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-aff8rsxw5.mit-edu.top",cType: 'managed',cRay: '90f496f7da625a4c',cH: 'mfdqtbB73vcRhkZVP_NzErXpxLMBjuEQexWeU3RvHL4-1739111765-1.2.1.1-rS6CXqGZ.6r.qf5zpdKlMIA.FIZWnZbykKV1sIo5tn4XmPfGggZmrwS58dsW2dsr',cUPMDTk: "\/post\/5134609782?__cf_chl_tk=SUjuCV9AD53wWR2cbRPWj_nSZ5jrqd9sxoSRVVebbk0-1739111765-1.0.1.1-E00eSBrUSd.F58sGapsYuZK46HWD0_5osiXCLqGPqJc",cFPWv: 'g',cITimeS: '1739111765',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5134609782?__cf_chl_f_tk=SUjuCV9AD53wWR2cbRPWj_nSZ5jrqd9sxoSRVVebbk0-1739111765-1.0.1.1-E00eSBrUSd.F58sGapsYuZK46HWD0_5osiXCLqGPqJc",md: ".ShA5AIksk0tjIfysHkmdqxgbvkoZgMnIJdvMp.plcc-1739111765-1.2.1.1-t9yg_9f4rlrYSRyAJ9bt43Zew.pfzBAcO2k5Vzdy7l7P75XNjz1UuZvUIBeD0KwZ6G.JYsTQUJyrM4eHcjdRXYlhrJa45LnJWOI2ngoArxaJmGCcdzSsM70LzX9iGSMDW3Oa4LVpgl2Ogm.T3J.3fkDj1nxKgRyBOO06pa50bhVXfYt_IZzFCHm77LVRE91rePq8sXBkW7X9SbT1P9sQEqtSnC4E8wRnGbY6hfUhAve9Gu_tA204wz1pIvKGHZVD3BUvgBuisFEwKJKWwt8cVB0Ws3rpOikutq9h5VP9SuYpZJbPxt4y_9Tt3XYpD6K28zMsTaFTZKBxgXuwA668kECdzUfQ6OSjVywJG_C0nI5bLfxiTkqLAmplnsu1HuO1rT5rNN2zBpBPrjrkDRMXth8OP3mojZT8cALaFhXWdQ2PuxWZdRrdHjAdLNMrZM4SJKRwIpo9HZLDeXSfzYUoPK4vNkq1.OZYYQR7A9LNxcZi6Y5FKxyocV0X14IAxxiesjjSOm.2ahlu5834GRc2aPmrUG5KALd2an7XLD1tnXDSI_3Ap_bk12J6d4nDtCkN9pNJmEMbpPU5X3TuRHGX9sIvM5q5OqobmW5C3xwL77q3i10gFPR06Ya855FOV3vSKtvAMWEMzze40t6pUfXho40kaebomZRXhuug1kaZxkVhFunLWKdro_DmMaH9IaJa2vjSedMXNHIgJ0te68o505L6QY5PeMMOeJlsoXvyKw5qpwSlh9R6ZwoFNP8oNFSRBZBUWMvbkR_XYmTR8qxi0Jy7GdkojmgilxghS9MM7.hHjVMjKwBOMZ6Vp7KBMKQT2UGnU5cWzqRYqj2vQWHeesnUr9y975fB6wHwrOIaq3JUt.zQEBrsDLL5JxE3z4DNZdJsVrAzbqppsjt8Y4obMt.ubmwE4hTeL4rvooB.Hw7yDFEQ34VUeijZlKvAqFMrnuc16_irQ9VB.2ei1wDMrPcO_d_d6nrOaRJx9Fg0V4jWOqjoaHGP82NtjQALT4mFa9vQ0XsjE_CsfOctLSS8xJJSS04tATFT7RH4Da818PpCRAXLki_uJv7tGOXjPFYstj3lUrKwQWi9MpnFA6TeqVLpQdOGOEetzcRw55acO_0ycnzFtLfhbnFV2wggFi3lWn2Ioroffd3gqD.cGB1pr8YRwygfBe0k2JeRIyCGTgly3cGRXfhqmjpO0dIwGl1RcOIejRl12F7m9Jmh3kqiQIogHs.RZSO_lMKcsA76N41ZW0m81vaekPc3Nv7NrxANhVDd00e.3xkEpYdP_M.u_Zf5wfQKl7Z63QGPEcdOOTxOEBBmAMx424c0Gr4L5zStS.iNBK1oZTFdUWpl9tqLvrdbzovDJYi_wQJVD6sUa1TJ1w5DyHT52TC7KovIyJ1M6g2_Zs.9pq8xqP.bLxBRew2.usxKOVnS6LVBMvO3OHWFndiYeCFnPHYmHjlDAZlB7Po1pwHO7L_cuBlEtMdrRSVRJDzV0WP0h1i6iuCPKeide2_82_.OHPJgbw6BLQ.S_z0SAMHWzTcusGH9BcIsviJKrPHEo35eddwz1JhZyur0tVTfCrO_YGqj1FbT7RRUcLhoD.EeOyWVNItRxiZ8Nt4Eq0qHypwMH3OQyRVPhzlxKttFR6pR0EkaPRi_iuZmKIAyyWCc5neEc6wEcKLxS3IjBqdYvmu.pO8j1QpVLnNILETk0RTOos26tjIqm8RtYs.eXeGYVBkuRFHFcn1XtoBHBdJKt52DU.ieDtI8SEoTHl6d6TUEjWCipEZb5eTrvhS2SkXJADtu1t7QkLhCBcykJJJ63y4uYnXFSlvOnQArFKdjXaAgXMXPW2aS7RlLm_ijNLv5fVLRmsu46BTkdvzl.Aue0bXDCR87JnaGI.BmclcluxkpqMfDk9.RQuH4jsHrSXNBSk7NOFS6r7BAA9_NNCogGuqBEmETnZIKegGwab9jC8.q2GoljsPsNXHmjbx.hzGs4sekv4ErHPH1Gm4b0KBAius._BxE3O7UeBhSBIs.w.l1pY_AAoDYxgpv5yQ.ORygvTehOnb9oPFaWf7bafJ8nBfeVFnf7rIiSiX_qSDRrrSTUC2Jz2FolzAWQyci4OYaqXIF3yaF3ibbbpvP.VvKpVTl22qqfFPH1xyvC2Pz0NSjsEb4XauzgNVwbmYjT1upSceiqloLdy.cSBs1fGHLjJTf2_JaJkSZnetRjWq4fkygKKZ37Vr_f_W.",mdrd: "16SLYOkTdOk8N9NIe7EUxsZQpVewo.qGiFocck0uQZw-1739111765-1.2.1.1-PI11GlpzCj2m0.MCkbpNqQZ_V5KpIa8deX4voxGyXOV9xMQph_0ZG8J8TbPKLmL7ghrlBxlJTwv.5T6TM_.50AuCMTpyof6yBxgwdii_y2ZaimHc150r5XCKvio2cuYEA6vrzQvehZc6IL8gE30dlQH4.1hAo2bNoIU3l8idBeqeV4msnHyz0eZ7OWGh6wRZCPfOUMo0vhRDGUcl_XBhkV3kzHyzeN16qc8TVMI6EAJl0uLryK6Ak88xkXLrXng.XPE1hgQC9TFgr7VYj.ZatIIgzzsEmidm8YYztbBotA8.kX_Rpj_c39R7YeVGJlcERa2TaDbSsgbOOpUZBdiHQ14OUgStuMGhEc4UaWDR0i6epdWdRmbfkUeG0t.X5jEN1_6R32lc85.gCbVbh9AH_6q8j78QBU6u6PFx9RnnZazNwSC5isP6SFA316fAWdsfLAsLidxaO_QSxFFCr6cwpIKAMBCUTgfaWxkYyKUajk9t9IsCkZhO9sOV6V.NPJEcgOwWjqYCbJPi5o_6bykiJMOjBrepkw1FiK9c3pg5ZLs3HPyp7vkdg6rvG68p5w77P8NttGF9YVx6JCczM2XXm2fqQHOyiCTOdjpoQ.eKUlSWKyWSWgQUdGA4RW6KpzMdAjWHtIVQWwjt_KJED2ucEhxvPLZn9TwuILkl.KomHpsknQTW2JXpFoeTfKJo2h7jnrxRk4m_.9n.G40e1J56.z07X_hCXQr..w63s0O9WiQY66ut2tpOVRIvN9bB8vH2Dmu9T_rTGeK78p3rDQCACCKjnNZa1JckiQnTS7sXxsGVKVezHj7bqja2.YN.fwFB_5SSk.571F2sUjKQYPwg.12z7jeUSuPsMMUsEhWhJHvag2_iTW7eVZybim8rJqTxG3s78A4.jW0cD6uYp7N0uqEo9n9LgQwlM2elDfjGfsD6EPFIu9de956FMeN_9FPV3I64L9lIDbHjoMNME5CQ8NY5BbKRvlgSSir8fyQMeAMVsFbK7Dd5BZDlHDYgtCyzYpuM2G91rL0vP5P.rdxgNBt5pQdNommBTwBwyeUf0WwfP4LRcQRXAHsAniOAdNdxNWDflb8SylYIU0W2OOOT7.lR3JAu_o0pHzmeU7_N1dfckI9Jl4o4ssuEy53Ftt5k_fyOMPgxD37Yf4v.NPQTPSRa4SD3VTBDRoEHHngGKBFJWIG4ef44JpA3UcOMHQG0H.N_Ri2T6uO1Xdby.95MIIbomghXy_aHlciC3kqPC_H0X9iIiyiZj.qfXqH2v9X2rc7NP12JBG8zfW2wVbR_u1OjEWatAX7H8Bo17BVO.GUGa2uS8Ynipc3S4u52dnoAgjjvfafPmXmLMUoeOWlDI1XtZh8lcEkW0EmWiK_FzIxXeusBlDHIaun6bH.8v_07deHfvECXy7p7xkDm6vExSm0qiYqdDQxA429chCKv5VAZTv00lR32vkgJg2nmb.GxDO1lpFmofColWGKI8m16oaO0O9pZO0vr1191N.WTKvTn9edJntjmKpj3f_Z7DJ7k3Wl4_oryLJXBdLpsrl0gYsBc42VVK0damNX1BJa5ZdmKZEqXSbxtcJDUPUiuTFZVsMxpUt0.wXEqbRsOefE4FlzQnZU16x0vaHcriD.cLIGbUVqhDNlYt4aqpikGVOLUhkMc76P2j9DENzrb759Yv1vfmuOgWZzvXhAP_lfHXBIW_wpAFtBtqZ6tWgEce.DH04xEgCKy2rnOXORWDvR.5C2I1D9wF35oy6BxdAyeqdTJcoZlzzHoWt1YmHviLzBNmfKwtSclVO7ZvuLZLV8OCGsWDsU_y_t0XsmFn65.m_c"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f496f7da625a4c';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\/5134609782?__cf_chl_rt_tk=SUjuCV9AD53wWR2cbRPWj_nSZ5jrqd9sxoSRVVebbk0-1739111765-1.0.1.1-E00eSBrUSd.F58sGapsYuZK46HWD0_5osiXCLqGPqJc" + 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