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-158953955107.mit-edu.top",cType: 'managed',cRay: '910656bd8d8312c6',cH: 'VkY1SsuGmdUUFkRZRN56nGBXtpOqdDHFogiIBhVe7Fw-1739297878-1.2.1.1-s.XufsRCWCPNRfaeoKUbVcQ42EiTYoyIEcQpypDuYiK5yVF8OVy8zHYsM2CdU.ti',cUPMDTk: "\/post\/2719856340?__cf_chl_tk=hUWTq.CSIhyXpki4LYh6pFMpcrMPwDx99odNVX4msyE-1739297878-1.0.1.1-MjVD0nB4aRcl2eNW59F_wce3pv.M.4hJURKPobQDn5Y",cFPWv: 'g',cITimeS: '1739297878',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2719856340?__cf_chl_f_tk=hUWTq.CSIhyXpki4LYh6pFMpcrMPwDx99odNVX4msyE-1739297878-1.0.1.1-MjVD0nB4aRcl2eNW59F_wce3pv.M.4hJURKPobQDn5Y",md: "0hgRwSTJ.X.i4yRd2pyvKS5_83kegzyFu54pGSRfgmQ-1739297878-1.2.1.1-tG5mhVAcvog7Ad534cWUHdwZ49sU35tXwOLNVv4NSuWE_zK9MosTrwXTWepMkLfEAdBZwTr3u0LbPnykBYlj29vPiq37IFJ1egIlqI_NhrQW6JXxAoPPdkxjhYjOZJLSBddoY.Sk1kprCkwYid8lhtlcnr10ToSGDaSyZw.FtQ4Zhue7VnzlQrpWDBIubIvUP8vu2Eio3dx56s4.bNy16Spo8E1NPIyontc8J9E75EAg_0sq9lCdhf16gvSUnHFOqzm8Q4o8OY7QIjwJPFRH6HiigLiJIXC7S_VGO1HOyGfBewrN9cQGCK77M4ezxpRYB_49zWW.N7bDt7kb2xs3sum1bxmlia7T__D9NiOGITy58ET.7RX3MrCYsJf5qjhmIj6.fj38sBuFMReGX6hZNoR0ru4AZ2gwW0R0N9BzrDNORkizA1AGPkiBG7tcvlI3hs2bHYWpDd2mxniiYBYw9q7vegkFBGmRWHeXq_Zk1AyKNfW7AIVITByDE.9D3SeNKC2av8XbsP1kEW8SECmzcu2UoNuNWCj6qkl6_s9NFg1ZUz3A.VoDxhGjTFSLuezS9mhxXRQh_ZMJvY1Yubzgf8A0I71a81MFDkhA_kbAb37YKSmtHExlrgs77KRvEDLxr5sSEE6k4_wv7MDFBvYWRoETjT.20SS.JnO7qMhcY2e1hiIpu9hGenkBQ10.Y8cEB3U4rJq26kHtMKUIUkiRmNOw.4t_xnLIPEDxelYUeXcsUBBx0qqM8FTMO7P77I4l0oE7ggdhOg7NTVat_rd49m5I1dQTFLaw6Y.xbztvPyAPKArdUtP.XPzlDM3YbHSQ47rtdI3_I3ypKTlDzSiHP5u7EkuDAAwF3sOW.Um8LBRlZbp4e6oE2_p3rE_LgdGz5nYafjjTHe1zq9R2ajs8Y6EqJXEADk9z.ddX7d0_YYA5raf2P4ATEuKmceWu985eG0hYr9CX3wo3tDTbRE8NzqD6F7hbr_ouPjPjx3eLFmRD3l_yWD721wUQdZ6Gm.6XA.cXcVJtyWn8Za0CK.11yDFtpcNqfaUmrAHQ4ToDg5H_b2DyC_9us1o7awLfppWJe6tTXVbzjPBvwrVK6YL9wlP7wWQS4z3DKZ956WKZ_qwgtb1Fz2yorLLf9LgBO6LHKZ_0LW9OzIgtu1uLxg1gYuqHA4N5ykwZyjvDSwK8khYfr13VYLswoXUMkBppAzr7Rkk9jkOufbm4O3mtr3CZp30egkjxc2ksl06f27BFC.b_cSM3QCQttD1HjglS5qG2b6OyTbfVTFeq3LzTv5lkCn3J7Rn2YgQYY6nJ0W.EqRff78hdA4glpQykcaw5zdK74bvHq5Saf3rQVfiUAl0YUDrrHVfXeyh4eVEEdLDvFq2R.2pgkY7ZINR4pLk_z7t6Kdzm3t8kB2ETM4t5f6X.cyms5953R5Ht5fzoDIGrIOFDFd85P5VBAretBnJUw3RNZuLtgqnkypNGqp0dUQVvOO9N6C.3.vwIJlYQMqUxYAFelV.IpLXZYxJFPv0B5zG5m0rDvfM_lSh6wgz.A2P_KknEPAmH3ZC_2WgZ3tAYRl47QddDDyC3uMxzUCTIpdFYS9ziXb8wciLyMl75KRFwWvZP7VHNgVyke22yTWJBHVFtE_JfqryD8lKaj0faFpQGGFozJZ5JOfUC622UmVl0hjxNiB_uqLMlbJUIh33wY6mjY5dZg_lxQMx8KeOi7_89oS_KdVE6wZ9tG29svrApwXDnZwht0jFlq.XrxUwQjvIhcx9KWg4lmA47z8FLdMlE1v02wIHY4VfDm38cDZBB9CDAWRFrdNIreuQS41PfrUG8NZung8aS8c5yDfw4ucjIlU.iXpgzEcEVvXvdb3Mri9aUSvhCrChJJqZ2.UYmslezqh2_bEiNYPH5NK3MsIHTWSZ8bIGP8SbYx1M2ZYadaK3jvVtso16QaurEZ33Ae.61837bi9MOj3ZoSbsqGLtu8dfI2SBcVAqLwAMdMk4sOPQwwkqe2p5ftQ5LH7ufAdqwjwIzdxOnhueFuFKkQMgqtPn_nRObN6zFF_KOx36y1BFXaleyoun._GQBYDcCIrzFZFbpiESoheuDl_Lk06FV0Ill9Z7ZwUcrwramGSHqDPR1OJZo_Wx4DL.Q5JTBFql.amupAaN6u7KP7fbBnhJbRtxtz09aPxwhp4wxG7AUQ_m8jaFdXTocF0uc4WbW3kiry_7NOsxQjcorC9hMq3C1",mdrd: "_WJKGt5XVJ.6g84KRUCQjhWnTGnHhg6_6GzNTHNKuBA-1739297878-1.2.1.1-PLIcbwHZpNtDWB3uceh7R9F6jnlfZ9nEzRGjQuQhNS07m6pEQzMmGyaANirwlwMUPKsoAhvPY0lvh61ibA6hOVKOTI0CwL8VYYk7yOtOKNIGhY.4HgXadYogjvuWPKkVY1lrnM5Uv1kMJupVNEbBacXOGhKBkqe_w9UhYWgnbSnFeuOE09msM1OJgbSFkuyU8NtdfK4csz3sJjw1LT.k22bZXBVr20ewsfkWD904R__3cAKK6RNzxNVVNpy7DY.xctmDYbNk0h7nbAHxGgCEnfmcysqJnHNLtRBDJp3U8pQKt9KfkOFBBthHoHkWI73NYkjh.24MN7pntXXu6noEb3S.mFBc9p6.eLrOzOJgrlbjxhEC.j1HNI6Lm6dkNArrfgBC8ju0r_zYe4PkNPV6HQGVYD3FABaSx_Cjce8BY_TuIgSWbPMa5ifpPw9.BqqN8rHXR5gUM8I.jnW0ArjQ_5TgOSBuHXhMSBcUvkbgSNH2cXzKu4JH0Ol82VDnEyw1QqUFe0DLKAfQu_XFb8irIkRJd1_9OmigtJR.sDJvcyGtFhJV_OTF14O7JkmHO8jdaWyRs2pVhRhxG9dC5L7BsmJRyTo_BYftk64PnUkPVD9vWRYgIYBmAUBSfZerGcsakmUiyip2yHxg9YAeRZTpbOhOz6yNIYjwtaXeBckw5TbC6PLCWNMFDmQLINA9iZrvA1BtXDH0VzYhQqqb9S7_7VLtCelLoX0C40uxlvf07pppXLtMWrUqn5fGwf1sNo1WlsuQ15KD4XoEYrHnVKjy6d01ir5hXs9Q2fw0PNGMcL2r4CgZcbHTdd_fehHo3UeWKy3O039Dk4m6RsLLUx.VJlhlzGoY0j.FfiFBiRxzzXX54F._U1sEp7acF_3t3cIEOXbJAF6orcMgZfreB81.7acVOKwuyhJzJvXCGk5wSRBdhOX_fVZ.s6KJv2mfbNdRW4if6r01.YUxOpxw5hhYMjhyEXlxmrEN1vuIMd05drOMJb3DcuGvdPJsDjgtbbOp.CblchAuA9ieK7XdTiCnV.itQVRnms_c1g0Z.Yf0Awakw.bKVli0STcNkX4Y5kkhKUBKThyAO6PjcmGZXVnmWTPsVz4RCEbVa8TNfSStmdbnKbfFtB6e40fHXstvbx5PNBANupsM5CQBaNBhgetAhL.KjgK4VtOG5ugdGIs3bub4XcpioXdgxoXa6I1S.EsdBWXZO4Mnej0A5YpQe4BHnF4S69AFj4pK0WSnZkxWpU_ap8Ttk9wHTou.U9j2xw2E8zI04dqC.BSbUr_Db12mQrVqivQzSbzZAJB99zrJVtcBSrC7R_fgFbqxw2XBQQbfw3KlRbvlNEBoNyK_Tvrfmxl25VK7RghC5Kw7V.aJO.Y3i7NMFAaM4zEU6fElRnb18jB55UA_J60V0vAvMpEbPiI1qIVr_RWXm2LZ_.tkOjC7r2q9NbDAYUJgQC0tV_Zri0Uzs9pBmxCBpbyKYBgyU383zHX1cko_WF5ZIX0oOJcbbcpTubHs_StLXh1CsVKAFg5DL3jxzuT.16XwGP4o98P3m3E79BOUTBAF4RDINiowU1P2pWqjE8gFL6Q8V7SEpqGFEbPyGe31Ls89O7_KuFpptS1mlMXzECX_zNZ1bo8imGcIBWHR7IQe71uZSEaT9yNOnfZhDCoVVn3nD1CzlJRWc9zgD1yUSvGw1qiSh8u6IKGSZ3qeFQ37QRBkBH6sUpxVHhNRWEWv2szWs0KGWyI.Tp_56tft.dqitn9jPzd2gvsBodeuOcRYD0nrLMZKR1FWEXOcqIcKuxaS21YhTg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910656bd8d8312c6';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\/2719856340?__cf_chl_rt_tk=hUWTq.CSIhyXpki4LYh6pFMpcrMPwDx99odNVX4msyE-1739297878-1.0.1.1-MjVD0nB4aRcl2eNW59F_wce3pv.M.4hJURKPobQDn5Y" + 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