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-367308125864.mit-edu.top",cType: 'managed',cRay: '90f28d2bc80d820f',cH: '0X88UJxUDNS.1tVZXj0.IBTJz_kFgqYo8VEOtCqjr2M-1739090392-1.2.1.1-3jvXLBWS6j6myzGTHmzNBif5D2y7SJJAndhvQM0C84nTtqkuitbs6smVOSHZPBB9',cUPMDTk: "\/post\/9216437058?__cf_chl_tk=hwyhVEwAKyUJp6j7.Qz2rCK6U1TSUsi9_chATUZ342w-1739090392-1.0.1.1-I.1KeZJ7OZd8VPaZIrRu3sa9DBWy4Q57jATzAPuSkJQ",cFPWv: 'g',cITimeS: '1739090392',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9216437058?__cf_chl_f_tk=hwyhVEwAKyUJp6j7.Qz2rCK6U1TSUsi9_chATUZ342w-1739090392-1.0.1.1-I.1KeZJ7OZd8VPaZIrRu3sa9DBWy4Q57jATzAPuSkJQ",md: "Xc5Amp5wjujwuAilhGHvt2_ttvM8wk2Qkm2MT9qsTC8-1739090392-1.2.1.1-nBu4qKrCcI7RMn09q9wLlm_UC3csh1_4ujg7ywoUzDb6X4gd0PAKRAm0OAJDPFEGBDZ8aD6QBHbTlbUVgHrNFuyAzQP838R_.GGJ2IHfWuBySG0HZB9iqg7qESwbedTVYwpAxOOMdHxWhR6yO7dE.2nIeGlxPGDuLzlfRpg4iEX_YkXcj9X_MQbm_7kVXdrjhAaZchV96akV8E17DPtdbnDIXxrKqMbaF_KNyYhKeaWjwYGLAzE4yNyxdajUO1hgEs.YlgNImBSJTf18W5lH8XMjejs5EKnZPlyn526rGQPzzxCOyVrxwRIZq6eo5BGOV3ezZTmrv7ZAiR0fNcUv8kyqmv7slTKdo.jnw4BsbxwVUYNBbT1E2fQZUl8tynlaNlP6RYQzFTyJLB5hoBZacATyKOd1824o5t2QvqhwmecmDgSV.upwEG_FyRa853kuaL.H.7ZngabKg7Qu2v6g1AxmMeCPt3BOvxP8fV_gaw2vo3T3Exy0OTt74EZTPh5M9Xjotl6t2RI7cjwpxImhJo8lCXTKlRcugVRb3bpf8dauFuKOMbYneQCxqV2leOCQ5pyndqpTdEfl25YQl7gnG6bAac1M.RaqTXdoVBa_Ezj0cDYlpRJQPQdxPzpbJEQbuH0USiY_zWzEL0IMhzQ8vdU1kh_DzvPFkt_oh9jxJfdBL_wJ8wXDC4RoOVaFfRp1MD9pUpfR9MddCHUKRfvhDj5PPFiPVNSRN0fJgx4Gg4H_2hMlSmLbLUpVGu.xoLyHnuM6iP7FPQyl3r.qyi4zAnsMpXpWC2KbvPKePp15DkkHO7oPx507.Fg7XBR8A4_KlxDtijlNOtuWVSJZG3p1BtNE58Q5lP_X5hujDcSO2quinvMIaOY9zuCK3_pdifwOAOg6zf4gX03hkmA80AgEoLwnCu_owyEUsyycJs4syj2gjw.d7bPci7RF5ok5df4hVedGEyJVCtwsF7fwJ8_3ZbBX807jbB9cdH1i9Ft4XkKe4r9bgdVy6dxCmSg61P1OFutbvh3lrz9Nrz.mJhhXee.duxavnHJzypLtvp9E6Izv5PktFTdg2Vm9pKKoHTL_nXr6SlX_HGqefxDZ1hVzCD2hXi2K993iJvA2Kizds_XFg9q.02C4x8cGCLxBOLwp83lUq1KhB5EsoidFvay16jqHY3N0YrpV01oAFPUc3F5SZr2p8Bdnw0_0keLgd8j0daX5hQW3Gidd1htcKThTyme6Y6B8v0pVuLxoDssJBH4xBRE7ikr7sdEeX62GAEwnQs5m8ZrNBDGTWfxydqzI.WanNVNRiXdSvgvyQSPqdRMT8fLYrceQMUx8KsgZNTz8xq3_s2YFq2HqZ24WambnnTA0af.C9xd4bqjsrZo9l1ZViTc8UulCChPBuRya.FAmnYJj6UoKjzOOUej1.T3FarRjZVIfjciX.Mn5B.jx2hCidyLbcwqkW6Ch0Aix8ssxZVrgSiX8_Tdvx47lbHHg6nZzgDZiXozOL_2Pt8qIB07VTuekEw8AFLo8EBVthqNucQoijY1e.RlCjl5b6.HeDbx6gdPZSeVCMXPLAClN7sIqQgJCOcq8t3M1lzkxrcqPw0abdMxSMUCDvTslaH6X1SXwM5UKJtj4sPqYIbLz6r22l17Vbwt4PagT4LQbp6faGzGxzslrhaeNUiD9v7uNTp1VoyOtQnaGzj9FcuwXi4PG54eoJCllr6TGYteeZdbBeHvEgpc9MifrgwUUk7.iooKnJsBeo5hcPqI88ID6ETdt7A_t8jwvNJRNoIWhZYhtG7xFZuZuuaPFwA7JS8cn91yT0UImUHZ.muxI00j9B20k_NWR8DySlIdwzYIYHX16IpBehU8uTvYQLv6ZmjiMM9EgtM1d2ut7cMJQ5yz7IWIH57imHLxbCXffYL_70q6W9rOYBj0RnU1kyskmHNA3zKAb9COBaZoF_b1Y5PmcRAhvAi3O_BZO1eohQZApd2oszkEm70bUrstu5Zh.xas_HAhhlMxr607cS2qgTZDxaLhcvMGLSWFTfL6uezS927MMiKdcELIv3TlaSMrGyKrHtg6MCbOisRSatATHwy_lNVKnt5cNy.Y6e1EC4yMXSbQf79z8gLHTC72ZVLIjCAoHNVgGTLaD7qpml7LWW9oLdQlzHNBds59ylKp8wzY1PYZEQXp8qQijCgSRoDQw1sQyUAL61HA778.ySKzNyav_vEVmTRbA7anQGOwmbPEnQFm4",mdrd: "96V.gELeCMVh3jsE_SoYBEXRaISK3km3ud.bgRRcpI0-1739090392-1.2.1.1-Oxtibgdtwna6CiQpz.AaEFiKCh54MvAYrMABuL2dcgppCjGdoO7d5mn5xiOji.qPwP.SvcBesqDm6jf5iOl1wWpcEIq1VPE6yYtuxYpwxGOb61VP5JApYBQH1S1u2vgtc2D3C7baZrmR1h_S5uyKYDob2SzdGQesOqhJDIkIBd0ljpmNABkdHxrFCfYNAJkobCE6iA46q5j5I7XHs0A9Tx_x_FMdWF0UIpHJE6o8DR1_KwYXxTDSJWAXwZfnxwpYXuG5HWh.l4fGTLA7spqef3GD.C3VSEARpPq0Ha91P0nSoIAk_3nYUlRNiwDlrM2odpz4JMy2MKHeu7kpv4TmMPZgrVB60a1pIB4J01g.ZyqqQt8PV9QkfsDHMObagjU.wjfM0NQdTLIOL4uZjeiuzM5ZeuXRUrUyKcuVghxM8y6o2V_FwYeq4eYSMUXU.hvSVxohN0gsR9.pgCthY6WzOyIcNcPI4CKnKhO96YoHC3w2JJL2iHL9yAUmwp5z_kYwLu3jv2IDdEH4itzmIA68iIokaQSEIet9Jxzr8AOMftY3LUgeNMOzHGPpsTs3MIfK5iw9W9bvgV.mFZuCGvDixgi66iwWagdrJCkPsiXLL.RFEu8YcObm7mHAAV9f_z8q1c6tujos4wKBwIe.OxlGuXRT8l6PKWib71oeOqCl88fBXBWnjifINHn9WO9jBDR1FtUro80o0yZscenjR8i1eJJ2y6bGS_zoqmD8N7arTmLJ4M.3P7RKZN7ajA4G5MWK93VACYPfxabu3WeapIPRQxCRl6LJiXwDKDAJOdhIwSMbo73gaILU1gIvDdlHLVxFiuM0Wrkrmcl5PYRb.Hpn385ydUJSKtRvy.l0iqUjcKbuWR2S7Pw.G48wGS8gOofaftjTQ1Ty4hEewCxr9d0fwcSPB0k3kGW5smi.fyKrwM7kOHIksrae9pBOKYhCA4iAUFJoFEVknX9sMkPGocOHy_b95q6OldEeMMu7zsJqQTovrFmUonJBr5Y1gTTH8a0Yn11w7Pch5U0h5_s21ZVuKrlZbgGSfwxieGIv4Fyhr2xDYE_kH4.GKW.AjaQ.82h3XW8MQmYOntZhncM1SRZdOsfiDw59T8L2CeF.ancbi._BYpMBsq77GjwgbCqK2pCGMe6TnrWo69WLZ7vyRPyu_OfIP7UmEqf1m_IHxO583iuaPuSWAIeMfxx_7VYm5INxZ4mPiNBclqqD.RY12kBH0x8GMk497kbQ7.pE8DAVrnWzGr59F6MWFevN5CIQzHNllY1BjZevurdlk__51JirkdvEDNGg30.6lQUvt4IQzPvtZkBeuzrKCJGxoOO6QyoPoOq4t1u1PE48PQ4HLl7VDNrruzUAmcRT.WgQc7sIFpqC2eXdpnRueNGPSVOH43G3taJ47Wx5TG4gBNMeAxR4bszLzyyKrmZqvt.uo6mtSD9LVmIk0Rkkd3tmgwV3lZTvhRRloPZqikrHNjd38cvvFbGD_BTYnR3TgMGGXjmBHoec9odseQ.FOTvnpaSRCKvEhwZvGeqA90wi..VpJ7x33urWeMlAisJ9K6.4hnX7wXtf.qvAVSvkI8RItwY8ohXOCp24B69ZlBbT8542uE.IBa5Pm4sIpEQhLqZI7O4sZMsAMMPu55_B6mi4vrhe2MMVgLSrWqAl36EfKB3mSwqowqlLqlW1FZWAcY8ViANMUbBzmySfYmRkEjSR9nbLaB26NES_UD9ReTZYnz7ngJXqolwJW843ql96gQYwfpWXiD7hVWkZLEnIgX.ZxRpvLV6VIUpHQEovyUtE3HC_Yll4_Cb0efhTkz9hXJJWiaK12SE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f28d2bc80d820f';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\/9216437058?__cf_chl_rt_tk=hwyhVEwAKyUJp6j7.Qz2rCK6U1TSUsi9_chATUZ342w-1739090392-1.0.1.1-I.1KeZJ7OZd8VPaZIrRu3sa9DBWy4Q57jATzAPuSkJQ" + 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
