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-658303457121.mit-edu.top",cType: 'managed',cRay: '90f833e7ef58c599',cH: 'I9.ULuR.03mNh3rsks.vfiem5BB7ykXWA_qWwPzpR_k-1739149651-1.2.1.1-GBCefs0xihrKMuDPNiARCgxPuD1LH7UgEY1JZ5wIPff_PzTynSnQkX_wzgDEyV5G',cUPMDTk: "\/post\/8457321690?__cf_chl_tk=5jlN0GheH1gFm6_kd9NzD4oRorWidviTaioNrSGvWrk-1739149651-1.0.1.1-zt4yYPidpPrVvUPS_ic_sH4X._nXiS03NRceKByHKKA",cFPWv: 'g',cITimeS: '1739149651',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8457321690?__cf_chl_f_tk=5jlN0GheH1gFm6_kd9NzD4oRorWidviTaioNrSGvWrk-1739149651-1.0.1.1-zt4yYPidpPrVvUPS_ic_sH4X._nXiS03NRceKByHKKA",md: "ZSjFHtT96XLcCaj8.R4Zt8MQ1cA7_iNU5WqUTGtczWw-1739149651-1.2.1.1-pV22u2ifYIJ_Gxu0wBnwxH3_dtC4NtwUd3ASTVMmM6Ah5YaX5hl1pbkqeTwyYCK9aefza91HiGxPJUU5JZFwL_zsdomEGZo04gA6E7cSa9rMX9NTsf0CseTpIFUW4gTOXEpwx08kDAL5PZbTGFiZ0uCKpqvAe3UOlNszgqzNpfQ3FcaDY9bSeVpi5UA_efqOxitkW.GVv0iGs46WGAvAELsfB6VCboAG0gyDNZqWIG1VgAmhpNLNNoW89d3E2PxFOCCPhTKVH5hVEQxww98zCMLwdVBrGHxYOwsHYQLDkUO.kV1wBH2PLp8nK43CVDdyK8mCcP_wIFGFbYMrgNDJP1lWtoxK2VWTKLZSROEkNdp1cwvCJYpyxWgjx.ubreMZnq1gC0S3LRMksAA3WiQk8DLq761_a_uDO71hrlpfJzguqSF7RPX_0jDmm.j_L8qLIf8U0b9e2hPi35jn8Pw_MHR4NXSPzG18zHooIQVjg0tOlmt1cXSs_FyIlK4kZmuFEgkc4j5YZj3F67v1X9l1mIDpj_wZ.aJIAwS.tDpVOr4LnRljxF59ufr1TTFj.kCMZxQezJWCKhDFajFi.tBRMiVnD_l7eupM10KbUeV3xnFIr0VR8SI30d4toQJSkYq5co6e3P5x3OeCNVsGfypfH6K7w8UG1f6goGX9BIbgSEwFyuJ_qPXQ0WFHCEIhZrUCrt.3GCqkCYUrShorGaP35n.JKMgIumcr4Z5u2HslFYmXVbv1SiSe8EDZp08eK3j36jFFkx_M83a4Z1yVoNuTWYDorINeQllG3eZ3UYFH.pqzaxean_Sszt6Lost1FLv3Vj85bCoa6uv.lY_FI70sI4gufuB1D_lYlsLdmigVKz5tgCRKA_8oGHywyOxMCpyplCBP5udOMzzl1IiS4yezZVzlSEPfFkZ2LOKn8sX4gcpyN5V5PDevSCE09FF7DicsVPGzJ7ZLWXza5c78lVKH9ISnG0UP0QBKO1.lXGHYqXqCw3cXzaM0QvBgmvgEG9xRTqHsb6ma1x.5Pe4KUU2UTyTE9S96Jx4ngygu.5JbkVk9S4xsmSTJADEeoCRXULIk8VUIazyMnHvxHzpxjEI9m3FdrVPxDLqalwDuXk4daJ_k8y0PVuivGhvvAAV2VMGiIf.GRBGXgzrbIEjDZhsPIzGEZ4EFwv_25pO.YXbQiqU3IuWEwk3UERvJ0StCLAFb_FLt0VIGVbRDBNa_xqtxSPgDH7XlRHBVZVKjsy68erhRCX393vBxvAbsvd3hNQsNGHF2Vz52jRbdnwwGu86KbxzMQqcbafar4no.qLxFxgNHA5XN4h1Vdx5J7p8r4T.pe4mAGjVBPU3QQ00Gczjd8Wp870sGFxb07awZKIUW8SEQcog_7ILJA3nAxB1Zakkni8QzOmI9U5r9QHynjZa.y_.C9mjYW7GxZ.4sDaZK9ulOvlCw3daxYp64xTTc1fxESWxMK160nX2cVnNnmZ6Esk01a4qQorqF6oP.ObKUwIjeclDqQs7ADvw2b0j.jvnUKU8aTWzajVAm.tx_ZSxMs2U0L1HmU0.2y.2fw.S4.ZpiHCS36jJl5QREQILqIXoZJp02ql0cCyuidj7DGkg.P457og5eL.58M6LTGIUoKiDrL7ffWaGPVuoagFAz2dh35W98Y1ZFOodRenpRM.brq7l304T9aUBuojEgAgM9YPUC.Pf5gWFxM.YWGvPWGVmHqEBPbuLhASNsz7mx5DXo.Rklus59h_7pK8vF6rx2NgkODIJmTqq4g3FFRitIkm6gDayWOHH28p1QF6H0uOL62nc2tO6tsZryojHZ6QK6VireXcgNoYwl1wOGmqLeSsz40we.tr8_BRerTOCw7XmOei178yobbCeIq_HzIh9WNzXfn2f7QlAILKp8kZlxOqrk2pIj7i.wExvbp4XBw5xtQIslGvU1AuYkuSarBB0ciAaunjCQF5rsAvnoj2wcXrOcRQzM8GizasmbYYnL485qGnyC_UmWmqZ0kfF3REilYN65lLxWtqNGSoWUXMHq6Q68PNnk1UBj8Zg1MuxMofSzi6l2BdI_660sv_py_02R7bPDK91bqIWDeo9Ee1qOWqLPrkMNi_EVE.cNAnL9tb4wOw1EdIUrNp_yMOLG71Xttf_0yiFO6ypi3uVNQk3lNldiMPyJD69XuLhHuGdoDe7uZhMUVnZLjyAf7hoUeVJCm.ZkxPAYJ4fq4xit6nWl6DNZ",mdrd: "jgSa70DRyQi9GYU_._a65dCwgaAUeCgsEujshSjrxsQ-1739149651-1.2.1.1-qKochYbOnmQJfEoN5NsLCMM1L0medFQcjRtxR2xA3xsg9UyagnwXMR_RafEQ6CamhTTBlBAJ3KS3HM5ksNJ_d8rfKTDXvY7zMiBFbnW2rKFM8SBnKjgoa_PRPF9yN0tJAugdbamayXI6J4id0fBpMJlzTbimjZQIztdIkcfKn.JPol4BdM6pn4o2Yr55gfk0Mpleb5Ue6ZzODhsrsI1sa0ANxjlK.FCr3kLEcjyEvqfaIeg5c6YUST8Fc78JgWvLRsYtwbSVGVVsYuC.SBX1bqefdV2vTDzMHE1UK7az0d52CEebbiMqB2TOuadIs6OkYaboI2LqlX3ETY59m96u.aqSQCUDzZHUo_lnLxoqa1BKQXASb8CQBxS1NwzelKvmq.7N7CcmxXjYjuRnowdvajnHBxZ9TKvu3h9tNIgmC2IRZJmnOmYylzhZZSTWO8uYlQ9yHRyLVyLlUbKu_XMFZKHtsk7_6ejfhGzuhTOSMV1oRs.IJE_nXOCicR8TXztdWkKeLIRG.XMNLjAoJlYtu0o7bjVmu1Zgdougo3FHHwDgoI4YlWqxItf5wcogDcwmKgW3qR4JOuWPBvMh_3XihIC7U1gFD0lpv.GDctO0KVUGvEpk_iPHHA36vJThC7D2_LSoEqBGz01M9KX0sEGD4Yxpfwk6xQTPSYkqyfv1UNJumImogabQvg4a5_X4b7nBh5G0eyH9E.Quf9WrLxb90pxKmfA3FjmPAW5XEixXqUyD2vnByvOIyudoJfRmk5miVMi.Nv3g8mvuE1BA3MpKAcNW_OTJjgt17rCizOtmpoQ62ebTFcRlaNY4wF0R4pN2qIp5wUx9nYqcrSLLJjvctpJsJ2ZxXsQCwdd7..93Y.9yP8yY_nydN8xSMi91eTDOgA.LPx8CzwLx8HOtnsB5Ca7IaTpN27B89TYGp2oyurZggiwVDfcxogWhP1h4M3H9vCBb_K4V1.9i1iRGY7RA66A.8k7XNHxVvrntficmLfyELe7RMTqOCLjy_TskXf5ryfFhT93P6a6qMu7F4c0dF7bB54NXMcRRa09TzOcRqJoeFIMkxoSa0Wt1d69FRb5bmhcEzslJALLRp3TwJZvRW1aw.CLzNuUfJ76wIqRqXLZJhJ8Aqm_Ksdn769xBNSszdHePkqMr3TSsYMyMoyi3dfaUh7yPIBIWyv7JLxXHSFgLWOlBLh8wE9Rk4IwgRcWFJX49h_C1mS61MMKBdaIESNZbl8G08.nsq_GNb_btO653jkppSSHNPAzGeob_c2T_Qe24FuLCQ68i1cIfO6kV5m7pagO1AHbyo2vXAju6ft6wYe8Y.0di85J5baLHsPsEJIR78Gw8ou.BVm3P9nMmeRyD4.7FZc9RW29ukGbhlzgRPeYHD3cbvDCQY97pb_pVCvvf4tqSJmc84ZTUuA.8TQocGar2Fe4WyAN7l8eKS1v73XtgyTJMzNqFFe9AejmVY3zlF21zODbzDaOTGoTLx2HoNcVjpdNzpK0D94nvgfA4ejaC6NQJ7MK991FRpKinSs1B8FMC37BLiZOffnUeLSoBUq0I_ULmJpDeXZYOrL3u8OUCxE1mHtS1EwTaSRBvizK2EDgVEvenq.DD_qToQIdR0_m95kQBtNfM9e4DNZNzphylnpy0x4tA1RB5d5OowvI.15vh5eTIgn3JSN3Da1A0cBasEr5rtmFlcvV.h8oLcYXkHv9ZT4ZFoU8wk4uGkBaR2QWB5z1v75w9ALESl1OaXc5EnTlKkHJeO39iH8IekC5ulAvhWfftMp_6UFc.FvxtPltNBZPSQYA7BfmYwro0sXark4zq1jz0clili1Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f833e7ef58c599';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\/8457321690?__cf_chl_rt_tk=5jlN0GheH1gFm6_kd9NzD4oRorWidviTaioNrSGvWrk-1739149651-1.0.1.1-zt4yYPidpPrVvUPS_ic_sH4X._nXiS03NRceKByHKKA" + 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