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-173404596956.mit-edu.top",cType: 'managed',cRay: '91103dae3b40d678',cH: 'DmgaMFpxZViWmMLuoZXSa4ydU9Bz.2yO5TZ2gvR6f0Q-1739401709-1.2.1.1-HipBhyJbXA7RbgBhisknBcdJussL.hmRWKu14uP54JESOcxLIfsWmsJE91ulmEnd',cUPMDTk: "\/post\/3087129564?__cf_chl_tk=VdtP_205Yjb1VcgJJgIwiUjlmVrudqmvSprijQF00m4-1739401709-1.0.1.1-tjS56BYiBSGOTl.DPUetlH3zKBE.y_3hinHcGTCP_zE",cFPWv: 'b',cITimeS: '1739401709',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3087129564?__cf_chl_f_tk=VdtP_205Yjb1VcgJJgIwiUjlmVrudqmvSprijQF00m4-1739401709-1.0.1.1-tjS56BYiBSGOTl.DPUetlH3zKBE.y_3hinHcGTCP_zE",md: "caswMEnJs8EABce2oExVjviUZ.Y3Wc8Ld4gN.RIzlOU-1739401709-1.2.1.1-y5g_Cecx58XRKV.hlkVn3WIIukbNdPt0N.tF3LkUH8Sv1YqTv8H965PMPd79KE7clPvqDtBvYPg6TiCtsx2ZR4ZRYmjP0B585npwRliV9sUd9xNVxg1EcImy0wG_c7dxFNznPU8jFg1PEEUTe.bru6HUKssR_uZWq76BNzztPzoKijT4W6n6TIqaDbiG_HANPEI25LjikA4nPEXQ8XmoGFAKzbzMFAjpBmoW7MKLfAZySCjWMRMg8bi9P6YVIUfVhA4TTLh1UKEXxKL6eYIJXeL33HUYO9pIVjUAxOyq8vVME3ecgS0iKW_QMwNeVWvuqudh27PcpR2BnxQHYQ4QhW53e0IqMULxYxWNLFYhtO14QkuajFY070ozFm6ZAwDX5Vi6BTnctuMV0trA8WJCUpVbK2OxqOEVbSmD.v1iME1eT8nFUY_Z5PAcZiHsrCnuY8g6USjaSDSXz3yMr3AJWD5dbnrw0Ejc4w8Ubwr1MkviV31tgU3Hm_MCqP4IeS5juQsW4pSgYDeVbygSSvIMsxra.YlJ93rQzLxYTSuMO6WI0ph4X4cu_lNg.kzZY1d086AnKp6O3TWbHQ_S2M0k8QybIBqkkn.CT74BeSHI.5.De.ofyS5r0W9V4TB75rL7aqeOeQgJHCB67gA2lNZgl0m76JVUQHxrappnkWvRfUwgBOI5GNn1Fva1.9E3OZlwGDxbmAXFQWYNc4sK2kG4lIuxd4B6vjHkokza77K8WYo4xqUNCSfoH2ifRtt3ozumaR7YIbxx6p_9FFX9P71QOdxSCQDXOWcqpXuMV2aomClwkUfZ7CZMNn8Uediokp_ZBqCuahU2Muij18kNLUFcQ0edDYu1T6SD3KTURB_jFzRZFljDM9dqphFLa4UKffG7EPJSutuGUV64c4xi3ClSDSgddK0fg73hKmf7o.KxBvc7SqkQY1TlL.NlkfXqsyg26bYHLdXxLE4HWuUv4nWZehzkBttPcGWn2SAD5SWQbbhBfIAhl52vtAa5uHg76rjoUUWmqk6FadtRcVc7Pr1x6k10zbFJ_2MOXqhleV3FzF3cnWIljpGQOqqCAK5CUmsmMTc83AhLqevMxnLP60Diteo8_tvM4KNrxi3dIWhzHNgey2FZo8TbFu1S8jNzfW8_XZit0xKZdeuyKERZRdyPNc2cEmYhyQ0F2s2s3hJctkaEIxmmsP29DMtRFyX1wRJUIbb1_qCrx_NQytfFB4kCahPM4YNH97pel5HDr0IykTYqR9TJBrmEbTHoaUX5d3byCNsDeJX1MZfNWpJH9NhkFpIWEt8Vr1Hx1LJNAvrfiQxIah1CTI3MIoySNSLZg4C0Rq6E76QR2.gekV6vvEJ32JQJMwxxAyQnBdkTwMinjE8YdwioLf1b.I36q8vBBX7ICGFvMHSwE5TNi6G0SmAR_JuO6krBPVNF8q.floQvPx0N242RzhbWdblkh5iI38QradhgLHwac2xyQYq9jJnb6wg6c4UCi3Q6dJgazByb9LiW_.N3fB6c01cpPegds_wghHUMq2Qg4Vw_Bro2262_oX.gYf.V9d_heqYp8rRQBIKw.0Wjzs5JxOHFqAB4UAXgddC7jZ8CmCu1x63lwgsgQShjdhJDqOkaMrPKX9tudi0_GZW3ujpr_TUzb6DTk6EXMwC7Z21Jw3fzTJ5jPDWYFt30pS5q3dQARzPCliEFtT_P9PQoxxEG_Z.7AItZdI06mY9rHJAIM1ROIcwGvic2qz8fCDSCCA9TAGZowUUy16shF3gSpuf66szSG14z7BYFuHG_DEY2SWN934vAQp0ympLV8nJHlHXU0LlBZTCRxbiFYtgJ8s.d5M4w_yCu4wu84LVYPQ4pdPCLUgYpoceSwumG4rWtouZkUHvVeA8P.X56EBUWPB3P8AIRHVnCJ_5nzFKy6MydruVTx_UywFbs1GTsFxPi2B7SwQ1SfQPVY7fk3BFPh2ajOBkr2npHY3_K5qJNtnNX2YyICyJapkRfhMj5s3bZy7B28kY2l0lBfAeh2u3CHTZBnY2hcQROIL7Y0iQZUtp2s9xU7jB8SQCLnccXiJBJBY0i..p5rqlGivkKK3k64ZY2thgYQwjaX1G0OsXcfbbvhwr6UCumxIDbw9noeN8hi_NH.5TU2ZiO5556UlTaxXYEQUXX_6qztxImdhi_6zrMmBOUaGtjNn2gjsg0NxtK8IYv377TIM2xSgWb2fTkPg.IT_yBoEOUalxA",mdrd: "OpO.LV.tQs8PSq3L31MtinOM.pAYzdf1Q5PpzTzn9uk-1739401709-1.2.1.1-v68pSv5rT8dqiP0ptwknAw1NiQJ6mYruj1sQQ5iodCUhMxAh9ZuDvs8oJelxogC_0hD6_y6XmvpZEvi7j96kxg1q.w66ltfSSOENARSi66Bpy3De3KULwxhsELMT9ppLf.k7X4AAzpp3rzAUoPdwTZzkyyvArbDYKlCy9vBiDh1GLFVJUEwxwo298Hw1aRZogrHdsjLQSK6QBNtROhbXWWag9uLAz_m6sWJZBAwEMDik_ZN47sMIm.wKrGvwjvX8BmiFzw4ZY1x_BRWHcwjTme.hl1JTZIhVqoiiZ2tAjHbljWO_I3_9LswTHSvwH3LI9dbabjJ_ggcPsWUh_YFtOmXXJGwN.OM1FM9sRPT.7BhvM.WeKHyb5_70bnbnDf.QBNaEI5UttSldqk.LANHfy9_a2LmtS.W7todsQp9F4GRci7CvTExW7inj4La.1HmaMvMHc_BOLdBp3vs_qgsequwBVGEgz7eLl4mHbZtbaKP.MQo..QWSctPwoyYuXKub_Ne.6Q1vAx2UdpsLznQ95Ko7LOxJeDv3iyXa09zt58bPZFnpBNDDZboQqVwb7rUr_o1BUDlJUyVPIf0R3j4ufxHFf70hDHu6Eb4y0k26FnkttnxBwMJ21uzIsOTXlgalBEfubH5Jq4R1BZImSfGUhdVYgLbwtbB69V.le2Mk2CT7zkHO1hO86Nsl7zOw9IGUKkeBWwpQcvgv1avosCk0lcGbX3bpXid6.Hv_RySkAdOxsbQFnVD00_wsUrquGx41DouFWVK.CTPVVuBTgbkFl_BkfcUVIOyg3wi1o4SGOlwb29lkYD0t310hzxCfiRlVAWdDdMm0JUzoI2FUSEgSxeDDF6KScbitI.Wx0P7BA7MyygjG0He49mO7C282673cDnaJgTBMsB8lks2DJZ.VTkyyHLDCLbBeWR.j3yZPb8rEwfLDith_JEyfEpR7q6vCnV2BugEOYg_6GckK62DJnpxooFCJAMzmNWqHLa9EjkIRQI9jVPTGSs_xhQ1GPjwdBjEwtT_QmppVo3gqtfo45I90B_Ft2UbWEu5fJ5G3zXcJlTLi7a_EZYrP88p0UQBZmZBDTG2lguiNtkCXbE1SjvPErqulhWU8_iyo0CGepkzWeTSXKjzuybdHMG8pYrSboki8onauO60bcAlcNTnySo08LwRg5E2U2wAaJsnKu9YjluijdDF7BgBy801P8MBbblTITT5Ip.ErP1_sjbOWdShCf1BIjd041yFdne08Bs7y4ncX1VZlx0_OCsshrr99UTgkhBiff5IQqewPel_JaQr.Kc7yfacTqx5KeLyZIAiLeK3PLwWd5tiplu.7u2xf1uZ3ZDwigwlKLPeD85uBanrLJN8b.XGjbKf98qeukA1cNRCDGVGL9FrlljkTy6Tbhv.oedXmIw3NX5gHauzzqs5VWEb_h00y9A8kPDj2YodiJhYprpa5.1ckpCEb7W3UPLA5RugVzcDigSuJG9dpJ9SiR_xokHDP.EWvQkVNhogkUg6mX9vl2fZzDy48nT3P3eRgm3PaIMS3ojwM.S3mYWurHm8sm_e1oTzFZGGYhSC_1NDPL9ked6BBIlAMC_OmgEfRQ854IPpnGMFsrYbxdi_RGgroWyHmMEb1p2c6982uNCx75edTvG0lUtteAFWqiMip3MZGcCVmpefnJMUgiCRue17BojEWQ1TI.KeURUwVAxVmnZPSY.EQmuYEJNETvaHLDi8JJe4tgKRJdJVTnlsg75B2L7h7Qq3OKLVTuRxh1q2Hsw2.mGL7wakxA0hs4TmuV2OKyfM4t9r4Xo5FP9jd8zD7rawTGkyNebsBzik"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103dae3b40d678';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\/3087129564?__cf_chl_rt_tk=VdtP_205Yjb1VcgJJgIwiUjlmVrudqmvSprijQF00m4-1739401709-1.0.1.1-tjS56BYiBSGOTl.DPUetlH3zKBE.y_3hinHcGTCP_zE" + 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