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.

Source: https://blog-affg5z8ku.mit-edu.top/post/6809743251

  1. <!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-affg5z8ku.mit-edu.top",cType: 'managed',cRay: '90f5f506ffa35a8d',cH: 'MTBZg3YyxgrPMogXwr3MDBarr0pGjkW4ztz4lOHMhZE-1739126104-1.2.1.1-LZVyHuPcNmit3lojM5F5EoJvlsJrwTW7y3rwvsiqUgPnJ0h2gnS.2hZ0Ug3wRM.1',cUPMDTk: "\/post\/6809743251?__cf_chl_tk=osu_PB.g281M30.se2eD7JxHmjeNgPt8QuIVNCWpHCg-1739126104-1.0.1.1-a4oM6bFlAabpxAAiZzhEDVeD5tyupCjwHsw.K5.LekU",cFPWv: 'g',cITimeS: '1739126104',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6809743251?__cf_chl_f_tk=osu_PB.g281M30.se2eD7JxHmjeNgPt8QuIVNCWpHCg-1739126104-1.0.1.1-a4oM6bFlAabpxAAiZzhEDVeD5tyupCjwHsw.K5.LekU",md: "1EwC99zaTSscA36NBvnvPjSsi66_kSqvRfQoEkdRfUg-1739126104-1.2.1.1-W7tAdKaUvvlSeznYJy2559RIsFcuUwJerleCu32mC4vQHb2rtEKhZHaJqsbMgBbpAoh1J0_tGCmlvQYMyv52IqGiCy5YPlyrbpFs58deBRiktujP4D7eWYKsbiKHpT9XliUnWCiKGp5T_IcSzix7CKpTLDruGiqir2_M7HLO6IRMc_6mq7AI8sZEQdebe42gMG1WmxipcdaBIKOZq8teNcBrRmkI2ETgpigvVUUptDywiuut9MsXwbKAKjGllWRpxsmhcw7OQlCtX_ye9KlJxkTtnIBEOqHa7TJkGHPfYw9jfQ6N9G2Yhp7otDoxBGNarS94UHxuH2HkBnH9SDaga1D6twOkzHxv7OL7oTnfjeMYoS9eNcwsRjLu2MQtYOK4Cx8mfw5Xr9uqphVYyc5yoW9VNjjSD9iKKfxUE4ciaY0Dy_LheCtim9SrpBJASG87GJ_yDSBAFZSOBssW6FmkY.vVy3XosZ0IL4rynStthbfBtq9RJ_pmI6auQ7uDtpYPlUQXB_rObEkKU0p9uCx_MamGXne4WrkU.7.rRu_OZ2.KobiZCKuLborZz8i63I3tbSHq9YAm_0oacfuHHLC_LOY8M3LKedwnVV61r0z1lJDDinA02LFNsk7gwXA4Cj3hSwZabiuPv0hk23Vkg7IwQJiTsWUqT5794BWFhtxnEpNRHka6FJh2j6KPI3N1QBvMj4wWx2e8BRbnZqFKAnPzfeKwGCZYeuOV34QTQarWYsf4qgrhQDv2XxADLaBvAbcXJ50Z2X5Mq.0IWiFtrQ155YecJwNNDiFF7ZEu5HMLt9xgHd1evNVpdWTrJQ0d2kj_VO5p9sR3bpn8xtA_uIWDsyEQQhKxntQK2x4sPzIPcBaflVbQZzWQPyNt_QQjC8dhMxhKxGE.23.OzgFHNk7A16Dx5Y80H4yG4_sxvTpoEYAy4uA5dffRtuKBaVrFuhqaJiorgPyaygDjHcaRpjmTw7YW8pRwyUt09ksfowV.o9c4DRMTMhko3fJ9XFSCJMUugr2P06KTBv1S4SM2iXi2AohvHMR5lxJoxy_UDMJg0nd3yPKPyKofG5xaxdWDt__k4OrSFDxh8iDI6vuiCpBMuVFZFkeDNHrh_O0XGVC.nWMvBHIk7NUhY9HssOiQMLdkP.mSPgLPJRWU7FSWT2kx4ZVqo4iDeeHrPRnyjbhtToVc1LikWbzPKZo0f.pKkzZKQU32Mw5OOvIJ6ysKMC4UUJhRBUKrlVyxEYjZWr9vGwhS6ckPSTwtbky35qVVmz4ipSrLs1AXdImnS6wmIKzOjzkMdp5aAOkQ8rWVjWeUBMdQOFJfL2kgwv2Vge9AkKU4jxRdrWhW.psbSD5phS1hFA6sSmbdgSd2sDFufTeSHMWbPK85KACVJQmAHyHzeJjvAz7FMjWW5IDCs8GtsM0j.XlXy.eBX5fpKIbOV6g5AQwu46mkbseuCAKBGBKtpGfM0d5f84zthNPkH5waR0EdO0KsGN9QFqUaNhU6zoFiMPmcbt7OjfmwuLwpFHLCfjdBbzb57V4Xi9xizliV74t6KJAnSnKFyV_NWph0BKAgcnVtucJD6Dv3EVI9ESXylE.HWHfl0n_7dSUF4tHkXAQ2gksAaI7uvWRoOLWFWJBBeksl2q15rXqpCsakOqjsUpMx8axhH_0OMIsqzcJKD3XxZFtYzIryTejqE6BAcsSbgI1h3_L7trukUtEgoz5rn3MtfQevwnpJnFm52BlaJhF3XKQ7R1NJEOgyaZ1WVW5YZDT80lm8BLv7Lk0r2ArRuY0FTY5OQ05bMCUvoiDuFEHDNB55GsxN094h0oomHIy0hxrACNXI9hJO46ESr.SpRfUneCnSsELSEiKkVX.kJHT38XusrGOBHijWCVU66ZODIO0sm21b40OLGa94YBtnEiGZCaaNEhRV4HG2VF.XQqgwHW.nGxal7cqSWT1_tsjHNUTdbCqocDFYoAtxZ9yT.1NpznAuhqIy7aUYDzoOr_IACJIiW7GnVluywf2P4GHsXd5jwjShFJZgDVwzuWTzLIsLu8ivFclileGPB40jHf5NWGfEee0xFyRFxdsSMuq71fwnwbkgDUbaWYgGt4nbQ12AseNTkdvhh1iQB6rDMYnjLelWoxAdmofF0sUYStnss2Wr0VdmJGe8KTo04Hqbaz.GRj13dU_0Sn59lpdfBAbbIBMerpr_tAM5.rP9t5n.2PH5tDLWsLzb0FYrRU817Wij",mdrd: "3Yktbn6__M5tBNLYjzJG85UQFT4jvFkbFD5HJ39AG3I-1739126104-1.2.1.1-dIAcVMYzhfgaY8aqig.EX0dR6cFPZIfLZ.g60wyGwt9sPUv0p4ZzXqHb2o6j3iBFM0P_7Rg31ZwkP61Xt8JB655S77JAX0QJuXwhtd2H.dd28jsm6i8_PxMeq.xHWxTXV7BCJeoqFg1k0fwGuKDGl4476mrppyqU9EknLEuiBRlhoDFgIJOFx8eNhFviL4ZeUrXaUOdzcntaC1fRa_u4lIMILhVmKJicLtlwi1PbStByjdAB.H_UsZReMJYWqsymQjzzcUdiLQF8gBZZZSYYm1QzoHBp6JpCbKmkyglGQYMpOJpWQFxTaPv4gT.gv1cr3uScAgISnuLzH4rpH44FcbevFSKCqQpf6IBRo5psyKnGBgUX5gB7_QPqlObwui9h.2xo.NNFnLdW7ya7EjrHUW_NSL1622JJNhMM0mbpo18Jmn4sbeaA2HjPGuUwVdmzpD5WsQBRK7n3w4mMd3kmYLqYfrr9L8W1gsDwd5IPrv_jG219HqnV7HI0uE8kjQwFHLkK6sUCQ2nA9JYCggW0kP83XtmHktzQDlJkbbIVmkxzFncPtWwtY87CmEMiMA1hFYNa3IAhfRMLIBghucIgL_b0fp5UBzhs5IE3kC_aTJ8I3dvQYnh.W7Z00AmElaU2a98qC9lXGq0.6getBdlXSxI3tGHn.R6grHIHc6Aj141HJ23Qu2BSH0ah9NwoeVkV6_pklAWwC8q_.mTuyAXmt2OubCHT1CpTZuCmAlJvATIGu8I.TlBJ2kwxEhuSPlBmnOQ5SOSsNzYxnq45gLv_zaDB.6iRzazWAXMTmxI6ypr8eBmTi2G8LjSA4SmuEquGNoLDPuvHVC3VxDgtUTTwXhrjRX4hQYuLfVJsa3xOePxw_97t5_v38gDr.Rro_Jrcg7759pNsfV5sxg0Qo3WJtlIUtBAUXg2ECP3flw_ssKrmuvSzuEw2N2vGfX48bz9zBXfeNDuL_iKclssWx_P9jm9SGyPlctcuBOAfcmj0Pe.strQ_75Ysw8u2OE6LZy9PxGA8exCRvBb__20l0wqRK7_lj8CPQkv_FrKek7ZbZJv2Ae7i8gDFYNTgwlJAsEbEdBrhK6sFZbYhiiKGL3NXMph9z4aSuI8kydMQWrkh2XWgya4yOg_JXssF6B36UkV1I.4h0_izH6hoYJ4Mbn41qctG9IPh2KWWHIRgDWeRYZZTh.e0SYTes9G33SZWpNVxuC2M6MYPInaxFmEwr7U5paFbqzxEsNYsm6Rl93T6TTaT93MrumC66ILupAEnY0ASGlwkRh7AS9ZtBuWoXmpKp61H6vcKmxLyH6gsaqN3uUn7L7j_8uwcs9wwhnYKaI_eqrn635KxjrU0FOXYo3v8ob9hJZbckb.Llb04sgdGl8rIblB8HtB3R54zJQ_XfWNzN7.tM.NGolP7peQ6ZkZzQjWjfopM1aVBYnPBJuWp1CCV1e2e3nU3Su0fi8M6t39mbV4xpjaeSmLco3pJhulCRhQE9R44u53GAUAptNFpnpuRoG.BbsuR0GM1mwqBO9Rc2D1t3xC3Zj3we_LbhAnqVg9vPz7K0vkUYih9Ch5t41lWR0HKPAfPu6arInUSBFUCRwVW7g7l_puuKGEBALpv6serrjjtZ5ZzMOOpyB0DtOkKLcDeSB1udbY5oaGAUxIhFYgvhNmjs_imTgdFGdvLhP_H6LlQlKlkX50sjrhvdP2PdH5eBEMxWIE.KpNtPvU_UUQGTHZmp.OEbpqGwVn4uXdrwcEYEkP.OeYNgOAEQZzk5q41eXUgVH0WGvu3FHLI9QlYJXVhhn9tZVY_u6VA5w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f506ffa35a8d';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\/6809743251?__cf_chl_rt_tk=osu_PB.g281M30.se2eD7JxHmjeNgPt8QuIVNCWpHCg-1739126104-1.0.1.1-a4oM6bFlAabpxAAiZzhEDVeD5tyupCjwHsw.K5.LekU" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda