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-074516752177.mit-edu.top",cType: 'managed',cRay: '90f36bf31a263891',cH: 'S7cDGItTmbljxKDIPeC3sbiN9k8h9gscvT9RuY3MF_g-1739099517-1.2.1.1-LBLnfBIAJ0EoyqiLtGKuFIWQkToqvnSnSDY7i1SjIBxNq58XxxhTM26ruXkbLq1U',cUPMDTk: "\/post\/2781360549?__cf_chl_tk=QTneKUaDvF1YQFBmtqdsQjLOKjIzPWo3vB1uiL7J0k4-1739099517-1.0.1.1-Cf1l3qVjdOtTaH2796OUlzJSunLbBZ1vWOw4bvCUleU",cFPWv: 'g',cITimeS: '1739099517',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2781360549?__cf_chl_f_tk=QTneKUaDvF1YQFBmtqdsQjLOKjIzPWo3vB1uiL7J0k4-1739099517-1.0.1.1-Cf1l3qVjdOtTaH2796OUlzJSunLbBZ1vWOw4bvCUleU",md: "8bJnv1ET8vS2ITJILkaZdFOPHcS3_bpEYkNSksMr_dI-1739099517-1.2.1.1-erGM_g0.dinL0afglHIwcwnp_3Wm430loOwOh8cn7OZFkE4poCWt_Q5gVVB3ozevUY1rH83xsnvAmKQYZzakvMve7XZf5.apFqTuA.uL6OcbI1EqNejpCadfAAUWQ1lul3rLfCpIkCc0vpQSlvPp94lpanlWvuL83AYpQfObf1W9maeAZraNU3f0Nmxrft2EgTw3SmsrgRYKcPyXaqRKdZDUe3MmD.Tn70Te2LbniCrNX2uQJyWxF02lW0IIqhTJiXRZLzuyR8ukiBCd2pJelBDbIdLYCNA8YfTE_97SxjFSJXPUQ3OhsOMikwgaLlehysAg79HhSDhWUtomE82fKY2jQvvSWSs1DJ0Ias6l2sBMDYtJ5tqa8fn_jiIiFi6TiowGxnHpn2uhO_4MYbf3ptLOcQoz.BfE0T1FrI13p96XuS9ccq0l.wgbKPRgib_zv9wStjDXHVyXr9uExQ06MciubQXuDkp9e6MbNqhW4T0AlS10Tq085qdduf1IvR3hbx41Vgf9jnz6YhtScVkBooM0pXZWAif1iYBTXqPfxUyUbA2zfqkAQfpucq5snuWOFdR9PGOpcBoosSETjZdDqy66dAqXdSEMlMLOjpni8K_jhB1pnDkYd_F6pNyIkxFo61rMbiQApfrw49W4IcGfIdzSR8O7xfn1tfcIP2DjK2GqSTD8.MNMrLpF7MYieM7axhRLM.ChMnSvSUel8qrWz8GmtiMxNGihx3lZf.DV8QNug6y7w3zUWY9ieYycYVWIRqsio4WeWgc0GNVIUR7Cq9VRX8r633nAyYEwzyojyApx2FhRuESbUe7WA401dQkys6jvXLfV.MjwZvUksJ2oOZu4vxia7wym7.O6JWv6VPRuV7nvTjgF4_YBJ.qW3ffMFB6BGfUpUXzhx5bmH_0MA1UIr18KSnppK8PVvScgtbgI2gQ_XiPlQn90v1cKwtdC8f532X.hWQdAwpjpJ6zqcsPy1V.fwZYuuyIrTHeEupV7fD5Vgqzv2MqtYNC9RdVWd_f_jY6mVTLPHW.pp.S5TFDZJ0NLLmXnkI_T0Z2xOdVY3IpB19bVB1UT4wTWvKRFq5nnOnx4rtOznJnWAy916pVTHOBw71yrpb2mGsD0tIsLEUQhVZpN.iKN.0TMAvq6U6Ur4jWn2g1qTRGiYq6CPJoCoFn9zKByuaPOp4F.BzSJDZSF3FdJarv3wjtrBNG.O5gMa.YeHtCCXSPeF9J4p.lM73eqN5Jv0.L5xfGLiMNsQCTDOnXj1JmTk4TMA8TzhmXKY3W_Y4mYTdzh2LLJ.4QBmcpjaueAuiG2qCDNjDOkm6LQ9lXJTdJdr8TYu0RgUO1htNzQOZb2ZgXHgJlgStVv3bIuBe5MgkT6JPTRYck7gIe2eJkmmPkFeo.vj9mYvj35DRIbyJSpezUrg3lMBaKoR2xDAQcKWVHCS2oO18tX_DCAOqk3UsRqxCupJC0yQlJCztrzk5XTfQZi2qZTWRCvkm_8V3G7mlv4s65QBV0MrC2.BF0zngg6yLN_R8eihMF61XTTlSbuhYqKwMNRokibDSPA5Gv0e06LuSTrydutbEbsqYR2ak3HQAjRDq6X2KGBipQ_JyNs.YbfYoZ9X.HwvKpVyhNTZqWUaCxPlzkC6PYx7D6ngzNZXFWgRONTzoQlEYntuKuv9TEFM3hMdSbMaoRCpFNmDUCvB5rBi8xQzL7pAYXKqIOF3thwBqC4U5KR3r2RhVwBZpPAYCTuqm_pBGGJiIZ8HUiqICSZ3jLMnwFYZFmB9DAD8dL2krBxYTEGRsOD1hjq21YeP..DKaRKsdLWLJyAGL2WrCmUmBRBtKSusursQqcK3pz59OR6_wRsrFULF.ZY10LcCn0aPAzNkXYJFc5F0XzxegOrZ8wbRvJxLaGpy0z2mV1Tfw98KTFrTrts.B3tio1JqBXhumnUIX9f4xPIQ.oteCwVnsJWyf8xehkvWZUgJXdTAjKguzBGZeDk.GYfK33OpE.3FM7lVFMQw_HfbQXT_9XyQFQJPNdcvoOKpg3v0db5vGWhhYvHTLauFNxa9OUwtRthcDZ6RdzjtKR3c3QB3PWVYWz19eWzw9i9ET5kqC1Mh8pq8ptNjREFNBF.QPwKl7YW85rh55cIbvuibL3P5711dQ.gBgpq4AeFCY8e48r3KoMTzi8.BMymSjJcrZGuFLy.gUF7sPoiR2GcW_iPlJcpQa9XeGov9RKhG6dwQWKk6Uxs",mdrd: "SzQvyyPVTadgBzM7AjhHOZSTxjWxBUeFHJr2hZGweNE-1739099517-1.2.1.1-Bf7YBUh1x4HD19PsWwUBKvcmiwX6xSWlwCkPjzQ0NQTah6f76urreTnZjObIGOufuZFaijPzBKXrJX_1Qz0Fhyx.1.6Dq4Hq.kY2EG_UNZjAyVuonJLaOMYhEXhkCa2273iq.2Ls9lqwnWJaFQq_v6j8fYhHs4FAh88IOSksqfVWtgm2tayLHvXdeivZvw4RmfCTFs.CFTlx.XxSp2YSx0KXAX5xQ5mUHlgPxvKENUhbujUo5OFlg_wnzgOP7VeL_gv9XRR8ywQtSRae8HXHf4WPGo5FFUqK5dK633SrU..fIOuJoh3tPnsIB.nIm8zcRBwoMRoHq_oDeFDLK23EMukrOzX2mz.CgjagHL3l0AtYEr8fVqvoNGMRUYvgA0Yqi8geB17qgce8icVBMNp897UJCca.FyvizBBr65CI6Pg_h3MrZR7DR5l.H.ycQt4OCy2.XCukmPcOcAJ.2O97MvhAqpvnGu996NvqCIuGjrFYjE5bcGrc.bAIRwRqAA1.PRUQ3tRbjF_VG8JPWaKxCL8K3kQ9h0fU8lCpj2OBt2xGB8ubS96lcp.KyGBf9G1Ykx99MzX04aW693szTUNSz7rLJ0982MK7Y0ScQtIqDYTxI7i1v0ecnVW6NORk6QaTUNFZ7pZidNlDVGenfZexWok1npJUSvlZOv2FIZzikZbx8zn1tWSd.ihAXZvaDAR_q9VUEGRMgRC8I1ywrr3Wp5Ot32S8LjEPoCO1TGR8X19_FBw8.62nLB9DUV0sB_ynxwuUpMrmzXX71jfGbUiEHk3Le8ZTenmkrNGSKfKtJlD6lHKLC_6UXkkbkJUvqwLAfEw.Lo3zaQ6fzN3PoGJxLCurRJK_lmGTU.Fu0hD6jSEXlNmbUF.fS16e6rqNgyfe8AnQXMs8vw4H5qKx3_xMS.4RGgrt8xCRKhU_byccmSLdwRrl2UOSfAZXTJyFstkTnSLGx23yS4IemFJsSl3VVQihGHpBwtYX0RuzNMqn1oSB5c_rKsNpZZfH7kQLacGOA4JvzfQO_uLYbe.KbUdTr_tObUYTsOhvEAzoH0L0vADgG4dbIN9spp7DArFfqn7xVweEF8p7DcmITB_ch0bvshHRGhdxbuhZw995E.qnYJi4qZJAqEWWmv3lfA9WpBBm6qsiUQa32CM_Dzk2ITZVtX2Xkdunnu6YYW2KbwFau9vahBk6ukQBiT860Pp0QZ.WtkQx6NC1Nt5lc4_CJdHp.aox3pU9eAIPRRJtFKGjKjgb2WXk8fT90I2VnEwaXX30wF6bGq0wd0xwarzQOgqjYU6Jl8t63Fi_YgW8VOeKGxCljRtdfenq7iIcY4w7WAcTvAJvn0Joks9sp_VSzwa8oUM3CCScYuGuuW8J0qSsobEgRheLo3h0Mle9aVPYGJctereo4xPt6hOMoRcjTXAQX6JkV1ioq8GSgiAmvGbGkMOasmN34aoGFml3Ao6nwVFNM4Qt9xKsAM7pfZovPYX5SOOZNeh7UytrL45iwADhxtVAlELHn5g.5WB8XYHujvGhqZghC5u32svOH.7JJ5xLXkA6KWb4SLdfvvh.9HvY86w1oMlMydZX87Af2FYIsm3v5RFgQx3lLKcjq2j5jpNvty3SwUjOHniFLM._zdUJrlAD_NGCAmJg.k0.ZdPIYQHGgEhpmfdwOEikyZ4_ssM_SanI4V7ElDi1__g9FVXSiEjB440rqzVUd3iQw0CpXUglNcz87eGyG4BUWEAOFnU9msQMAOmvpzkPCR0Z5yd0mlqncecjlh7mkqbN5YMeUpBGU4fqwN4h10J2hUabZaAWhaBgrI1uDhU3Izs2Ec_WcwM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36bf31a263891';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\/2781360549?__cf_chl_rt_tk=QTneKUaDvF1YQFBmtqdsQjLOKjIzPWo3vB1uiL7J0k4-1739099517-1.0.1.1-Cf1l3qVjdOtTaH2796OUlzJSunLbBZ1vWOw4bvCUleU" + 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