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-941707933329.mit-edu.top",cType: 'managed',cRay: '90f7ba2e08f43988',cH: '8O91Sa6B3spTiZ_72jtVCyAlsbEarRmxG976HO5zcM4-1739144665-1.2.1.1-7RuQovnGxsC4dG0IREshnOZGOfjJ0AQKMEcRW66hCYdK6yibm8sh7IFGFJRLhHRu',cUPMDTk: "\/post\/7053491268?__cf_chl_tk=niYqQwzBIXj_foSRT7t2qtB9DyDq8PS_A7dpVSuilnw-1739144665-1.0.1.1-AldpwxKDPuRY1nIawfPxY1dOprzoAGyWVbE6ceP3rOY",cFPWv: 'g',cITimeS: '1739144665',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7053491268?__cf_chl_f_tk=niYqQwzBIXj_foSRT7t2qtB9DyDq8PS_A7dpVSuilnw-1739144665-1.0.1.1-AldpwxKDPuRY1nIawfPxY1dOprzoAGyWVbE6ceP3rOY",md: "8L3xTe1DEL2AruziNcMal9v0pWTiOxvkxp_7rl0CrLI-1739144665-1.2.1.1-1d7qX.Ejk30FI0ryZr6a92nfPgMgKIj7f0UOksIdWNNK2y7rJvvDjg_MXtOaLT2BvnAjBpMTcmkowPFWHlDH2y.nYWUM7Ygc6ovZxyaL9q..EHvnjUbYI8J2Ls_6voGIAjlud1z_rRmMNM.JEtzYS5wXNRKm_xzcuS9r3F3GujLU4s.2x1UNRBdEhfT7UZtoEVx1r6YkmEXyZmNCIa5qkUMnarxzVhFcO_e41ZzJCzx.H1Y3HHgfF6BqOCTsVwdTwMrTMFaIQEXVVCITL7mkL7YBt_a4nu9_NeMYr6d2m8iXvkz86664okFv7iWvfRy74Yj8A8cKKSfI0ssBtCkL9qrWuDyU7oX9flW5Apj_e2JNk2CY.htg.x.FAnqhDUR7EC7787fmh8UMpwk5vpJADGlZKGBtUJ04fbO8woM_ZJ7PA9RRle7HR.kLrOyrjPoT6QI79qUZzp3Q9FE5d_eQOIWduvDiMAiY1xGUD1XSHUSXFuuQTd9XUgSzp91CjyYY.Jm2JwCo7KEblytgvCWlBXFvSC3Sz1YmXzVIeqV5zPuDvv0PF2ybni_hJbtdyzoyAkRMyQRefyTOX._vhAqQTY4.9Ayetf2lv79f.3XlahnUkhvHCGR61V2lRYWdOCdCn2511rq9dhm9iWluejXnKX4FE2PLYh5DP0v1Fha1O6mmqJ.BXm.0O5I6fVFIiRuZQUlq.pa1UkPBaV0NxBebaYl_yzD0.6eZBhX5NSAaYPnOVRLSXAy8KS23hKktoVtmzm.bdVObZI18qlFkL1ZPAPC6ajj4aXnGxtPiR7rtkwKyIGhI8U6IPzy9L.NJB9w7Xe5MoUEszf_2067KUHuHjPweChPX7dcIupCSKWi3ETU36CFzb7z78fkoPfHkO8uxWG_XwE1QywsLfkBP3o1Y1oXSAuyD4X3K84gPOVyOOd6IRf66CQbgzMmy0p4PvnnpnUU9fTuYTM8mVJMpU.eLMQNgEZXV_W2eDlzHram97OAVRCieWFVlYsXN0no.zlmcgsjG17VeIzXi8MsPcqgH4g5Gu8yRiQKES6ZSSOmr3F_Axz2XNp1R1Ncdl5P3dSo15ml0ypfYE9pj5cXdpeR7PITwUvEcQdbYASGwtr5a3J5B7FEAyr7EX7Ts59lsqiBrJf97PM1QGU8P02JIPBTHqCrIOYFnxzgRqEgreVuN4LicVrUH1ixDewsIxtKIKzYRSrpIQfeeEkES.eM8kLY6mlaLY5SunReNi2opg5aLxLENQGuXSY4h3YoeyLXXJ8ywlxA.65P4PyL2JAwa7Y_z3RVgdpJz8OIL.uMZ4vbVFKtSFvHa4yEwN7q3AxNRFVapUGjWFVmvNKg4S4PwbvLVGDUSqezQOm9rfC1bzf7kefgxc.Kv9ws6v_FnB8PrN7lLh6.GNQjjzdKIRYBwgRJugrReBQJk6VVb.d2Ba9i.HwpPQAtyKlhqD4xdf8O6tAz2sB1ji9i8INKl4DWujD1mc_Y.g7wwM6IqVDNtnWyEcmbfp1ZXLUKMII3t6F2qfWlYtsq.c8Lf3rB7OjdWJsEwvo2aRQeKf78IZ38iVVKxL3Bi..cdHjTeILcDgcLCMDYFtYZGmzPw_qKbe7nMDbv3ixa4gZB5na6jPpzsc8OmZ_uYgwfgqi8t5umC5JSQdpQUlGWYiNk3MEp4hDcN321d6t5KtqHBNVygzxNwEijfrb8mmpQOUG70jEV0uXkeolWPigfl.7Cu3VYUBjwds_P2az9WiHmf2mIdmbPFDw0hYbDQRuKSw2Zcu9bocmNFxgIMfnv_0bfvJqIb8v9BjBjoX4Njb027eA5JjQvaORaESMsykOKvQOW7YIrXlFcm9PtveXacyrXLWd091K286hcStVwhpPRRwkUITgG74lmvCiModmtiqMo6gSuAU0bZ9anvOYLOkCfUoht_NMJ23dNq_3OX4NJhBsX6HFMP0F1BRb8tCyg7pzwOcm83hXbi6PySFQw1Z5H8.zMjncYlqksostxcbi.c7jMF9W.9hw7fLnhVD.gXgOFkTSE7O_zbCmNcsgVR3nxhb1DPty9HhWjpQ5STpPcpq21eCNuePSobEa6kF69R37oalqvvdq.8BngUAy1Ah.QCXB1iflNDHWhunyPhNxpw4XUV7cizk.9hG8O0CgjurGJCXSM9Lyuazv9JcFa_kxlmfhWRtFfvJtxCVQS2lG2zHJ2nQtmpR2aygtKRpPBkmXFfQTHuMwFSgkPE",mdrd: "gxSKNg9tb61jWJTIAEDUAl2sur__RXTEIRFONfn3Lq8-1739144665-1.2.1.1-qOyyEG5uBBECRdRUgxEsn1ho8noKnwiMS35Xga4VcZKi9eaXp1E6zTY4RRQiZ4Y9SxjlJmEUBk9yoBCCghRh7EorpUqgIAsBlUKG8qy9ednl0ZvR4YF3L2yQ72DPoxkJKar3BwH9sohuO.RdqK1wFk2vSm4OkLVlgrIuJbt6Cvd7jH8TqweIQ3A5r7wo3lpPrBnUbW81eC0KxflEv1n9iKEkXtxQsB0DsbvZbb7X.Kb3IxEnGcakUH0pGRf8k25cvhFe83II_iIipoP38Nf_EOE3QPBW0wxj8QVa5y25N11Yjiurt1HRL1_.V6XAJGUbNyHOR6l9AglizOhQR44s3tXd4fvOP60_r18Ehi0oe2ZbtmlZ9jT5s_GO7eYJ6_7KjWd_gf4STxK_SiqxTUdVVZRHlUL.IgbuzYF4ddlA20ZNRpqVZ.A7QYW2TK.x6VbIctnSTUh3UC97VCmbbxaNN3KeA4EBrSIDXwGuVquZGlZIcAdHXMBX4zHhMUJg7CsY5Sy2aTE95QWr9QXrucyuWuqi_FMW3KNVicOpPA.pPtYCtt6ZHW.tu.JijVntL1AXk81ea4Ovqe56NNLbSkc5h6qDXDNac1sK_hevGtCWBbjFFg80vxt5_qmLaD_K0b4PZkIwPsaOrlJ6VKxYSDEt8f7cuGGWo.hiJ.A4C.wep2OvmLKDT6xQ93p6RzDHVqTIcMN2J0rJvswsGLGhE3OuwBObqG_HCE9RP4tRXHemnwL6Bq9oXfL1gNYitcitAgUtVTOVncYxZf_ep3Rmx5jbmPaBQEwPfueD4EwOcElkfpQDKyFogzkb0yqYdrGLuBE7zfgnj1RdaLXiEeyqf3_J9AdPQSwawyRu1NqRCnxYkRIa9n9bdSSDgGpRGVrskyXHLMdzJiJzLTwPtGTpovnIYnrnFCoNfmaorD5OIHfx50nCx3nu_kqYM5S5V.355v76CKObgxx9er3DTlv2stNWtck8.ZhEs0u8VGh7A.bWA8PQwdA1GE2O0sk_lwqqkGXInR6BoDWQwltvunDD4EQJ8U75yVxMoqQAh93o4nCoj6B.OGT5hVMJLW4w6AlxOCfzqSLacsQRokOE3VNz81C12CXljImSOYolJt7O5eVWExRYbx6I3XnWYXYq4VuAMl75cCVp8SsuVppFw0CDfibv1kqH2Tx3K9U4WH8MZu6VCjgbmIbGTHkp.Up34FZZBRxVixOZ2DZCAdYUWIJw6hvaUf43yFKkDRZH0sUbrV.uyZyZhPg5gqbpYH.kDOI1i6s0gKa1.xKqXZZoOw0Jqzjm_PBqv9zpfkuUuvWZ9MP99qofNtcPnrvZj_cyQbSvDjWqxBXLHA2juKIHKV4ZIrIrAatUfSRI1g0pRV78yBoZVkURfnsvNCsJ22WYDn9XIk1gzj0Jr7v.rEw1n0T1R_qC1LFV78sr4IbujMp39Un5cLVtZ73LqNAqZOCFdnrnh5nyHSCystCnTBv.QoboD4JLN81Ldh.BRkJHhyD_lrxAr33WQDGTzKQntEEmh3NCk2mftnNd8LvDDlgolOxHZ1h0SM_co5YHQhsK7j74qKDtHD67ctRapIe_eh6JHNPLmLxmlW9HqVTDnAwutiJ9nyntgi.v2NKtbbURxGqCbecOpWRh4doaRihkAGDidgZtrxuhsAZWB00IA.oXHa2xXFYcUtP.0gBBENgOkryDurEp.5Htz4qSeTcXdynVwGg47fu8xOlzMRssZI_nifhCRpNFeWovK95eGRDIn2a_nzB7CPZvzRhyDABtxFs3QNAcACZlNTmtyJpvK2SWMsCjfVRG1iM8KWqJJmrXsq_SecQU3TY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ba2e08f43988';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\/7053491268?__cf_chl_rt_tk=niYqQwzBIXj_foSRT7t2qtB9DyDq8PS_A7dpVSuilnw-1739144665-1.0.1.1-AldpwxKDPuRY1nIawfPxY1dOprzoAGyWVbE6ceP3rOY" + 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