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-849644518757.mit-edu.top",cType: 'managed',cRay: '910fed061cac59c7',cH: 'WVwgGCJB_r2bpOPrxc1RaqltBbjfXF5mnwsXOTKc60g-1739398406-1.2.1.1-8sQYyxCqtar1Etjg_EJDFKP52Qe3gIB1_.9b5vYUeb3njf6NSS7IcLTFOyNS_Aem',cUPMDTk: "\/post\/3802496751?__cf_chl_tk=A_dgk6AUjlzaOXOsOMq9KRQvurLkw.xZOQLjNvpIN.U-1739398406-1.0.1.1-aDZKW5_Fvbpajw7_bHna4RU4c5C01OJ6514VrCVmQjs",cFPWv: 'b',cITimeS: '1739398406',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3802496751?__cf_chl_f_tk=A_dgk6AUjlzaOXOsOMq9KRQvurLkw.xZOQLjNvpIN.U-1739398406-1.0.1.1-aDZKW5_Fvbpajw7_bHna4RU4c5C01OJ6514VrCVmQjs",md: "p8rMGu6W1QAC9j3ZFsLjHLOdN2sGntKri1qjn71uevY-1739398406-1.2.1.1-_QG5VIXXP.u2WtYdzmKeK8LTJK9Ccg2owE5qxsHkXxfNf1cAHnyulCxdqSMrg73jm.P.ny4SP.A3x7HcaxHXKMp1ZvcCe56cwXvyxtsz.cjoO_6ht0wUoA02YaCzSZylFm.raTyLHKn8En0pQlw4bmCGhk3CQ.5nPmJ3cvvCVJFbdR1af5BGOeaxwu2AXhOuzU.aapsoq.Uum9uV7uy6FOfzzCXF.7RN_j6.wazxaFcnkCJ_VG0qLKt4jA8bU.br8CSqkGFezOc6jwRP6g2LVbV9JOTICRpKYc5SeLTDDzi939eKy3M1eArtruAgZtLSziRENkFzowHBvFOZkpSiFtUq.GkeUBNTU6E2LBeaCwbwL9.cutou.1_gAZ6iVkmsffE0TM0VSQYt2f.b0IyDKPZ_DmRrDbzLYZDNgSarq40trU4EarEvHnzXYiigcOyXsawwbQzxgbFm.ZVU3fLxSB.dhGIZay_b.qhBUt6PQn_qj5ESqudWJUXt9YWlj6WzFl6MKmLvvVRUBzEritfjJ8BHRAEbjXJcXiYxc6wrcOUhEWXQ.7vEsIKQ8AmeB7EsmnQ3LWhKNESP7P5HTDqj1Yp8yz3vCrGQ3F_fGe03hViy.37_6OwMM67GQiyQqnZsLcoCMUPujF4.dVbuscQ_2yUQ0Yyl_Nclro_fPxsh6EQ_gGEQqnYHOfsjaVJYoADSXT.FYpTgsrDVxwxQypgBkeSCT3o7Wx3VckpYJrnQ8HEslgXz4XeQAiqQKw5KA2Hi.vlmu5J5T1jAaEinipQcorzOKPpsxRxkhMrQgIg5s66rIEA.y.Qsa4VOtmVu1vq2lYwoYmaZcqNA.fJu_ZVsgq1xIz675ANLKpDpUE8PYVT25Y9QAw45ku8MEDYQ93maNPzqMKLEzFZ6DRDpzH7loE3JjMsiTbbPE.ou8HFY7bQQBU6vya8GcM29jyaXjLxqb.F6MKojmt3ABrJE0NP6SSmrhfNX4ocEQAUyzr5SM06ljOJ3cdE8ufF9fSojvWzBfgSsancuHMKn73J9WgiC9zrdXT8U2mIjKcroAQYNV9pKTCaM6pgmM7aZZ45WrGXdhwxDaguOKC0ZL_BQfMPkCkRwJWEiKq6uosZJWipptwnTRHFF9kluSb3SBqpdAD1Gk4ebJX71N0qdlq_nhPBP0vio5tpaAR4DtX96CS8j_aspSECwxbizg9MifWqRUxbc6QXSxDIIKj1e95QoAJCz.3Sa0Fo8a89DXtJrt97yV_HVFpGmsaw5qOXyeZXzRqCmc5WEDgrrvnxRIroXElpor.Fcz3S6ig4zDp8jOypcb7fclMZyWNoM6AxKUguLJY69anPdWUpv_CsGizmFNpQi0.ZAq42jjU9pNlsa5d88HRQnlkOWAKmZOZTtILIIgYVPr1yymYiUA_haqpZUVfv24jhqifWKu5xKB5abd1d7rtB2p7GSavavNTd2FxbSza3nZHkgqkS40m6TWogq9RZcuQX1ox7m0Ym8fQvHns52yycCD_Z9KE1PjMDi0ohNGe2fUhHeg0yU8C6rC2EmpIj7kQ08FEz555PH.gSrGGNENrx_1l20eaCoew3_IcUA0F._nnyf1iIMAWsYaHOHdxzXHS.TTa75TADUUiIzoPiGaZtNRkck17HTRyyciKfZ8Xtg2P8lLNh.0XBUH1T6hcv..Ti4vXilOHrQVW1xHjKLqcV5bpg7vre0EMbFrPWr9i4Ohn6bdpg1TQsa3.89QE8FkbWK8p3jaLdcepXDC_bsyNf1czNFWvS9EkApYTFyBlifbVW8dGCDXbjl2Yfvx0NR4fhDSRygzvpStWGecI1JxkSHWOlRK97bVyJNTyXFMLEB.E.4GmmlvUpNN6wdt_WGgXaJhbGTJSpy6Nvrej99lBf.bfvzq_mej9YHkdgGv7N40OFbNxCvBqgc47d6Ed8XBydJbk_J9xROcKwzqS.B0BnQDpcr9fZRM3hVfqo9uTmMWwpPVuX495SvOjXxZP.83RhSc8W9UQS59EQ_qlqhekVhSHjkWC6c318StbpTqCfqODO0z92ilx0NvqruEgvjhUgBCpvqQFLA0M9dsnaR0_bsEyeK.fPBZFq7NHHEmClIP.c7j_.ok2B6n.Ql3ONLr3wV4JHJQOdjPDcF56OkSSTlWHqxOvWuOgyyHk3fMZLZN6YkPKtwcJ..3fniAYyxwj3Yl.FH7Gf85zaVfqSmCk3aW6cgZ2s3D02mPKhav8mB",mdrd: "EIZ_dEVXKJdy7gAeSe30onfT2EcxIw42cOLubSOu0X4-1739398406-1.2.1.1-4UXdHZJGXqZrDTcoHhxAssecM5fZ_t6WfcGEKtcut1h0q6zFZI4Vg9TXKNDp3eJHbLq5_f6YA7I2BcxWfGiYY1.1Lfhjf8xdYY3d0t406XeztSpoQ6bvyQJJ6PgGjNwde1O597cBFzdstBObsLR23kD26igNia4WCGE5dYlIfRbplS.hD0aL38rvNVQRTukSsXrclorUt.08jLxKzmQY5u0ygmWskffY1H_Q4IyZ8XKQyz9RDa7CjRWAC0R4GLovryLCLuyhB5C1uNNke94IbOH4s_9LP7zLRKi3fgX36BacRoSoMuIK0XntMXSqSDLfK5ZTsAZa3x89tcYHU2bFS56HQRwQnuqTbljHy0Lwgu6RXE0Qi9CAfn6HRWfmlwIB5ox.cXo2nFbjXmsPv7l32eiGVa8GL9ITtf_s8eCAiZZrj_ya5i.UTIP_vgALW3xfD.R3Y9rEUFYXQs41CDsDTBnuEhozfoHty.RfPEd78BPOV.jd9mpy94QhPEog7A7FAfJcWcc3D.kazRCZaoPqMXAvtPS4rEt33IMb92aAcpBBDJiPesfu78ympEnESvQt4oaECKTNB53AAV8XXADqeN6fOHpOeP76Eb15GANHi4rc5Av7iLsIxIIxN6sHYYLaBBZICrSZLiB5njU_byU_PjrETZbrpQzO9ukETVoSR1c3RGmUn6cTyL6fUDJiNFxZtWgkFykWaADlVh4xc5bDQpSMP5Sy.rqFa7s3nxpWS.MHtD_rq9ZhZZNwnOktmEFO_2QAn1hofSo7v.ubFlDbODO2Gpp__ooT1warlLo663PGvB2Zi1jnMHBhWMyuixrw_BCNdNc52c9FAo6xsIk0Lxtb9CKAsiU3ima0m3CINbk5IsJkB3CMHlXicy0MF.KREfyExFI0SICha7UhN_QkRo8V_BbE.R_58sPUZFKsKCkObhQuTCtmktgfaNcpjriGIvVCgOA.sk3z25fNKUAoAiugd4s76egtXC4302h1u7i2VSGEnoOo8nQ..y2ZUrNhpk7oa9MCCXMoHj71aotdQjdxdhul0arZMdF3iaMylVU6JTv7xridEKIO5ZT7smvPvPq15SkQR.Sf7tqUSfjNvoby29dOyWa614HQ2lPNxOXnRtQj8TwfYqYFt9K.0pPmMgmNj2htswfQ3uQaEGPziF9QRLYrk8KXIJXICpoNNgTdDgN3X.1k0vSacZJJvtj_TKb18EN0sokGo9NAZt08zSUMBkbxtybdqxQjSgIWTgZjUTonCeuo1m1vlV50xw35R1DYbYbCLd.N1gYL5CogAPPxrgH405gfV1dMgJPD840Nudilei4VWiV05Hft0cLtjHYQrsKK699thYqDnpo4uR9g8NVPbZVDmCM0VLZOff7ZbqJKqwDkCNOW6xdAMKgdFNo1AUh5C93UoYBr3lHC3NWNvrghJrjYjG__yzTEJsolQS.eK0j9xfKb_8Bpetqn_9vtp.Qfy0_FwlbiKdf_baqWwy6L2utI5EXQyu7qaJtXqDRNf1fVlx0EvfueB1SqjbAMnUHRJOyJNdUT66FztFHmB_v2N4YFoI2DBR8LMZjlIyThvBl8fbMzTGorprFwkOKyOUS.B.xTr5gIRQwNsdGgW3pfEhZDRjn3xgRkiB5sDA66oK4JBNMyswp3gUdBqO4eyzYsttsDKX3UCOJA1dXisBkMOQmhjKQP59Bx0sWHIwpk6WF2YxJnmiC1FY3jIhYXuakwyBIEL1xDsfaS0hCAb0TvFHSCfXROeMivL21hnxgdq14NVQAxhhG1q_MLZqOkHT_5zBP.L1nKQFn5GbyFAcEWFLXAh9PENEKm4cS6yHfQCAulELtPPCgqRu6R"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fed061cac59c7';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\/3802496751?__cf_chl_rt_tk=A_dgk6AUjlzaOXOsOMq9KRQvurLkw.xZOQLjNvpIN.U-1739398406-1.0.1.1-aDZKW5_Fvbpajw7_bHna4RU4c5C01OJ6514VrCVmQjs" + 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