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-899382103578.mit-edu.top",cType: 'managed',cRay: '90fccbe15ed1c96c',cH: 'nSJ_IIKU9Oezw_C7Sog2LLhrnnWnhZx8Xh20CcNGHxU-1739197819-1.2.1.1-jA3oRq9osJTIeWXPVckMq4HGnxTFlzKYy2zvUm0vLc_SPRzjMOUneati482I5S1G',cUPMDTk: "\/post\/4031856792?__cf_chl_tk=Hzoif_rauLjwxdpvMJKvwF4ThNaBt41wUi3ZrtVs0NE-1739197819-1.0.1.1-xjcTXokyUWb3P25l0947.dkSZk6PxJ2yCcqFBfD73K8",cFPWv: 'g',cITimeS: '1739197819',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4031856792?__cf_chl_f_tk=Hzoif_rauLjwxdpvMJKvwF4ThNaBt41wUi3ZrtVs0NE-1739197819-1.0.1.1-xjcTXokyUWb3P25l0947.dkSZk6PxJ2yCcqFBfD73K8",md: "QsYf472LY7YljW8r332zyKB0Ndqo8AYB7fZi5e7RLZA-1739197819-1.2.1.1-rqn1onCyfKvM6ndGGh4VV5E7IYz4diq2lHjSZbirlpp6OnnnG3fSL3CrN9fylB7RLKyp_QohTDGjkeVX49Ey80o68mHRd91WCG46IRv8Kae8hbkV5Zoy5GJa_dchF7JTi0BwWIuCEfSOPuMmYGUegk5CIF6PlOvjmu2xHjY4hZ7faQqta8qwk0lrwQHu0xGLBhZy71cNF6qeRK2N8RB8zUV8Lgx.k8wM3jZd3fHkTXB61iJW8AzKnm_s0uPn1WVLsFir3CEnsTNhY9vuoeZh76EY6Ue5Qvkv3f6G7Ieb2dRt9o7slg8GFvkxkeXk5I6yUdiyg3w4se9CGl1G5YTcKxXWGcgQ.6Y0slfcnTlQe1WivqtVJZPRVMrS9mFQpOaJKfXieR.n1feEc2AKfYbgUKpgnIkaV5UM_zrX3ZomvMqSSq.p4tQ3OTKErsrB.8EqsJayCpGCBc.daMkt1TEyalagJrzGZznqq6sBq9b5qVsQJuXTpWV6k2R._XAbQuUbnm9FT9lmAmll0tTaaa.KULz7OOV_nOMjSb7q1L0_R1XMQmvwpYhAtlUCO2N3krhkhFT19KOJLan5vZ4aAllLOGp3hyPMrl.8XSCPp_bpsh2ZIHk3M76cwBjK5c.UvOQmQSh0VCB3Fzr8fxNtb3_8m400LUZCGSZHOJtIEaXsDW6TVUqI288OUweE31hMUGD_Yb2mdoQNgqrHxCus97TWNfVeHG62jhUp5Ku0sYm3ut6WU5.4L8S6nnQPXBNt5N1u5umpQ4.Vf7NVdwsVVNeECo6GLufDwoyvoXpZ_DSSGo5SmepDYYwZT0eK5.XJcfz57gIW2Q793RYusDeVtfBRAQvx5G5.eVuCgLDIgzniXnG6NRzTPgg51q0pWkfZMcvz.DRe_hYexiFicPLXglvid4_vIIGaQVYv6CmOiTjcTVXsJqXNt_XZddqA0M2vZrN5xrp0U3zUeFUBBsz9A8wqGpv7g3r5wlm0UJgflW9RTKN7woIQqotEp3j.kzBk.3caOoRhpc8s7LLVmW4kYeKV.C96EVyF4JGzRl_kt5bvm6Aax4b1JMYDhpkprJpo1IU_ePYqlP4VKF2b_uoKlkcyCybg_LZzWGpwlcGjWL.6UD5f3FYtoIrcwLnNXNrVfQ8l7CDtM2kL5O2PLEBuaZRscMNIcHw3HPDuHdI4AscHeRPl5RXe3BGcjY1CWY4cGLFGrMUiZA_fNL.vflRIULlDfEm36JAuIspLvUrzkEIhHiqa1ePpWbGy.ntSd6tXe1SPxCotT9VSumc70t4cRHsqfTzd.rAYzL9OlCVNLmyDe2CWCfruej9Q6XOxzzXEScXVLaE1w94SFKSjFG9uJEuxSy0i2e6um2EuCuiGYtUXEHKKCKRipmhpEvwX9Y0M1slCEM5vexqh4AsMjcKzjcYt4ZY.MtJ6sxSUB4KYzFysgtTzp8omb4JKi5rEXO3ABHbedVGLWfTz70fx7IJarsEV6o9vuBrWe.P4m4AujRqBnYBMf1_tGCd5ko_PzhyV6WbSA0R9lj8dgkSlU8.TUrLM5_vFNyk3rMMQGKiQ38LduF.q59bBY_4XNrOB8J84N7wahVvHiC1pBU1s_RjXHgOWouUz8ZbeUI7y3VMxg0D3yzAwTBoGqQkFZMtJRqIRwZnq9BZhZfvNV48OCB3DBq9t16MjojyKgA3WiJrOG5OqbDWgZL3vRx_8LqcGYJySR9y3ntFmbQruakZzoQxv1v2doV0sq2.lgj883jT.c.KnacBcV2lzmfdCoOQcc1yd05ZXeJdnnKmmAdvXviLSobI6iyusFtqBWLseCgkYoN6JTdnRHsFiqYO5zxel2cH2ep.jSRaz9wCg6W9.1U50LVdReQp4qVDbOPuCa2ZULPs8ip8s5GiHVrCTwjJBjm6Jd3QNUgxdcRC0n8AZdLIZPXfz6R7.lagsjAlMRykeqXS2SHM.sK7D1FLWmfTHFn.1TXuu.OUfADt.MEq9tYqFxd9c2Fvr3H68YHt9.3Fb84gcdf7w3DOR8EKTJGUI4L3bHoFZa8Sw66xk9XW_4MjzOqf6jc6xOdBxA5jZw76tYrryi6XF7gQbOZyxg.a8AukZGYeTqUoKUvwSfIvDwQ6YgZWsoQFAXOPzQhFStmbUsvSCXTMU5iwYIvFUTx8b_DmNyvC5Aske2akZoNg8k6YXqt5xNpbDSEZmL..GXxuJgSVd3D2_VRF.z2glzihnnom03Y38",mdrd: "1.rWRAJN0Bknwa5ziw.cIWpNLo.EwDz7HbfoGL63EUQ-1739197819-1.2.1.1-XAs_Y9Pcv3iX6T.M5ZeJQj_Rw.sLrYyl.Nc0kTSN118VNvXNzRFloKBbO99n4yf4T3U6Dby6.xrYr3XZk2lcTn.uRGQ.Kg7xehEspHyyfT5qfmsHXhosj5dOUPI3DrZK5JjrHWNueQJ_RWFiKJWFVTorU1hGfBdl8mOETdxYz90Ch_aAjKKhy4rJPtYcDg_8tOmD9BpOGTBBl8SqCdWU7zwewon5h4CPvq2D0pFv6paK28L_2n.QTwiYMC3QKEE9_nZvofZTJFQlBX783mgLFlcRijfypMnIh77Ocq.htB.3PThdXZNgn1IyKpmb5mxQ_cFSxuTpPKno5BGBa.aqp1hQZNn4DEvKmJmrsi9T0MdMyGO8E6l1V_P30jawuPG6WFNDk_YryAu36X2BWHSuVsr30zSL0vAWFWhNb.KzZAXSHja2bY3.KBeUCwvuEeWBdYJAiEWXKo7OE_9H3saRH6E_eOCyGtPys2iVVtbzBad4Oyy7oslE2.HUTcIl2upltn2ZBMEYNr1S_aUdKtxvqYVDYbjb1zTnscaAzWxEdsXmu_hfzIp2MzFABfhjcEBz9J4bgM9NQFjwpqQoKA27I3bim8bWb9baRgoYiT2jg0RRlZpZ8iB6O8D3H1hYx0FlB9EwLNMMAHoMM7Cu_wjInLpbdLuBMgzPWAykzaxO24QgspdpHlgADNx6ntbkTb_7KhBagR8AiF.nU8bzLKjsIXfXaddHG_0_yAerIhgKRNgmSKODT4Igbj_ilc5zI2H0rUy2Xx3PdW.cdeVdXO3AxrrgW6etTeoaFb.pIMbIUcSDau6Bk.JZssD0dxrhwrKCNmLC1KeBhup7rtRovjRIGp1PQ3XJ3oOLhwd1w5WPH_2a.CVfWI8Fgx3VOuGZQ_latch6iYdbkGAukvu8SlBahXJeCjtO3RpG_e5WXilx5k0W0WGaXsct.u1HHy42M3JJewt5TVVC.Q0sQETUOkZoso2jmYcNiOC7OEQ9R96sMDPlXtBp1vrvDKXWx39N8rJH_WOMzhIP2OYp88afT45JWJ73D6YQsYkvt0HzaovfdpMK7giZLC85zSJKQ8AlQeBnKZVWzHjcv4tf7M85ErHFoR.tbsWV9Asujv6cQ7JE73TKPRAq_O4PO9D1Da6NIv5I421HwBOu7WDlBMZ8sAiaDgvMhWipeNoAErr2ixvrPF6HMuuzluVMx4nGYO5kqSzdDTOFS5_q0XCpnZHiz0qv3dQApwbEtc5UkVdLZooKhc1HFYibE5cBYovoRf8wueun6v.yVJXPs67GeDwVZTLv9QCLFMhb_E36o6MaBbnDQHvHMOx8Rm5YKPe6gfIvofMCCItxB.vUs1kdftjwZudofeR4tS6kqXmthu7QHSu.LtPVDImmhbhN7unNKlcjTj0N92d2BtATWQf2zHQQYAoAXmBBajbrjtAspFzahtEbo1_LPVK6PPSMFHEn4kI64sov503QK6zRLVI67r3fXjeFVrOYIzGPTr..w4OQflTG5_kqn87yb_139.O4eFwMfuZBQ_kPJRdK3M9WIcgM71Zg7Ld3dLsVJBxNX6fXHC2Q0xud_332zINGiwtob1304DCHHVHzAMFg7oQZs_ogItZXfFXwhMKih_Z5fYkjcPw001JIo8IERsBWKjuOBuft5tcyRh2PokUCdbL_E89AIIG1txpmsvQAGjuoCjU5Xx7KJ4CjRPj_RFJM3dH0Wcn.t9giolZjiEGPYDYVUoEa8.57HJlq2IYAfGsIPIKiZxhdPADMYEVo7e0oxEpxjp.3Z44_Yp_aoIUwEB5RrAoKggqeQA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fccbe15ed1c96c';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\/4031856792?__cf_chl_rt_tk=Hzoif_rauLjwxdpvMJKvwF4ThNaBt41wUi3ZrtVs0NE-1739197819-1.0.1.1-xjcTXokyUWb3P25l0947.dkSZk6PxJ2yCcqFBfD73K8" + 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