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-affbnic4p.mit-edu.top",cType: 'managed',cRay: '91104accdacac958',cH: 'hWyNQZln1HlG2Xdq5zV3BvaKi2gyR4fFRVdkbEgrw3E-1739402247-1.2.1.1-FJWNpYv257VRD.9.xdN7sW9k.P1fW6NeYuSHJSU67jORJ2YNoAmUbxApHueD76.d',cUPMDTk: "\/post\/2173685049?__cf_chl_tk=xsu64M5G.Z6uatZ.gcyk.G2CDLkMXPuoPzrlK0KoxKw-1739402247-1.0.1.1-RfU1Ag0BthtLgY.8klmB2T1pa8T8H2Mxe04fjWQTkRw",cFPWv: 'b',cITimeS: '1739402247',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2173685049?__cf_chl_f_tk=xsu64M5G.Z6uatZ.gcyk.G2CDLkMXPuoPzrlK0KoxKw-1739402247-1.0.1.1-RfU1Ag0BthtLgY.8klmB2T1pa8T8H2Mxe04fjWQTkRw",md: "kUUB67YwsJDCeT3zcIMVpnf797TllNE.mvr6TO3caJE-1739402247-1.2.1.1-NWvNsOnx8bBD4Bk4nDqCOslOHh2sV7AEA1ZhgE6BrMefHfz.9D9NqLKvbpU8GSlTjDMe3dffFp.0twN7g77jZScMcFJ55ik_yyWiblPfILxrJa1mEtMRAapSUOYVnIJzfwbni0dgKKzspepwImGM2NxpG7agprviJ0KqgAfQwA9rRfWGKEPJLaTKTHofqwCj25R7RlKEjKXZD9Qo69X5a8fBTIIQeXVUJgY99J.oVF4t5gHK_Y9EOEuR0lMOqBN4v.b6blS7f.n7xQaB.xiU6rbzxX1k39TG9XWme2tE2DQ26GRAl753atKSvl9Ghctm3Fffr_gkeYpIEwyz6Iv82qgTX94d3ciSL1omQ1dz473wIRC3qqx__JhRE9dRVdCYFHsTS8PR2Ovck0gv9__cNFNS42gipHtJ5I5QSBTEPSlq_xCS4Mhqn4JJ5dfWmh.abDCMthjCeffB7cYoard4WxKocpv7LLQX3yVF.y9Zq2.vRnFk.iyqnWi9WQVqj.jwYwfBMZAvD9shO5T9vCHkkDTAPVztETmDmtwSEu07tYO9NkMT35AYSUlHrjaNTfHZIxmANbJ4FZcG2C4LajhSoOIYjdIHzpQ.m59ERFdemNjnCtqMQT2oyjXd6XdEQgE7nl7if.bBjo9jHvNllFKKI3EdzRgB.PT43ieV1aDVtmnOcJBIwGfus5pcjBgsd0ZzzbcqVghcnZc62p4xMfrii1o_CHgGcKIuh8Q1QLMG81dFcfGFggtjXcDPSdIYNQwbTFXhIbm2AaG7GwivT_94d3PRa8YCYDkMlRnAALaO3JlVFlkgy3MCKbI_NA39xRtU6KNjUbn8E4KGL1qls4ngd4_Jz.7321txR22aII7yu6BEGolbOS2aXX8mhFb_DAIxGzze4NEo.bSC8BDTdSTQ0pSONZoz0CK0UFixgQGFJkXn6JHDALKYdFhoCSh1GvGqgKVUYeUWo6Q81zQYSMHUpABWHz2XaXS2ByTsQtDBySFBAQCIP4nDf6J6OG1wxe7c.X1vfqnuQL03VWuWoo.gQ6TCtRosJMgWjAUBYZe55zPOjTHgc2fcDdT163wO1030brGIRpf10S1VYclwrU3wk8oO5L6yXFz7L_QrUl1b28l0KG2sUtlliVajeq0ZuW6kzztIoH9duerMdi2CvNv34fnyyMdTh2QLoispH_xssCEwFWP3Vrrr6rIGHH.PMDQ_Z_Ggtjvqn48_8Vcxuhb77N28g_2nzt1DBxMa4JHN__SUvi3slwVE0qhXHudssj81l1vCCoxsEzrNECsR4rSXts5IjptPRJk76nKYJURt3VtnEEkLoVJfT7TGSe0zsV5.316i3gMtdJR6iBqKnKNfZ0WNBJcLXX.Ary5sLflrCsyXz8I39VHLNyPmaO8k6mAbpk5UkOqJ_vwS3TDMDdMQ_XzF.kysIXTBeO5shQNPSUOPo_2Ca0Nmfq2BT5jeZFJAucv8WM0vklXGgmws9f7cq1jX7mfREdDvlH6a0McpuigxUyGlmNjTURhOaJJ3Jo4.yjOImiRHHnGSAp.hk9XRRM7u.w37Yyh2cbXBJuquUUjOOJDCs.uS.9gws9GmV2FLfU0teT_d.vnM5FQzKa.HBvWRpV9XWBSv7iiwKvgIFl5PlRgyB9OeSUSNumWOYoDuCGPrRKAjQZC.luSV1i_jGOakXdd0DPYjZmifs0Dj5SlOiTs4OpNFcoiug4r7ezfRUggkarjCh7S3R5lrDthL02_IVg12d7WNaZEbVyX_oYwpo5Gmmplf4Xq77s2E85lUfV4VQ4Rexjd21fyq54n3tuxr_frDiDWzqLP2cduWbO6TCcBYFdWmQVL4wxeVpJzDJC_7pOjuYpsKSEogtA8pA_U5JfaV.yxqfpeDRWgWGPOPcRM4ksljFMz1Stn1_hpir.VQy9oEoN4_ZbcgNHml40qNa70OjDPTy2tOn9BiMI_zcKoiCsBdiS5nWaPnlEEDWoD1rUh8MmrlpD1psSvVve.kwtM1Wf1YfSt0utA4K4QQDud59gCDDmkCpqH4r1rstbIr7d.JXMzjuzZhGL4IEfb3ePUBWVCaVuBuxvOsCdvNqNfJ1Pm4l9f2CsqJz7sJ1.aToA.64fxGTACgUzZ2vlYax.CxVSxMs737jPQMT0RabP_h1jXwUEmVK9J3vXouBzfqZxHdc1Jtq1_csO7xwCFt.dVZsyx6o7Sg_pfK_GDHEpzhs9pC7VISpvZENbJk",mdrd: "9PfegbM3Lyrt6YJlYwpnu0u_1XGPgfLKiHcu4pcYJ8M-1739402247-1.2.1.1-PKYLgQaSYz4_JNAV18rbL7n6880FB54R1LQEe82yvb2re.Fstpu3lXpVc4iiQT9.eqhxnnEPWmqrBVTZXsgVQ_OuEzhNxnyzKs_f8XsPR3Sb4w_SFE997QT6lPTNwRxfF9bWRyO9Hz6eQnRgWq4rWqGGPw6UOeNpghdm3EWYv62kj3fA7YcKtna0LMSZUp513ARE9FHSsr.9lF0RCW2QeGI7Gcg9D8sVpFp_VgOrZCfe83nveM8jQ0r4hc9zJLuCdLNDzDnQ9CTaAhefT3dC9S4_tIzu8tWDcgphcL2V_uler8ruhuB3z24kXT6zTISu15jwsQl8et79dEaCfU3JIjNCkakVSilSe6VzmLN2FwkcfGR6sv981FK1mjesKzxBaUTpPYNE7uZocOGu_ir68dAEdL8WTs.INcLm7_ohJ20Ygpzsb2sHTjCsOYs9XgjJJKuSnMSDTNRdclvgtC8GQPQvvO1nQO1ANsZBLfoT5baLONfnn9gYTGPX37ClQbLjnS7wxMlWJf.piFP.1nu2dxzkRUDMOkFFUMu7xZJWG.42.smweYHsPwho5tzUWhGhfim9kDciXorLpr7vMiOgt8n2BmUkb86fWOtSVKgfqPzHbK288x40lnjUhVTIHAPeZYWMm.K6KgJ_6nilSp9uiyrdKvZ1V9EGFvicqVTSKd8JmyXS7mT8V1eJy8hzvzbwJmh3jB2uI2OLnVw9KD1W6h0zvW87LK2Yy9iV_MowdMdf5fzMo5CXrfIOsDYtJg9aN0_gQ_J1BGJwCRl9iwAmNbHDjmh0MQNmuM_B9NOfGV5lgsrv7dE3K9JkcnoB0kqhICqWzAzWYzLJKSe5UueBE.sA.oCTGFiVh_25BlEZAK2icenRqqznqG4MMReIBb.UOGxOBnanRBKp8DjZEIn1nfZtHLdrchn.UtgzwWhLybYz_KtBq701zEiif9qS0TD3LaRS_nNbu79x1ZRh3J.Ln0VKvV_Yy7z4TkxSU8hBLRurkIE6zSm2Bv9L3E9nUpW9e8afU2HCiNkg4nrGVU75BVRY.S1CJJv0KklezJ1jBm3ksXLt5kpbzRVx0KVtD3fa2NbOPF6XEZ8ioTAVPEpoKs.LLYWpaS9GFXpQ_YMhkKCs48JVnCrGEYVLXNq6sQ4vZXdv3D_UCck8J5Y16BafhQ9WoA6NCGZ1qXYFoqyyygcergu0nN9mhcHPnxB9RXjSywdLqZd.6BsICHsoXAcF0spoe5hnaLK5R7zppAoIALyZ2B_QJ2wdUf9..eGudrjR1UQSpvvzswLQ5ITWZGxWc86cgLBvwODobA2rtRF5GO6l_Pcmttis95nvNlQD0zJhC7KifZKrjSXkgOwPqenBYJSTUOHqJfAfKEqSaf9KeP9IurrVbou4puOh06bSIWEJRvtZVYtaLKCJMMZY0DomBw.kjnVy.BoU4Qk6DnQ3B0zgLTufUmfrfmJxJLULuRQbqCX2mZUJE99eQfNB7BghgaKaieattaDa1ud0wWtBjvLxRqz6cm7O2.l2LYDydFjTZvV_OPKPDsffq1RzG3EK6MaDRxvLkZhv3pnWd1lmIGqN4D8cP3ykiuQi7tr874wwZhCeSvzrtH6YHpBfULWLLYww1ATlA46IsUKSuV23NjJ9JdQEhLgrMeeYHFfxB6AKFv1_rJiJ3WWMY0Fftk50zSolN3RyXH1wY8ch262zgzp09Sa.IJ8VK5j1v8.zWs8xgQ1dTD2WXqyMFGZ.j6SAYLwFSUjojO06MrTEpISxH5EQBAjnvoKsaZgw9ElJUPz8hhdR92.XXS1kCUsUj2CasQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104accdacac958';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\/2173685049?__cf_chl_rt_tk=xsu64M5G.Z6uatZ.gcyk.G2CDLkMXPuoPzrlK0KoxKw-1739402247-1.0.1.1-RfU1Ag0BthtLgY.8klmB2T1pa8T8H2Mxe04fjWQTkRw" + 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