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-031968788156.mit-edu.top",cType: 'managed',cRay: '90f3685828b8819a',cH: 'NAoa3WI04Cz2iFZ_1pN5pmtbkmW8PJp_zJm74Yo_lug-1739099370-1.2.1.1-hMU2SIhIt6B3VJFoMNpgxPuoWHsylvYCOlusy8o6G1I4kQmKsfy1nM9RwzhG19ok',cUPMDTk: "\/post\/6409825317?__cf_chl_tk=y1cfpd0Pfz1ZFE2rnWxz.nNPS3uBpMNWYw0s3ooc8sQ-1739099370-1.0.1.1-0m8rccvj8qzuzRd3bLMy0_Kf7XPABENEyQYw5gdskzg",cFPWv: 'g',cITimeS: '1739099370',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6409825317?__cf_chl_f_tk=y1cfpd0Pfz1ZFE2rnWxz.nNPS3uBpMNWYw0s3ooc8sQ-1739099370-1.0.1.1-0m8rccvj8qzuzRd3bLMy0_Kf7XPABENEyQYw5gdskzg",md: "R6o8P0c4Ol.emzIrUNfgQ5.MaRSXjyEKD9DCkO2fIQc-1739099370-1.2.1.1-bUXowNnqK5AvjFwj07mM2qpw3T5v553A8chpveRrv747lh4XyLgHZVDGwtG4c7NTMhMMTj.eryuuvO1sPh0x.O1oYOOCw0dGClJ_Bq5Zwu1ZgGZDVounDe3nZvMjkcFsEv_c2e_OVaGfk4_N0zoJJzrD5H2hhv_fNGjqnqkVAJ4KRVCFCLN2wevZ4OKeaTWUvJO.Z6MSWY11WQxTuqsMDC9LWx.BiZmYCCdYy4amf8n6h09IoY5C8qGThz6XwCL0b4aHVVc84LdFzcuB2sRy7d4mC04WHzKJVgIk43.D8WH8V7piEMow_clY19u33.8_HeHd7iQHhoO2p.gT_oO4OlYxtivZ8f3rBHByOTJUqC2moaiIpSv5YzUoZTQx6siCI_AVG.f80DEipHumJs3m7lYFhrRh9KU5hLFTvOaPPOVWuKS_hIdSSf4YPDZQT3Ua75CGzRwd8uS2hOBj5Y9yhmOouN.GD8W.wRPrz9a4bcQLB8mkAwtn.rB6J0xStsFzIBECYxeLXumjPxKi7XEU7DgzNtZJboWxwQZ0CjWE5Nfw6lYMfdUu7KL8oyJr6kkHK3oq6mZNiyCPMpfx1eBg9ovOmmfJMCsiwxSqugErRpQ5MFeQN.sSYxluEaSTaIsZ7pvbIEmbrk0B1FNZ3tT4d7P6_NxRLa0Kh4wVqAl8TS.v8rqUMITCf4jQT4Y5r.fM6Q57gs38u7SdwancXttdzbzHdQkg0v2Bbr6DHs8jaB9jei0bcm6.663U_MxsvsvtB_jvayFsHGmovn8rk0i5run2GBhni7tKAjF_NYzCxCCGAkECea0LSKou2rNHgfgA7QwDF.0okFIKmcWdPa81NDk0b_tY70RrJ9Tye_D204Ytnpis9ReEfma76uCXtvHIrnFSqXnWVNTYpEDy8q9rC7cMcoMybG5oQXT1Q1Wyw7.bCX9KY0F74XUk_HauLwVVBqD.hJHC_javvdIdJSlaiZBwqD8a3BAdnxGf5AdDiWP2lhRuAayi5tumsNoIwWFTLhnkBbm9vQNfcIf56lzLIafI0_3IkeIgsTUZk8HMOQctEIoApM_WQegaI6I59DnXtYGTbUXYgYUzjFrZQlzXsPFI0d9GNpo.N5DhvT4YV2pC4xY8FuoX5KRsxb2TuJirv_XppW4inrKTjBpKEm5gx5bmTDb.dPoGMMiftXw9ZuF1DXPHbB8gGdbSa4B3xcE53nEwG48Hemm_w78.SbLifvXewRI_dlulyUHMKVeY9mKVXir0rjGxgj69BVZ8t8HIZONcwIdr8kK2mXgW5tqV9vpFiRnnV08XUOTe_2SNVu_ReTcbks.5r7vyAO8xNam43wNW32wcfi9gi6NqUAMU0_c39DNBXK8nK4hwd6WfJASiWj26rMF8gD9r3U.5J.AG4Fi2KTJyVWMj.kDpptXlo7eARx2u2C7UufaoRwk_ADwks2kw8WvFnHPjXabDK77AYM4fxIhFl2UvPa0XDAAzDZ84OQjuCGrXmDWxYw7_fKCEhqs8g4Y1kDF1gpKAaYXlH82NMz4yt9.mT7bq4U0OGsYZRR3YqdRP3nhgsjK1QwPYFXesUOcwnvDoiSlgbrz0o22It0eNrQcW5Tb5t7WIvySXa0_i4_iN60TX2WCF3AtYBY.SQv4W10voBybHVBYgFtO7q8X.GW.9xdt0wxIwW3QzMtknMAWeIuSK5BL0HVSirxRLQsm905ie9no5hoV87oWb48sxW5QbmQxSwL4gSQuVa1buabQgfvngr.lnpolagQnHpkYdXEC6oNhzDeG4upo.lujVmkjHvajwjhhmIqjGICTYDWc8gIZcWfdKHLqQe7SmW5m6KGbVZtIX0CzzlWkB5t4IesDqSar9cm1NoLGlAgdJuW1wBIWbKRZNp5yzsMd0WqLqAdPGscXVEoEQTJa6mvMS52FDkiY2qtdrW2zFQBxlM2_mZifohYeD9K49JS7wMrWgBFJjBUUN0gxJwFNRcSYFbaUZJcuPDrCeEEeQOU.1FtOfQnxmEy8ZyVOBmHYkcRpPkhRV2GDLEErfrZg.Ps9HhiTGXaN5tLVjrZVkPoihcUgvmP1cYukPRbQ_.bLcJoEywVcOQAeNU6QP.wnDKxNkYJQwGGGbrfAoUTkroRV.plTKxDtEjETvOy2JhMyNKsFeXoIjjvOksd__PjMEe77sHSfaZmS30l6OxJOKTTQfJ5XXpfyHQHJUvOiF40XK9L4JqpUqzo9p7756",mdrd: "cWRvOPwCAgZTSx_mjiCxLzwNfBRqt5tJg1kwWkDy5l8-1739099370-1.2.1.1-zsS40Yksm4gzo.8reaFykwI.oHu_PZV.nSZV23wLkDCejDCwvclePr4n0nKxKDSMEb1yvsfHNsVEm8I0hqU86fbHM3EuLutwlsmKKS4tmP30SDLwB4.LbEoIs38Jecxo5Shy00gYfk2wNoeHxiqlXnk1ixXaxjMgXmmYU4JZuS8bLWivpXg3gd3RjVokPiSAno.9Ix6js4H7_YoCesq_OxfLUFWmcrmhNSVRortvjBEHKh8ngB48RTn.b1uGgvdYiu6nqRhTuGJDhJ9w13lUT43swA_esjvkDbIA9Agag3.RbfnmsLuvRh9BPqiz3WQasIAYQswnwn51aKbwtBckl6QYtIkPrXbyoSy48OUsJgNGKUB.B2o5GM6i.lg1lBsY5bfVcbpWNNOBBAKzo5civyM8L2sS2P7w1405QDr4ur1wNYv9NTFIa0JJHz5LXDfj3zlTblfDW6LNxxew8RgIY7KR3xYKUOJy2YkWZSR42F2UK9gYk9hAyejbIvCBPnOV2ldxT7eNvX8IIuhOgBM4IYjjYfg_0xGwK7qu3PNnPclOB.J0H3xE7TqgA4iZXNs45SPLk3eJ5KuZbZ7Ba4V50Er0qUPbdGbSH3I2DrzGzUm9CZGWtgRos4yc9KHo26TgOTAPwmm83pJ_G.Fcimhugsc.QrtuK3MTjZE_x86mA3_WEXOGnYAvORNhp1nTGA__I1ia6HEpb.1PEztnKxWXUs2Am47A_G7ajvqQrUf8m3EFRjRvPS.jYQ9CWPWBo20jX5YPGOUA8hpMtiNMYJpjzmbPwzLB4jwPj2uiRjt8k2hgGMTCTaHzuVQUKEBTWxwpY9yKaVDmHYU7kAso2TSlRQqYxlAn7Bo9PuHR.xKTxCoBemIYNwuGEKgbnzSVNuTOw1Yolphag65uopzwGmnWNTiB5jbqOA2.HA6x_PhBq4Z55Bv1tLiVK4SkhMVMMIVLznVkabF3mGLkXcirktAi93zG630nPPe8DZ5opl1KJT15TFN8XttkRfmuhOkAi2IRs4gtXkV0EFVEm418CAEN0pZwIvSMy.En2kzg.VCrM0TgkBQCTM7UUH11n1br_P0uEBbkbSe7.okXbJcwrSX.hddoXOE30PtA0P0fR2pXYR5BhjbOjIvk.45HWwdSbQs3Kn.X2Vf7PA53u_mL2UvP9aJvHJHEIMTHlkSa6gzTaOY4BKA9XYuW.2.Kx4kGqxehbVRk_nsgscHyWmEK7oGHccven37LkN3uJDJs41V56Lh.Pt5ZQa8oeSMg819b10Y_WqUz5HH0hl2bspIzA4PFS4D9QThuxpWvxe3eMUX3iVnWPYQF_GtiSmVa4MgUZG8mJ5nIjw.BRIUnpJsnZ2xWWw63hR5KIgJdup._DPSR2u1V7zhysqs6Lp9NsR0cMb.Kte0aQaUVxl20ScAvppQNRQyMgGhrn5dKaWex.iBgRSFBwQx9xDzkk65vIgW9j5JnAFK_c1dI3SwCw1uwQFY4q.e3qqFygjoWG__48UKw_mtBxciMoNynHq6xyyc7WW_AHubS1f3MaS6TYDTz8KTXGlAvrXioiRFy9bZUt46pade3PvcZBkqkdzEEPEtgPhX8bs_tm0waY4Ifrx1k8HoBmmPDiIu6FAx1zw8Fg46Vk677OzowjyqHD2B6VDNUH1qfOxYhg6Hi2jECAzYHGjDzJcy4Fs3yZ6d7TIdwN7Jruk_yU0mwHpCOGb3qrD1yVgC1TWdzXp3Se9wmjlD6xr6.9HxdGc8xDDft8La0mqa.eKVooY7ROpCuwMKwd0LaB2GTy50Z7vBnlX0cy7QvddrLKkEh1.DduTY_u3NatFNlfVk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3685828b8819a';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\/6409825317?__cf_chl_rt_tk=y1cfpd0Pfz1ZFE2rnWxz.nNPS3uBpMNWYw0s3ooc8sQ-1739099370-1.0.1.1-0m8rccvj8qzuzRd3bLMy0_Kf7XPABENEyQYw5gdskzg" + 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