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-179952985814.mit-edu.top",cType: 'managed',cRay: '90f64d9bed09073e',cH: 'bMG9FAiVhsEdmZimhskOC.zRclN8PmyyCUsn4m6WAVk-1739129732-1.2.1.1-aE7asFrn_8C11YcA6GcNKsxNYeQHyDMBu_5Gy3qoyKTzrzrwuMyCYJ1D.S0R22SG',cUPMDTk: "\/post\/2105679834?__cf_chl_tk=BBxRwiHd9OwwntxQVNaFVrCCp0UQAC9MCRsLIkx7RHY-1739129732-1.0.1.1-OEnDEMKys3NUW7qgqDH5gWDJbzsqTEK4ocqbexqZBs0",cFPWv: 'g',cITimeS: '1739129732',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2105679834?__cf_chl_f_tk=BBxRwiHd9OwwntxQVNaFVrCCp0UQAC9MCRsLIkx7RHY-1739129732-1.0.1.1-OEnDEMKys3NUW7qgqDH5gWDJbzsqTEK4ocqbexqZBs0",md: "KVPxCIZIwfIrq_na4QM3wD0FdDbMawh85LcTtMOrfJg-1739129732-1.2.1.1-O9zNJkv1BRdefYUY9pDCX5dnP.daEWiVJ54IOuRsIVMWEo2GliH.RlgPTH9STohEjGcpDU_zmxtaH2LdNnxL8.Z5hGjIW52AiQr0ZCSqSkHNasO9PMcMCEnFoi8H0u2JX5mXpFwigWSCVkjSGsnLNp_h68BR82t8JxmXrpWkQyquL5u1H.dTqLrALQXCUhjoPqGlgAimxqREahI1Nc16ShW29Ej8ziofpqedjo1i_XneBw3QaAJahij5MRc6uUwmW3z0QbZMTMLOxQrjkFmnB8czbVPpLZgz1MO1HBWVixmYOG1PMGZ57.FWXu0dbw7pipMHh4wNA11jrX5EbkLcaEKF.rZxMhsU_eiJ.pDClNts2aE_K5RxUDVWuYZ3H1Vmc8r9wVjJSluXlcIuoqBWiWHWkourZes_nQ2.FZjwwGFLFmcYsbX3IwgjFl2nI9Ld13I0YQ.TbcZQI0zlcVT1DfeaZLW2sHsiohMfhYUA0g6KghNOdHhIGIbUlBEwTwO5v0guMwq5Zow9lnGUfIC.T37HcyPvI1Pe8WHUn7gjHSoqBc7ItMvRXdu_83D.6IuQMBRRrw4DzQq0wQozqhxGowhCzXVzwws00h3JFndVZ44k6LwseiMUnG6cLXAe8Uux0EHwlQolmaSeOB6qHSIAm9m1k53DAWzc5Xv9EODu5Z4z_m3oiqmCwTZ.LORceKRCHbJQ_aUZyakW2XIbeeEaR8g2xLteLFzwn9F3OPrxmg9Jh0ra31aAIPo5Nwd7S3.Xpy4c4gVZmg4H1fXdkBwL8DxOtLEXEuCuu1jRY00fSgKkjk.559UetB9g2NrIw7fXPshxJqQXS.8gOGaGsPWSdx6Xrofxqzk861Z0cJg7EYZCvxaGmbnTNOefKTEy3lBoCOQICiG2AScsxIgrwWzxICz0aSHcn0xjPSEXSBcu26Tk.2h5KXelr__VP3j8gDi3aMm70OoXKixTOFfTwXHX4W8QQEqNPYVLzorCbVtaDrjM_QiRRQb47dBN325e4lJA_l39xwlKdIKM7K6D6i90n.4f2bg1KT8fFnHCFPB8A_LKMAn36bhjdlOW1HLo3X0dU3RC839YwgwL2YAS.O5QdmTOW7rQmBD7qE629xUCMixHgv0Cz.msqODaH5KNTu5Y.3E5L.EMLC_F6bEtR0bJBQ5MZOsgpa0i2vbrbrvvW9_DJuoTNiYfpOZjs1kjYcjNi7JNJVkcMx57BsGs9b6Mc8vtfCa9YdjvDr9XzSP2WEukgZucMTiv1psv53t510KPyFOMreXuyGn43zFVhW3WtvoDi3NXRcKpyFCc8QnmZLltVj1IvZdsfSo7yd9DpkofeGvWRaINXVSiKp_D5dEotRxBukz4FomTyzp0lDaBbQ4KT5PpAli3TSt86_j1pxXSjdXVHB8AuO6bC1eGE1mR0Tp5lwQx.sXPqY_4YulPzViChkWRY_sTr72PGKxaTdd5bHm8e0hAHZZV5VzNEaOLdJ8DXKGmTr4PxdfVUqMrNvhoI1l8v2a6XkEehSAyR3LV4hFvfMbqplsFbenmDAGxfytNbVd7DcsLHSxxFgzNf1tBWy3zO.PX0fM7Ci6foAgFyeQw3P2u6C3JnbYChsJGcvt_FcLMFde5zqy7q.gh14C8MYzE6OSH376KaT6yS3f3_DnnCTCmUEQnQwlSUWdcHdduDg3qXFo8tifndwmjLiyAsSowxKs3i6YaeF3n0PjUgsJ1aPtfNO7w0DOoaRvOFt3dBWlbCl57.SNahCJ7JnJB5gg_ZGekU2B7TUm.Nb8mT2QxX_IOh8RKJNJbWAREUij.wqtoFK.c5_NB5B0K5BW7Phg9cpyuiEmDYIoSoJ1bCMGOhZ1t6YMzR9_EfDOjyrmzz_3elKEeL3sCCBwpKNatfss7mGVJt2WJl2aIEjTDIFxLWMRObpvrAcw0.qO3dPqm5K9O0d._kaD6IH7LuJqzLHx7iGYgB9WssaRpqJ11zO.79kmMpPxhRvMcTR0W._8keCbWcIvTcKf6tTlZSgCo6aSe0GAzBySjM935DK1ListyuzmjrJUwzyqP6sAvw0OwdiaNDh3qg_.fH5vJKjnTBsztiFlLZ2CakWHbP9_aLohaXB888dMPvNTc83IKWDqUdAby0lEJ0sJ.rZ0uWqBkFkkrdlSKR8BeLvUxnJKjzSz.8RNoo3mpu3w9zhx0wC0Uv7DamDKOv.o0CTbxxHmiFxD0NUB6Q3jUgf.PGATL",mdrd: "6db9CFrV294yigf0OHI2iLTeY8y.xNDkL9sR9RlHDCw-1739129732-1.2.1.1-pDgRkovBv9EIAQPxr2Yk6GAgHyG_Y_HKz6EV17Cu5DMc1LZEBgLpo8irnLlkaBZehm91GvKQ7ooeztUbPT9oJ3_I0_qcQKzickv7qmvJj3IYfl.4kbvQvLuhK5PilWh5VWkmy2tZzWhNR855pnGJmmn.5ySYyCHYxrp9BqlQimcaUaCVwndeIdvRp0letR0AxbdOpkiKe86AHqy3GkIzfXtlGdc39ujFkqcoYq940NbLcPR8ojwUfwklUjjtHhH3ZgtK6Q7G8Sk0FLb_IgoRPZn1d1YqzArSGU8XvgGeZHCS_dr7rZY5tJtyTKVao50bzzOHveqJdbnCs85SBQUYuDKMnsUI4Oy0UEgNyrHm6nw4T9PUyVQxglMPu7Qcd1G3PQ9I0yF_AJ1qwe_54S21m2y3idUumJmZE8YeHUIQwT_rAhLRJcwKZOmTMQk09nM2mwvjCagDGSrXi3WwW8h1ps.sGs5DHcRIxvoIbuBhiPPR_ut1JqKK8JX2FK6KcWYpl9m_jySm2Z5m39R00ivSGuVbO7QZm6qQ9Ze8Z2RzcPMjoZd9gM7m1R_GtBYdlb4vsHvTK1iTNcJK2TXZyOM.wj7AW1CLNEHXqUFg9V.X4q.T2epR80I4pSVtLcfdYHuQUwJxynkr40TcizXmtmH4akdP6SHxsTnAf2POrj5dkIgN0oy.9ZtADi4rIX5A.Wj.bYmO4ahDj8E8Gz.heW5jcvLQuoQyTjpJMUZic6.mFAC4xKUIKHcLqLc3wQjd4O_tx5GyqMamRjVJFJT05gzNHkizhpcDMszqoP_1PIjLC9ytDBgWAGTdEyaVAz8MEJhrg4jUw4ky3soHgkEuzlK0AAfp3NrF0RBm0vSZGh.sW4bgMNt5gD1Y7jHFLQ4Clzv12vsHE3H1DFCkmMyBJ1mDfpcTxwml.EOH965VztfhKUfCmHBJa7SCZVz4L8pgdbnX5ueJEa1pUFIFPHyBpaRauYSrp2HsE6b.KNDo7Yp6A775SurW2y1426dsJw8lwnJpnhcUn7JygA85cmyVNOz9sinUgix8rjxxm4Iwu3L8MukIB1jAyln60iJhkJSURqswnpi2Uyp8B8nNKjaqohNyHQwDNuM5Ec2Jp4fpCdLzb.OVu1U.jgG6pr0BQLGD4yk1lpuuIdchbfDvJPcc_.UZappkdlg8BVq4SzdobgfVatMtU_Eu6ZKB1Q74PnkfIz10ARLv9CBkj.DJ_hug56..FQXYnHiRXsUMJlvmFsHrTFYjdn9v4DJs3KpjSSpQe_UnhYzRUnmtvz8Dc6jmCCrlslk0Y7TQ1ub.QAhDznXOZZpQQntOgK19C_3rghvq8_QCfdAcbmuRsgw8QYZEyN.jzA4yEvekdISkDpUDDwD1yQQ8H5PfHIZTzLADmX05zJ96tTzo9.80OJjj1wyoAgkUI4_YKlbGI9HN1LabyZzdKp5dc7ggiHDe__iYZqjeknpYXT_J3Jlr2lCldb8cUDSD2Rv6zb1rQKDMDGPeY5Z6vSw.jup6aSa8XZacpFrdDBf0JLzQIwPaFELpIobiKrWlhh9ibit.COkuBeCA5jGAwdzO4kkG26ew53UxMz7VHkyzwnvH7iasP5ICDSaBesCgWWK7HRsFJjF0Mp9pW6sDu6vtLvlZTHUd4Q1YELbL5CLqNn2xKpsfFRntdiMO4WcPVvNjD.lS6mCqk9gvPUvA_.2ki3p1e5X89YPDF.fiSgca12wl0twDr3L6wtoblzXCHV3ZSc0YVFWeT3dcaAhvSzax8PtYZqpYHclirAteA3XvY7iP2cdH90O2nlmFkg7PIOI2NbL0AyIsGpzMkCguEm8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f64d9bed09073e';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\/2105679834?__cf_chl_rt_tk=BBxRwiHd9OwwntxQVNaFVrCCp0UQAC9MCRsLIkx7RHY-1739129732-1.0.1.1-OEnDEMKys3NUW7qgqDH5gWDJbzsqTEK4ocqbexqZBs0" + 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
