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-175942572697.mit-edu.top",cType: 'managed',cRay: '910f883f4fc9398c',cH: 'cN861TOauP5v_eW9eCseOJuQ49FFg6_2XAgO.xvvqYU-1739394278-1.2.1.1-U925E9bohyOYdidDmXxsW1vvIZJbknMx6_njuC0mL_wLRPb2reg6FKGCZOfYTNiS',cUPMDTk: "\/post\/9320615478?__cf_chl_tk=SbaQB_ADCTyUknOZcq1EGC4H.5hWZJGL7X2_.K33cS4-1739394278-1.0.1.1-u94K3USyFQ2jiu3fFLx.wElAGciZh_AzMXHIPDNksB8",cFPWv: 'b',cITimeS: '1739394278',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9320615478?__cf_chl_f_tk=SbaQB_ADCTyUknOZcq1EGC4H.5hWZJGL7X2_.K33cS4-1739394278-1.0.1.1-u94K3USyFQ2jiu3fFLx.wElAGciZh_AzMXHIPDNksB8",md: "qym6SYkALdwxU7PL4ZYWlmrTr8UkkH_cpjAozksaOTQ-1739394278-1.2.1.1-K45Ac1PQ4bk8vsqbhVu8jJD1l0y2IeaETepfBW1xIJo_N2mwTfW9uX0rTGLTmPEaRf8IUul2ZpEUkXU6s.bK3txG.amvztrJnABjOkvfiwMsGhDxHi68t5YyhUh3SdOjEeEv7io0EXKIaJhz2Cvb6hpScP3oCwWMq7Dr29KAmqU.9rk5A1mh9_dmgXZCOK3Pb22guQuYtNxm3_i97fBlbK8SLWzLyrVuZzkt0rbIPf8ARgVCJTekyavpHbF_v5XYPcGr3l94oVEBm20uBj_Q2ZpRRZO182kdkn0JSIcEvG_FQyKGUuiNGmOQHrhTeh7v_K_I5EGxD26vsS1VlXDC.OwluI1BMw17S9HqVKWvjyDmxBCb5f3XMz21ANuuBTTcPzdrFuHfpAXYQwpd6hPm3oWE2v2ygBJ6WUGM5NLApRwxdAwcVfdkpxNbZj4X6aTeSV0nBTnuTfA6qHEugtytmZv2TLSg9nUVHh56R9CacManwkgUjnCXNezdLR0ma.I5uq_UMScbxHPpLySL5mnhESYfshgReVee6BgBq2lk7XBB0nIrxfequG81Uj0iGWS.5YpGPSFqMsKONPNZno69XPYzOcdWGPYlYZ5f4PUzWay9rOBSaMQ5LRs4pqA8NBnZ4wBCAoZk3IO0VqdWGSaaQ8gKXO.Xv_E4eiHm7_BsazzWVzr0a36Mw7eX7EzrCJOSyrLlab8T05wQT7QFBgnGe9Qa_AAIlz6sde1YoqQo0t4NWS827cIeyGP0yEG5wKM23hXzDYJpySBsVMeQVpbVzBfCwU.pFmxOjwx90Qc7BvcSVBEwNKrEglNgZA06BU6vVdyKarVLE9uqXM0rYM3HEt.n8k9si40tbIt2c1MSKST1vdverhPZJnzPLCX35mrIzTbTVKNocP5QqIHRSvUsL8OxgoxQWcZ9YziV5S2svnC2kRl6yrsZ5zNVD888HNQkVp0s4DiWnIWZdWpNKkKf0rDJnzL5vLduSaV9vchW.JVw_qMX.dCflSAPSASCFLBGSRjdOeUK.arxBW90aWHriohLgTDFJxKYoB5kkMydUFFxdbhKHzJK2a7E.DAbP0iFM1ytveCGQXqOTEA_ypiBy_ta83nnaykBaFwtg2ngzGIZWFCAZfbqJfeuODFm48cTXC9MJo0Jt.oNTPDu8Z1piLjwKn3cnBrVSotJ1kB6Xr5Eb_Qa6mThbyZOFt7V6Gue6iHa6vQ9c28rjwdK7FlU7fXcFKekW_L3485Zm9T5JYWsCrEx5LDFRBPDnQbUhkm744lCpW2pJZQJ_uSnD8QOHTL5.Nqr.6vdxiPwcdPkh838BOEH1cEbaLMiDk29zTffbnUMi8o9Fo8tBVwASIjOI_Oqic1l58dgbOhqy6YOM.G_4mzOHglUXLqZ_6IRTzw.UMPKzj_nE3BzcmUCGAONjPNq9ROKR2mZX0T_g.WVBsaQglhN33KLnjwoq1vXxc8gduuMnwYL7rj2WXrNNobsHjLXaNYKNso2CU4wGrl9bSd29fxi.TzTLV2Rzp8C9X4BOTlFTbyB8L3HdbuSBjgz4N1kllE6jJSmis4WHde0V7AmQ30vGKU7rJKIPeacDJ_2WbkcKpMwvN9n176owxQqUkL.UXIWQy2CPydlWoXxB9wQ6.ZIIVSY4T3qic7d3Gd.qaBAbne023FmE9b9GHShKQjkdq9o2vQ1cQMzOmQyIHRExY5y0a0v0EYd4xbYubmHcUI4jlzAYqb4DQq6AOIhwcAZXTtbp39zDi8oMuNR2Hp.4LBCap9OATBjRPsP5QmozorgwIkTphUJVzp.cW_5SACxEoDj7rPsARWjckBrlTvA8lASFeXOCYcdDWn_uDLiuA.69g.7XZa9pEyG1mPHea1MnHX.A_5N1uG7946FviM9jEqhVB1XGoclcOzx0cDj9dLEWaayIdLG6JhkL5ug3pnAIgTmuxBjqcyybR1t5KnWHL9ukk_BLMrf0Mjj794VZ4gLfwA5sRR06x2KGbo5lopC86cUOVYuRw__sY7FFrs31NAW6hitOdrbTCDfk.DtyuOMt.WcaAuMDxjn_bHo6WkvgHPxfALvTOs3bLjjwMoh19gJszb4oyZ80tFXCif2VJ8gHfqfAuvoX5tFGVl8U5G9Fwbnv09f7Z1lcWot.l8ur.E73ISUaVA5XUOaxIpV7y4BU8DuHpiAxXqhNXX9EMPDLifY2PeoD0u9Bq8TG6b55JQXUz__dtaxBAUkIDO0",mdrd: "YyNsPxF9n05Qsp1PiP9_yWBZfLczqVXMYlHL56yP5lc-1739394278-1.2.1.1-8CHmYjuBCjPhDXMXIHyHa.XJW0C3I8AXhoEMqH54YVbo761xXyXtuVpQjZHXkUNAIXBPF3Uc5u6E0XIwgCKvEY7QvZbJEj6OxGK80JbfyeIN8E.2FT3HAhixw68MmegVm8u5uYQyy7ObNSrRy5M7MgcQY0hS7s2XP2kSSHlVtBoVgr5R5VZVapJCAvL0WG0xF5utkEnISPYRaTruAfs6DllIKqCwATlPn9KybCTAtwm3gNaqLphTiGfYMhbGox2McIbYT9L_FFcBhO0krEXmuoWDgCIsKgc4Jz0P5PiEWnoO3qOFn4XpXVjoFVtVrFvFa_bNgmNQnfc4KyQWja4a3nx9GsNjdbFZirGaWeVcinvHqzHOUyDqtulThD8.JIzNi_EgaZdeVeA0XIrqhPAkIhacnpW7Imj5lIFeyvu7XMiUHr8KlcVmYhNlc5Su1VIFFDm_pleZHY0WgHZaJAB4NcgyuReK97hWseCPQ8BTsOCToxJmYOc.7isVg.5L7K_AmYXMHaPsegg9Qnn34a.BDx.2PEkce1SFsG3o7WxgBtoxMTKE.BLDD9nrNidwBai5rhvH6L9Mb4O_O6Ry0Pp53xLEQokvCMkrgUZ6ih1eSwqox1fuINgfGegdqKAtXhNvlsUAPqjK33cyg7QfEVW7HCDpVY4GTobayFLuYxh0LvY0epvu1kAHP9QDFNMkopeQlqxTVU2oaX.4S7m7LwDzqxGH8HFQ7OTuaOQDGgyyZmJjgwPhLWYrhRoufBoNFnc2AfHfkNgT1gfGBq6aHcYxN.3EFV3zGz5XAUPWgYw92xzdZhDJPmsQBoOkkY3gQwsVuXZvlEFtf1Y36s.w03A9GC1nJ9WfwHYTCDwzTgkhtxi6N9T3GOqSCT5aFoIk6indfWseoRs1WuofsvbM9eJKX3PI6VvIeNTi8OERauV_GpH9MF2MLWNt82ABjYdnRj4SBQpDAA46hhPG3.7U9lHn4XYqBbgc16ljOGTVkPMwGDfcwLMT.OAdYUDghkch4tCa21CNumLNRDOe70kmlMkQs4xnNjkeZEL0TMk8.b.aj.x21EHoaBbScA_Gi_nP8zSGoWCxY.v20JxjGs4alH4F3BuSly8.rk3abx4mkiPozz9WO1CXUHkaOLRmMAb.46pphEs0lDAOQspi4GgwWCT13lyvi5r6_hBb6b5fiQlfrLdz80sQZQz4c7lS4svInnmGmVIg0TtqMsOgnVN6nfjgmXHznq.nj.IjfvdzTu5toarIm76FK5GIMtDKace8fjFAHxDoEG5T62NboiRdJbyYpg.hYX5aQWKeaGsRHnwI_u7jkBQ_cJLamQXA4nfZSbma2wwTCZP0nZvVgrsubxkySHFkOOB9QS.nnuwwgWKEHk5tFqiB4.Kb7WgkFylTM0B3b5PDY2zdzwfBL3W9_h2spaqcn8gfqtkXbJc.rCNri_oNM6DghoqzviLru0Y5ghSTnu0ngbXPHAgwBi36KVPS42FYM4UqqN3abyRBYQCdRt7qqXe.cnlZFnln0jtbrl4mr6wlNAelsbjb3ON11WanP29Hy9ZdDK883ceMmkCdX4xQA2V2Xvr.8b5u7EzxR8qRkf4qGrDbkGvpo6zoC6TlBtoGLVYCEejn4FjxMtU5G8qZ4S1TGW4uUwGLD9EI1fckrnzZuKm26QmYbGkQfvF1rY63AfU_o7jERaoLynT4DtL3RMvBwvHuo54bxCrgZ8nlXVv_Opbze4QRsplTmT9dbl43vRbS_Fn57HUW2wLLFHpvnp0XpiglBgBw_I4FY4aWZwNK3..SIELnq_ovUZoNxmUaWds_RKHOO5Pj.0cDdX0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f883f4fc9398c';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\/9320615478?__cf_chl_rt_tk=SbaQB_ADCTyUknOZcq1EGC4H.5hWZJGL7X2_.K33cS4-1739394278-1.0.1.1-u94K3USyFQ2jiu3fFLx.wElAGciZh_AzMXHIPDNksB8" + 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