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="360"></head><body><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-488615450730.mit-edu.top",cType: 'managed',cRay: '94b9552a4be67fd5',cH: 'vbHXzoH95sctkZgPbfWvJXW6XSCBT25wqYDOLaHKUls-1749227828-1.2.1.1-6Q29sx48vUOtK.PFg55cHMEvFEB63QrtS0LSXLgdbvmm95Bgt6wsgqPbVw6qRdap',cUPMDTk: "\/post\/1053279846?__cf_chl_tk=GXpxz_mW6zOLI9E3B6AvM6SvyJ1KCE6n0XaHIXvHJhE-1749227828-1.0.1.1-P.0dns_snW.JXYN.JcYkNEiGIJtjKZRN9PcqHUu4aKM",cFPWv: 'g',cITimeS: '1749227828',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/1053279846?__cf_chl_f_tk=GXpxz_mW6zOLI9E3B6AvM6SvyJ1KCE6n0XaHIXvHJhE-1749227828-1.0.1.1-P.0dns_snW.JXYN.JcYkNEiGIJtjKZRN9PcqHUu4aKM",md: "CFcoNiWdNGKmA59ZllRWzf.tYfCsTJO3oWUv1KwUKxM-1749227828-1.2.1.1-jBAcExpo8JuMC5Ua5t.zTlPDkleGk0Z4cTMvCJRn7DVN37ywi4TNiD3FKh2UfaWptRMbBDQGi.BR3tOgG54HqsKFSr.DBPLRKFOaSz2dwYul_912MAxN_Qpd0OLZTd4vGOTLdW1VmvWJTkjfRMpcOjff88JjwVBBolZeaQHJj_2Gd1U.uQdvtVo7GtKOhJFDIZrsJIxTxZLwPFvye6rTnQHkQBORL4OJt_.mg6CV275vYdThRUca8lxC0ClrCniw8Hxa.dLsHpXysQXIQZg0gVVI9FYKekvw.4NonoDlRe1CTkwQUKnT_4P2JxkrjGOoFHBsrnkxeoo9b39iQgDtlzvcCY9eu_HhUgaDTi4MZ5kkMW14E6Qg0BJCGacF.D.nfZayPSmm0pSYJX_8NRDuBIQrGqHm2oV43M3YDj4asOHwoiDTwBh5KpuoNz307QiySmF_qrVQb_LevBiJQNAu3dgWGxXoM0St7pxwxKmQ0Ot11xmSlkqHyVN0xtUEo8x8syo10MFQ1EVMZ_UJtOxPBNpoOG8dfuSRNt5qEdizx8H7XMV3TOp6TIo._MbqaKwypfvZ50KQR32QfpHdnIYKEs5wAiS76xFgcF1M2Etfcm8nGCWAL.zXUAfbrCOVjytSjfPOMeYQKBjmIMjvyS64rFYdb27FLgNP4xBcjBRFUjS4Crf53YOhPVvyUUU1Esdz21lpA8Y_q2rXVmbxVN0CwNrYkg6fRb4M0tStWgvCMR_vxG2KA5KDvpdlcHddKOH9hMBOHXyCKkIwtURMIAtclr5UPrN5Oczi2sSXbc59wKp.iBaBx49ngmWpKa7_e_M6itQnWPiNb1V1kINhvz_kbw",mdrd: "KrcKx2nhDVxPRjwutPE6eZQLd0PchmhfqyNcx9bwe7s-1749227828-1.2.1.1-tBHhxfv9s7NpamtnDype.5zkcv.DdSBqmk.JIxWCO_yrMevuZ188pnhN5Kt9LZCECQxfRsR4iX3DbVcCl1ltfGQY.MrFMCSIvLpTvhZFjI9vpr9CXrf9K0GmJTmh9l3SgDxpIWlSiUx1Wwio7rFy6SBN3QqnWjf9xDettwHeZdufL_odso4QKkE28pgpfnRhOaX7kS5rSSHGKeh_E8RwUp9giLkMMlML2UwewSBJY1UBbitguupyUx0zeEsPk7HMxxp