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-031900671494.mit-edu.top",cType: 'managed',cRay: '911058082fa7c97f',cH: 'reDCYz9bVcIXn4io9Ok4.EWW8G1mT1PDayaPd_CuYRE-1739402789-1.2.1.1-fv0hzvJCFdc2jwUF2nk_24cprt7LNEiI6WtaRgELbYXiFUVPC4ykmfEXgRA2Mfdt',cUPMDTk: "\/post\/6058793241?__cf_chl_tk=5JvQBJjzBFrtmYJZegPfyFKyIXPpyE6Elh8DGAZ4Q6o-1739402789-1.0.1.1-db0.dYEp6cIDBcDEXT21BB7vDHbqcbb2iyecCY1mhgA",cFPWv: 'b',cITimeS: '1739402789',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6058793241?__cf_chl_f_tk=5JvQBJjzBFrtmYJZegPfyFKyIXPpyE6Elh8DGAZ4Q6o-1739402789-1.0.1.1-db0.dYEp6cIDBcDEXT21BB7vDHbqcbb2iyecCY1mhgA",md: "tDsiwr0GrIe8hPXnjZu8YsqJdZsJYu7wU5GCc4tsCtc-1739402789-1.2.1.1-TYmkv0y26EnNF4QpU03QbTp6MOCj.4xRdJYwIQH3NODpuAbN0IfcLH1UkACT8jZkdFshPsNa81iu.J9561w.NRMLUnLf0H8HWyNYA1N_ERs1JE6sK6rRiMMcynMxQYkrJRVgMd5MHdrKJF7frigah5Lu0eENHWE4qCa3xzPbZqA7tcBOxYAD2vgOu7ougKEVAl25J2nNBaYF4oosEcmgHzIu0dc72AU1QZMfMm_w9QFF95MvgqlIXqK4ub5RhdWeE9zIlFRf9Qxm0eviSFI08yBAi9zwb5a4Ihr.KYbPInXMqrm3UYIb7TjYP3k2VEguSadASUb7wKSBgX1BDuBJxeaDSfa0D6pdDJsGL3QtqAb8GN_.ENPFO7cx4Ge205I_jfSDvHau3O4xjGhZrvwZqAqOyP5JeSWEB0_tpInghMUu2dFPHh90Q9BHfN_kn39XpkitGbIdj_KyGZHXT8jHpbiGL5d3VmxKv2jVq2dFzY9X.CweCj9jIry.pZf957DvCdQe.ueHF4USE1OFAva1h1c0gwZQHHR5XL49hXM6REiJU1TQFBY5noevo7usAhG33ojcUl25ZlK0iFKaTzPOHpXvzuVoMTFdcGc1D732ilLwqjSNR6A8GGSqbc1IoUrVi0G.HvD5lE.ZKRAMeLb31zVHQ4g8X76S7XGZERJ8iPf80mOTrUBQaE7J4Cqu2sWP3.V4LvUuV48ArtnMG87gAiLGUFqh1095zTBxe7BbyBulEa9nlp.aPvYR8oKekg0W4dp..vpykTJhX.8HQIIYnBQHXh0fqVgKbbyZpaz3i6ODvfPZtuZhKy8Ki2En_vvlDU.1wUYqt1zEhR0Qs_u2lXCPSAPWPdU2R7MGdDtXjsO5KMUOHxU8R2pZX6BMOsD3kadYYie0fxlWrEsh8lo6P.77ZhJdJd.oQ14sKa72HXFD73oO6cHZqE8qwKxR7YqnfR.yBJMKWWirrENdyy0SlHI6YLNZCcAwa4hYXUn4waAq4mD4kBqOicSDYWgDnqnzZmNc94Knbt8DB_MPr6V_uiTp0m1uRWWV42xz5J2Mas40XtiBVqaTy_AA10kGFq3XG0OrjjfkReDRsYxUr1mdQA2ZJloCnHgVYnUrtKlgqCLXWXIwK8Ct.f29.c85c_R1RShFRwop0h5FUWwTWBPF4kalNp9x3LLk_bYa1_cIB.lO0Ue_3ZhzNHGbIebA7vhCSKmkn.YCbLCO2nyuDa.HHE_Q9W40UsjR83prC21CzNyDCJcjrRj3cEndxbAZf0jycI2ChuRijEviIu3Boj.FMqdvy2wCEBbuH4JNmou4Bt5e9CvTuEHAiNN.QcutKBdr_a19sFdN4c4BF5_gGBOKI_a..2IMkjmELK5mH9Dx6Q6ZkMVaZfK5t6NMXU8GBCFzH.KTRjZYOzKSxFUzT4zuK48SJsta.kzxsWHEC.2qTdrxcbml3ftfCis712jW9_BiHilZvjbxd9hNfUv.Ykk_GWjdAQO0IRfLEIfzBgHUnh7AoC61NLThP.n9mPq_RK0iPJaOB6w.HJM5VChnE.3lCkfitwN3BMl5dWVDq.fIstT7rIkJI4ULtWixPxvfLh4OfzOsC53v4TDv38kbFgWWVemOifSKF8ZM97m9pFOxl29460ybXF5blMZ9WOkLupIUvJrtZ01BFTA640TvOxm_s406qWdiEw8tTmO35kX736DHMbYrqHhNIoOZ7dcuCZfI4f0p_dnHC0emTTysbH3ZMS8BeVXXJWb4_C4kYVMwQdVyfu7IpDBG.4HyiJhUKMlyIkqMvFDXwk9oeIpgXpy.zgK_K9nXme7tRQd.UI1KS59PPdkca0w_jWvszlm8Ug4jTFyNGM2Zo5yshT4m.pC5gRVi2qO9q7OE4shtVLv2m1qTTEfZi7Dy7opTtCHGUu1DXxZehkYE7IztaSFNJsI3xzLf71ST49pMlxP0zTzIRwrN29z_7lOkeHo93l7lcExfbJYCOXk9FEHIryYcuk9hMlfFw5mhJfJ9AiX0TGoXhIH4SDSvmwtBd3YgK9ZOcy.LoaoKkpz9zLb5bNsF.2tVaPBMIVPYrwX8xRco6QGQql95N2zZ.3lEtCRtjRV7Qh8PQ1PkgkjhqIQuPxX7WYlama3EtGaIpEbvCvFFihrASBXl6o5d7tleYnrRsl.l5YoBiLtuEPK_5ph2qpByMnhCaT4Xn7Om7DzSZSjDqroT61FujZ8OOnqUJrTBSJeMuN.S",mdrd: "btdXqjvbP8Tnr7zxolfw7WCQeHrfw2hQi5Tz9K_SHrY-1739402789-1.2.1.1-Pghr2TB68MUJNNkkmxzLD4R2vp_DF9T97wUjNmyAFSPuW6Md7aGk2SU6hbacAlxUq38HKULBLJuo5kSV5irlI3YB68mqihtxlSJMPVhKobidVWKlpnzqnJ.nCcQIGy8dmLdEHzlTpi6K71sgnkddtVQOnGivGHV_FeNfPxOQDVGj3I5wFT.6ZCmS4YEbtg6PgGXb4fS.DD6FerjTFr0gObdmUuzKRvtdAv_qyQ8wLwuKEP4wXQQ26ui3WLd9PnUgzbM0hL7bqyZu.Bo3x9gquHHqJgyl7Wxo6HOoyWcnxB9SKwQmo233Od33wai_FyQp4ZWMU8b58KGWGBIj8eTEOOvpFmlN8_jhd7EvNiuIszLM0Qyt3LgR0yQwz34O_yK_I6jC1YID3NYXovTDMvt13Gr9HLIl0FrmgLOm3Gp1JkWpqqRAry8MzIpUCtvza6iBLqPvym6KWnq4vlrhU8E49Ydk6zTL80ISe.jhxRLeddgGx9WrtpWgQjuat2yn30CGoBalWQEDbsu2HMnqiuloc7PzQqTPoSoAtJJfQ5QLUBNvL4VVCnev3rqcoRQr0EgOGftcHKg83JdXbNDZPrr5hkTS6nyyKpwf4byZ9rWfeCb1eGJ8arHUjpmR.hXIq3J_mQOTGSvMulPo4aNq5RlewCoI4meFyQLws0RyUwHk6aE9JrYwcxems2DMH.QmiaEEdy9hxf5meuFcRlUUBQ2TeLWBsfVXxnTSFBleua6fk7ObQrenzrApMgsI01psvi1LXZZfNa_hbXQr6NG3knA9KdAwlNJx3XbmzilURoYq_Q4CPCdrGVVLzSr6h4YFaZ5AlRCFJu4GMgVR4S4L3dStGtY4XEmKJeKrKVyxVk05y4dYUYx_UF0dTteyw7vmD9l5iLM21v53sY6BJ1a9phYXyhllXw9.biBLZPBMZyAFw0u9Z_lGERl9Lm_0VRlxEfmjU_RZ5jDm5pYKTEbVbBjAZvNIn76N_56r7bw5Kzoy0ECR8faHKTw2oOSm4._U39FTCr2.ThWUfJng5dRBNlF8ThjeyoeaZqHyKlCdgz.JUlE9SrHcHs5LlZh2SFpyVq2qZXlA_QWJD0mtNwx2nUVl7WGEORpDAwJ4KICSA1Bl7_QZIKhO32az3STLb4eBuAzmvvwy9TQ.N8yEVL2UX7L8uIhFEAPgx4pIvx8Sisn6K5o2_xNGKnGVI..tKRQJ.sFHbs.yGfuCS2ptgXuJWdGTvznUutRy._x4JrCP14otlvd1yVTjrGSEmhw8G2w8psKGfKSk0p1BcfBMZJhIyn08iBhZ6y4IzUY.LjkH4ocgFdw_X6cqRw_4T.LI_iM7QsvyaaWRQMb1ib0lOgoCLh_FitDeTHi60J3NANGJlfmoNR0eBQpdP9lG0B5lgMTjOQy4kRZTsHmi74adplZ2diVai3jOir.WoG9gx6T1BfcQya9YYZYr.1tvDqGzA06KHhceHQkG09lMCfFS_piB2Y85n6f7YMBOFiH2gBkB5RcKmlt3Ff5x2CVTispKvUFYG5kQZsBZsVMEA2OQhl0jQTeIU5cXenOaleqwJrJlyvrH6Za_TsFc8_asqoDn4DUFQJyobkzlJ_UvVjEuno75I0cBhbSWwF3.CJSZnvkbLFiC1OLF5gqSkSn3uEHvUwqxyR6091Zi8D3Gr9miKZsRKFw.ImRK6D98ESa1pRld2zRoj7UD7.VRgkiNW42I4rW1XKKlcKw8yLMeJgyanEZ.j.2U0.P1UgLb7bpnP9ZVEzXJhXqaOg0l1j_ayncfDTifi7xZAGVih2UacfV32IUfxJBRgC8kxJ1.itWX4hAfLhv3PCk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911058082fa7c97f';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\/6058793241?__cf_chl_rt_tk=5JvQBJjzBFrtmYJZegPfyFKyIXPpyE6Elh8DGAZ4Q6o-1739402789-1.0.1.1-db0.dYEp6cIDBcDEXT21BB7vDHbqcbb2iyecCY1mhgA" + 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