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-329890753421.mit-edu.top",cType: 'managed',cRay: '90f366a49a0c2412',cH: 'kQ1E5Aq7sTI4Mibo4pcaC5LyYgg9pdUL11aTkyZ4QMk-1739099300-1.2.1.1-RekgqE6J1giBRlsckNjcjTcPCqpQP3WHfMAqFGzOQwfW9_l2vD.wJB4xujxdysaz',cUPMDTk: "\/post\/7196538420?__cf_chl_tk=idiAV4jUqYRpZI4ORt0UMidd51XDOraEklLBHwCB__8-1739099300-1.0.1.1-sqsfW_Ia0uSD2vpAE3rzjfgaPtdG9tK.oZE9mnSXv3M",cFPWv: 'g',cITimeS: '1739099300',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7196538420?__cf_chl_f_tk=idiAV4jUqYRpZI4ORt0UMidd51XDOraEklLBHwCB__8-1739099300-1.0.1.1-sqsfW_Ia0uSD2vpAE3rzjfgaPtdG9tK.oZE9mnSXv3M",md: "gUWuHDfxSmZQhB1ZkHbSouDFW50feA1MN.0CxOJw1yU-1739099300-1.2.1.1-QfdIrlBm9RWjOJVHxa5F_s2uaqu8OgDpwuafKCXQlO1fkgpkzRj2bzuSrl3FtL3ifkEy53OUopenkTag0PocBRA4jttgdS6ha1qWJkP28O1bexGKtbHFl7YF_ZidX2ZpLbYFU2FJcmzbIdCgV_PStioWrcE5Qn5qcPUZkwAg3fqbqgbHkrzm45.jrKkMZ_pc5CYt9LbKLjEAa5tXlgBae5vFwCi.Y8CcLbsBmPj1QEuCpJMap7N6x6KQemsG7Y00Wwt3HQB123VJ2BwV4kZrhRkiW1u.SCp53k3rOk6dr1ujFtuf6e4qJUgZtNOKGBmyTN5GsJY6d6LcNPD0U5u10kdf3RqSVXhYkNzNaNzd9olA6SGkAnla0WZL8WBCg8tcrOhFB7BYFA8H2YCg04dvaUpiQZCPxiZxHY9wvFomJQ_i5voCPzHWLcJY1irxrZzPmlsFrZH7n3jMBHZsJkKr7LapkYT3ewDU.QSFqJ3Qu7.wJpZacsaJ3MQK6QbTAjMoYyeZVUsuWr_Ovq_i0Gm0Qx0v3L14orxNdviVXuPV6lbkhd08HBL4PxaAIItBXMLD1k0JVcccpy2bqqf5O53X4qUum1kc440UbGi9H3wgdSs18m8qka5_fwK0L_WSudIjGpgQv9L9q2s4ByQyyDt7l2ksuvyZS4ZC5QTr04xM3CjtmsCB2fCgKvmmhSROp0cWmLfqDpmzteaIfOiNOk0KDEqTOdeLTQgJXIGKExSG8Q9fAzeKTafkKJBKx3VkErUdHttTRqdk6fEDbp.TSOzWh2DSDDnNK0AKhlO1GEEC0HQtrAS5yn96qqg43b2V.Qeds06EbX5ApvCWX2yqhY1mCPRXkMazVzlFztE6.Es_R2uKF_tRrK8V64drsxJAZWjqgTuyJaR7Yz9uesO8.L4Ol.iifscypDCV9eH.THbFXO5.j7_QT0nRAW3zYWptiT5362ogJhRa_1bLhb5tZ7bBgO0JmQYYLDRip.N5yjbl63PwuQHQxZLI_Aju4fyERk6kKiJaNRqMgN2agAFAjIOqz0dnglatql.0LBdA0EJm4t_dZPx2tXWGERcoDRfrJpCZqIHWhHYqhVNSrbnr6z0Re3ER2FmN3163YVvn3ZHogiSjbdNBFCPqIhuKnZj4jImXuS2M4Oil89HcTVN4m66ZdZNufS8sLoVm.lWYuzNpWUa7YZ8isQHdLsMlYYlSoIi4BBgQWoA6TcN8uL6Dt84hGxe.Xg.HPyyvJFsmnh24Jc8aBK.uU4gFMsQAm3SH5aFwSp_VVPhX.Q8u.CiC.vtYLM8p78eZH7gVb.NRrztXjZ5GQ7UBrYXGptVPmjC9zlUxSfPvbSys4orA71SyxKVDk90HvaSI5kilcdVmNJuEXgxDhR3iX1P4hgS45oKr0gqSNr6Ftt0jQHzUrpwSmCKRrBD1mrsn2z0XcI9ManvMp.glK_u4Y1_2U.hrM4_gCk5hxrZXmYqvhhSLyJgcED8NGF.yp4TV7PtlV6RsW3l4f4lrgkw9Jeag87F5HZtGemb1pY7YmskD_bwhEXZA_Cbuq0PYQKZ_dazgn3ZrzGnUxNM4JDLeMmxug5B8birfkYXsFxacZfWOsV5_kSGvXk77rRpn2Ts49J3a6c230H9F.eho1oqjjt3wcikQDks9IY7Y4qWieZbIQqgC8CtzMLSBvuSON_.LZi6bMG_ghQTVnSHAkBGz_fDHw_ce2QUDFE9uiVcPrr1IePBinARwj6sXBsXqXCxgHu1c2s5AEWY5EsRuJvEjhd0N53BochryisOgZkm17TpThaF0I__sqArd3OP7p4M_C1aHXpifRFpiRFvbq54P8NXhsw_rHvuwnyIET2jAe8oOixPeORfKekXFMMPRp4hhzZkyD0itevVIMoHk5g7oq3eptZ2ZHh65TSv4W7HwJnv1jQguFESPvoOqmuv2uvx2R40u0RGjn8TiOHOiJngdVueqOl8CNjxjWzAWxL4lCnI5LTwOJ9IRRdrwK96Do7MP69FZb50BoiTe4X6FwOiPN8wvHKj5FUq4.JydIGBMLzZMkDccQAuQ_HCdVl1u05yTZ6vlUCtKPkL0.OOZGjZc2XkX4ltdcY6EBJx45uArVPX4.hM5qpTMJ7Q6u5hUtSWHHN.JHwj1Q.UlRXxr7UlwsfKlVeIQK.J6JUHRz0r2s6vm5YAhjylUSgOIrrhhwhggzyZIqjiZIlOkBreXU0jizLvM_T3NSnbcr2vS",mdrd: "WzVriWD1SmHmDw0ykJciNKBNbdO1G1r.YtVDfq2s2g0-1739099300-1.2.1.1-PiEnNtjR_d85mEmocCLBtbw1SRO_Hw0mpwoFV8fzaWS7pUwlSxUGQKJVaj8FzWaZd7I0USzMK2vaQcCVKzYvDBPHKh9PAVRk3kyftCU1pBICtlWLeWnCqJPhTZPSxAsrX547MZq0Sdydu8zA4bt5DIhaFSSmV6OEFLpm8dy.6LIG15VVAIADQrpqAlZZ6nXhrgDAdwwwN7OMRevMAl8Q2pY_sQbZeIpJo4OPjU1Mi988gwaHAZ7R55hW40vae7._KgFrd651OGAVKgzSuPgA8XfIULGYetpSmAt0PABvh_o2M2Ti_Y5uXP6BAc2.7W6l0lnwOl_eZDhO6OyD99NTHxm4sjHUrCZ4WGEYUZgnmtXNjqIcxbcrBHS5WRg.X541Rg0B2iJBdcWvruCy2NP0.HRcGORny6BE.zYB2s4Wk_pteMR8nrnHQ2H4z.mDqViNZM9wN9N_L51_DXV5lk0SSZG1vAUQKbua.Qk06cGqPUmLAnQ5POO52ljBSCZLcxoi3JPSlyYR9XSjKcH1mep_x2jaoSxpZP7ZqUPpq_q7JI688vLuXPJ5okAxMBKHRcq.F50k1wx8.Buw2eL9_BPagUwq56NCDfpoDh2GnJ9Dna1g6uqj0rTGbc6tFjp3ELx1Vwbj88mtR8IKWjb6D3kkK0MDqZu9rxwDfAhrA4eTfUv10Z9txG6Btd0uN8BVFCqhzqLBRO0BJkzjb.x37KCxJeS.4ZBjYa_ZrY3WmMAFTeTYw7Yx3oPd8AI.K6m5ov.sEVAHGoNgEmf9CHWcrL2CwElP.k7wMPFMQR4PYbA01frDoB14DxwB8MIYhNu4XSPr6e.CW4BUIiIzq5LYvppviUk.6X98KXclWjirpVkscd7q5WMT.4.B9ib4.zaoxmVV91Pjluo8_qGrS3.u.DOxcSQq17NDuoop00pus6mRdZ7JIOxZ_Sa69ZShIcQjhbZ3Ko1c0u3i9FF6w.sjs9ugXnnXGXFoFbfVI9XJNu3I.06LT.6fzSjEZz3Fg8JVzEmXx5Ej_xf_1dvP4bPEQdMbIJe_WKuca7cXEG1AHpmqusQjfkUZDpPuTnwGTdejYKX9peU6gVSsfKUaPi5aBH1YcSNyeUWoXnTljvZjDwvoIfHZ.v7nXDZz4QtXxgVjJxcxhtAowrzXfxdsnaXwjZ6NJNpPqOud.nrzt_z.YrxQYu8U0vPS.s.5Hx0xye8n09L8R6T56pPo06ArmGSBESz3AlKs3FmKeWCREjrZxxDz0MPFnttAlCyGV0uQBF2NBJct_nwiqiWx3RyUK_xOpiVXpXvXp5Mq1Lxm7ME6q7OMu39_IfhlwmTa4bhxkIsRamDJjdkmUmEub6py63CzRXKLqltI2qZvsWjgVscUSRcWCXR5duV4XcHj6axzfR3agC3qlqagq_Myp96d2_3dGCTZFyFfPkXWEqOsEGBJXZ6JozTux8gd6Kce9eP2TAI792ciOQY7P.6tEbXp0kSRwirOVSpyt.fAcnpWjwp28mvHNnMVafa134yOVLvoa58_8c8O7uO1NgQiMLeVIv0r9dL.uAMVIgGP_M_d0PTZUBRo25jdm1.rBEczT2dVjaB7PGOKhfbS1Y.Sb.xCh3kHBMjNGas0CdSiqkAePdj_VsSQRlt35KovUqh3PdYYGWGH571KprlU4EOqypB3jfNumleqqDhEYyZjZvSEpWCkLVKvkHPpY6WZ8ge.B1rHkOiuLMm23sZNNv1KWz_uy0j50Chj4nwE1qNet18LniV.aRCyUvXUxlTnfWkVDV.a6tDxtLejlQiwOAuwfm2w8G5Eo51IzVDMy1A7.mFfqvSrMpcJ3BQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f366a49a0c2412';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\/7196538420?__cf_chl_rt_tk=idiAV4jUqYRpZI4ORt0UMidd51XDOraEklLBHwCB__8-1739099300-1.0.1.1-sqsfW_Ia0uSD2vpAE3rzjfgaPtdG9tK.oZE9mnSXv3M" + 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