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-236280567735.mit-edu.top",cType: 'managed',cRay: '90f69838ae57d668',cH: 'oJBCqoXEnCnpoTPZu0ZDxVPu6ezz0.W6jdypiLEgWg0-1739132788-1.2.1.1-dyHVGNmAqOGeht9SJtLKooI0Uh9m5oMid2WH43Cs0NGvN7GdTAnx1daFrTzziAj7',cUPMDTk: "\/post\/1350482769?__cf_chl_tk=H1qpmHofxx8.Ol918m23oKoXYF6GA1P_lN.oWGjby78-1739132788-1.0.1.1-DE9gRTZ998qU66uG.HG0b0m6HsdaqnFkF80v1aRf_Nk",cFPWv: 'g',cITimeS: '1739132788',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1350482769?__cf_chl_f_tk=H1qpmHofxx8.Ol918m23oKoXYF6GA1P_lN.oWGjby78-1739132788-1.0.1.1-DE9gRTZ998qU66uG.HG0b0m6HsdaqnFkF80v1aRf_Nk",md: "pBsliW6zdZFEGPfPU42cM5NAv8ylyHr6x39pscQFsPk-1739132788-1.2.1.1-f24LE.hGI4Em82y2sw5jjBnTTx.AtIdwFCpJRqR3qXObuRAsskxUpKAAJ1uraIT0t_myyT5cyEtGe57UaxHJCZcy3ToC6JNZdbnH8eqF406DsYyBB9FSNbutURf1qNjvVoXkjRE4OCuH7TiG4Qi9axe8q8n2morN.448vbe66JjN9KTIY_.z8dJI_6zemyTd8IKq9LX3PQSEqvbA5lEIhYz0a7u7RVJYRaj3FUBgTQAatcPT18kPqVOSVlhOWgBhFpEwK0VhPGYKlW_h3wHMb5A3ATfKrTGA6PIVaBBSSsZcTHMNlBQ4L9IuKENC2zKuZw8a7UYlmqiyy33NCfQfTjAsNaiaTQ9FoWDKsb55kwJ9u9woGiGvIvqRiw210WXCQT_fZzBkbAD3Q2Isjm0oPXlI427LjMYFzcMIn2n9RNBeh6PWdmbmVEyokrRPQbRaSfH3xlSFv.4Z9HkiZJJjjYI11pVCPTKQsYnd1EUYFLqKjiuWO3Ju8Lodu8FDTZUMtGutHpokJaAEcJCSiikomDx31Tc36YTyAQJIyNykWZ0QOSHUcAEJbZWkC81pNjdeOHU.dvwVKQDdogsETy5guRpxLXCY31Jhe1pU5Rp5K4IEpk0ZIKJ7JoysZcjiw0QkWLWHIRu8YA5D5eS3TI00TiKLRepFZ3MJAnVRZpD9GEsa81yUhcmJxUHkttg4WH.FAJqrb7jmyWoj2x.CBCEfY_4tO8Pw_zaYMSMdF4EvbQp8JQ8LpwJX77zezqmupM_vW6N9o2JriZapamMuYwVlPQZIoXIg10cZ.1AhIGavrmZfbKmLwF4ceGxQdEJsTEJevt_85XsM3zE1IOXGN9rEgHtjyB9RGwGd_J2OkLTaYvA1djZjn5Q5ws8oxhWhBBt18Z3UrOkkjouocMYac_d7DvUKmEEcdv680qc0LFtz3hR73y8rZYOb0xk7jSzOljZn4vxt0tQzRnulLWwl4_lL7wBDEPuKcCv58A9YZT5ORVtY_XKcKTq2D6j9HpmUliRj3y6okm5eGLizfkQ_aKafgpzlUuM6yfnV9ezhldjtQCLVozpLn41wjTQrma8j5UI44TAlrT2JBDzh9SQQOFqmQYaSqAF8nY5sDX9xnr956YiJvlNxmCDT9DAlQSr5IitmXYe4pywJ0iWusbDvRiT02f1xkkfKOyhcmu_Oz2l0MaMfknI.A_IzF3_fkx7.uDSXFb4A6hjTdEYhxYrUGlET52Xt1SrOo3TKODWa05YWiC2LwgPsAM3.Zz008ra4ELlqEnLaVvryxFWVmSliTZkEO2eoSNjv.rieRl2fIObUaWsehRM.WCZTkvaCPwQ1HZRYCgkePpb7Uwlq72ozZW9zUiVUtXbTdHw1JViuJXF85auuYlh73ef2CL9NnPuLN0CPzCwODhMLxS_lZcQscfIO6H1Embec5P0ord0r8U0mMvqhTVcdMOJhdrIh78MHIlXV3RdJssM36BLm8yP_ZtV.4zuhmR4Jn3fT6E.UCU6EBt7AyZE.5EpqO8u1YiVqClVEjSil1g6BlcaBGwvwrZpf0_resBr6oFxV_SoSVsZi0OimF17BB3VpAHDik8Qpn9oNcJJxXheuLVJ7YVr2KPGcN_Om6tx07J.ZgI0SyWlSI_1tCQ1Yf1qfIx635oESZmUZng06vJSblwdMP_vyF1PjuU.q3wUZh8c2iUhQMiCIjJjQwnl5X3cO6KAz.XEL06u0T3qyJb_bnPQaAS3aEtAX.Pvw_t67yft3gM2cujQm.m3Vd8kNxig4F9iB10LWal789m_8k9tC2iw1Gqh33I1PzZxnCYVipffaSQlYIQuYHwM9Q1NWL_YfRPLr9mJpEgTUUt3FPW0cQcbjtebSrqaZXYppXkvdEbDr8xhXn2kX4kfHjinOMpnBjVPoXsfuRZyXBlvYXRYHiS.if2_dj6ZYRVn1n.rYIrpWHQcZBpb9FvyGf4Zl1n0JqqbuNhuNFbywlE53IhDKPcIp_ZHjUrIQXmIv5ccXl5mVXr0MutsyYZP9N2sSnzUViNVSbg0g3mLrqiy_jJZquchnszWgs6FvpruwUIWmxJCW_42ocUyYSqZk6o7nFgajI_LH4qde_waePEuvF2VwUJqfHyPMHEhCN8kyo1Ym3M_1at6bOCmxo4RriNOczNYh0vBIR0isTZBzFbm8nSGtWW_OQsa6dyBnR9.Q3gKMPUkzapviHmwkAqHzM_j1FBacddXngPXK96w3",mdrd: "1JfOja3GwXn8ze5nkvlwIYPiUWSMy4Sn33byFCcbeRc-1739132788-1.2.1.1-r5o4xkw17j4pGPpBkH4C.xMUWy915PUTEFo7WkQzAgkJZxY.T8cRxqXLSLSFvzrYnt920aJ_wP3AEN5PLFoMTBfEcpNSWt_KupG9o03o4o9dtjwJCCkJFC7UN1guCtOvWXss_w_t0ojH_Bqe_c4zl3nopkZr5av_1k2zsyYzGJZ4NouMi9VZYN40pwWBJxbwDK_KX0aS7UfoBXCoUhyijmBkp.gndGEKjxCH9dja52Ynlz_D7b7BLMMqZytI49ob27GpKY_wTYFigMZ09mhkrKL9CrXueK_0v_OCaqsbDqOIiJU49O5zbHo8t9T.x6GFDir65TYfInXsJTm6L7ghsU5TSaSp07axfk51fXLzdAHw3cbEA8RC62cWQ9U4_zxmyk8LXJE5mlTbJmFj8a9dEd4.EZXH1Veg4BAIqAS0H1rArYTL3dp0B1C3tybptW5chtOy9JcLpipIxkc4hxVuFoUjkcOJLsuNVzNEj380dG8fyYmzSkm5JcSRQwAOeo5l3oCWfAgEXaS8k7UPLgKJv_3q429prXY5Jg4TfDbeUwiQy7LlH8sWaIHKu.HAfNL1.BI_ysrUprFuFEndzZE6BbEIAzp7y85FVAsCMDtYc_VxHT4S8ilvIrFpFj2.a.mTqL3ERoeOloJO.zpE6By_rUh2eiV7QK3MlI1pgex8hY9oy8hjeZASy65eqppEh3J8N9WB8Pc9q2bsW8EfP4fniesNtNGwJIeiW6vDk3GAgwlZZ4RLMl7oDfLqrZaNIcTBDhOOUlonQeRD1avwt0VZ1k50.EH_3CUEOq_.uXI9Mqs2nSprV4mDi3qUH7klfDY65A1LnJQn8635B_cbTx_dCn2ps88jPrWjmJNpMm7Oz3tdR5KnOI15wS1idpszR8KIxFS9wkA4i.DESwjsh9xzTm0UKZd.YRBzxbangAgITsLDiNgpFGpYZcVKvxJFCilfc8M9S16Bdr1BlSvHdeUrFn7lp4xldcyfFQunlEHHCdiask3Hel6L4GUwh1Wc40PloqCMG6eilQuoa7_096Jn6_b8GhyaSKTRitciKRIy1fmDfhd0YhpowiIRnV303Kw2gr3Kjgs.io.S87Lbtc3E4c9cvJC.o.6dGHl2AfytyZj3FGH7132hc0OaZDGm9SxdoGCvftaFcwSi7SeKs6nvcRoz4XVMyv2XsW81MhcKeaMrqV5Qw5F7a52pWRsdweheNZxcH7oRjjYi7ME5P9a6EBIHXL5OQYXkZFoG4JP6l5k8E7eaon11eYVucWKr.mme5GB5fXQxKW9UEPUJtBkDXUfGpMk_kTQj7ApEVjxYbJxojpCl7Cak3ztDveSCse7aViTn_lQ2H0s7zwJ6qtvNOrSN8fxMtIn6HEly8FMiVsKX1xLIo815IOeFV2lDQzUP.hT8WZNlrjs55_TI61LjtxNKlsKtoB_3LLNWO.TsJNgRAoeoumfKCeFO3IozqV7fvvvLXtzpj2DhPyaHlJq9zxBUQZ7_v7N_dWm0vbVgRIQii1g6311wImJTArrjAGNcowpJ9SLDhRGDgvEMnKGjSCo1Jt0xSH.4nFFfohvyXtGkQrXFXrJEfNl2S_z2GqwCSzDOH6WDQ8_xTZ_rY06drPFflETnkbUmXOFo3wpoh539oeiYEHJ..oR7DjRTvmjXPeUxOh65unx9jI1qRk9gvzAwmGhdhJ..DDlSJ4du0a9UdzBcnI2uSYuQ34CvInQPtlGwdH4GxyYN.vYXxk.F_9ltW1W5Fs33_aqc95k.CaXrm.yV297aTi.yNBD3RpF6eZJaDpZl64IZxSsVaEMb2tN9I5uMe5u3Nwja8RByiP0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f69838ae57d668';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\/1350482769?__cf_chl_rt_tk=H1qpmHofxx8.Ol918m23oKoXYF6GA1P_lN.oWGjby78-1739132788-1.0.1.1-DE9gRTZ998qU66uG.HG0b0m6HsdaqnFkF80v1aRf_Nk" + 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