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-448222847209.mit-edu.top",cType: 'managed',cRay: '9110c7a108aa7fd5',cH: '4etMCwo2c.rERGwRTzfHLJdWJIQF0UKOgg4zUrrOcQg-1739407360-1.2.1.1-rpwlCDhsWvJh6Nz7h5JIf.eRlCj2GocB4qB.iA31Ow7aPCA2YrGoDnyFn8iYNYHo',cUPMDTk: "\/post\/0247359861?__cf_chl_tk=HKYqOMGiWAKdHJ_kF1tNe9MYySR3wSXqFnUubaZqR4M-1739407360-1.0.1.1-f1cj1vzDdCI3G01GrPCA1eSdFg_knx29ei47eGwVYbM",cFPWv: 'b',cITimeS: '1739407360',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0247359861?__cf_chl_f_tk=HKYqOMGiWAKdHJ_kF1tNe9MYySR3wSXqFnUubaZqR4M-1739407360-1.0.1.1-f1cj1vzDdCI3G01GrPCA1eSdFg_knx29ei47eGwVYbM",md: "FAnj9VctNLRkH_UHlr1J_Zbb.08ZOIRyYxhNljoyEb8-1739407360-1.2.1.1-Z7wq_hmDI_A88TUujrDCtATJ0T5.3UtdQX2eCQUwmA2jiRNhZRzfzGhOXh1hbfvCGFMT7gIQNaSNeUb27MpdFrBnO94UIOnLI9CPxRNgu6mOnXdcsYd5yvwjoTmuTYg4.XHIwzWkvSPDeCCt2sX52tBSg5ey3QTWNG5rU0qmgJoeldHw2j1OpSroQxVHrh.eHvmivz0Suq_Clh3gsg0lJHfL.y.dJzboC5MfnFzJqlgQB2N1384xvIDpUr05SjH97PEmsglK08h0OdV6gZIATvB44sI9l3jjbgCeu80exWMqgegQ575g4bFcArChucorGpXhIlwn7HGbN6Qi63cBlOdKD5muO0Yuc0non1QBQyX9KMBlwFmCNK712xuPYme2IrKjTnyeKoLAOTEQH1I_XHVPtXFv8hYfIHTfxzl05Eg_y.fLspaUI4lAEOnfamJl3Wk2V3YRaNmT9FeYDJeLYcaK_d4_cbuX0vyG.3q4KVXmJ.gGX5PKEGDYgQYjiXFPzLrX2w4LGq75Bpa.l0wUP_k4uKGxO_jYGxl3UPo1O4y2ZuOEefGz1VXW7jaP6IxWNyx8bayxFILPiXsblcwI_xFlV0NuIzkvZJudke3.I12.bsalIu16pPBerSXUbr880zLPIEp3nFmPvMwNVs2qydrhlTYFZSI3BV6mIMnj6YJ.1Yye5RlVvWKwUuBaGgwNqgdKkg1b1QazvxF4r.7kC76aA6HzxxTHQaVHStgCHHxCyxEWwPJ0HTbx.evtkXAAh.BnmcDFSK1.2KoYVaG4fpI1P9iaAK_W1X_v0li1pgBCUrP7jcP8ivBC2_xRObQzP.RuyhYvUR8ubSkDPrd0PsdFPJ47qprStk5ryRQI5LOw8cUKkfUZyTRoAvYm4gvDFeSOfwF2Y5WWlYkGcuyZ2EmNVy20oP3n6ODf5nU.HznSsHGEPfSH9KYPubKzZ9I2p_VF7GFB8UfPhQJQIyMfav9fHq6.8cd_UFkOO6XLodGyTDqGpU_P1_jEjlVL.VNalwr2Ml.gfHamYDl0RAhdk1Z1H40DR23I64cfkOBoUf4NwoWsY8tYAXGzane0Y78mCAXgy_5TkSeY5legOqonz2iZy0rpGva7rfppGR7jP8xweZoNzHCHCVaS1xiC6F4uLdrnR7EY_whQN0KcydRJB7fDQ0ZtnR.HeO3xuzHcNfmK_ybWmUUjOeQgqGBoEjogQSwPcMmIhx97CRT5TNOQgCCxCHpigLD9r2fk1PaRNq9cZdEi51fjvj3WHPLb7l6MhCh0YAFEXoYrDjl1F93tWsR94qRk2x1YhABIzIBKNqJf.UCToBd.QD3o7yTHZqMLZkre8SGhDJkqd3_RWqb..jHSRP_UT3rr4f2xPjU2XZu0geg1eGpH_YcB2ysSksnZ8MysXeaOPVi8dgjatSAsTS9tIfCR6a0QSDbL6rsY5kyagxtxYcxYAJroekR2ujnvmQtPaNeWDVzhDqHW4unNskgwy4arUuLrdhBdtpkzv7pzvfCEr1ylQtXpeABWXJSD1Bzy4uHqrloHDJh8wTxmPlsUlnG8xhC9HMm81Ri7HEraZW2rKbho3dvHNi7LhobTyjXGIxdhYclDDGfxXDdr3aFFXEPBIKBTbHy68wq8jdggbSN1oNyvHB3LindQYT8Gk9Ef1SQO16rPk8DyQod8SXY6oPjpuLs12_RGwoSu9ILuRCsKtiZpSISQpV3jCe4s1PXBhj9JUXQotmw64bUIM6uUSAd3DLBE5N8oxD1nYiZnyxGGYi.VuB0JZk3Fkw7UCXVcFIELIkpDGL1ZLoh7NXVai_OLVGhWP33ZxYZMvAC_ReKfuGhF7uMKZwcRLoqhxescPP7Ehmneh_Q56s0pgtReHw88.xxcnLC5TeKHPoWqT11D1A5FwM0ccJ6feIX_CQjQlUwymHO9npHuIW2GEc2ex6FOS2k0JSAf9R8Yt8rjUUq14MP44VrW3VHqunbnN5H21UMp8Rn__kCQi32e3lGTCO5rsPfBnNI1CNYrV5m5jsNgLBi.KoWsk0mTMuprpoeJ6piUhMdPiaLoDhoqn0dASzG57AHWNduNs9xJByEypfbODUqQfT7nkG5n8_RgVQCwfUHMvnsncvXgzAZBwe5aml4Lc_vaLkshNY9kRZ5pP7hgfxzOLTdixHKKp05_IbMajb9x727GMPWHDxUJt.beMKIVJE5LMlgyQjVZUhJ2rMGd3bQXRsfZshT5hdMA",mdrd: "SacHKLlAOsVPOOvDx8IAAH.HHIfFg_0fs_H5e4_GT9g-1739407360-1.2.1.1-DL4SRu8yUr1AXIwdZgVH3wbBKT7FAA5Kujv.O.SfF9YSvyuVwz_NHv1hD44VYFDR96mnfoR.fVasL2ZLCdmzilaW5.R3dql0qjmdVqgsTEKD1d1AawxWzorMwNz7..wO.7d9JYC_9B0aipWwgNSthQW.BH47irqXgjALteJzvrXlLE9vGFtxjda_AJ8o7ITPcIZjmvSL54JaIBRrvYTyj7di5SLyKlkL.sXWvFOuUUl4jED2jBQ23Hl4QUs2Xdn63QW90dDb33v.H7CKXJeooeu2HzQT2LLBovk2lEf0yIfIZw8hrS91z6BB1LLHonIOl1sehDjKgewb8d4SqmN_jG86GAUk2hELv1UziwG.4H7y8laQsBD0NM59EBnTFJyL0e58JNfLJPjlhWWK9UAWqxS1SJfpAn0MO_UJtz4LcuWtrHTXSucJcBV8hL_0KcMagrAnwOq.pgQlU0IhDdaJCeq6RTz2znmyp5hqUEkTx4L3i3yvB5cIAFvffyJniedbzFWKIUs2qeqI0PM_nGZFx.UENsryWco55EPod9t1TBZs1Lo9SJhgCATXsKIVu1TcSqXQ1M22jUGxKCwNq.IUQJ8Br1JpcvGXuy8lDsgXOS1RJnwjBmPmQpQLi.Vbmc4LgIfV6Owiml0R29TXKv1tsX1p1gWnLqlr7KzhmXF7y4jMd4yH8QhYmbiAB0.HZVpOM35TxF1PC2Gm1Ord65YIh5nDjP3Kg7snGdKBVqL32omKKFAieS.5ey.3vWkHY0PHqjHyn8E9ZAn_mET39Q_.5vW.KjJtlZ93i9ikVfFxdAmau5MJclwZoVrjf0Az9VmQbLfyXcAWanWYcdNpONd6ygSRSsVQ7f2OfYwwXPpZ4sQj828FgfmBGydR8TbycaKUZIVm_leLfHA46YJltZFHhoMXetBLFxErCdux64Znp1y7OfPG2mD8AYLnmci8HejIdzvcOgZs1nD0wtDkv8YZ6HRk.mbGP8EaQijWwjOHGo1N1a_GSBpl4W0qa.rrFRAp1gy5vw8d5zZfjsQFqT1I7xAdGqUj31mjQCgXppY99VeZAEwzkeYk6R_kSBev691l85XQ2c7nc6gc8UfdB9GZKMvkAdYRKKsZ5FWJUY6r3sNom_phPIHZ7zlXah7ypqo4dI5mMn0AqqqtWW.C6j5heOHduEjs.iLM45.mfGO2GFoae.sDL3SKUkKPPQdzw2OghC68BX4l05Rzncn_nMeCT9Ie4wPDolA59ww9u1rNZS8FF2kpiNaCIim4buruK9hoD78VsvOdz4ktFEeSulS2sTjAzlpojouBm07N2goIF2jX.I0cEUbTjEFhWwEKONUI7nrKZeB7VH_8d3dVuHfk202s4OBp7LtyplOpfShj1AZuCzwjJ6tmU4AKgu_Xvv4fpsiV76IAxCkJttBy6kIxdqz.puDTjWUcGzy_vXwGO.JMQ5gxcdgbP4laVjvhJilbQ4Sf.ck0FkW89Bidj9Lzb.eg4QAl8OXUB2gphXA03zE2doBYEntBVmqtDXfqqN3wSqpo8Ep0qN.l6uZB6EColdg8Xf743GGaEKPABsg88x7XFmcxpS04VeQ0g6L58ng59g.jTCKcKl7MKwOd_eDdXGD.5Ga496DRtkMyLo9EqzmE3OfTkIloijYvm0PH0qxeLkXwd2iVu0enDW.T6IVLiqyIlvR1jve0uDueYPxwIJ.ryvjgSRnPcCIhSlzOs1bT_WFyoFwg_e9w_QkI7KfC._EfvvH1Fdn8Hi0ykfqR_nuQAqGUqDPgwNAUfD.nWWjAUZyFglNxlLYh35PxvASODUAIF5LdHiD4sbNf_kkwu44"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c7a108aa7fd5';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\/0247359861?__cf_chl_rt_tk=HKYqOMGiWAKdHJ_kF1tNe9MYySR3wSXqFnUubaZqR4M-1739407360-1.0.1.1-f1cj1vzDdCI3G01GrPCA1eSdFg_knx29ei47eGwVYbM" + 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
