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-698993807931.mit-edu.top",cType: 'managed',cRay: '90f7d68e487dc953',cH: '0D3qwwn84L92pHj3eqk_GMaT1FVX6CsSeF6dp7kZkOo-1739145827-1.2.1.1-ivmElHQ2aKE2DvBy.meiu25Wup86BPPw_Sn0T0KjflNefFMOmAS.2Zn4KjBe0WEu',cUPMDTk: "\/post\/5329086471?__cf_chl_tk=y00.D_KHGpH0Ig74qjYA81f2c5L3TdBG2oRTiM4ZaL4-1739145827-1.0.1.1-N7x2J7A9A7mhhTdOkt2wN7239dShqWzQ9vGmkDI6iCo",cFPWv: 'g',cITimeS: '1739145827',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5329086471?__cf_chl_f_tk=y00.D_KHGpH0Ig74qjYA81f2c5L3TdBG2oRTiM4ZaL4-1739145827-1.0.1.1-N7x2J7A9A7mhhTdOkt2wN7239dShqWzQ9vGmkDI6iCo",md: "VdV.Fo9uGThOYkNluxrZD19OIRtMevyTH.zvvaZmdLg-1739145827-1.2.1.1-yPNBnyd2XF2rTyZ3g5KVADiddzgLuIiOYPMj0kSuCmvrFoMS_MVniGMnoXAiP_Zp.OqhP6GuC4EC.3Fudy1NBsw5HizjGw8JI.C0BiHta2sq4BtQfL3PXYH1oOG0bF3_hvIwg8QMCqzDRAZKj8oEQVwllXGgU71VtVNR_1T6CxSyvG.4gn1x4eSnSjPMpJw2s02d2vZpvhwdjIPS6pYNUcKz3BHxb9OTinxW9GTUDMXiIy3_vh1.O8VVG0cXI_dKTRZ.4ulBru57mMTzbvsTmXj7qR3VygPwywPf7wxWF_UJzhQuwgbW8YGvLest5d9Vl8YYm_jTsGN82vDt_PxtIh.SCk2Ni.vABE35q7Ac6TYiOX794Md58yfIe75Urvf1Pq4oh.8rjun4jE0vHBBQ8mHf5aZfbLW34iTajdcB8YBn7Up8qnwDs3L00yKjRV248HcU7B.aean8EeN2.TT4TI_thCREunKSSR3plDUl4EPBliSsfvtT4W2VdHSkj3BfnlcicwdJqASaIU1rxjVRMUSpdhnNw4vESEOygKzCPWMvQZ.vr8S_nbDx0NcRX.jeE4hEcOLW2jwFcUTSdw78pHFOi.gQURN.BZ_5nrR0iCnYaL06_6Ad9ZR2HxrX5thQFqTjoClxcrnJlf.CbIDa1I5oWzRhUl3pdYQK9yteCv8f0YZ39uxdJhXzbOTMTADsYBayTcmWai.Ui3fVP0AaJYQoQvm5OF1jZHMoWP8pONpSGdWqPhWypRaKiUoXlS0PpOZSnmHc6Cfh3yFGHV20aQ7GmCMvhAs2X12OIKRKLZxUYNtHO71M0dBRojNvy60II4aoOTp.0wX7lghxCkjIjyJzVpreR4p.sWdUZuGZcJru.Dl0BSspIxlYo3FPRuJUi7pQhhFMN3rCLiTpk.7tILayknjcrfFam8lDKSMQcv2SF0OenPvYx4LpnyjJQBQsbtF_923vpPmgMQxnrmzBZTtaOqbsLkdYBIqWFvAoXlkOVMkiryvoChxSR0GM.n.S8n1o6FkGHD9pQhdRmFZ5VeSf_ktEzgZMl_Cq8gzPIaHqUF43DQb1QRFqV46IgiU4t_csLCopHZlA8xHQHR3vT9SnWW86gxFc_Xo8Vz9DYk0p6HpCNpwdMSDLCnhpZwq1sSfVLorc0HJLZxFiAj.k7JvfewXc4chydiyHhsLijHMtnqvEalLc3GUKjZcdDfyMqg_FAiB3GRP8u27bocPFaLmNI2cusLe4x_Bgn2ShmBkRaOKo93rz2yqXppbSSLtSLJ.s11slxvTRByNjoBnTV1u.uDNGRJ3jg_rL2D2HVZ6PhMfKYIiLyUGN7NPhPeV.xg8U.S9IlrxMr1.caymoXEbuF03o4oLLvJLgnHQZ8u6k2SIYifh1InzSsSNlrUKbUdt2ZLshbPFGtyT0oKRf7hrJ0pZK3HnqZUJDJ9ymit0Md136qOpd8V7v9xhwAFSKY0dWXMxcwtyzUKY990bqdVzDBgisTsqO7UQNGEDfog_kkLQH_s_hLnlHD8L_Hfg49kCnXuBwT9v9LDnUdjSS.Ix6XsJDUIJcr2.wrNSIkgg2EuWdlLGmg.Q5LOURpx0JV7dplqkROqq_x0nLr3j2kZJ0LJgb6HqoUS9GuuiHF6w1M3JwY3z1xgMF6e1em_DeLa6OfXr5epMtX256_NaLa.xofLioXZQ4q4IJChOXbdvm7DDYCZMsOb8YnxvdVPwuFt8g.XWHqZvrPn0WlVkhXuUTffII5C.y7FJLKYhAEjFJYXEWDxDzLMlvKSkbFDCpxlOlIHtd8droabTLPM_CSAc.sjbazKkOSY2Gax5vqBmx4Lgw.KiZjRsmiBgrjbHws2zgc6vMywqts9xjBuh0MXHs.YTWmQWDdqnF201JgxtczQzdY36iftUL1xZz9o9NUAWPL56Iyx.In7Cd_aSrEFvwjt3dN.P5IfDlQbCEH4S6Z7wx2r.BdmynCV.A9wNo0zqOBAvBNMM3.32dUqqXkDdHxt7ZeshLt6ICjmPR_0Vn3bXz68y5zRBJU32SDpaTpB18PSePxtjtzXM1Pl3OlZAQ13QO8mM4FeYsa1qncPiBK4BfSqtwodXQFQEbBIfrrU26E9KFIpUPH8fC4kZ3uXdWNIkkvgRRYkzhAAVBHkkYj208sfAZKaQjVk4llTIEOekx5u8KPlrrLeRVajSawgfs5QfY_1uAhIe6n70U3.Z2mYkZZMmMWRpFEwDCJeF6",mdrd: "_6_nKUbBm.lYb6VmXLwsLM24klOiQL1U8EWdPhmqCRo-1739145827-1.2.1.1-Q46bdYRqhkGdxALO8DfJyWT0PSLozqE7NhyrxlL5hLjf7lgfWMTT8xIN4Pv24tP1.g_jZRkzp5vICOoN1hXK9vX3G5tXCt6wyaAIM_26NFEQywbIyh_5L1lZwGh11k9LEiuFHow_VdEcN.FTWLv3Kk_BkLmuPHxIF7_nocVlgJVwrUNvqYP110O0P1b5AjK0BFDMY7yLWO3LGL77.Y1FJUui7G.6s4aKZXKxkWFT1WRfCpWzlXwf4qnh5S5xYQZuMGqAY9ZcyjwOJwVlH0Ai6srpUARXS1JVqo_adwo.JmyQz32.IDacqQ5kBzTc2wvCyvkmztvADYylUxcbIF0JjJS3nKRHGm9lWJh7hxPQyIueDx26jcwzxvo6tFLVtuNxrLMp72jLmBEEBGYKIxgik8cBEEzXAmgMjggENGjB7GMEY.fCaaJCpNJtQmEzblsVh4j7WdjhE0rv2CgYWLIH7.AVSf2HX7nELOtgmYSw6P5uly8fK824Y_hxpt.gvgjsB8T9jzkZ3b8wxZ4Yp8YsBU_CwKHivNuKAdXsz_vLF8BPbqFxxscZiIkD_.wbfIwaCrrBTQM5QNl7OX7wlivNMVjGWK0O1lVjI_8KYV2BMJ8bGOrb0mek5uXWnBTQSKw0oGQnZrMsmlkEyuokwObATw3XkvpXqxhqlSpu6oAAIev_rghqrWWzBYzsCvYiRjCoXrY8uBkiT4XovbjMIFrF5jW4GAdqNeiimLnE3YN70ayzzDGqat_H_gSh.YpeD.3A.sSnbOi03UTIFsYCWMfQaokgGY12gpXA7c.NjR17ZpFIzOXs1utARxPL3MaXmX2oQXXHEod8bRVTFeGgwtlUTWPmzbC5My4INNduCedHMPn5n3RhBB1e5sQ8AInv8zn5yDnpD.PF25AFbo2r3JJzaFtqogtr8mXthRnmr58QNUvd8SV6xrfy5viuBM7YMfyB6bk8Lhp22789SYghowAbFXeh.jueCIlplBhilv2fo6CHTjwoZKix5dKMw1IwGMQ1oBNQzq5JV7dQEm8MTxc.VKjlXiSPJxcbRdTN1DBO2dEK1LWmCK0NEJb.94w9wTyLgAdsId3kMUMzKulA2gi9e6kIMEHQygHGukelVGsHMcxAMwj7rnRLM4NrDTbSHNf3l8jfi_rIPl.ziPDM7MRTVoDHE.ln_Eu_BHvvEmb5GM0krjNG4BR2loHQaXjx0kw2Px.2l7XdMu8opjiO.bq_nWBCJKrda8ZR3vFuTTmiBO9tZKMGaz4Urvh1JSmfEoQjg2TsFSgFsxCV1yWbh5j2kW83t9kNzBThfT3rjmiSV3k8hAoJfQMXSdjjlJOriU2Kv6kLDvmaYJqWrWLxslIaeKSbJ5UkqZOaEhtjy6FDTBgiaJGJuVjL2ZYAIHdWCRfCo.aaIvuQHfj.iqT62eeNnJPg17WDkh_NAKhFKmptJLajJOKYeOuumkdbtajc2DgInjT3WMISSpC1P9svSX8brJO2BRIU8RwxNPGydMpUCUMtlbuD.1Phm7V6rjUV1CKPfUCLB2sqdPtAYStrMSSp7oHfbpIPAjzkUZw2dFYo1Z7hFWP7fj4zX8viffXUKMjHM6jt5kVItirwr2EoS28HPV5YdKU3UcoXF0BIPql5wLtR7C9lhbuUtye9irYm7aPjcmDJl3WzDdCTM1.YyeA1B372VZ_YGFzJOSw20p6bOy8GylbmbFaz_udmCnPKJCGK4ReeS4W3_lxvBcK1dkTk2x2L54CIvuSLr0U6avPHsppAzAfSap7PYetJWIQP05XWXIHmhtyBPARIMh8jNddtBA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d68e487dc953';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\/5329086471?__cf_chl_rt_tk=y00.D_KHGpH0Ig74qjYA81f2c5L3TdBG2oRTiM4ZaL4-1739145827-1.0.1.1-N7x2J7A9A7mhhTdOkt2wN7239dShqWzQ9vGmkDI6iCo" + 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