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-917330765992.mit-edu.top",cType: 'managed',cRay: '91100f133f09e5c1',cH: '99IUb3g6aJ1YgrnIVngcVHsLW9Rb1yDDzl3ah4nSfUU-1739399800-1.2.1.1-PGYyBoiYLGFUnop4MYcR5EtF8nbXprsITimntLR1QSRA8M2Cos2.I5pNHZst1hXM',cUPMDTk: "\/post\/5348261790?__cf_chl_tk=AxIwxF9E3vNA66_.DIdeF.yumce7iIrg5G.IKH0P2qk-1739399800-1.0.1.1-iX6QvTDjWntlLkcLFF4u80T4.DiDU5QCoQQzR3vWGuQ",cFPWv: 'b',cITimeS: '1739399800',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5348261790?__cf_chl_f_tk=AxIwxF9E3vNA66_.DIdeF.yumce7iIrg5G.IKH0P2qk-1739399800-1.0.1.1-iX6QvTDjWntlLkcLFF4u80T4.DiDU5QCoQQzR3vWGuQ",md: "O8ihEtCkwy6e1IV5z_05R14At0lv9hTayjgEBuLdKkA-1739399800-1.2.1.1-oi38vo7AxPveSdelJbHeloNJvaFaCz3Plbc36SOEjeG.X9mezeR4NfUAtavP93A.TXxiEWovUGfXFfAd.NDQXEjxpLT5UJv1_ATrrnsTYNLt7rjZQhLAps2C9vYC60lasZadCUjkiTkMbdRvzdiSd5BpHqFvvVgBne3aa9pA3klp.IxVQDUt94B27z6l9lYyfnycmtZRCQ4iffChrFDgdgZzte7wU8X0QiYNJ5mR4MNHci_AJcn.SSoqEYNpoQTfLdLoUxs6fLEKvqXhsquMTIuLdHYeH9_mGmED_fOj11yj7xkjMjthSGIGBzOdnhFb0P0.Amhe9HmMhQIDt.bvHIIKdOLpqGbQmRu2qzum5bSL7DGhjLftzjCOZmAMVAuqxWKwrve.hgYXq2MEIMoCkYAnl.QSx8m2ZEsYNcHf.5_uaTQ1w_oYgOtiLOEwXitYOlQoPZtQlJSq5Xa6yBqqjkdRnuIC6RAnpl_NF.w8XxbDCPVuH.Hf4Ulo7yMDeInq50NJczDYKtaCy8nd2wiOov68zlXuUrcLVtNtobsUkA1xUEi52840R2A.IBvYjd.0FOGtIAqQlgqHs7DVoK5FlT34mNaUR.0h5Jf8kAptAms6BOXdw6jRlywzCzpAHct4GWP27BsBz1opNDmwD1WVaPoE808WgamYnWlwnjx1UyiipGj_pJn7lg_Z097ksqmwCcXp8B9TlEVj5nL_Ots2KTg8nVVAb8cWZEVKl6P2GCalmKehNXzKxNaMksUTpsj1L5ShIx6v5L93wspH9Nmt3jgEcRHAFyt8yGeG4J6SuR5MFmMDFFhoNpaErC1QaA.2IbjDWxiFSCe6A.7KmzscFsHOaUXNZexNmPaMzBXnv0A6CIRH3FwAKW3kOE1zc34X1X6k.BVc.l9hxx0kYNEOGMl4P6IeS6B4u54kIfKXLjDnO_rvmrbEVwZriBgRIdBXeTy.BL6pQQNK6DmnbwkqUHhczKkwtBShCkAcE7G3pl2xdif55rLo9.AHhzuBB4n4xAGCJaftlMZW0SYOLtZW9OiB382ximyLcci77KqnCjz8HycZqWwZrGhyrQ1V3fPeko_2RoYwRDegsitMosQh1QBBbpmCEzFccibIAI.EGsIBUmSkkQfvv5V7nD3xcN16Af3Jeg.Fj2naVnh6GEOHoln.PGov1CzuQrAXjg3MOV_KIXiMszW_s5r3qlmqv9mOn0OjUuheTPF4sxQJ.9BhtuPmQ3SQMJK6a6MWmHioSzE0P4VINAvfwJ52OdI7yLImFxARljzyBAfmuvbZtMwe06pVIH4UAKVsGE4mnsbZTHVkc_jnsj75th7pUpl0OX48RveiFVwVIdYC703xYRwsPs7TZiJbLcyfqC3ecPdrl0sfULjUc5JsKSovix_xGsBBFHeY48dC1pPgHk7_W6XBttvIZiNcRyi.Lo1jszuwvc53KySRHI1vXokkPV8Nr6k7eY6p13CTZBLDj10V7_kjqHj71O1TJEDlfRUCfACj6V3ZoUyYT1AK9A1xc_zoiGwtsvPeDtf6YLf1H2mMniiI7GpKetl09zE.LzDltVb4D9WNdaUI4mqq8orAi3pVh3W70Uap22OgPuKdy4OaW7bTc8jK0TaFtduCk8cE7hN4XgWSRyxivpoZMQooZkug._TP0NyNrXUnhUBKi0exG472Wdin00mB3WPAnODER_IiezZoStrd7ff26e9IemdRHf1zhj8mP9sJiJdN4ICT86wa9qUivftZO6BFDVNUn8Mu.jo9vDT.hrpYNBYhG5L9xVQw.UkNNK2nRZWrSt8DAv5S8r0cdPSsRnGZN45BDKsenG0HIv3FK1FIjqi9sYT4w_5j3cwW8R57b93ZW0mtAt7f2ePeA1mHFwL47zC0GlOBKbYPwS10BA_LKGvy9nsSPULVMD5N8btCGbHY2B8pLTIWAZtafeyoz1Zj4Voal2hd4HO96p92hnOUg91jRejk22aGTMI5p9G8FSY2YEgJiZqDKclzDNrg_7DNv7hVqtsKpc2kdlJuRV9BWJzsqpOOleiMmIaKClW0voIxUfUuMDonzMPZ8SKvnaMMtL6HFXAea1BBagtZPcwpGyVA.H1asOOGf8t5Nqsda4Wv0QZO7hm5SlsprGuATam0x6hNO2e5suIrb.cLZ9d79LMA74HeMTLmjNfhULWMs8JTFI4p4X1ORdECYu1KFIz8uhLR0rUBbu9CcZbNM3cNVEf9r6T81TeS",mdrd: "FKP6hpCXb8kkx167UDBulh0GdhzDIhHopTWynt6qsGk-1739399800-1.2.1.1-oweSs1DEW2L2A30SbPoRSG3.gwCWLj5Zs48i5CGuVtGsS9yLBDCESMEs5BL.FaVN_aLgAQ_skXg_MX93xWV2WcE55r8_XF8srZ3HNtWrkDpy_FGDMGVGi9jKGIeJFB3nxmzQPP9lJlVqLiqlTEMn5MRfXw0dibTszJC0USkN9Q0R3wG5fkhQDYyHX86v7l3j_ln9QoaUAa6URm6pHwHuiPiRPLc59pFe.AkDlUqQ_6HiZcOupPWnXaAS803WeMtPDsZjAxXHQsrMo4ksIdvRCEJvEU64C6BYIRtvF6WUMP_q.qKef1LXdkDGEnEfACAqQoa13KKxTARsvkYcVlt_1MXHBhfBu8xGm_Jd.o2NXmsxn8Ljm.tesarb715CItEb8_3xBE9fCaNU7bIGkxFQ46NKAlmSY1rlkibshEccx4iKUxYNmGAGik9r.d84fX9706cbJcu.P.zCln4etVzUAGA.V5r90j1zDMmM7tBSFFEr41r933c5Wc8OHzk.eB4aLmFiFRCvQQUb_HNGc0ZMIhC7Gs2MX1I9XJ5AY9GRdYRGOnQ8KfxCjC4CU6jKM6z62Z6ovrnQFT9O_EqSieQfawIhJYuUKt5._WTCUq6UF8gHh.7ueWBOWEqWDv6iO..7tPTX_t1mp8hf9LwW_aYe6FfR0v6rQ4YujmWcFFFVUwMEZBTK9Mc4MgstCQCAjUSntZ2TSOnupG7p.rH__lsAPdEXrYOrtP3pCFRE.FxETz7NSrfC80HIhEjD_8.JyfeHQ9lZXHU3LE3ZqdaouBlNq5HvOCY94eQjP0i3j7pyLoDedpy2dKPMv8fdmd3C0OEUxjsujzy1DSDFRIS4tF4FmsRgKeDm_u_9cZSxWj13Inld9Fjwm7wAOehym1taAhfqSY51XcHkXFqLnQzwyqbx2sfWhARAQ_hdePCWtFYL5DuAhCI8VJc1k.2uHdHDhSUXZ_lbYcG.g9I8IO8hs.W1588gzdDP3i3_zjb.1VcREcm8_5XcmhhUrgUYTrF0AwSPBcPEJbgzcznpz3IncJAzQKsAZfmqVXS63.FniNX4YMR_fZzwxchtAMmwD52O8xVuyoTpfdrf6jyhqVOvTkmRIuBEy0NpGsdX_kfIJ3aCxNPjfq4IFW_Pbh8ImBzIF1YESP9vRm1jc_CXBJgvzWK.5Ro0_fuEaYnD1cpaPjde6ZPdum6xGZbEJhF7b68lelHOpMW3EkM68sOw0yDjz5uWDrobX8bT4t9wsdITuNbNdXCe18QQi9y7EACj874t3Bx_2SRtegnNiH6JWApmwu_mTh_J0VqF3QhLSHbjWE2rF3iu0ajTSJZ9q0D6_D.PsO7mMZCVwYKD03DO9P7dOyZem_wipw86ZlQm5ABJlpuu_ewh61hSJosC4hoCPvFOgMUK1pjFQX3KpNWlndm0nSa5oL9wX9WqPD75MgIm0NGrwu4NZ0fkfsQnnXtkkRs16sEoeqsOadxQGOCF3CliC6OOr2HYbHsiBoqa7owhk4s_QwQuWvkev84014Wze56PL.6br1EQHxv48154exuL5ygDAYiTvxlXG_GH8kGHyPHXPzmJzDyyVND8yMRrN_bIlwIJQODoXfFt0M9VN83qYj98k0PdpBvHvGLuiHMxyicmUg7USQsZZTwtemjrLasXTXDD_qnIxVy_wFwT7oiR2O5P0fRx164SIS5x0.SK1N1WtDYRD25u7FvVZtOjdwamz48x3EPGCS4zrRRSu1.fhVhl9BEREWwGwRVC2VSVOaiLXSfk.A6HYpUy2t4hvbghO1Op"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91100f133f09e5c1';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\/5348261790?__cf_chl_rt_tk=AxIwxF9E3vNA66_.DIdeF.yumce7iIrg5G.IKH0P2qk-1739399800-1.0.1.1-iX6QvTDjWntlLkcLFF4u80T4.DiDU5QCoQQzR3vWGuQ" + 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
