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-366465957318.mit-edu.top",cType: 'managed',cRay: '90f5f40acb1b07fa',cH: 'SsSAbQV1ruY3epn2xgnsBmXZnm0_WTOYGwaZROivstw-1739126063-1.2.1.1-psbhhTTHGj3ZDQlmQq2zAGsax00GFsBEn1uOHpmmtdOk.MCCuysbcVJ_UdKpbyxc',cUPMDTk: "\/post\/8296105743?__cf_chl_tk=oi3izVf88tMh2iQEo8xbfjeXstezc0AzaROA1ffHeB4-1739126063-1.0.1.1-RSkZgtCUNKCHfuxU173kw_OatRjsPm2yA6b.phDJIx0",cFPWv: 'g',cITimeS: '1739126063',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8296105743?__cf_chl_f_tk=oi3izVf88tMh2iQEo8xbfjeXstezc0AzaROA1ffHeB4-1739126063-1.0.1.1-RSkZgtCUNKCHfuxU173kw_OatRjsPm2yA6b.phDJIx0",md: "An5jIxnIVD1IeEFdTAd14F7PgTwvA7AbMQnemTgD6J8-1739126063-1.2.1.1-hqk7h6.UOQb85iaHj5bjQ2vLeV06RC1oPeaBAg792bCBoNJY7gnWaJ2_gxsYBHSCb26uP2xvSugOpSMKD7ZY6uR68ZpB0on7.W8MBf.efCFXevCeLpz1o5O7LPwQcFxdXGTiMmgu9CdPCIRJX3hHrNrgG2NzLb7SJ9xVU_0OuRl4vRLw9KkqdETPOxliok7HrHv8BvYS9wcAPbFml2YTySquRlvrLa9NU9IzxzJG.4BBvs560vP6T8BJm38K3pAtMoW9u6kjpETHnsqKykJrmvMenzSwRpm.rJmzTfiD4eYpJ60UIene54jqaBDns5PiB9UzhXRklzs0c.wstDElJxSR7BSWDiuL46AHLt82t8cgJSHNqwp0d8idBTp9WTvYUfclzgPFuAniPrBCDaGEYy_9c_cvRI40LH4iYjsqzrtw_jraSTnSJCL86PC_HxN5rD5JMRBTPxrhd9sJqZdiNIlmXdKAoobirnqeL5CZZypLb8nldy_jrISQ1l7MPRSqSZQM4XvTUKPiiTMDvxR0j4E9NqbP6hKx8Mn4WHuMW26eOkGtyD9qDFu7komYyKwx1pRZiNM_3WOe_O4zv5HgYjFhgwNSExiUipyrhK1u.NQIdViWp8GOmrqzsl65ZYjz41BsXPJxd0S.Q.L_ZfpBZr9bw82mkWy_bpRvEFC4mJHqYuaZl3ktyoR4dgDkbi_cnsb2QgbUnwGXv2e1d2vA5EQ9I1cIggT0GiU06YFERQPIGyfHrctE2.lKEFdd.mFGNo97O1TWQR7snGc1xBJnBF3WisiihVblmeQTeeFyWJtuTjVqtX262Ij10MmN9h9_l.jjUnyjHosFfXRvv1LTHkJvbtUaW.bnBcX4nk27XFFLsKHnj1NyvUQ1kOFrAyXZ_emhXzO3C3f2AOHqLUIKD175IbwTBIbSwxUNWPYGGrLIYQnRFWAcKiK8ydlErpmXeMiaKM67JICqCWMHlZGGin_GOgCIG9Z7RZgrisSAwPUe0_sbrQgBWqi8UdmWGhDsG56WfDRYbh53faU6vdQVz31pD.gn4pkvtsvxHP.LIE3B0CYtK3Rdty51x4pU6LcrVFl6gNqUQDErYdxvHNQ0cyEpBBrB_8QjGkiyySZEJFdmN.tL0D6nI3KuYnrioocCw8ov4acWEImP9nctAIgGAm9fNSgqhKmbOx.iFczJ5EheyBw1VC_j3RO0xwOBS02bbZv9iIXXJNjLL0xVdpoRxssKJbvBcGmIg4qNLBS4CH2m3VrI1AHRmu69SwfJFxKpmIDtMB1BFQ2qIgeL55CgOwXqPQ8Ny1NT5JbNClw90RE4ZqkQEcIbTFNW5PWETX2xeo_iodcxCpsek7n7yr7z6.0ul8tN9qAYQ8BiMgJNLzzZVq55Z_LMBblaZCdYuekMIjfjvAyf5uEaWdIQZmI2ZmQWh42FMyY5h8yTJgjUptKZ72.aefKeJfl3AHDKUEE1FDbEyzshVbVcGu0eXUaljaiBaTZoPTRu5bcSSxuBSihQT9cy2NJPEACwPxjM4K_ap9BE1YxQA.wE0HaLNuDafg6EXJ83A49lxdr9SjF4yVCJ79hwqZ_sb6ThIjRdzXBrUcx2l5SOAmOvZpVTEq1qGdyjJTN8f6HCoC_IDGH6ufxfVgV.IhZ8Oridbsq9Efgty8KWcTE_VcQNExTMB3C3JWDKs_p3IenU1iiERR5xeBIjuNJOXi60ZUzQlpESPBBhIarqu22BisZw8E33XI7Mz.12Opp1z.EHExvds2wz7oSuXNvJYeV1HvNH_iwSBkBfrUsrPvLWC2V7y5bhJ9Wjgj4SB8cbQSMr38vrP0.KdCNliixfEPy_ZRSp.PpY7uC3vHhk4E.fFuSVM2f5Y9r3tdNV7A7P1_XEEbUu9.1eztWmrFkqI1pDy8tjqnbSYYEAVGNQzfkDLNJOuthkX6r8383vzyIZlzlYIquN86QH951JVUEOaQnvetcI7STdyeDZa_lQfMQ6iv7EX5uFngt2i5UWiyQB9wt3ZO2pa3xwvOeyG5iiqUW9sTtvcM1PFyncqvOe8WHnqLxpSWoANHWJGbPU9AfwQmA4wN3VtQf.FDN5Zcmf5ocX0z362aalvh4x9kv.csKI.gQmFoSIRX01iJVVarN6.Pu9NusifpYy5Cv.CWQaA5tvEu_5ZTDCIrEFlz6V3he5NoZsRVi1UKiMUJTUydRUOX.hlpbjwlPZP.lbnHtT6e7S8aY8TgZNEdBW",mdrd: "J.YVbyTKUc9j2ObbHCRMjXS3_XN4AZZNiVP7acCPw9I-1739126063-1.2.1.1-4aTRCN7hqNK_ZhyYGOAKhchJaBWqZYHgedg1ne08q6vWCO3bRSu8xmhDSVaAjXw7kiYTzsme28gS4Gqbk59p5NO9ghfHapvn2ICyY.Pbp3Wud.etdr2TeIAazf4loPZmQk28SC3TgSMTYVqZoPjouj0FwFDZ9cKXG.Yup5ZmXSmOPsJnQFw3jg0xpn5awoV1wDeMVXWlJ5TJ074saS9XyDwYcIIT1xLMyXFR4vaZn9N_AC2BhC820BQ7HfypyUjJNJuLD6sGw5RzYMi5xocGtb39el6F3gdb2c1p8EZltQDQneINiTzPsj9BzxyXMUN66PKlnMWfSe9jVcAZe2uF58LcAB9pAr_SZQ8niDfHJ4p4mBqNQtCKqg8kDUCjjOFp3LFfPoNsUQVwOkaDeXH8LqCHc_NmqGDNJ8ipEL69JtlbHlGNH1z0v.WblvFZl00vLC0VPxjhx2dAdRaABDaH9LGPYbJuy5J.A8tQ4OdF9m03nZ5U2bRuUmcSCjsX6z5ibKaQcDG5xCZoZiLDn1ymhhNyV6iamxhTt4_sS2hElcUXBSTxa5TPLY1Vrv3TF4bRhezGRVLDGANxePfJvhPAzUDG59KvfemMuhz5RdXpjRHjRWXcTjY.iNl75sVYu8LH9Lpj6eIEIH2SmAW7a6fdaVYjTkTEjz1JfRR7NHAL.Flqxg4UQeIW6XVJ5MJ3qA.DNz63A1Eb66GHX2RnqKTyM10i3CBq8Fohihz2ZmtVNWTKdQnsP3.hUENhNakWJSYSyP0tV2mAXTYpFu4ilfL_CaVPnAD0CqBwrgy4MHj4ZJbo7NDDAEDlq8ej_6imOhShUpCTOCse0nFAbUQ5hMdyohBjc9UvmBbDy8zQt68L0SdfU04NlLM.nttTfRIe.k6kB7u.bjpPyN7gAuaPnW_6IKnd3lFv8WmUvVvteDg4MXu_6m9lARIWl49MDzFkBisHTAAHPaL0wr45i5E9q09kylnvz3cJpO_F26LAzoq67txGwX9aUSsJ0dSKcHcQrp8VRzd_GwD857fG9VatesygULnaCVT4BV_uGZpWJbIjBa3mrfSfSGnIxL_B4oEp4FSsFszGwTYp2Q48ELSMpxjQosJLJxIQWUHSLKXFpEdq.6OlrnKg9Ch2fUqMKmN3Zeq8CqrNHR2jugSNdwPGgW_oKfGnkByeDTWGq73lo1TSpSgzcdbR3rQNmJN2DHA1UOCN1hmCLSoz1oAll8mKb53HTlk_e9lQoG0ILFg8B_HdKmEoJOXyk.9qdjwBQDUUC5ZVbPuUWo2LdTYtYNX5lB_u_6ghI_qcoIHvsIGCVHymFxuSDutKeKV79t.6VY3xlnX_fXigjyxRFzuvziM5v8UCntIo3PJNdhxAIB.4zOB_vOYEwwW6W9psg8x.1b2PhYmwA0PPjpQHC5fa1xMMQwVDdx69bKgtKo3gSN0ylXOUT3RxRWsPMGQwAVHwjN0MKTFOZE8H3Z6tjl_IJcKltYMGwZdsWLN1FC6i4UXIhVtyfT9shACbOjcSig8VUrscyRQPffD2ocgLK1iP7z6oZMWWEPC_C68mjHxmK8AEtRI3AYgYS0YSAXzyD1pI.9ay7KbgUbTB5F1HfZcQXzlHLlMusydlJltElR9NApYQ2NilLw7HYVUKNSKsxg7H2BwHvoQcQv73BQ7TH_ieTy5tBUS7zasG3L1DRXirEstOd26P3zx8TMmmaaNpd6Gm7u90qP0bhh2oXncYFKjGi.LpFS6hTwp.zCEwRjb6R.Kn1fvBGPjQndcM7UZm9V37BIc3p4h6hM2PQ9I97xGXkbU5BUd0OJoLv5atyJ1Mr3Oo9L0roA4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f40acb1b07fa';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\/8296105743?__cf_chl_rt_tk=oi3izVf88tMh2iQEo8xbfjeXstezc0AzaROA1ffHeB4-1739126063-1.0.1.1-RSkZgtCUNKCHfuxU173kw_OatRjsPm2yA6b.phDJIx0" + 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