WmNvRIONUFO2AcTIelx9PwKYLgVvw5tGCAO6eY1MZ2fMd7o6WvGNwVPTkLJXhwe9zNi7UVaOrJtFBC9jtjfSHx0hdtLGYVWquGIplF5VYzFVl8Mlg_S9GXBxBMpcwhxNtI1ay0Zc0Xx8VadOGcpgfii3EEHql6SW_RpWo.EenqI9eMNYoC4QgENZwEYV_VhqDVlzh22XUH2E8FgQV6om4Nu63sWCeQJ6Hejul6z9nHNxrWbCprkMecGkp2Fy20rPAei6aPXdge7qaJCS0H0o.i3f7h_xhW91__0UA_UgF2hXEzT00armHgVC4KxOoOxD_ROfBcj0GmdL.zf5pXwU5vpiIEONCCEOexjWEJ9xO6l6MaoM2B8Ldh89oRmyOsV5xk0TUmCTHkIgmIanw3eN9MUcDKe7DvMFF2NG75V3rEzHBK9qG4Lr4WnoRkPesHcpNdOKAoR1IBQmgX4a2Nw6L_zMZRVJKnGVG_H80RsaUdHe3k43TA61q59QWUt5JUhJW2Ven8BE397tCs9eNzp7xe7HBLy37WtXJfX6OUNL.YpfZhkruGKbFym2zsBakk2cNh4zn12E.kY2mHSb90YD9vFZNPMwukJ.7hvpfU1.jkbfdNgskI0F3EPrhlMliRRfLga030EQmcEMRho9gCxY8eLamomEsnsMyr_OGH3UQWfxtZonS1wJmdyugKF5AKAlxDL1zm69.ZgFTS4Q2f2JiJ.9ngyaxPM55ulA0B8V8ym4Cp..E6dt1KsE25ioEtShTcEIan7jNBfdqo1jLdZvRmrqYHXSNhvv0giHT6jwzXzgSV5ptZq2I4tK90BDP3jheJIUquFkSOnAIjG0QHzXzoEQMw2izziG8mdNciEXx8Acy423Xo9f86jMo89eIi6HOtiLKyf3_3_pB9F4NDTAeTjIVP1nvQE94b9_pHga.eTCmFJPIfEfNrzgcOHPkC5DNN1E1YfmoldsUY.oCOcEfFqmIiNjaQ5rYAfMxlgz8qCVjEK.hsunQfHGEXJj.DRpGvUQo9SivQRCelNYh0Y.jVT1THmRUvSZ21_bXtwtHf5vAtWkigCxtOceryCLqCvd2E5TMg3R9jFZqQyVj7QB8YBtwHi8A6ID4DBpIfVKYNtsFxBCuf.pftFFl.3h9SwCRB0Z.hXpdpHGiLjFhMcpDeRiTNVhwXAdkhWbYOjoBKHWkRZkSwiZphee_r8snrrmIvpGp07EC23ii_zBiUBAckyzwtW2MUiMgkpz3AZ6jw6wQe1eDgKeLNz9rTFDvNbNWGyq0AWJNeMOIhJkoiWqe1f6YF5AKhrSyVx.wgMwHzxI0zoOpzjvJsrxyE4uJBjkYoTeTKUZEb.d3rHgRNtn6p6aiFnvNYcbZ1dJa.78mPCYzv.q5wJj08GTGVe7nKoi3826XcBmfYAKW75S9ja1Y5uVDBm70J9HneVcKtc64.SryRdttaR9nEh9USfV9CZWvrTWTiAjicycry6MlOt9hzcgyuAyHbT.cP3lVn90zlpoDVKyla3lHjsYLp4y7WueUhVQ6_Li1Nzu2yVGBVZgRgjMsowj_w5ibIMUrrROp2Yc76dfwWETvY2tz8cc7UyRRzIJ.l_Ha6AxtBw1gz2bP5IAfDAbvVXyskriIfPXtVfnmLPOO2PZdVzosjLPBjo8Ddm_xoyQ96hzIutVHPCGpKiTcOloD_xWEZIpnd8GWNTahTF_.W",mdrd: "7E.l5L1O.1DBXU4ftIGOBGqpfYMd3K.sMbsXLpLQ2Zo-1739098775-1.2.1.1-DW1iZtLJ9_Gig0aOZ2GcDH9Q7yn6Mv0cQOSpgnPWzdRXt0lx1dwfRPMcYJIZF9J4nbzOm2g74tlGBLzXVEgG7.inFI9o_f8WjtLk6a0tvjDd4hbB4KilsB8Z4vj1uWCGVvyk59zNrHtH0HmRYX._Gk44spY13i7Rshhp5eFU9XaI1wXMgodhDkTqsSUaD0KdnMCVpORAw5OQDUhCtgNz0kfpIxFc1pOJ15xebhVkK71t_Mg6r3DO8rk8qA6c1LiPWbiaxgu4yFNGxu0_t6HB18eTp3gRJL.yjw4k1nFB3xORpsN7D.F1B5xFPjCF2ug3BmyKw7eq71ATtLZhsKlufNDYfkFQD7GPrIhK9fvfxBwK0qIeUtLRsBA0nWWmyMtNPhC0Qkc_xNNu0uSTyqsqKDcFwYx_2UY0jJx3uh_Z8LXYGwUgQOdVKpJbpk2FKVJ2Y5Xc1NmFmaJJ9sT9O5EvrpHKNM8_tazIkjBZ0XOBFxUNvVmNRe3mEjILUHd3tw.JMVWv1low1d3ZcQxNuTLVkJl6ZffSKbG7x09DsfhMkfCm.ZUfyGMOXmbfJqTiiFWPJmiespd0f7p8vTsBL8kMwFBKE3w4Q6x1T0VgI80E8SBfJ1r3GBQLfQ4iQe0NMJzxn83ARpLtupii2tp87BzhN1cDBrHgoP328oqINdOq8_CLtCClslGR5kO7SlmegNWzfptJsG40NqULSn0BQjOKkde4GicZ6V4Yw4w9FC9G9DBjNyIu7wRcl9_juq9QIajA2laSzQj2QDpffdjK6XMeGlXMXhBIqnA1Xj3XuGVBCzSQBfcz2PpSb_XgH3gQJr8at.hOVttPB52vTOVLjYWSP7sG2na_HpvyYhA4qUUoXL3WUpsmhVlBNNh7Wye7_JnsZ2zvc9sQcUxeFql_0roiZyftZkhx2iBIe7ZtFJPgzUOjl7OQhsGVsEj0zAlB4_5O.H98sNc0Dt3lDbTCuQeLXyVgZIVizYEpDTA9Z74cTwsMSv8eCISI3omi0Q039xXoHC2LxHvptK2ZwUft0iRHnknnnUPvyejBdTaDIM.u7CayrgcHnCbDk32g1nglymmobSZcpG9Ud5fVL0BYdPeE1tMXSH.XCf7m4OH4Q8sghhHI6jR93OX1VDp.s8uMfRtUWxEm_L1IHiJbuXD_Yb9Ny0ucCMQk7R9t6kDxHigIxiGhAaKYDEqZW3u6eA0GLTccT_ZLBUQN2G_HLQGssQoKjcsM4rZLvg3gJnOx5Arrk1BhebS9jh5PALpGvSBvY1k8i4hn9K8tq19XMrd4B.IJXGJ9W3xXDt3CilL0k9xpEOFxcTo5gUf7N8lq_Zu2LHZgZYIwXsYhWxPkgPcGBmS.4tGkJ_OPCD8hyOHjRz7mSMkAdMp90QrgdGAVs5RDe7Wjv34sFXNWQN2s7nqJeYPl1A8yZ.ERDfHBZvvsNfwc954BQiN8vQ1r3DqjGKJufHWwHcSLv97scQuS8RECGn8e7EmAL25spAQ78yMw9kw1QVl.6PtkpVEjSXhxTUleVv06or_L9kt005BskrXCnj3gvQycFdT0_yPwvh1jpVMeSzYbIr2zkoeLz5LargbbBuIySviR50WxecekvzTfnqhHMBmGYdTPXFzWTNbq3mBtU7Qpl7mx.kb1QapMa8ZhssFtMLJFC13_yKgusE8LhDCSf8xyte5ti8hHoUDfamSKcyFB7dWJNjPBce_dBOX.DSYo6LTwKbBy5LzRMU.jrraySBlU9uGNbqc.lCD9JULIqs71jE4ykYOyMNcs8Y8o7UgA.clIxjSDX3SkUvbJIv.rAA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f359d4bbe1f26c';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\/7135869024?__cf_chl_rt_tk=X2ucTxI3ijNx7DR6OxbL0YkFhueezMw9XkQHtYYiZ1s-1739098775-1.0.1.1-.xO39KHy0N4kE1FiubtvDN92JpQHzfb66VcYhxbVgA4" + 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
