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-147831379952.mit-edu.top",cType: 'managed',cRay: '91065a821f02f272',cH: 'htVlglSwddWaSmJoZrzgh8Oiu1c0m9QU47czqhkrk4o-1739298032-1.2.1.1-dtQHFgovpXQ_xUUG.BzNkjEX9LPR4GnfqJfXNbrWSCD5sygLGdnFHHuXBL79KR.v',cUPMDTk: "\/post\/6305827941?__cf_chl_tk=iO1j0kiPQwdy3sqUFWZ2g5K8BQZbfG9IvzGCiS68eBo-1739298032-1.0.1.1-pzibxeVPhfbrbRZMizyLHm4Eh.JMGbGmKgvObEc3Pcw",cFPWv: 'g',cITimeS: '1739298032',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6305827941?__cf_chl_f_tk=iO1j0kiPQwdy3sqUFWZ2g5K8BQZbfG9IvzGCiS68eBo-1739298032-1.0.1.1-pzibxeVPhfbrbRZMizyLHm4Eh.JMGbGmKgvObEc3Pcw",md: "WwcYHT6CDvteSLIXKYAVhFTwPXaxJDa553_MO320Wwk-1739298032-1.2.1.1-u95seQojQZn0GgFOzgdl_IiS1mwjzLaNO0FF2MQadJN7YarhuPqRfCFcZE2eReIuK2lwSnkrsbn3Hbwi7xVa.bSmIdW1WMyEdYDdYzaGv3ba6.u.EooDvL9y8zC3wjmQ0C1YeMPJ.6Q1X7hsbKdHz6Sc2nWD_TkoJ0pjDoafhI1oEAmuPbVyIidZsqvrTWVs8WD2q6zveolbLQl0_3SOR3tN5RnppmLI.itbS5thPeDMDrMKbFGhWCOWtr7.bUXCJIyHtEt01gn05bu2u1mdjbWJHf4fnrWdlmpVeV01Hjsp4ic4exmeV_zCPuLxYltTJuKLY1VY8il_b_1IX61YpF.kMMYRAyJkooitMVFh3OOaYDYc5qphdFZiRdS6_06ICSUHNHpN.3Hi_CMDkG_TU32rUFHq0sc2ceHGquY3IOoCYh55vvEE6QScljaf9KIILThL4W79Ee2ua1x.87Yg8gYtWRcFFATHY4Pc_G0qRu84teHCQKj7HTeE.UWzj.3OOoIqQ6e5z8Ix2cmT7KkuuVK.4pXGc2qsE795ZbDqpn9p53.fD_CSp.yQi7tBMkSEkvZPfEXKtr8cHdQ__em_eP2jy2r2XB_jN9hkOWATTd46nqBwPbdhDKlwnBcCLsdTIhXO7gOvjk7iix9nkhlT729X53lGBphBQ_cCiIMwDjYx1XlRFg81S1oT2b.OsW3btADF39WsIN.C1.U2JO1iC7JbQM3PPnorvECBGLVHaoERhpPwV6UnlEfTUqFtAF8CehK0Y7GmrUgAkpvOZMC18ZGdKUfvo3mSO0js8Tf5hqwqgIhGHw7CO12AWX0k9JzBbioyN02vRYvSro1HRmD6ZbjDq_yUG5SFHzk89Sy.O16snoXuC8AmVb_dd0Buk473C.wttVMp7jxKuM_BKR1NV4mqZ8v.4cAg0KYalAEwAxN3LpwpfVl7_V.R74PSDUVYZfgmAHzJ2QHvb60XT.RYMUmr1TdEKZRWYLXxyLMlzs62GZka0zyiwRrZ0cb3KV9GGJI4zLaXCRAcuBSe9l7pGmdpvNBWA9i7YdjSJTz6eRNgr1NHpCd4xtt_O1_iXCaA6n8sX1c4SgHxiQw4ec4dzte5f8gptG2hByEPXMuWRG9WRV6xuhssxtew4vJfWhOv8oNiNPW1cw7DhldGA9RccWfa4agJCM8tuWxcoGOMoYzJ3ygBZfYs3Ft6LnNycLylUARs2YwWBZ_CWWeV851mHHsrSAo4vbBUo8aBAgmKnYfy9zsH.Z8zTA6iRUarCeneLjCwiJefgBocCHlvZy9_TbPIbfWGjRfdynzIHS7VyW9R1YI.QWZcOQML34.36GFwY3wrDabeaotxlFCvJX3JmdPkFEDs1.GdVzrxoL2z4F_Hw5ffxpFCab81P1Ks8lXd1UOIkeviqPUAKOcOkbLOfoRpkA4ugwtFN0g75_v91tRwSAWCKcDjB4YqzU6RE_WAmctnmsEjyO5Dw_X_VtRXhXmghtVoufH2t0jDmZObxi6Wtb6qSheX16qXlr3X_Qp9TGQXl4brq38PZAxJxBHlWww84dr7uJhUXGsmMUlMipCNVmA4nNMqCQwfvNN2oi9s70xzPsRwlcB5X..s29XTj6k4rsoBQXJwQVvakA2kTxt3LqSieu2Y_gtZ.gtBMGmFXlneA4l2FDZ6IyNtGQzRDNRmQa_lih.6SDfSE2pkxVRxaZAklqik9wFOngl9b9V5uu3UC5pe6sTQd0Ic6Q0kDz.SWLkP2L07qf3C8j3Y__GJMLnQlUVdQm_K7j38zWo.MHwu8QaPVOu2sbaOm9BJuZIaPTnLsthx2KjB77rObs1j6EQ.g_bOskpynHoxnl2_4.AgPCpWARJFohPEu7LnEzpvOJIHqLBiAXa9QGRIEcNTvR1Lq_GHi0CHOehrDGSOIaeKk4w7UnsZvdTOQKV60jVu60UTLbPfQo_mU9_RlGAO.4cDVBwCGlMXGyax8QEx7jyq4CosECjwUTtlZ2eryacQznY9QELRlT9JeES6e_3yh5bvp1cH9ZSgDw9tP0anyDdH8feIS0xiRErjDNZloJWCE7Jf51XQWtGhOpn.lEWk346u9ZZkSBjgaDNKd_uT0S5n2d6_J3WDflNpbos1iaLGWp3nOjI_sG2BXDx6ufEB.._6Nu2cjrwvvP5mx6Qc900BoSxk0Y9k1U7YHGtvxsITaDzy_pvGYSm5k3mCB60vOPwfnLXtNsmq7gNPzmXn",mdrd: "GU7t3Ckvrrx0M9qIW4j4b4sGQx7QhB8AE3fvHtVt188-1739298032-1.2.1.1-.KsrQeea1DWEP.TQUJJ5soB7YgxwzRL5TaxT6J4GO88ostqp6RhhkV.lzXjfFyNx39SAt4Z8oPNs52NWaHB1SuUBxCwW0qNvg_663mEKIfbMQ.bxMiGs89u3dxhaHaFKW8ZZqpmEOqMkxP3CezEPtVo7YE3ZdFv2wr38b66HomRjKeCVkJWAgXt._6ke4vW7RikcYzpI8nh5_GcfDmfQVsmQX.YLW4SYXC_BvswBjfXcR32tNvRyuQB6WbSNZhVHn6CBALc_stg9CYW5rCt2PS1A.k8EI6dXSj854gRF0im8JFDQ9B64Yve6gUN55tRh1rJpkwBRXkGzPlfrQS45b_T8SEGW0F6s1ya3f0ayqIv8l6YFabQQM.7qxFh6qlkqou.WEcboUx8s9BGoWRc4h._AV8FzTnm3TTM6Uswaz8QGJ9L3Cma9fANIPdmtemNdpDxAJesRRh0Fv_BYPZVwhk4QUceFjjWdjUFAsKksKptuoxXaTOzowrTpRKuHkQcGcwBMeub8Wd9ybUuNAbgQ0Hph12M8wnAGt1fu.VH9eQrlG8u4anuS96vevWSNq.LMxguIcTOP5qQaor8vtn4iRzvesxO10Zz1k89ioJ9lG7OxAqpCHTjmn3876LJ1_0HNWX9ktwC3XNqMvtsmp_0gWHA_GZzsU4ur7wRHVPxHlqS2bL2nlGY8XcieP6ycB5BnTpnBI3HySgikjSUlapIMbwEuRMT_4ntpRZKg.GSFr1l5fpPSmSgA8bKCbJBCrZm2VHD0l6P8dt9FQn9INNzllEV0oTyZvji58_b1BwIZkNxIaXS3850YGBsdnuLPRPHL8uLdFysPrIbEReGK1Uggz2ZPU.J7BLHAFr0AclSntqSE1WLPB4urmMmR_5Zzlxpb2.BvTkd59NEa0aY2BcY14nh1AZ50lq7V1Qhzeqt57HapewIMPKVPFazcXTwwtJxK.xEUs9zKP.NV2rEmt6GyxY2CVEHaNWeK1zDnP_FX._JxjVgH0Llk0CsucUBrfONnf5KbrJAyM6UfF2Xh4hz0QKU2TA8oif3bEi.PkB1XYkwI58Er8pyUtCeGFLlJo2cmESnWY.IJuGykEYz2y8J_3uC8AMdqs_XMS0pqJnjgzFA0sDuD7FJJ5zrKYvG3Io5WLldE5vRN7B0LWQTqYAbBSW75gMzq41rw_R11_H8tbua_OMh3D6_YTyboZqte3kXhwZ4Xda2EQUeo2HKiWGNDmvSa9MsVDQpkk_YcgnZC10X4ZEEx312yEUwUTeo9Zx3vIXmUtN1tFe6V2IvaMOsYfmIW5BR06B5BNVD1ZJZG6_MlgyZ3OUIxIlrL7QEH5d0qptLEVyB6gAe1y4QgNtUBB06aolDGIAsgRq_tpN3MzVsqkJb3j2mCy.WDbguJgEH.jHzN9BI2loBVHLP1gq_FmyDkb_NaiLkWzgqRQFxoQzREnyzhmrpbKpzFE092XYxdfirVuZTG51qZBibZA5KgIkpMn9OcFS4ZP3tGtSXFbUhz_UAFVeYauzb2eeHBqxtl8bJ.6SHkcQXRIucia1bmMcPLg8Ie8NH59QEy1jxifCD9E7v4qe8djLlijHfEntUqXNm2_P8u4VZPmUF9uKsRtfoHewOcuANmPt7cPQ56e0ahMnp_8hoC26mjqewoZNUsdJ_nuhDjP60z79RJr7_B4_v0clDx3JXgfAgpDlYx2NLV_fUEIwABGjON6JZvWXuRn0Nss_M.G1QrSHRFrZjiPcDS.OOVCUE.tsfMsbRhVcBwJWk8JwSPa8z0rI1RJfDRRS_rZdNp12w4bEa2RokZyqzGOEe7Bi6RbrLgiUSi3mg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91065a821f02f272';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\/6305827941?__cf_chl_rt_tk=iO1j0kiPQwdy3sqUFWZ2g5K8BQZbfG9IvzGCiS68eBo-1739298032-1.0.1.1-pzibxeVPhfbrbRZMizyLHm4Eh.JMGbGmKgvObEc3Pcw" + 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
