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-759805723718.mit-edu.top",cType: 'managed',cRay: '9110cbea9ae407f1',cH: 'Li3QaczR5mgakRrCDIACLHM5LjrlX.bnDPwtDVkNQpo-1739407535-1.2.1.1-029HQADAJeFKnyDGqC_ev71fnb1R_B008SFxwPGpY.ErFgUoPJ6BRFjt6xv1sO9j',cUPMDTk: "\/post\/9175038426?__cf_chl_tk=iSUeMK1c6xAcFcwkvZTga6ds2sTHUlch40LFfILipb8-1739407535-1.0.1.1-9X5pcXLeiGHcuWt9EKfAvs0NZTQvPZQRY_OxZZKRr3o",cFPWv: 'b',cITimeS: '1739407535',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9175038426?__cf_chl_f_tk=iSUeMK1c6xAcFcwkvZTga6ds2sTHUlch40LFfILipb8-1739407535-1.0.1.1-9X5pcXLeiGHcuWt9EKfAvs0NZTQvPZQRY_OxZZKRr3o",md: "kpMkDIffjlCahV3ebbFO697joa5cBxSdHjNhiSck6D8-1739407535-1.2.1.1-.ggiKV9kd_vce9XiHDnUsHoR4Zm04xe.IfCJlcQihYO8FFpvnAGEtJzcZw9TtBwRMc7qBhClTVTQxv4e_5ydlShrJZkKHqfSOLq7f.R6nlfmecu0GsWlknyKrqVrWBDwC2JEx8Tqejj3IfPc3ju80P6sAyci7xchEXGus6jDggC56sCjZQ1HumIkyj5gjL86AxJ6DVF1qEN3Jio68IIQq6723U0eI41DSGOueXrwiFlOabScqn5PySzpyHQX6CW4SHlmgA2cZ7g4acHPCixlMaRl0kx6FTObYN.F6dftnEwAKzJYdkhPWXOU7ZLMMVf.HkmixWZPmUK2jZEdQpCuqvXrOl5RjHQOIz8MiZdwdQzPB1ml8753Rng9wHZ8eRfbPHl4dosh5ZqwwCa5QYjornMdaoNyMAVQmqU.U08Iba7Hgjhlaq.btnmwUdQI8BBOadRNdu0fj7.MsS6TM19mrlWzKGQeDgmUjEV2g_itcNwxeKutC4HbMKfghOSw6J2YhlyP588MANDArHt6LhpRlk3vQSSC5YfhajeWhNXY4UJ26UUL6QOzy2vy0881e.lRK.0LgfBBbcLJuaeBJDeKI.Gf4fg.PrpTJHVPEHTFV_0w2q_bvtzObAqjte7VjJuZDtbDq4mFfdKk7GTYj2N.GpL8MU4XdWRqtZvL0mSDgnzJ.16rdTRmTFZ6m6JmpOwazFC0GAzZNt867dy5_cwmAsNo572CmD8TK0i_9i5dwzTukxiNXWr9uEthw1rdO_EjaHzNCJWmw7xKfU_zOQRzux76vlnqOJy6YcFeA3GFWbNHKUdh7CFJ844k5XvEiJzqbt3s1nFQCgBeyCSimWX.pI1Tg_FOKf9yd8PFTFwWP6M4owoysgw1rLDdx89ftQFbFOf6Cl5qpEwM9k1NJQKU04bJ8gUUNNALp7KIEf6Dlk4URZFuQR4OnMD5cdnQzEn0w_NUMxpp.407VHOM7gn3iWXNDJfWKAogPg6.bw.h4fQcpdXTtHsTyVZIQ9ycRaZZxpjlwq3Thy702udzD9eOLBvhwanOoYmRlNm2_TC5YCR99g06A4vBVNcZcXzq26EowEMFpq22Vd.6KAiwE4.p0j7Cput8sNm9VofX5dusnJWaP7hEqAJCb1Fx8JVpv6HJ6fZF1v7oHGonaHaxNUHcc9NR0x6kAUcaBsu4kmYPb4wO9gYgyDWHrRwfgWNyoeNW.UsoqpKo2D7P.nsDUX1E77ZK8FZrCEwsZ7NUBtorHPv_sFcaUwNacYJCtLRivu_qB5Xo5o7tUUab60NMT9IR2GQvuqMDPB2HchSR7iPqq2IxkuO6_fcBNqxkGx.nxUHZETAoq9bJlUiAPyVFRTQShv0cagY4WlwDXzgBlXLRCsCVbKTcRVxRmqq_NdqPhm0zw9k4bVAIrkeo_QF0SU2eY_etamluTO5bcGWnliKoX1MOTrr5En.wTrq49jnR_w2XzVU.uBvA3N8TsfCYrAqaEpX8UDvJbytnQoa_z91QlWj0kLqTAiHk8UM.5fd_y4x08vEaQbu63Nvi0hOcP4dYamE2mhp5kTF2uEzqQI7rybj.Ij4WcZf8nMIQ4QkgrgTDTAcJtKzgt3Ta3XRPwAeav9o9AGz3HbYR0.54yyeHYjWFIRc3JQ4b8V9NFgTiZ.TcT3zqBgNM_U9nLSKXYBySQmjaUsg_GGXYmGzM7qvvoBxMvge1JBSty_w9K8PZNB.MPjDg2o8SOUX9SWyhY.HuthkkoePhohgMYGEAJr6pBwBAsrO1CjrH6Sr._qfpasZIDefmJ0zle5BYc0NDpHy4LRkWiUF9zh9rTaQtwmhT90xJNx.nAzWeeZkH7rPP25Q_oishqgXAFXJYY.r612eBL1Agso32hw9Q2kuzE492rx98U92OnRQ3gJZP4alCd9OHvuVv.EqD.RWP.pTvul_ZbFBmmDkvtkiVrZc4UFHLk7pxWBI_jkRb75U9I5FNK846wifWlNLXyw2fNTYojhamm4xBs9NGvwr4022X8gCyaclz8Nb_Q3xaWbYnYFbe6N5I3DGM_2.Txh..tqKR9OyR3H4a.bYgzC9H8sSmVMJ4Nktu9fOTVlsTGdG87MR_BQa1jYLkY_4cRlQUImPlmk3t3Q.a8Xw0kCmOi.8Z4JqQVtWrxj4igz2hSCXUGS7Upd9Na.vTjQX_SqdPNLp1RpE35fBs_2ibinUJAL4BoAIQOJr6JVFl037FmDjxxAheekOO",mdrd: "0S6giPMrXKSLmSEVaQeC31yoJYKd1OQY1AF_0v7_XGQ-1739407535-1.2.1.1-3VTu9gKulvTVwtcj6ZZ_wi6LqoAIrdP8I0gIe9g4Jrga5Keo7exYEcZelxlUJdfI0SMXHq4H0rYhqm75XfPgW.4kvc6ucRcmEMwlJTjDEg64wKr_3.qaDGc_W8diZNC8j9xlcxhniTlZhToyDD3G7CO9KfW.RarrGcS6HV5enMVXNsdz0nPgOz6qjjwIjnYGkb6EWsM4gzOMjFIFWlpDH0BDUEu2k8NzFSRomwdaCgj0mvPIwE9Fv68en2clf6VNMHClKgb0yxzHMKcAIvAF9667zPxEzHOTjs7Nq4uqytmUUsHVz8u6cQmVsIfRfjhtE70ZhyS9tPrSil_rlgajP0U.zTDhBzabLTJ9TZkD254foiLdSfs4oWcC9D0krMXv3kxAZ6cRylh_A3ghs5DIlwMaLW48wmy9o_raTPRhKyLRIhdw3nLUwMqtgb863KBnVnB04F.okifdka9G.vHHMz89uXF9j1Jfi5U6tFJVGWPlKz3XaYmH2l7WSfsRk4RDZB0LZI3bs9Ugih.wwbh3Zf7RCEz_qV.Ip0Oiwxv0yrirYE6as6nLSQdz7IRgeEuW3251u0z2ZPA_c8FMtWUD3u7MxlBkFrZsUIxxJHpTienzsvWAAFKoTLqxlNox7XiKyhJSuM6RtqK4Itm3f0zGDWu8mMQsHj8cwEzfkTgHcpWOLM1mlA9g99ILn09Rj2iRG.a49kTfgI6no9ZQCGAZIQq6WW91vnRZfZ6O7LnDuvJtPH9jv0etekQ8v2MkCXdnZPa1Dj10uJ5BdstZ_TFf2OTofMlV.LaNyllMnyte_61rIF83Eurn.l4bEFQ4F9SPOaR1OrZXJu_QE.CXHX5TS4fRlpyOHaCnqGZC40T3hfus6bKO61rXzVAaKh5YwNRkLkz2qEjSdbFAcp04Xp5VY.F0Scyqk462_KbYZGCR3A.xQjQ0yDmjxTt4lkpZhoXWw4he9ImZcstGS2eeBEskx_AUut5eaGWKueGianVqf2_3c..LftQbrGq4l6TEq_0aKJwehEVClLI64DjnZgZ4WoZzzZxCCAjgy4Zw0PJIIU6HdXUZbMQxmbOZjbdwbG_yl23CwLjB5PB7Prc7dDe6za764OhJT1C9MRRhONl6MBsbWB92j3cQQ7M9BncJyh7RqfnE3.vnyoGE3GM.gu4w6f8r93xdR09p9soFDULZo5OpdBva6k9vfBMfo73OLRykLQ2TgchTVKKepiLYH4Hdw40tJDx_rer6boYdW2KtR_Tp3m6isHO4NWJ6EvQXkDhzTReHSW4XsNxlLsy0219RymBQ79OIhELw11I0KrJ3Xw6SsFtXPrU_KMI6dM_eNuNjHg_k1hXow4k8J.8ZO9cDaY7nzdIp8RqDuFjz0bVemNkDs09LrpKNPrlu7WGjtVvwibb5fXz2rV1Mdt.jGcsXjt_cpEHpN0aGeA6v07t1Rzjy3RcPmzpslBF501U4yUpAN1DYxnva1mrrHmRLcyF6aJurBpTWlnQGrMieLvpVh0D.KQwL5OfIvuoivbo_Ha._zOfrLZU0OUA1lw.lZmDtqQJbGusAQOXKlTFpQ9ttXrxzpvuKgsZi0vz1sdbLfxZ4HQF7ty.nFSP4Er5reig9w3LJ1RPl2kb8kxXBLBxseDN9StVbSN3GbgVQZ7rr01DKswzlbmoNEhHWDe8Fc5Px1R5kCbMn03TFyiMaXolYsy7VBaifEBfT82zIEDJTgsfy.E4kZQzViK.Rw8nLmxBe56GokMXXHVWFyQnQpvMtzCOII7vgD5Wplz7PNttlFvQvgAkt.0Uc.5oTJfK8FTh2F.QSbaXrFJnyIoP2aeFw2iU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110cbea9ae407f1';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\/9175038426?__cf_chl_rt_tk=iSUeMK1c6xAcFcwkvZTga6ds2sTHUlch40LFfILipb8-1739407535-1.0.1.1-9X5pcXLeiGHcuWt9EKfAvs0NZTQvPZQRY_OxZZKRr3o" + 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