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-250697039932.mit-edu.top",cType: 'managed',cRay: '90f7b025cc2e592e',cH: 'BWCkxg0d1tOYbI5S3c2STy8jbDSpD1IYOgK.ayViRFM-1739144254-1.2.1.1-3_M5VdY2fWfpTO_UB2ybdUxMBl8cCqcx1ozI1tQQNuRfPc7h_MnJlN7KJm31eHAn',cUPMDTk: "\/post\/3708426591?__cf_chl_tk=oJWowymcL3WuEp_4la19WrdAvGQYvanvNGGn20u9eIM-1739144254-1.0.1.1-321efDEzIUy9MqlSHYMsjtYFBqWH7FjPih56Ct_tn34",cFPWv: 'g',cITimeS: '1739144254',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3708426591?__cf_chl_f_tk=oJWowymcL3WuEp_4la19WrdAvGQYvanvNGGn20u9eIM-1739144254-1.0.1.1-321efDEzIUy9MqlSHYMsjtYFBqWH7FjPih56Ct_tn34",md: "60yHsEJNd_btSHokcCMKCJjxI4wXUmKSeRmGDSG1f2I-1739144254-1.2.1.1-eKLZ41lvOkCXNc_T5rjQ53UOIACHxBzk5ot0nV.16I.IGu3gLWdYKEh2P8H4f6xClZWhhpoily8uODK2oY6vP9.oaiHaf86A4WsFzCCwsJbtvlgTVrT4htDAMa4hCHh7f_4qPz4p4dJoWu1KYODYFOCVli6MNCVb2BPaIiX6s2B2buKzDRh.f_LZsdFC5ZdmaivxomDuuSN3sEJ9YCsxw9Q6LaxUY2YNzIQCgl.6XiUK7mPWZ3pg.uF_hdQv5ABrlFShvRt5INFGZWmqpsxIdZLtWIke6nvYwbD1fzVR0fQs5Saf2QvWmugE5oVwYc0.qRO84jTAWGuSSu54y1kSUQHHO1wQK5.YecalNJPEgIXogFv9VtlXMyqtbs2W3DPAtNuRbr4Ba6hUgqQpyfkikS_MuTA0SjSpb6KrdZxvkWJQYoeWyo5u5OxMzIqjd80V9booqzKZ6RBlp8irEKtjbY2E5md42oVhvcG4S6FlULxpaZTtL8Ht8gTs15cLSf6o8hznrNyoQzslU_xlOi.V1QtvZvM.Mgh9haBtSHgWee3.Oh7tX3sqJmkrKDdd_a1AHpYSkoGQk7M8hIgtKGdlIVnXCPawwveePa5jW1uI0hkBIl7NaIidbGPwA6uOeUvQD8lQF1SCEJY5jBVso4SG6RiuluDTZAzvtnUUGjheLlx_PW8KclfpSq1OYE1PxxCDzp1TWiupQ6V_3KQ7tEb2s8vxIl6P9rXVFnCL0mXbovxlb6_C_UqafwQvCHsezlhCMXsd0NP0OhvUahN9k.Z8t.JG0S1bGcfosno7NY7yn.qrf_jcFtrf4isOnfty49TH7Nqhac4IHtZqfzmniDbIjPiw77Wfy6BbvgKNTSo4WdKmiS1JAX2WR4DxVN8SWkJfnZHSJ.dtIDedJhXtNESOHuOwkmg03hwzyMktCnC5rmYC62mj.QELOIQPVKBvZtQX_4kCU94Y1UFltPMb4HDQbRoTebB26vufEU6AlIqe6Ry0xPGUvRPwyYh24sYTGTYW8LyacGHzpiAyiKLWU6WuFEVvdY_KUx2JxPZwwgch_DHCG0apBLXc8WsA8yfdzMktyAI7nBmNoqPG.lkeESfLP7PenaZVN3W74f7GBEOwqcFrUmvNcS14OCb3ToGDnkUvErlOKRWWs8km4HODNJMNQejoaYQswanDX5virrpQbn6MUp055pE.rBSENnUstQmQq3bxgZuJeAuTjUVv8WQqNS6VOxLZkBmO29IrTSjC48emJcQ_Mf28iFhqCaOFHmG9a.uRQPwg33gjuOU9VTT7AO_pD6DySn5t.kjkRZtrbnBrqTnxNzMuNlbkG6TfqbPrp99qDYYijM8kfp8yUhF0xV8lLf2HzOkYtegP72MF6OJj6Dc5UxNtbaJRuiRh2Ol08ryw0tiIfwh8QxNTVCx2y5QEpNCPluaz1cHbRmBJSt_dplZFsfb2Xgl2jGOrPEKg7Hg2ARxH8SSOI2.q26Q4CixWr5lD7CMXZOMcPi74hWGsxC9pb3pqeNoVuETeMcCc28RKxMaSEfKa9HnTgri7IKeLx5bIqcEPCwUcfjD365bheUEVDnzHdFXeoZQQ4Ss.CcW4MogoGzdZzTnHbB1BGYoZTUiQ8Mr0kwLy3XpO5__88xIBRTKSmc6T9Kv99XIp6.wKfwhDjJ6Pat7CdIK5RwS1tMYPlrezjYDYB7e3jK.enS1K8mYoC523yaTqJcDEKsszjHHjsRrAtFaMZmS2gHu5ttBPsFQGuDpYObiTSXBsfIGRx2cTmPwXF_AksHfKFHqhT8sTZCQQIMStmr8h4vSoCRVbVHFw00XxkLucDR3H_Ipv9whZacBYCBOtFa6UIqKrgMKkcZbQjmIS.pma5mosqXhPlOV8enrBU4xB6S_SqRxXbNWwV08hbwlwsIwKv.DKcpuejN0WGZbzyggYNNuhjXRdnEuLk_gZrNPIoVzEyCaTshCMpwj_ZpgMqk892Vb_Gl93UHL7e.45m2R0YP9CXXdJCCGPAgaz_F_vS7w2WyLpFICTu12o5WZueeVfCyuwurrc5SOE04hXgg_0J9kVBlURWhVBzJNiY1rhnw80_eS2FRsG8IOH0jlSsohP12NihGdV2vybJpx7WaLaALGZzyHTBznnsUjXgNXWas2Y0FmU7wXbdjgEa2wqmSoB4ch0Epwwzb7Fk22E59cEM7YU3uDanNNQwHE8qK5epZQeJKvyRHeKN.tFo1n_8Yh7",mdrd: "J09O16kWocl1EES5g_OkmTJUuu17ScjyDoLTkDqGNRs-1739144254-1.2.1.1-qaQLW6WL11PjyHdHZi1oPzdcQXvbcK3AbqYDJBYz5j_nnAOwJMLAcqYKQM8nx0evl4oynGCX8cnxV21.4xSum2vOn0jCm3zskOfv56JgnMW90yJrosSQ0NuDfGp2ejkLw3mxYMljmJrjo2KuDf81BZKwb4zGXStDSqdrObw_ts1gJ.OhJTfAEtBSJe9a56i63xZQqmshHm3dVSCadbqxJBtDSoqwiF2CEpBDVSxfC6fezoe_.wDYBGKfQF0CXsBGAIEGSRUHXnJLMig_RFxvEA8C8slIC2d7lW3qielca9s6FhHLvbAFcAZX1P8K7uejQXmscHSGZ.axzVAVu4ooVv4hJ3n04OtraPWtWzmRxwTz2jGMTYUpl_DdfpoxYp6n3Jg.mlEO5Zt5t_zh6_DnBT7OlbPhGA9ajE8QIexsJ9iZTBntqCYmupRTGL7lDEWqh7Cnw1dn7VGaiFMFqJmO0iI3PNj6cVCqGLctstyrE71AM3Wu1uw.JWbvVPDOe0LJ1_HHyBr8Pj4AtxS4TmGyj7sU_mM2u.s_N81d5p1rz_cZzkZvPila0ATCqCaBBum2vkFOT.QAhrFVgK4jtWHpCDYZ_oEzpUxwNXWnyKs9w_sNP36kTORayrce04glVCHltZu9cQyaf4Qd57JbUYQJKI7v4L7sKb9sOGCgXeNJCdGk7pfHBZRhGBf.DPJLUNBzYygs1Z4yHVWjDWUQMIMzSMtcz_DcVANU2_oGWGv6ZgvmUWzJKgWXh0G0bOgBhMjL1qlmH4EE.vrQ2i7C_rP5cvSzHDEqEa9i.QCqBbSi7uG4p82Vggfts8hJwoKo5V35P77kCvRI_dGvRWy4gxOvr7JGEfDMqSCkJla6H0ixyeoqBXTY_RygE4tEJLcNk2_giAJtFd6qzLqQMuow9v5BFygAR2vg9UEd6FqXXS9.Gr_AmtZwjkc2kkYhJaRXU5ao2ArZ_MGUGo8XyMap0rElKrLBuhoYiVyXV02FxxPjdBHKyQGtJU3OYLuAydReYAYPR2JECRJk2UtAibQBZ3L3rfRz4xm0_fy_eaB4sUfKPc6I6gyA4BkpGJDAuS3FY2CDMUwmzRUamr_Dw8RqJUWOlLavkgoZnI4uaH1ZFoi6gaXmF6ms3PX91osvUn9S.FNYXJJeyMtGUD63nNHPohETM2x6iMVpLzu05qUj1KFPne0fNcITCdOALCtIV0y6PVMSsPk.JGbZonla7eDemvHXDsDDjxtB4HS.TjzVgC5iXB10Iv1Pi8UAtbIkCrJ9ROKpNUSh4KfUUVtr6AgaR.1.PWqGK3M9kuVHhxYAa4jn6zSO3X9NyUGP0eOM6atZ9I0GPMBXbZS73pl_VfncayCFZ9_kT_u4TuE_.LQDvAPsM2aiX7PgY2jKetZxRoKg2XhGH8Xnh5ILsNf8xXp9kWwlBZKlTrdDS7YhYn1b2u7Qq5tXslzXEzkIvMQF1GgwOjvqT1B.x8qFPxl9pcoCwPj8F8QZnpr2mU7uUs2ey6.NWNEzO02s2CbTY6wy_E43HMuH675MDZV6yYwkfpbuaf_1CQQHte.0zBj8PB6QLo2OtcQ909LFgeG6WekGFQ7Ln.2MbwXMTHhNnRWtX07bE.nP.mDQbV5bBV7Y27qkBxQyt7TlxqEX.csdGGAdLZx2vanFj.bWsXph36iozI6ar73FlqP3f2M9wSKMZ85xOA5Wt0NV..eQfrYFK.oPBAG6bMbOYgZ7rUZy2.1cIkOlyd2Yroe4aVfLE.8_HNsnnFUvX_l5s5sRf6lRN6PmRuff.q5rsx1.sUuPbNDcI0oomExuoMRIQc_7eFmynhywWk7hzko"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b025cc2e592e';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\/3708426591?__cf_chl_rt_tk=oJWowymcL3WuEp_4la19WrdAvGQYvanvNGGn20u9eIM-1739144254-1.0.1.1-321efDEzIUy9MqlSHYMsjtYFBqWH7FjPih56Ct_tn34" + 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