2yb0zA51Xc5_RY_nJ_wmzmk24sN9XLax.iymwrEvFSvDC28aF8cMwWpb7WB8ylE5RfjAI1u78IMK_YaCSUiDwSO9ABwQeK7OxLCvvMBF.6EwjdERerhGxxdy2MKUI10aQKGqR.lVzgeIxcnbjA0p7Y.KmTNOzAYe518QfKM.5bA15umST_yCAhN_9JfVbnvOQItwqj_8tj9IcX7DvDxos72Ft4hPD4BmX1MJvVfmiYvHRxa45wF5EtMJoJMRcQ8CTGG6PeqCu9d9ipExcdWOxDxHn5AlbC1iUlUrgDxMF6_JiqGkArvY.xgcJSe.5ljHlcUIAfyUa8VNzKBJKdeGYBAeppan7mv6YzyQ3Zaf3Y0fLsG2vi.yKT68tFqyL2KNWosi7JaiOJ8qEjzWFARUh7iJShWoXGUBDaEueenYq.7Lg0Y05few8GFur_NlsRt2xdTBuLNAR8mLPiGd_RUasRDBtTtINoOHdtAC8g.t5vbldVqSLIkysJLPyBM3XVpbJpwwPekmKHGZyVvPd1YJVV9628j6aac5dljuwLSA4brTwMHy408vgYexs1FDkHQM8qKb.L7qk.diSs7_qdGgaNziOYa4twcbaFdcgcMVtMrSTg5Ez7fUuiiQvQAPfU9bkHDiqW60npEx2IQTYrLRvhIMPJYhghfF8EUhw6WiDLBPFeErzBLgXFTyeJV1E.HLxx.HklcaIj_a74YFO26hawg17wH8btqc4nnsNuLLhqk4kXPGES6nLpkcn9YzBDCEImyZnRqoYc0O9bEe5KgD9sBsNuYxfLzljgVqmY_xaEocYQvkEZlJhKn6qRMOetciHOBsDsKKTAru.UnUvmLrV_wZsEJcRBfUUU7lNnjC2JPj9It0XvwLX_RuUxY9xDEWxSADWxQu44D1_OfSpD6ks4B1hZ7uPCnlSd2N194ISlSmn2z.EBuVokRNLCjsJekpzIa3rfrgfWiYTYXj3mlolYrzaRJdg9G0J0xYLlyKhJNqVuAbiK3FOush3vR6jVgMv0JjmFfsKoQ7_.UEYhSKJbIWxJhLKhdF4KY8ZGbDnty5WOpjLPE3.wnkA.zY4qI.DmMxvsdUlpNsonj80oC.Ds41AWvqLRBadhzMqC2rcTRqZBB6tGm2gYRqxHOAQui.26IxpDJcNOW_s3DPoOqVrxD3jLo2KpQQb4FvbUBfqcHRVZxVWrcgl7_gyDMpiATaetzNo4SHnUsolQNtObTA.hxK2r.0xSc6guq1xBnKz5SUnahOa0G1IS92wGaKt1vdOwvm9Knl6BWYh4vGajcNzYAmEswcZrHxaSfGoC94P0CdnS76fcuhqF9bxvv0S5sld0v8jtrmUEb3ZFL5g3AsI2.hlg9zS4zXkgIN9ZL8utGIPMXbZuKokkJpY48ednNxuwvGP9GCUG8OP9gHCqJYgcLjxqcixGYhUbj2eYeToFQpVqujbvYnTpAOWcmmBJheU78fyS5ShIMpuGmXJENV6t7Kf6cTdIFw2AHDhXYlfeoLcPsPi6zu2L_nFwRByQ_2A3V6PaXhmAkuZQWIE.gpjlTOlljsvk8eEvgEtD0IXoDX5NhQhr2vj_1_9AXpKgWcENhKnkawI5acsGV.EafTWZaPH37Fut5DCVgDRL8E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b9552a4be67fd5';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\/1053279846?__cf_chl_rt_tk=GXpxz_mW6zOLI9E3B6AvM6SvyJ1KCE6n0XaHIXvHJhE-1749227828-1.0.1.1-P.0dns_snW.JXYN.JcYkNEiGIJtjKZRN9PcqHUu4aKM" + 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