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-179370112440.mit-edu.top",cType: 'managed',cRay: '90fbbbb979100801',cH: 'YfdZex9i1eS6gpQgfDGJpd2qFKyJl4yNg8DHeoYB.po-1739186671-1.2.1.1-SUgIE6mbL7g5IOwE6muSb9m5uJz6A_fOg32DRd3C2XuuqWFwDJlKrM_BviNzqxnL',cUPMDTk: "\/post\/2658034179?__cf_chl_tk=kKfJPcagwQ_DlhiGGmyxuAW60miL_DXrpyrzpuTnpaE-1739186671-1.0.1.1-luizcNmx1glPvQ8.6cIDlqMwROcWjjP6nYEEpJhDqmg",cFPWv: 'g',cITimeS: '1739186671',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2658034179?__cf_chl_f_tk=kKfJPcagwQ_DlhiGGmyxuAW60miL_DXrpyrzpuTnpaE-1739186671-1.0.1.1-luizcNmx1glPvQ8.6cIDlqMwROcWjjP6nYEEpJhDqmg",md: "oEeKNN_tCr8c2AAbmzzXJ0HMpwJ.BlhPnIwTxNvL3QY-1739186671-1.2.1.1-4c6ZXEgKGRPYNmGLOSmRDZ6o19jzOo9ixzJW5FbQhzNMfA9q8p.pSrV_h734lP.ySKjMhTAelTo3gD1mBgqgBUA1O.2TX7RyX0fZSJW0a4D26U72YBwygWwUJ3Dcht3jClGC.p5TeeSjEtLgxHZkfQGmZeWdwNnrz6Vcc_SgoBMlhCqKOvduc.VHZ5HrtzC9Oex02fSFBn67MRomoHunIoxZBGJjcpUi2vlex7Hqk1ts9BK10dSjVpA05MGUyxnlumwIVwHwANLRJ_lM3V3GkrmU85GbxZ6wGi5yOjHNXWYGRsmHo4isstxWk0Oc_GYUWyKyMWgt7k9pq1GVao8xv4Nt_fPc_xdvYvCtEvjRZFPlE88q9eDUUMSblErrsdw4hbKU.ArBUVlbdlkENoY3NNCJvRjmyIHt6tW39MpGhxhd808MupN1vJ_rQPu.9TM2L_TknUV3GQtVbHR8qEUpQX55Gims6ilQebc9cSeS8WerwFIh1stqDh.5kMfjNEXTHPhjgPeaaAwHo9gJYCWv454PZajbhVNHngZ.tIsjZZIuRsxp.KNxg0yuarIMdBjiCqQeOni3FEzOOtn2qFcps022s3CnvBbaY86QgYoI9xU9ixphGUJzHGD6_mLX2kDctDbWBzM1MuPv7dS3YmNspfJhCdojplpl3zc7iJMNX8UHomD1X07RzyVYj72A..E4C9IEUO01Jg3Q0xsw9tLEw1YMiqV62R6UWhq33T6C8QAvRZrSRZ9byWmJzF7hc5_dcxse1Nz9QP.a91krRkN03jNs3aQRqAdD1YzX.rS1qgVEFkt2l54MzzVnIjcX9qLrS9TI13qcd_xn34EvRcP3exTvrd1mr0we4BFBq4SIpk.e2B7QYjDuNAEXE_odchflas.yZ.RenSSISBVSbMWvAp4V0rh3HelPxOmhX4LLxOBUXjmGTNfDRr3PkKOecvyZQPLFrgVe9LOz8RM9fgWizsYWJpOKCvlhFPcXlz8Jajbekk3ln2e3OPXpkBIcO3FRGR9EFMy97sEHd3khONmpqLgQ47VNICN9enL.mxKQaHWq1Xb3khsVhILUjp4s4HcF2gPZlTpmCtj7Y0JrvLxcb7KFj1JIK9Y3fX4CUnAWeQbcndnqcqBDCHGUKHXbimc3QWomH2iLe1WoElSdpmLNQy1IE_koWyor3tDIlG_ai8W8OgLkNulpDp6xX1uBVcLsaQ1v8chH9AV0hv6lm6LdQ0ZQC47hIfbWIGbRNCwWPe9A8jYDVcEYXEWtO8g29YbnhEQwfS.40NoGI2mAi2NDXz6JsXoEFcW3xEtmhKoedo5wO3D8NgDp3s9SnutTqnRqVJYySJ77oOoJHyj_tmGWBmP4QHy_FYbEEOBfomKJGZu8j92s0NwdnsMah06zTkH6lpE0RGxdDy8gxvQR.QDkM8dp1gnjwUdB4t3Q2mEkwBaL4Em7Q4_dvcflDAiPcVHzaqJDCACxhOY2vKqy7E1lPu6Kv7bJoe_.EKDcz_PanNGRXzbdzZf_y5s4ARYVtb9g5NQpnnOvwNJHAjZrUbEshj9hVqRcMtObe4ZI4Gy5q73fGf5g0ic6xy2q.F_GhkhZq.BmzNLZMACyYqcG2v27ZeDb1cFgActoVISjrSQ.C_AaDngZcBPMPfnxb7yOBXjQlot7c58YYQ_RsfSv4_1IKREjL4FIMuTBYLKswTsq00sBK_WqJ0WaQLA5ikwHhpcP.v29oNUbPLyRVqUE20dXP2mwjLYWeC49eYBrOS2a68DaM8jc9KaEPQvYyxcib5DsAI0E86MXoUFjiNgEaSsSsE40mfTSXDJVH.jy8Zs3QfADpRfndcwausINfD7.mqNKRPmwRETceQieyUwWHK7BnXIBHV9iCNAyxrCEMNO8ycSE4TyDs9FIhZq80H1FLLr7gs5ANaGtlbkasCWQwd0BXqwVffzhgnKDH0s2JIM6QXetIuDfOnRAvgkGGdFhksuVlpxslLr0sIWwZhFUHIicCPfvG1AYNpqVIuNecCr7HEkxfpJEC1cPFl_cwXXsJgXOZT770dLGlNcH8ya6i_tTNIp2l9pBkU8XXYd2bVOoLft0FrydqYDUJjeqZpsSh4kkUDn5252HWnO1BTiGCUcsociej51QqicZyKAkgJajZnvNIAdAMAvbx87WeM06HkUo35NCxPvhOfHS3xv8L3IUfVJdK6yM2xpDvz4IHM8dAMJ7ZhV4yLFneEjlNQbZn_eb",mdrd: "_sQklFQbAtIzjfIRqe4OEn8T95VUP1RjIWXk9SlEWFw-1739186671-1.2.1.1-Mi4kdSD05wG0dNtz_OyOyjQsqk8sw60zPcYkZJr9AXJUtBy1Qrfjen5okNOSsxv.0pKUdHbTgBke98dDMBgr2PWbQIoemaz.wH.WdRwhHNZE6oto1p3f0JPyexoPu2NcNA6klBcToGNBCpg18drqsYvptBn7CdY8jTht3.nNOO.U9JTzEyDS0Glo9bi7RTsn_7ttHV1a94jDbQD1SVso_TJ7cMQOnazUb6wKx2a8mcw8PsYQjrX3f3Lcdhmo55ICMGtt1T5HzGIg_wyOdN5Akb5fqwr6.J9nAIhjSprBvQl8T3blf_4xJHzid.0cvlG7RgBKa66ht8iUvKsuKJUfJ2QBvMi65ZNhFzSASQt_E7DlOq0PlQBYZIAVd89fkTc1XNV1pTJBG7CAzN3PwXa6a16DVHxCIWWUDwDq2jiPGjypwMJ4D03Yqluc6i6w997gLo2UpViZ.FbKOPi4OeH8idcdG7guovXKRnCOOUyqq0GlvvBP8Ll9yckUHrZo_YKu.2DyEnampjY6SxGlispuavJmx7ON9oI3ptKPtnz6FpKxLjn5E3p86f8rgwj0tIPIk.LbIh4q_Yndzjyj5N6.dHWEd53z3_zP_lZS5.RmcemvQL3dBzmRteDVJo7sdkrft1rzDfQMUC8vF.C.fvn_hNkYJSn_8LBgLXecBjBhOK0waBtT72aULYBQaeCo0_hUhtUEw7GjjTmVsgH3VmDS.3M_Vo8yaDQTxeUzz5si_F_1DjTSKYA1Gn_QZ9hOjvHZDnL6g8wE8IrpdPXFP98Oo9PFKNeb6DEvSBPP0.NemYXdwNMPmZ7VuUEOuCcWv9yUb5ElTM8ZSeXXyye1A3Pw53IqCeZoNgMeHoQF0q6gE20h7Nc8YJ8.vokStN5BY4BWGWgBowyLIeXNXlnvYT7erTslK75oDaeIpqEYM1k7IcPN2Oprwa1YKW4cWOysa47YfN2qFyxcjWW1lUQNVHF3KR3LK4XqjCXy.qN.2_RSMLpAqkc3y75E5bb68_8rnszcJc2g.3FU7KxNpAs8WMg9eUAGUCaWIVHBDjXFEf5FQYIpmpEH20LV7aXYpSSOcHzRjCAi.3W7yK5iFXwOKJH0j1ORcZvFg_7zbTkjyQBLgCj7gTdAgTfppHeddjHNzOWeZ2Kf5qmdCpIUoYy7iDsK3OaOaHMVfqZOFIUYbSxc7DMJCkpH07_r2OparmR4wpJp1K05DQKqjuhxBNsnUVOyL.Kv2CYYvVWdFi500_fs0ayZ.kI4T4zcQ5n_HFu_.inWGHr.5lZ0qQEJInCtZPiKaljmfuCBcBU23SFOrppXZcFrSASsDbSvP07E6EnXPOxFH3D_Tvuxyk1o4Cb5ZmUNC6LvuAokAUDXFgGYJGUbwTWd8Su2JhfKB7a4FdrhX8tViDpwaEEAVv7k0eTpyfImdOdg.6UoxHsinDOvPhUlyDNNces88p3amzwDIX41PWmbapy6DKtf3_EutYH52P6YrMS26u2hm8ZasUYo3r6NBjzh3DuVZ941zMCYdHpt4R9CmYtZKr3hnec8o_MUi258oJ9pm3TzzbFG3lQvy7Bsdtbpnpso2ja4b1xaL1kHT2W4K9eU2WEPzSpF.wQYBNnoX79qF9M0MevQrkvTsoL2cnuENu1GObHdpIiRrg.e.kL.kmidnfuzUE.5A__tCTRvu1maMNR7gK9EM3yCmhD1wYe64a0sxo0pWObbHMkQBAUMv4qe7TdKU2YhgWB0ZqtYmSn3VTSxJKSAmzVOR1vw_IT8EGxEKV7t6Ua7JFmnJsL9ePysRWKnFugEUswkzVq.sNfa9qctW6DYTiqgwjiLiS0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbbbb979100801';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\/2658034179?__cf_chl_rt_tk=kKfJPcagwQ_DlhiGGmyxuAW60miL_DXrpyrzpuTnpaE-1739186671-1.0.1.1-luizcNmx1glPvQ8.6cIDlqMwROcWjjP6nYEEpJhDqmg" + 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