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-389603988256.mit-edu.top",cType: 'managed',cRay: '91105b4aaea505ae',cH: '8EjJjJMoOjOzOkvs2.WJIpkAcAkBZNr1MmyOeE_3P8E-1739402922-1.2.1.1-3BwfwpnPUJSoiz7DQdIthEhguyMykbQ3OCF73pVfOgN2DbkWIucADxW6Blhv5E4p',cUPMDTk: "\/post\/4012386957?__cf_chl_tk=usEKXJn1nsgAx8WY_cdJq6BA3f1mHUAlKs7D5BWCbHk-1739402922-1.0.1.1-grCvY069gCecOXlnuJzfB3jHTlXNwLeOT9frmnwSDBA",cFPWv: 'b',cITimeS: '1739402922',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4012386957?__cf_chl_f_tk=usEKXJn1nsgAx8WY_cdJq6BA3f1mHUAlKs7D5BWCbHk-1739402922-1.0.1.1-grCvY069gCecOXlnuJzfB3jHTlXNwLeOT9frmnwSDBA",md: "UdES7xK63yPTnFLq10uClUdvnBeUGp6UJLpM090Y1qc-1739402922-1.2.1.1-T3zhaNQI6UYCD136TQ72C7wnSbTtYfcfWXmRYMfvsEtO43tQhtSGW33nyf_lljl4ihd3G59KR.Bx7ovqpW2cdKAaPhW.VVOfK4IfP_qt4w7qNsh6ybhVNNRFs8B6LUbONwn6yYe0eaz3I1JMgJOzmVwFP5Z6e0xgCgf0wdmr76dQl7Va9sDw2yF21eIpTwcBB8hPCztzevWeRaUmQe5wIM1D4qjpLxDovQKOLdfyqfG3ebmSBxmC4dkBC1Nw0leOGeEUjUO0sj2MOcwUXJH9kV6yfKuWXp_g2zNMzguBHS3ya8.3ScFGlUWfRILTD.bQLgNkDAaFVRMO6O7TFKxCp5DFm30BBW_1zZJQv9CuRZKvRet95fAK30lqerpDB4Vkop7Q4A7Crb9yF316wwWPRGx0obAh.xzLiy7TLaTqJuCDQSopnHHKlAFNeBEaJvfZY7qrhmMWnEND3el8oS.23gGV6_1d0dcFfKakOCaT3n54tTBTTWI7iYzVn1SF2MJgcOzUayoQT758uxTx2Fsxw3ziA6a.PvXG_b31.UknJ9Ge3XDMfSso838z_0IrJQf.BmkzFHu2P1zPLt2_5ACf2keislzx6RuBhhGQt7ZtkfUfTJknZgBbqzdKJewVf3j5ASdZjVQHNz1ItZanSRdw6doKgQI1Z18ON.JlQP40qE0BtoeWB63vedvTwhHOIOVyp2YSVaABy7Ch_4NXGOpSIOOarw4Yrn36NxXY1H9iJuZOH9FVqxffO.MVKS9akO0EiYTxaKjPD1.5B4pTQx.zjv.I08Xp97fCQcTiAExEbZA_TNfwtU_.m9ZGrEElsgo5P8EMkPxK0hOREIRf.Kr_7wPPwwypl9xkmwt.P6iqSilvrMFSRE67CO4rA4XU6y7mNc6xMQUe5X7SZ6vdOiNaL.2KQA2C1dyrKu5j5utCxDLDOUFhrjs2L.CG3A0DI3sbH9XnzQaI9WujnkqzSS54qFbcUa32UjeYbj3hZoUtQDcEQrpDqNGRmkKOzoDJ9qLTRDvNQ5UBDnqGC72HHApQhPsy40tNqDiXZoESeAMbjpI838Yw9KUkhgAOwcK6DLYTcBEThBpR0s8JGF3xNzjqGG6HcUZKxYNHR6UX2GETRUs5EXQLIO78BFONvxdfz_0yb7Phm0VLYRQvsUIYZglrWgrAPFJiE7weWVo5KXrH3Ipt6xO1b.I6XMYxWsfgcsGWR9lBaMQzGFwkODAn0EsxvIOeOBcbfb6gDU3gu17nE93QjcCQ0LREvkeS16prRM98hR0.K1I7neV67U3qW3RdbUvI5g.7WILfbzSrhFwzpftQVJYfnYvkdxZTZAWCQJfMdENYj62lHiYxMClSFP.gH4jSXrJVxAcySN7ivbueFXrs2mquPb.pBQneHkRd5sSURKRirRXPvduPuBXmBrEXbMA_cpBZQYi2raqEgXaKYMSSq9clGzGFonJCOOUeuxzTfBr.6._ysxSQZ9eSNva793GBPqgTz17GxpZdHqFmH_OsfoFjGUc7mMlr4Acy6mvN1WLGtCV09MG.5uAGhoaSZePNr4.bmhACc9jhzc1Ilc38OzVhDKFBunLp6lbj_sTPOQwufrJDNk5bCtvYBrzJicVK61byBBK20Yq.IppeO5ivXBXAr6OgmLjguq4tnWavaEL9OglJDQCBGpZd65w21ECeCNIV9ZPw0YTCuryCH4FiY7rK9wAhC7BgHzlV4_2ywAxXSJukGLbGSYwatLNZE25u3mPHngXepRK34hXDv8122OtqySbIJXi8G0m9cVcSbhiCq95LKY0L8bygGIkfrlx0GaNdng4dXVK2tllp7_PmmTXg_6qG.bKiLL3tJSA61_pasy6ca.mekdXyyCv7vLghyE0ersjEam5E4UD9xU.0N2fDYYGAvdLSCM8eEyy8bbFWkAxVK4IQ_6MGyqoALzehhnqaeKbK0FSXKzcfn5zYHuMjLlvGjytxtI55K7rgxLUruuDwz5kxq6AvlaRQYY6o2zF6O8NB20T6hjM0FoFggbBvIE3SaY8YaXon_etxDAAEFQdUb_oc0SyqutMYa.hIh7wctQ35zyBHidMnIuvjxQNjJG6BW_fIyYUzhcjGyQ9yUJTB5acfxJWfK.XA1efjWYWpTkRGMiVO9JRGJjnZ.Dv6qmeLG.N4eUVLpOYWq.Rph9plrsjV89GDS_S6BDDT6T0AYZqf58LnAppjwbkRaZVxYQrK9u3AqKQxz1Zt",mdrd: "Fge3KScpJAPqPKvgSUJpNDlH0TuKm7rr1FVp.GSS9K4-1739402922-1.2.1.1-OH42fChKlx0zMshe65tM0ZbVPMgv9z7FAMUaFIAP_hl7FC1SgcjMtjRVC8tYXrSeTEFQ74CORvAzZziw6VzmzmRjYwgKHT8IerpBbWVScY1m8FkTRnXROvG4QnEMvERp.aStJ4gQ4uadzUkYtykJsilxhd1Pcd2sI1JyLIFzkoIlZU_VescEpU5RWME9GTOeZWc_3ueDZ5wknm6oSQyo8LUzzZygvdwlGx.WtA9w0MXqgua6esZ1HjzB6G2OJSbUN.i6KLg0n2uK09ZLQ4.MKvNqkNE6wcXuWSM5_uKIM_3AfX.NyKtkOvF6DEQNx1q6V4IXchFKkMdDGgvSn7qE1HT7vemnrTLBGLUTYqCcwQYzTG_EJ_wT1LbCEOyzR7_m.iZ902PpiWtCGOhk5ISDxFdL_hrsqzSmu4PHLEqg9.pm_thfGww9ZlzwGXZBLsFvzw1rM5FxYCPOnnWWrXefKjwNip7v7..5XK27Ewl69cmpGOEm0kAaL.mkK.tLh.9TMgPULexcKRZyjw1tobMg.SKTZRuJvIxDxgnN9.XCIInxbuQNcZMmw9_M6Zf91bYAdd_kCTwFcXGztbMzAre5eVUl1GtkX6E6Ct3Q4sPjUIIHAblCVEXk2fNRjQESqfk..cBR.3r48wV7ibPT7LycDaPDivFdD4muByDjAg2m1cEtJclPX.2EeACcpqQWmWThiBZHXNQyrHY7MrAeS8NLpmDs7kPHo_5i654Gu7n_u6yX6eHyHJqq8EZ3m50sIeV7hx5wvw72.2stEBf0_DcL8qA.pWkAdisRe3O9L9g6wBoNpEKTH8QBZcei63uXGnb6qw348K6xLrIPxy8pWZlTlfAVPa_rbHY9pvK9KZJlZJUpqx1PHYDZ5FEb097TyIlKT_OJEm55CxRepnY4Kny3Rk4bzeaV5HvgsJ.ZxEPJiXRUhAH6_iBhPcg4YuTYz7UurGu0ImIZzzZebKSX6bynCEionYr71UxJIvqGH1iZOAER.Gq.37lg5z6U_D.hWW5OXJ8_1NWpICFnpRiui2AmR09o64N3j9CRyCKPJguYDrWGnN4yCZdIPLrVyHb6jca6mZaETWFZ_WL6aDq184Cx_mHPWnU4.ZvXiBxGUvdRDIEL9hz0oYmxX.Rru..2oSQrIdTyzhdboXoihhRgvm2e9F3811tukKB5uG3j09FrD5wZKD8LeOkCZWuoZBy00sysZNILNCeuGnW.zr6avq9ph22tD5DGqiXVZQvUCluc4hgf7_rv7TOkIxpGXASTtoScAxC.d3.YAJxQaregtmMR2p33Jmny10f0dY.IHs6gXt__rvZj7hp9jbfzmeJDtzzM7IWX4YqrRDWNmOyMSCpKbJBIRHq6tKaQhHByg.lJ7sNxeyikQFl2P9g.l6121aBceUiOGtbg7WJwCx590IQXJ1YiMjzAwoOK66DZ.LIw0T420BhCFFPAFwL82C5qYNIRnT4PwN32.R69_IjIN7hrt_xRjfwylTlFsejz.sE9n0Wv39849tXqtJZp00X3McirMDCWw0GIsstkOHTd3N1btJUMKIKkBxpUb3jEiaSW05SfdTKLu4rUknoKUb9dlEP47lENkoFbsxjVle3txFYYVJW5uZ0PoDHRGc6SugvrWTfxsBYDA5NVYRlXRVYBzcYKZu6iOuDD5BhDxgctZVFYDZtq87SO95aUvZ0.U_nByA.pomMpQ3BEM8HlerQNlXNoymx4H3wfVKDADLwNw_fSQVDEd26iwwoZybeUMHRgx3UzZdAtMnDfdGhfj88ZDT5VerNU0mJlL0jk9s.3zl5Riw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91105b4aaea505ae';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\/4012386957?__cf_chl_rt_tk=usEKXJn1nsgAx8WY_cdJq6BA3f1mHUAlKs7D5BWCbHk-1739402922-1.0.1.1-grCvY069gCecOXlnuJzfB3jHTlXNwLeOT9frmnwSDBA" + 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