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-263977610214.mit-edu.top",cType: 'managed',cRay: '910fe88b4b69289a',cH: 'qW2psDWw.9UOAK8gJwEduQZXZpJGv.MUIszExcaXPjM-1739398222-1.2.1.1-Ke5Z4tqappjyzheYBrRcMCHT2tOmEDhMHCcwVq46q1jY3GEwdlBI.8FV2afw0hnv',cUPMDTk: "\/post\/1274539608?__cf_chl_tk=2fY6yT1hpyonD7Avzn6RF62i2TbjNuiCXGUL_ituh4A-1739398222-1.0.1.1-_bO7sqaWIPXF34q633HY8pxIg7NjfAYpxR_RcSaY6rQ",cFPWv: 'b',cITimeS: '1739398222',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1274539608?__cf_chl_f_tk=2fY6yT1hpyonD7Avzn6RF62i2TbjNuiCXGUL_ituh4A-1739398222-1.0.1.1-_bO7sqaWIPXF34q633HY8pxIg7NjfAYpxR_RcSaY6rQ",md: "2.e6BlMmp6GpfXSxLfJYDwZqDgIGw1oJ.ThHktGXb38-1739398222-1.2.1.1-qto90S3w_yyBfoIHIClsY6NM6B60SZ0xb8AngbcrAIXPzas9oQbBoFugYTOw9icbbd2EIz6vX3vnM9RQm0jL13qxRqRmJRItpVo9ez5L.hfPVP2bMGkXD7igxlAbXBmHjmJ5WGeyY9yEqXC8Rj3G2cAAjLh_Fy.3wEohGe_yVUvA.s9nN0MR5ASzmgrnrQtM53oiS1lUEODeml2njrLWnl_gnQ1jX3LdZEpIVilsUa9u7.ctQAKehmBd32PS.cMVOA78xhX3j2j1vM2HPlYNWe9_PYDitAWRcAUyPTrwnhJMawJnmrO779V5Nrjy7j0d2QmOz2Aj9KaYvTJZP49iK6mDnHckd7Ez3lb7VMa_efKFlUFhQYLeby3TBqxgQfUoMx6NUaV64M5gZCfJ7vT7NADJ87bTpcWx_5Orxm2GaSyjJblJuMkA5ja8UHJl2L0hBh9UGcq6Rl8v2wyeJJl1D2bWbYwCTeVt_oHexrMA5lDu.3uE7LJ1zQLg.H75IrjLQ4Iiubh7H7FzJexRSCqrlgGo.0isR_EDsd0SnzxAn6dGyZjUzigJsxwjs2FBglxzGmJTKfkTY5HcmPauPVF6FsarZqGaJPIP2LHGs30sb6zeWGNGvWI5.KhMIqd.OXADdAqH4tlhDqriHpvf1G1zZMd8Nk2tTJFCbpIxEa.MAkwLQuKi5.JtoADGwGHlphL.XhgJ.chaUHjgOb7dGk3r2qbQVfycLNjw92nKdKDfRFYYuCh5JLA.Pi6143SioGBxF8lljOmK6OVwNn6hqvdLnq2_6WdIfNNpglKqBiJ37ZzC95Qvm6POxYaF33WC8DRr6TcdFSIcctOYor5Af_q6gQcGNCURoaR2K6eJeD.9vtYzoK8W57aNdkOuytdnZ6iCa.EBbrZqSOoIY7NyVVTG5tEAs8GH5wcyOK08Out7G4hLtyONHY.Fp9qf9t7yb_hRnTCJ0GYvjN0oGhX6O0ZcrFf3qbSuPARo7yg20NjyZh4aCBkIxeNmIz88FHnemLIm7JSGmyER4XRTsq2vufJl0hm_Tg1qDgQsU.E0TAcCoPMreGXNTU_5Jca.5VMcCKMIz6LR9dv3Vv0cl0lS9qgCdodnvO0EH2M_3BMtXkXomMvisqW6UDgUAAF1anw6HS.JCgHnnlTgVgmflY46q4r8HUJIsmteSZI_icXnAMgJIAitxi5QeM4.0qe..M3eg0xBxLc21hJzRi9hhuBzR586POEuds937466ytgc5p.zhhYNm2zIWyYaqa.nezQmMTWhUCYGlrgYuvWQW7XST67rvBZAEfaZKQf9wsyn9q5UI4xBMB37ndf5SR6S94m8pG3YVrbQ_kIJx3PIB_VsjOnh.xYcRhZEGPhlbta3aWlot1Altt7aYtbPBBbv7bD5JFeEkyJcApAVmTwfRHYGjn28d8oGimQxpFMY8BvbTlHs157zWHMO8rSjE_EY4qrdXOs6BO5DfRhAXcfQLBlYgWk7b2N2BR2lQaF12fWsvmYv0PiOQwreYZSe47yMymrhBF2WD9dl6A8IE.ZnKgz45g9OxVabbPy240vtEPTYVtNCv4qjsKDxXQxMcGqxkapN7qjgqMGTnZTTRIX7Cz_9y6vmFSiyCMpZyYS1xMFnrcYyvxIydV0VEwcL5cgiNHfpvIsW52hHlcuKaTXeLkfLlQFFa7BtNkdXJkn0tL2mxB5s3JvTFNjVzse3OYNmwueCC6RnBZH_9WrVg.tve.lreejumHY4wTLS0FQhY5fnozi34R7idIfpPa.B1u22XHgLv311LKH_dL7oYLaN2yTCLUr3k.izidHPSmrteN9tiM8.1yRpGZ_LUIgHpf5BU5ZibP9E8uCZftiMBCOoa.q7d.DuAD7_G9zbDkuGLduY9tOxnLq25xYKlBklzewHqE5lxwcXyJtViW_LRM5grcUPe7YVSJaU1omn6obrtAjKF0HsL.wLicPfs_9O_qbI4eX8UDuMCgb9nds1lSUQQjJzfRatBQgmK.Xb7wG_FC.i6YNg.PoBPgNTRSJCF1Riz4XTwtxGuBCXvgbvTdimWJzwef81k8LzVc3zG_wCc5.BHKVppkkUSRaEo4O9J5Tl38VrgRmlzQfOgYNvrN6rEiuzE4JhFSpyjqMiex2edAbk7HeEmOXnJAxPdtIeBkjD6b59F.r6vHLnSyWFG7bhwaDOiXV6Y.AP7iQzYcXoRtY0mehfOhWOKciuU5KLZ.x4rZNofo_B",mdrd: "RGdMrLVyoAqY3wE5_a9jMG65QW7Z05KON_E8fn22Mvs-1739398222-1.2.1.1-.yntXrbFyXJJKwouimyDAiOJUd8PSpgVmUT1ixJSEaUG_MrGdBGPWcHvR3X5VBPOQO8nswJg8KnkJI18.4SzdlN97p6mwNbbu8WST.ju2rFqWkR7n8wgIAH76BYMix7wKx5yri5wsCvb9m.sEJ6TijR1TLmIC9kOpaz9DSAHKDC2oIIJ2sIDzPO6AIVjLM9V0Gu1qqGqlAOwHh35pn4fiwcACBgvkv8aRZTbNP1Z.0usV.QdRqo9ivWzChmUWVSMAG0C7FB0YwqUnlV1cthd7lfULA3i4XOwfpxyjpnWjxCmCESjE_lQMxkrs0XqGP1DXN.2DTDYuYjgybBxq3vGIWvVL9ZoWbwAlCD_jfSJu688j5WKHUbHGhzlnMEa7slbp7bBNqYaFvjRoC5PK2ZzXEgzWdRhHYQH.N1AD505atv4d99Iyg.PanoG7AHpK3llNQs6CDwbtJV6Tif_V9YDUQ6lxGay5RFO81W3C45YXZqoQlDKL8NG0tAPDz_PdzFz897xJVVHvqIwKaJ5jXC8qvhiCSRMaxzMY6hi_Zktym_W62NGBY9ozGaQfcPixT8IQvGs9nbzwnuBOZmqzw998ld.pK8vvK9XdHOdwgwt67TJDCyYkbjfOp7NqeglQBwcLGcxfEe6eNanj3bNI7D9ia6PTyGMDAteE9oVcU.Grw1dfOz5A9b.tPs8akci3bZiw0OA2Pl8hDo7.k80nuVsBawHGy2v3jw25SJKlz4LvVEVgIR5EoCDomQW6TPQV9mEyL_lPH64dpFjn4Wu05g36YrcMdEBu7N.zkcS2w2Trh.MKO92.iijUkx2nE.3Q7K3FWzMxbbriaBT1WWfo2jw17E17KlC.svpxEGGV4eUSGns9YdUuMST7J0leBCw7DmOeUSjQyArhGhClaH9SymoiXg2sFR.NysGIkPLw5_jjBodlS6lfu30dl3QpCMJgFkn4tZt2WBcVXdZtxyPrhCg8eSSEwGXuJqT4Mj0_wLLCSVHX_PuwUiEHW_z8EkeCcMoE6HUEYarcCbN.YKAYhMs.TiXPtFp8W.esxSM8Qdk69HhfClpt1AQ5x4Bzx9THOkBqqongfnNFFC.fvsXePUxseJ0QimsQemlECbN5NszDv5gIrkgUzuWXCLV1rr4whq6.FpZIzVMi.E1pTRZuWGdZkhQFYF0jZTmX0Aw6CFv5GKM4eWuYhfG7qUfoAKduHMWyZMDSqmbTp_JzuqQIfU03XS0476kNWQlAuyt93VzRmWi3Sdo24fRVTus5e8MU4EX.bsnQYLNjjVlphKXf3RI2XdY_NU7RukNKHxy0szTQgpuzmXkbYQXgWY7io0R682ACjhMLOe3uQDaj5ArrhcRHAefUmYEJTme2IWf.C7PwDn_FJvD.nHNRyIC3RWFxCD.QK.xDYCl_PZguHR1Q9DEp8VlyLqUw.vi.kvzfFdPritcRu1_T5bOiuVBI0nsAtcVGLYcnNXvyKQssRGJYgVgilSmAXzU0DjqJNUz30v4L389xzCA7uXzqAjBOB93CuoQlNs0OjT3YW0CakaN8blM63_omqlOEEkwZOabx8NnhEDfhDShZSxT0fVbOuM76PCuYUbVGnrQ9Thuul9bpL6cyUsb2UcWDPyiWaW_5_iQtvr8GWs.PJP_HkPRskyIdh5LS9kLX9pgi8LthzINaIPPeeXxFADjRmXpzwLRUP39dK_.WgJnRnxepxNUGwiXx_KVIQI8BnjsQVL7bS5JmyPTwcoWf6hwecNOJkh4lILkq7xCLPqnQZriuvqf8U4YU7lVbkEbw9pAVWg8CF35QBmZ_7qnaHzz.ZR08E8Ffc5lDVY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fe88b4b69289a';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\/1274539608?__cf_chl_rt_tk=2fY6yT1hpyonD7Avzn6RF62i2TbjNuiCXGUL_ituh4A-1739398222-1.0.1.1-_bO7sqaWIPXF34q633HY8pxIg7NjfAYpxR_RcSaY6rQ" + 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