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-936024553013.mit-edu.top",cType: 'managed',cRay: '90f5f44cb9f7d704',cH: 'VZEnYn.kdNMows6DroC4MogIR17cC_DZtmbOQAaMQns-1739126074-1.2.1.1-B6hcNBDfBqvpE6gJl0Yv46pM76wQsi90vJIqWsmCGuE17HIZ3BOTR3CAjUJoHHxE',cUPMDTk: "\/post\/4085132769?__cf_chl_tk=2op.8KCl4L.pqeC.If9m174HKRF2Lft_6jLLSTX85MU-1739126074-1.0.1.1-PPCW5r1dTWHqbEqb7AoXy0CYBICh4nkBJGjgBZ1GIbc",cFPWv: 'g',cITimeS: '1739126074',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4085132769?__cf_chl_f_tk=2op.8KCl4L.pqeC.If9m174HKRF2Lft_6jLLSTX85MU-1739126074-1.0.1.1-PPCW5r1dTWHqbEqb7AoXy0CYBICh4nkBJGjgBZ1GIbc",md: "uxzPC8bRP4R9FIG6ftf3ybLj5Au6AIzhtkRZ21IlFuU-1739126074-1.2.1.1-t1i9PP0HMEtXIGY7ihboyi0Dym2fpRXs9B4T21qFF50uf.gJB1zQz2cQ6Q6gU0GguegIQiJzny6VKYO6vB2SoPYYLslgMZ_gvUmFlD75uLbZA_AoEEwD29vdN.s5IbwJvWnzMIXzxLJDTB_ZK2T8kkKn3.iQHdBvt7kjszAsC3ybzyMNhtmeYYx5XF9FIlvQuysDUVsxiGiJmSg28ppxp1WeBkyF3NN_ZCUBxHPI1KHH0n5g1o5LH8Faow0eV_adlt.ownkyBycr_H7UDJPPX29Csx0T2RaaV9RX25mP6LHYaiJR1CrOtWI3iInmjzhGzwT6FFvir9j7MKDy5W8Xbjh8GYC5.7kDnZjgM1p_NRNebI1W95WM8O276fod5s6kW7gJf52NKKze0y4sdD_MXTzlDvoafS4.Hsl8_j3qQmda7_99zINC1IEiUmotMSsIAVqNVYIQKpBtOwoR56eNudDxRB3OBS3TEdtnfQzXmUA4XsxL17i9b0qZ53UZ8LbtI193iF_.C_e3K31C.K8uV_H6JRHbB_kYp2NXJ8hgS12HPOJM2_kXcsw0k8SveWuIrcCHU_utdrHPTrIIqfti2bI_.b9pnFLNVOKnbmi..qeRs.IF7l1yKVIirGRJ4g6UqCy03ArQH.PQTDZuNdvhNI4Q0YAmNX7OvGA5BVF7ubfChQEDQhevE_qjFO1qGczFLPnwcQ_6_iuVT.6oiwcUVFRXpI9NW7z3faGUMDZtaAJyU.SIqkU8M5ZQDq5HHt_4g_l_489zJyF12zSpQJC4MlIPJUrJaO6NSYP1ffSE3nxtIVTpg9Nw7Ow6dFymAkEhw.Er5uCkJWmfM2F2YNylKnpq0T5Fn1GFkx7SlRw9m1FHCCgImsnt9QS1xYVyzoXIenBZC6FyqBxdVMNtV6fq3Z.xz5LP3qSeIx4OvrnkTagD_ebNXPOOqoMddRVhhhLX6iqtlVFKTmpoL8e6nCTX63t_CMGDSvYuI0mQjUoCcf2QSO_0fU3kWyZB0Q8OtCrY2bsozzOwD.LbHi4jDjDDHiAPIkQAZ5QbvX3wKEcaX3tCf3siT2q8.Up8CxPdUar0qRFa0yeJc0Out0rINBOMmNu6f.Q9mZwK71.YzGCu5C1dLEgmHKiWVPsi3CQLT9gBI8UMWHneGBNVb2oEduAI1VQt7ezP7rDG_PxnHK8e2IiK9t3rnC0k4jsTEE9P0mpINemc05BpTf3FSLdoFwd2SN3vdNIOBjMqMwKIGy3xunpHYcAYgTCMoBC91CapKZXHlTd9g8A0r4JqxuTDlf26MvVksHvUR8RW7RpjP3dlOtIO1tnTWmIWaPFwGJHFSsV_lUFTcRZNJmVNIgRNauJ1dsw2knbkbp3JlkUARN7Ig2el49CMApIH6.6HKM7DbP5NsS_5KrEjznOvDEBTdKt6a7qEtKymBQAY5Hf7W8JO.Don32YmXIF4j9uqExci0JPj9xikCiQs2yw2r0zBCr4BUS9RpbnfimcPUkDmfIP4GxIe_Ub4FjF5AzW7phK3hI3VRYBeDFglV840mZ_ttBEJIa_1kGbX4UoNG._J49H9WumK0kRy73XQUuBT1Fq3DfQLY9AcpF19.vONSyPpvm5tfD74X4qOK0G_elTE2KQTI2IzSyMovRUzz5J3WRB575pfA2FEmcKa5XLOfaIHB7obY81H7_huTCnOucStOUuo9drL8aI2vPT.3z759U1JF7jJsYyH2ATzcjrqccXgicQcwli5kWmHEelWT7y8I0YvX6GalGTpch.4UXRTIOBggm.U6X0SScuMW0_4faEjCQWfY1GuLsptLBS9R3NKJk7QzP4Mo7uAIhTdJK5wpxdjuN4bGHuTF5i9kvcbqnRld3ej0ze48Qpul2qN58JI4spmLPNhHpP2q80P.ZpEmfFT9VZP4AxndKBuV0IHk7mmLLnNpDvBgAb2QnW6Qg8nnBvr41l6yvCp.6JBN1CXzR2uLkyP3MOx8Zb8vqHvvOZVxWq8Uf.RThBjVeNj21Yyxf1rp5fv_oz9A3QqxCBmylUA_EPZwolTH4ClcZXw4SvUaiAH_o3buujli1VC0YBP3y9ADbNRTB.xp_q4hS31y7ofAAGkdbjFfz6m1yR1LseergFA4teiLj1VL590NRy_z2l0MU1o3VmteWOW.ytRE.JVhJsnQZFbh99iuiSCo5MqNnlgLixLKS.7JA0A_73O7T4tt3zqD44_HZLQQ2ZNOX6_uPXo",mdrd: "ncQFwLxmYNpjsmhaVkFrbgn6Y_KFZ_jpP_jEoAOK9SQ-1739126074-1.2.1.1-y6eqETuJgHjugX5eQtJ00zkjlA.6mUEdZaDxMklUdl4_X10A9NwbD80tfiBVEwVaUe8RjOr53IddjbsrIRYd4eUhEjiUQFjazDcl99xQAywMq2yWSeo_.kbLzrSDdXJ3O1A1qEgbzgsjbFhS__g3IIfUtevciGLABfrabe_FcV8r0rNkp8xnxzTQ43vR1GVnlweXrp5eRyFhRaRZe.4EGKYFPvTGtC0BFOSWOfgGZv.8NatjVLcS2cVRVUd.24x7kE5TboS5gBiPhqjyXiKbuCjyMp2KnHhNHrT5rgmPhefm_p8WJFyM6kE2Gp9TxQE1CE_4MJ4.5MdLX_I0kyVwEVGf8zmXkljyQ_mZRK6P7dPw.BEBBHw5k2h1t7O56wDcrKrfE.5XrZewrBT6pvdex3A8ZWDmno..v_80u3Uja8Ys2TXZfCn2BMo8IDmWFWOGa7TIVsbsDD5FcMpGY0UcfrZYTn_fymQI7VglefxpYdUIAndosV4jUzvfLIgH7ijlu40uWt7Sf21685fDMyUn8vNiJgW6WuPPIQvkqKuTURpcShbsMJMYdd__LCXiQ0KSzDX19Wmwixy7GSAIdAxx92okG4FU8zC7xIgxOEmrZ0qvxIdir16tOeidPkWj2eZfpCE3KQpoXK8gUKrNSOU8TZ90SVdHL.Rgjoy9WvGIHcx7S2lFvgQSHfyY4Uw7I160K0lPuScMwLfue.nPiI31a8LwZ76yQ0OS21heq67f426Ka76kaOCsB.Bs3nQ_DUSAgcGopVNNS.5NyliVWKNfy.AABqcgdltqSMTIXCrtw0xB8PwzCL1XlbQc8lGb_C3KslcCDMAJvIf5VWwsGBpFx5RZxqZ09RvddGYvmMeaY4gQn855Ch_JeNC8gFaJnUKkRxNYOZ0aLdP_rfemESZZDAgglbciwEdPhWJbOZmiRjSoCOXkq.9OV68xKj5aRQiwBKKJx__zns_KLbiRvnfffFL6gG2sK7gnRg1cgeknvkHB8r4QoK1r9EynEWVGg6LkWg0XxXp5tG7ex6r0tF2mjuO8HMw_E0MySPaFKJlohFtvpA3pgyQdq9LxnBEkmQ8y_vkBP2YlWK9XpNjoTFcrJMsIy_mgk_o_QIikpJbtekYDE3RnbiTBARycmq9xxeRbFvXWGZcA1O3pjf4WF1LrN3MJq9t2YBUSnzQZz524YsKswITBQPA8RsTpyH_AtEoD8cl2YnGg8Tc5eDgj45GmkAQlDUEer.xLA6uSGq_JAuqz71kaqLsqc5a1ldIsyujabLMM28.Qx_uGggFKznJ4M8qhQrzloYf66mxe_y2moyWffXVZXS6cpvTlDmz.RkXsI2Vq.9gJ92K6u5XYh1Y2vAOKoKAjW7MIiBYhqyfnIsSrzzXooLt7gcxNuMOdSIjAytqcokWMJO_5rWaeaFidbXAhSQV5IWayFr0xjevcxlEZVTTvWjUcdbFhPpNuPnqoPuVZV50HhJmAOTxOhdJACiuzjUUR79oyaD.LEgEcqZD7ny_328aDpBm8pdTIvJ.2YwzZo6l_m2T7SX6Z7CHgcm8Ra8D..xfu.UOc5bWFww5q.6bKnSOIIxCDiVkSIrAjdkhHA6jcdbRs4ZDo5Y7soLpM9upE3g.d6pMIrtxazQ663gzw6Tt_sOOMhfxKWLAUBWpzgrK3Te8OlAq5pU4YUM.RXnzbw0MUmq_RK5gcHzn0MmmxUbUzPWdl5GV0ejNuBHqJOxV9ZTmHggSENrVTCFQcMfuaY4Z417_Sij9dbj4dqvSAV6sGOBZcWho8hUUYBL8IdQE.qBSmeoNIZPhzmw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f44cb9f7d704';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\/4085132769?__cf_chl_rt_tk=2op.8KCl4L.pqeC.If9m174HKRF2Lft_6jLLSTX85MU-1739126074-1.0.1.1-PPCW5r1dTWHqbEqb7AoXy0CYBICh4nkBJGjgBZ1GIbc" + 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