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-911119230487.mit-edu.top",cType: 'managed',cRay: '90f751307e1f9c1f',cH: 'qPZ6rEGQ6TPIJHQ2Lubg95noFzLgOEp7YLIxIyRJHNc-1739140364-1.2.1.1-.IdKRo8dcAchSqs3HwE0HF.cG9TkZY8TnJprgdSWl82XvCLJmfCkHa0etit5yZHr',cUPMDTk: "\/post\/5247038169?__cf_chl_tk=dtVv1Tg95UH0wZ5gfUwa.eMYOY5mmALw2jqtyA2TGcc-1739140364-1.0.1.1-0T8jrn46MSwYS0Du.23q4o7dKYRey5Vo83JdItzi04A",cFPWv: 'g',cITimeS: '1739140364',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5247038169?__cf_chl_f_tk=dtVv1Tg95UH0wZ5gfUwa.eMYOY5mmALw2jqtyA2TGcc-1739140364-1.0.1.1-0T8jrn46MSwYS0Du.23q4o7dKYRey5Vo83JdItzi04A",md: "C2pw.zyjxS5zXxW4w45MlahgLkEe23HwQ7UoRXAXFNA-1739140364-1.2.1.1-KK.eec5_9A3EMJFdEfWOpbaN6rQwZ.C7clgr4dUJRWILjTc.Xg60iwaM1AuyIsq8wsNrMx.nH1OjEXeUerdhBguIjVS7lgqJ4bzQchdSbAQj6Vn_PjCAxcyh5cmiI.YZV6zywXfU4qM1NUzHMXksI_q02oVvtt.tBVaT17EaW35swOE3ek0hTBq26D9NmCcBQ6CP.D7pJ3iOR9bOE8SNMfdLlaEYxUcSyyD8n_qexvC1_EJ4TKe0u.oSptc.vAOQ309sLWzMhdmCoj8xKzvWM7pnSFu3sGq8HI9Gx_j0UfnjWF9UVq..8xHGABo6Do15JJMI8NKNfUHn9g.5OHQ59klBJfGNa49ynUi7XtJZzqPyppbwamdVVpgwfUTp3SQmR6Mojwzbrr0WFHxphqiDgWI.Xuc3QozYpuSPpnR06Cft4kakl_3DJWHYU0iZ2.VLNQi4vRZGpVM.gUfybpl11ocuJ6JIXSE.yf4yXV_wji4tgXiKfhsRSru.ftqcqonSB6DM_IYcfLYbaEfv6ExcDUJ2ihhVmWZiHgILvNq7Ot7AdHf35lcYOyc_ZlZA0xpGszrL8zTadW9vd0usQ0wMs2Zxah_3MXhuCves.0_oH8AoHacA2DzG8tOb21pswbWtbOfCtsIzjNAQgYpJRhSR_Ht2PB2zCrKoAhNLPZW5rXxBc2V8f84S_d_SnFC5IAdIDi7FLu4N5I6FDDRoqxuFSNKCm2LiX4AEmx3iQ8IQOPi3dU_q8mbMkQ7PXfz9pe20NnNc7F1zrO1.sYOVrmPyYHkK_.tsA_StBrd_SDS77eJb7Qzr2Cr7vEA8thV8gFiZX2G9U1hqlcqwzjymcKlZrpeohgp3LTi5RN8O2sKvvt5LhT_PEu8fNidthnXSUXkyxiYGdYqyTvUZuBiCEL40ZDT7TFnUf.pAnK1LXX34w49vYB7j66lzkLi868DB5.lDXYYN05FGXfqM7vIJW_.D3SUrgEwoRQjbx31mgjz.94oAlCFj__w6DYkTu2lcK1YjD.8YscsujNt_qZyN8ijCtK7zHUUGEMo.JmviHZd2jvSRlmEaHDkgg7lbumF9ghFpM7MR4TCGuM2fH9D70qIg51mjQSqvQpz6rjOTCvNhjiRe9bm4YNR.N84AGpfRT5GfVu8NjWR.WrMGAj7a.AVLywNpHwS4CO4WIDYoQxVCPJ4Ch33ScfYz52hBNtGA4GJL0LVZMPh.gvZ48WBh7s3KGHuhksywijb.n32zVFCGTybyElo1ARrNxRbxW3hXsXJvZxlan0tZ1FLXmgX96xQGTJUrM0fFMZUw6cB6BwReWVCUK24Vo4wdtdg4ti6H.VEben1FdN31zh1t7B.2RzkddAtEXK2ghqdxTQPQ4OALwQ_xMmmflqV5NT39Gbsx0XMZbujlaDcSFjTWBWbIWWoIZHPaQOM54rUI6IFVoaleMYXJ4AA7hcQHQMDop_F9RUa5lkONrKxZDO1ugWt7gCL2lh2mlGO1pyt5t8K2NBN4hLVkXpvBVysHI9bbOmLrEViUHnjUp69rBLzXfoP2Qht_h1psE3S0M6ElWL42CYSZCWGTcDKP5tOCCQY_K_S2SNxURXA.yR3zV.mYcLVhmLG9OXMm0nidyujZ7nxor2ldSnwmLQVytBZMPekQD_c94SNE7inrNcrlmK4gzCreDP5OO6l6aEAL4k4UJawMif9ZVpdgNxMwRQSFlODa3m1EbjQ4tpii8gobnVrTwvIyBZ1HQ5soRpRtnGas_62x8mDMXqqgiuzr5sReI5JGThOiAbBgqHZGPSMJI1BqgEI7UrXw2rz_dCd.WonOQrAb_hO7v2o6qe5xiBLvrAong8oa0B2zgpXHDiyuQlCyFQHuBS_IpXR8ZG1gbJn1dzJR6RglJJx4ION4MkH1QqFf0p2zNwwJAuH19wZweDLAdECUvIFEIBZzGIuKWB4ZeJ6xE.ZggtSySPbgvkJX1xBd9_C1NcosC3nLGdplDDbkOsl.NT_lQLAWAW.gkbsvTEEjEXv5.p1ArXnXDQfKZHrHYy2GtLUHczJXo2.s1KbBRhAnM3DPC0qPcNOwvUQRkn6tUyu2viZsmP09xxCellOu_5kZpRbgcqbFfTQx1vcfZrzS3sStZD7yz5AhhqPTWSNuKg_uOmUbE9FkaxelhDGSGM9NsTSSPECYnb2jzxidxF_nslUNnSt2NmBhViy5ObyqLSYtLAn4SCfWt5E_mJBCrocy0cR1",mdrd: "E_SfXSoAoRuY8pxiLfXKC16MX6PCsF7IFk9EEMUQQvs-1739140364-1.2.1.1-htt2ItiJyZ9Yf3.q2TR8tovSwrTU.G5MP9XuiBl9OEGHr3O0CQs7PhntUWim7VOK8D_eggVvLjwAQTLH7Bkdudkigmdj3XgZ1hiwSwjaQ0m76MHwLxzCxIuQMmX7Yn0KioSfch.Jy2IBdFz2rw1QMhWLGbIB5AKsqYM.V.ouTZMxqR6bOBLiUmyxSxtBWV6.aWPRHXkxzQQ5E7BBTLSHJjRYOnD7hO.VctcFDX5clOhETey3I2eRDB0rSx2JPBLVSwXf1A31Y65cFCGSfFI4kf_oPLwpsa3PNyiscJEn6k.13NnG9dqlguXWEJEgg8a4bPbLtf9kJrWx0EINr_VPrDRF1Yb4g_TvKRqhRWm4MSUPs2UhvYYTznlnE5KHi0gfR26bGMofjatYSyJX8Ums07WCFFrTRZCvgoU2g192yyrKFNFlyLj5gYveahVnsA0W.ok5qoAKxYBt0LGQRU1JQav6iRIrbbbjYlYr9qnc0Jaq5Eev6LGrbRNmeyAZN.E1qOms0_r_PXw9.nN4kNaNEexqnOKNYf.IweQLDHIcgE8Tu2bu2lhfdho3RRxp73RWlFzIvEu3FRfqC_K31cApA88y8knZDCEb6AlebBJArJ3BKJQWLQqPp5DYI9N88igoy8lFASKnuDUSlylWyL0ReR3P97w14_RkRMu7ZIJJwXFlsTELpGctzXO.hf31dyETdPK4k2ztooauR.9Mn4PcqovgXXpivi92z.QtifPpqtcJCiRz7UntzxN6nWunevNd2K7m_Y6e.IawPMSZBK4WR.aJFzb7.SxQ9Gr5PeFl.E7bWYB7qXwg7UbJzNr9o24UBKFAJC2yUUUhxeddQQ5mghBYuP_hTRVh1piRx2ERLy9OmXtPlVJm6koJupwADg250lsynM0er.x9.c_P69j7X6jbpAj.hm56uf9bD24jLIRSmEFht2deSVIfs8U_uaucT8gE4KNlifZwXtNfkTE_5sZ9rKXPuZ.4NfkIFFAVTsJcrZuaKX.uCbThSybV7coezxsEhyX3pE2qWQBLvquaY7ycE2y3NFtl1FAhmCWlixS5BvxONVkwI04PCeNVjQUYAhOkrZ.huf77Q.L7rHN4an3qlTAkCH6ejXwSNp3zKDH58L9VVaqoXao1CBZvOnz.2jtR4dSFLx8geZXNWFOIVylceR52uBSC0SuKD9Qp5obHFQALsl7EMOQwlQVSoNoY3m6kxtzR8NJoVsOqSYsD6fAtWlLbSYlXgDXmCFZi6LY8c72oDU5jXDKCRRYvh0ZnQL2lwyCqM..vjW2Cup7hanKH21ntKhzf_Px14QsjbwYgHuBN5y6CVK5n2AnjuMIdR1MTC5Ej2xhTiYyx5ksLpic06CAi_gSMad8e2msqZcDqJrypRPIPYWUFnZn7fW86I.xxD55hW4d2qanRyg4Y.MnOtT2PLq4ya.SEWD7av3WwfRpTs80jFf.qiq6dSZfIAzlHiOMG5.RKpmXflKIIPLLqANkoq2d3tNl.C0DME3gCGonsf9nKgdeI4dn.VYVOt22F.a8Q9uy4J1tQy2Iqtt5xrFD.QYTHdB_yVUX5XoFYdrFWCWBcwlXnh1b3TMzSJcKoQRgKElB7X1NH_KCjqIdDmUQb.EMBCR_X3Vq8Rjl1I27Oau8XpfJvEtEXfV3XiAMjBCPCnl8_Jy5Qaswy6V4b8VcU71WYnQCRTsU_rZoUnmA.2ucErznj6gt1xjiWz1IG7ipQGQCPkmJmIL0CHpvOVAw4MuRQVo5YxIdgpjYDsYRkD6xZhWzlfGh9.OiwiWVIdCeQqJMcP1iP.HF0Pm9pSsYkBEOiCBjkQaFOSd8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f751307e1f9c1f';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\/5247038169?__cf_chl_rt_tk=dtVv1Tg95UH0wZ5gfUwa.eMYOY5mmALw2jqtyA2TGcc-1739140364-1.0.1.1-0T8jrn46MSwYS0Du.23q4o7dKYRey5Vo83JdItzi04A" + 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