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-160950810127.mit-edu.top",cType: 'managed',cRay: '91079f770ba287ac',cH: 'Dj_KC2psVXkq2Ele0OSSfyldStgQaNeg2U.mrV8dpNA-1739311343-1.2.1.1-WSgAdDOJX_LcgVNqfqPeEhX5MOtHwZrRldVFsajeGLHCDiV_j5f9ilDCGruZ.O1z',cUPMDTk: "\/post\/5692031874?__cf_chl_tk=8BTjimfUNl5k2ZGglOqzjqaEBQmyAQLb1NhuYAUB5Mo-1739311343-1.0.1.1-w8AgvPrem3TG9PVyKbK9FSNx08zxLLCpuMKTSI1BPwg",cFPWv: 'g',cITimeS: '1739311343',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5692031874?__cf_chl_f_tk=8BTjimfUNl5k2ZGglOqzjqaEBQmyAQLb1NhuYAUB5Mo-1739311343-1.0.1.1-w8AgvPrem3TG9PVyKbK9FSNx08zxLLCpuMKTSI1BPwg",md: "jTv8yBphDByUkt29Zoiee.n6wdMAHu1Yb0N_s5X1QsE-1739311343-1.2.1.1-mlx2hIRQsKCb_uiKoHCzTSBpQc4954ArQYQgpbl.mO37.9u0LVhk5xYN2z9z.kDqQ_oeEJ0vR.Duy1pQdFS7J.S_Gegnbcold9BgY2lZke8Lzjcl_fvwXB7qogPGZku8CjGZ2TR3pKb.wtCLZOvTmFWtb0gcRHXThCwkRZu_Oa_S2pMGpiu_YSJ1T4MhilHJnCTE0DfO.SvV_cEK7hHEMaSwMe17pgYkpijHEN_r8dYqbwaEq.GUvQDBFQCle_.RIkc1uq0VcoS.PbHEI4rfvQts5YzeI20XdMwa4Oeg51lxvIItduJ2QBE3NTVJ9yTJ1pPvRo2AmkFI.LKbMiveVRew3rvK8R_CiMQEhJRWJRizY.1fUOCXNidPatSn63ndkhcj8VdLkocwMkzbSo6EYRtKMv28pCBPzU4dwnACzIVTeSSE9fpyns01ptACe3XnyNKZYRs74KSHguL9JPzxYRqax4QXZTeq5qsAGgOktDwxD.44DZ0P1wjbtPiyxxBaVAic0dr6FR.HyChtEiiutpMnkOra2.OfBS7ISHdhjli3a35N9_m7tDsfB33_96Ej.W2osJfjTXHpx.7tN8wUMQU_sC_J0t8uriSA1ZBqdPwRMOe5w1ZsHT6bAvaM6vL1dEJ2PmnRkMpIbRsOHpuqdbgBAzkK7ejWXrQ7nXEcvRnFfwcGE3FB7nRc6vrzk5nYpwPIs5h7vkMGBiwUelDoK_q9pWpViuKEQlQa3KTKwAQHReKQsSqv6DpIZbOv8xjXyycZckakxbU2tTG5KDTL1v3hj9EY09_PzQGwMP9.ez44wYDfzY_3gYRTl0ghy1oDPJwq6zT3xIlx9AfGjLmwtn5wQIM_tYEOKLa74fH2uHeD1FwIFAxjxRbf1w1b71QucihlFw4jhpjfzMPLgN98FJkOsPAFPkU.OOp42f37X.Hq5BrVU7LsrM_mPAaZZOM_VOz.Yk2M9lXsv9nMPS_TQsRNkMXHH243QhP54Pc.Iu0am6jBXuFP38CtvJKgeBfmXPrT07bDt8Je_kx.0zByi0NsXGotEqeaiIZP7nGpJA98jmiiq2jDNAZCRrlEFKRuzikXgholBstOn85_eivAStmta2vOjTcjPe2_8T.eOLFCsF5xOFGjnnl5HXBecd9_vrzTbVEeo5zzqo0s.IR9KucdAxlzRNapacLYHm.yE7qrRPkAzOsONUqxwAl9awq1_6IqIduWPCdPlDnKYfG_XpJFKrQotiKHJzjDkgr2bUt0upIrKTq2wTVai0WINu0lnl9sq7MhLEktME7yn8ubJJ9Lw0lU4TNX4ypQwgnhUZAHTS2EsGhX7R6MDKbZICiloW5cswagmP2Y.HiWQp2GCEXvu9Oz9VGbmv3SYKeV8rapn17qOj2AljW4Brk1l3h69rdQohMDAkrwewDilTbDGdoHtQX1Rd5Ki65cqyLFgb7KbqIv6xaC2TQ3CLFaap6FYHTHpYt.OU3QHQ7jZnka3757uOLg7kQRMpLFsHe41YCv31H_XzOOfN9pMxyDKUsXoH1nTGIBw2uArsmMtfAWZ9unQFgIN8lGwegNOS1ptUpqH5VauuqgPMtA.yWyHrZUNezwW92lDPlH4OPftjx399akmJ12uVE4z6zPoCyAGpW9Ddpt4qneelrJXLkSLTiGc_HPtjGNFIydmbKNP6i.vmRuFMfmu4meBd7LXOUL00_IVPlMMa1A6VJ3McphENwcHSKWtFVA5CFBL0JY7dQ_EhkMR8FgAy8K.gWYW6sT54.ndsV0Q9xaPIrlfOaPam7aBVcOG53wAVZJkbBO2YuHSuVc9c9xG.NSu.C1EJy.WeF6bxNIQt9LKbaQRo1.ul8CcJpW5ynTWIShfYXyX2p98.xvHv.JL8N0pG.m8srslKqlMWOeoxL1LlbnowdtFcoTr879lRjdVNRVfgg2Tn563Go7hOf_IX1.hAuIh5wPNZ_txYh9YwFKwat6OqfxkImCPheX6HYBiWoCcyhLxhH8cBQvUk4zj8nOZ6839KvBVmPC3zklrVrffwGAAUIpQ2df3hHPzaqt3EZ9LRcHqBC9chm_YVaDoAhPskkrKTf5FjD4FmAZsiys8zsAXK4J0GoT_4PTmvJ.Gi4BV3rvGiJ033O6zDAchUVXZZR1yqr3ctSy3XhEIXsk1tNoUYA.roRWDV.ZUXyYU3umtqRL.5vXhBvWOu0piI85Bk3VaRs7xdsQdTdrqdQhFWSS16W5x1uC",mdrd: "BNIbN5f2JRMIszj8DPAF8KUZ3hJcQ7UWEhWD9Ovn13Y-1739311343-1.2.1.1-xG4P7GETdKyE.lnhtATTRU1xrIU6B6Uo.gRTuaNfQdz3uL53ob7MzUvE5BbgTbWFdjBlZtDj_QtZ0ba5.U680EB59fNn_jt8da8jXmH3ks9IpyNmRggYVzr3UyaI1Fzxx5ZkhSjo8tYHpTZusuSDc1vomzimUpT7nl9Sk7vCyC00yIwBxZ4HStFIzsgK8987CmXLDarHppZPHcGYOalEEJEB.Mtl7F.rDfnxLoJW6z87sePHpZdswBjR3bTot7Mnz5D2COer0tJbuFZTy41LPU2uMkwGJpnC5D.lJ.o49xc2Gh9wRsxpL1XLDkiWmBgyaioLTBxgGVgMd7C8OiZKRKCq5MrF6h4hV4h6bs1qZ5VPgBS4B0yRXrgshxvwe7YgiV9K9yHCTRB26r5hdshc3jSlIxUVKy8.gxBwVdtAkaiHF9C5urFg1k8bi4zzCWBLc3KylfWRl4Kv6DXRtHaBUmxDmtqSyaJraMOAeah7BI1J24bFotDpipbcCqODsoI7CkUJfp7LlXojhcxymiIBE.KSWGjY6aa6aPn.MRxnjNNbhL26wrkfk1BkesErSf29U4E47GJ8LXvmMuXIIDUIoGvkwQYB_R0jmE6l2XiLUh.5IwgwNzjzqxj6kfBno0I9Iit574hvE5xYGwJ9q5qIUd1vJDsdZFxVSLTZv5FzNiwSTSFidXblHesflBnbKr56u7_KwcAZOxQuX0cFjkNDXNp4cerimR6I1Trxael8JoU1dQZaloyEJZ1idmZcJ9mJxmtAhD9iRn7ToIUNX5LsxO0GyToVENaMeHg6QcbTsqK3EjD5jHUhYyNuHHJ6arIM0TWET_YWNFggg_TF6mdHpNxAmBSsl.KZ5Nr67uAuOO_J549XJtSFhbZENlWC1t0m14Vzs8.Qhnwf28hn9_Xk0CF8V81qkanSBzokM4wZcHRzmP2sBk.vQTA.KWOjY4k0ZmqouDpV88MS0pF6rSrKujLy3AKOeMOMpO3wsE0GxslQkt1wQHorcQW_S7MoVAyEymCL9uePlFriFk8e2sDCr5MNG2c1M.GqXpPsDItSftKHfFaCv_T.5PfjRgrU2r145x4bBShWLc.12W16tma43qu0GPoCf_rokmXHHAuboou3Bd_LEKQnYQEiddnTbgiHhsfCmhT6ZPrQsbnMfL6O0zT7fV5E3k8Pr7yiUQ34XtAovYknumUOwj4G9rzIWpQE9dB5iPFzmO_uQk_lfP2he7a7skt.4jyIYpzHdE00jt80jNUwZIjElAFqWYrofzXB0izcSEetUjtHdvZvJOOwn6dyWKR.L2J8Aq8s9vs2B2tUNpLUudo7Us2XxO2HLtcutNlEkzRZ01lvfpO1pKYCYm3ZluhuyaxboG1aP.sYn_cm0.qHmfEk48xStTEyfNbKwDe4AA2iZ.h187hmXDQKw4oI70O7_4MArZYRIptX8BsDvSsLQ5wWrrBKpGJyW01uJIRPJwOzUktIzlAKNXEvZaFkFjxbLKOIdlpN2c1O.EO713BfqW7NFeEsBRa7ywu6VG3irYPBe2XhBQ5Cgcitvxgtx9F.BGZfEBWiPMOVUVh6mRHLa3aP1frdFovPOlBZ3bIgnL2hfUfXEXPQkefY4dvf5I7or7vHNE_GbvOZwBVKJ6Ttmd9ZuE1UeIerdR9RzBqmTcehzzcD8osdf8PiOLZ4M2Hr6u5lh9.yG43Bmw9_7QcGlq.C8Wp1bBADn.10zkuvkfiCQJze1k8xraBX4zB5Mg6qU79yRvzFQBQDj3ohCc2g83Ysxc6ERbx4cW9mYHiSqLqgT3TrGoHccJoiPg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91079f770ba287ac';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\/5692031874?__cf_chl_rt_tk=8BTjimfUNl5k2ZGglOqzjqaEBQmyAQLb1NhuYAUB5Mo-1739311343-1.0.1.1-w8AgvPrem3TG9PVyKbK9FSNx08zxLLCpuMKTSI1BPwg" + 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
