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-affuw61ps.mit-edu.top/post/8015497632

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affuw61ps.mit-edu.top",cType: 'managed',cRay: '90f5f21b6f56208d',cH: 'OVHyLVRRbB99UeCbjCV8UHcyDE.MvhxtrWv5rUp9iTc-1739125984-1.2.1.1-aN2iUTn3oI02p01Ji0NkM6_zVwBL5VXVVD1WMPutVTnw2OrnULHqBniDOCLt_vKr',cUPMDTk: "\/post\/8015497632?__cf_chl_tk=k77SCNxOFxj3uPugXIwxqwF9cQE1nuPV39DU0P_XY2c-1739125984-1.0.1.1-HraaDxHf_0VY8tTPkg7QzpWuBCi5SPjarWJHWDtjXno",cFPWv: 'g',cITimeS: '1739125984',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8015497632?__cf_chl_f_tk=k77SCNxOFxj3uPugXIwxqwF9cQE1nuPV39DU0P_XY2c-1739125984-1.0.1.1-HraaDxHf_0VY8tTPkg7QzpWuBCi5SPjarWJHWDtjXno",md: "_Jqz5_zG8mDzp_6Cm6UvoxZerCUs.QgOPSJshEjSWX8-1739125984-1.2.1.1-mQmLwHoV809YDw4vXsB9BJXj1OdqA2ofdOKH9kVp4ttPlAJeF4dY_mDkIYOD973AfmnNlsQhn8FFG9eMPs3Kuq2tBMACOAE8vx2w_yVvwDSly7mHEnRP4z4t_E0NpVylTDhX_wxyY19dRysI5ffWRNybaTd2rNQZFrUuKzbV.tiaHBnbQfTzEzOWo5WAEvMISRXV0Ot1f68vZzmqextxfdFCvzY_VZPJx7lOAS7CdIBpXFrgiFUTMLk_Da861vitulRrX9cudUdx1Vr0vKcSf8VtcOBKx0xG8QAPIRpyNNnMC8INX5LWeT1rZVbvJKano4AMaz_3HfkjRowzaG5flIGr05CXgkqZHA5Oyu.BWmxEoOEr9W3BT7rgUySooai9RJKKYcSPodgjMaFaKKGSs7gtHZ0a_95qH9JpbAeszkzl6vztyfkpQj2c4PCCQ4KStyxZaj3k8o7CMQC9H3icepwJ2qrBwraADgwvS1Xn4sLwJVChoovzONo3tAm.VihSRLfjGTQufZ4ChrJnLiuJIEkg9EgaO.MY7E4nZmf6mtPIHzYbdKHke72NQ26NTLdLObq4b_E__PpjYPDa9HOuSlmo4kphnKIc5K.rZWX7zzwpmVHiHMuMCgnTqcBjte_ZrUlhfCriwnn5P4TlZaad0XN1A7Douix4V5fXKnJV2vmEgNjIYL4Jbmu0m1fX_kLngXhXJPqM_U2VhrC7BcGz_IgD55tllsHgQYifOsKAuYYzE6NsgzCr_E3JIuiCwG1UB7asPGYg9KUJgsF8M7VbRcNjYFXtEPfPA4fSzhRHdVJSGYmXN80RKsr92x8wA5TAb9XtLVxdZnLDs9oMP6uVnas9_ux5yjrlf9yBaU9CR5.9_fD58C2lqGRWbtwid6pu_mNy3f4TqzbYEonSZeATReEtOHa7bfedL3UEZRqbTfW7lRaRk84X2Sk91y7m9xxh8hFH0DlmMD9WOsYSfiutaUnu9XGOrSu6mMbQvtjDob2ghaMTz8DbEf2ZSh9iRs32_jxyAYhmb_cHMzbTxv2.nSA.yncuu5V3MsUqWtcwvOm69.76aFv6g.ml.w9oNCJ.iTJQjOnvG.MLj6lBHeI1yw7Bo5kKMGJ_yr4SrYzgiyVeiwVklvtIgYtaVeGKnkmk9fuGaH5Jikg6feKdbFadRW7bvaxu0E7GSfwNDN9gJIwsxxqwe0cZ1jnlQiiwphk6sYoDhuj.Newz_3lESwBhteZsmin2cIlj6eB68SoJaZJe3W0eIgYYUmQnwg1qplzhCih7QOom7pmpnpSVRMgB0Ao15ek9mudAr03LzpAUWS6z_RW4ngLQ3OiDcRvmyJhfv.AtlWhCFKiezb17rvQVp.d_8xu2goz_rQWG91Q0c66qVLU6uzWgwRSiyBLGHnDRG8M2riBfrVxSkZFajNDr7BkgUIUbno.Mc6SnpESM0JFNkk5lYQro2inEoiQDdGR8P4wpj2kpRhZKzDerKz6f3dIEEB74d5Rks8H2zjODq.qHC.R9bMiJc3AHnZDiSdUM39xp.Hui8TgaI6lHEwRPLGFePmvJ9BEo_QbSvPRQI3LgbZCt7lzj16lk1F2TsQGnFb0Mj2IkTwVcwbWsz3ohjXHmbSaIYVBd4q3gVA5elgs5Qv4vsrH36MOXJUJrFFRDuDFlOCDHQwUmy6psvjZstDrjPCl0CKMcBUGxMBWrhPJAn_ZafNui5y6YLqgKc7c8YuZGP5NRWllhAZT3W5HutHDgV0t8ooGMhIPbCu.gpEpWf1SXBzNiO8ZmVC3M875up31cOAI01nrP3E1Lo4q6J5UiwI3ZBl7chR36lZ_5Amo68bTu1TpyKzpg0qXALvZ5AicMgRyrCrgboDgcM6TGPjLBgt08Lex8awkfm_tKSY3dnb4mkV0pNSlib9uM9rL7ZUV1BLfEJTIGuUWwoQnQwmsngTpsMfB76Tavb.QpLs6edVWfIEBAJfOlGeNALE_KLaxSH0Nd0bPzgRGbyxl.8nlA.tzH1zuiIhRk1nxqLfWKEUNuOfjl3etBV6E3qxc1nvTpYRygZcVa7UwVNRuj2wZalnIf2dG_gP5C_So2rcNZXY_NPHZdU4amWfKqUcRNCH0dbj46EdVxeeaIPNDl.auSQ1dWl_qnBZMqL.nerKpsxeMv8zjblSvlqtMSv6AevjF9mpeBC1wUAK4PIcWEniUknfd9iAP5eUlwTo7ei5uFqiF4GBxwEOAaeBWqdpxh",mdrd: "0RfJmunDttzro.8rHjZuGabbAE528_tTxpy35Ife3gs-1739125984-1.2.1.1-PghAdaRqYhBuJXlrUbb20Ak2W537vkTy5eGKZFLJQz61MdnV66AmdvHxwLItQGVOHi04p_C.qNzibDIL8eKhIGOlxMIGSFb0AZA7Z.PLGQGo91w6Sc8KCiquOdGr9VJCDQl5nUkWfumI1TJ2W_imFVTCnhxZPzxLklupe47SoNKqdQmNxToGCp6qeotwxgH8sgEV83D74Q_3ASFmiCEK41rYsPLjJaKH2lr8h5CAMR5aIL2nnr9f8ydK36qC6Oa9DhtrLWWCrTAKAIJkBvZBdatZSxrW8bhKudfsGLU35jr_kl3R1bJ9ELeJRTKmpg0Fzy3lauWHWY599CH75FUXdQYBBde8522PrdqtR4Pceez7DyfMpICTaASpC9HqKldtQyhNgBmiQa3ku4FiTmzkJHxPE2B3GA3st9xuE2COCAyGJ6wUZ9_SzvhMrTD0SJ_.V_Lqpl9fT.XlnWKhh5TM8ckDSyHuszqWtRu56HP12oJW5ecnJVwh71uASGMDbE2hExc1exuBKnHNa9l_e.qWZ.YNGU2TrmC.54WF1sEVRMOIbrltFbByGS11OESL4MoydLezUu8YAE6aiUTppuv27VdvqTTyU_eTnXBITVY4_RkszBOJqJ3Qmci1lA6B7Jdmbgdx4xpVp8PjMpbRX7BUQNo5pqLGjfjIt8aQQqMnHGF_T0Z7UP7Q4yLTPkwVnVVCU.VY1iuvrLctQNQSqA3Z1vFSWIYWdIFnBB11nVI6MTBXijFAYogeli7Bpzgdrm3uL91tP_EomhDhWBvX7WE5UEFrDss53PJd3MkAtvRMvQG7QXGVrFUhiK.zp0zMPBrSRNHh_yQxv8jDO51PDjxCcxjBarVdi2L9TXdsNEP.epyUqsbMu0Mdt32OJ2Vbyt2v1g7JYESLsVzXCoEnYW7eOFFXQQWmBbze0Q.l0aW5JYSgDtKtEqBxxiN68YJCV09wQvkm.5h5B9n9jgqbFfYqQ_oe7KyQW3MmRdNlESCHuuyUqW5VU4SCtlO18j4tg0Yi.jCRsQOoDjfJrzYO_TJLSKfMIRI.T90.OVbdbIrxkLOoapxU4KyBgpSGoHFXUqcGStIWnGVWsIappSJyum6aW71Bd9HNEJ7J6FnKJKQ9smMM_TCfepa_adbCLyrDKxYni9uHcH8t9hNdiVCBf6x8.KdiGZEmdB.eOqqEphOqBybHCjkoeS_qqQnvtBYPJSzkd8MSf6tKGAVKjzVSf9IYS.nzBLzvfri62Q5h9tAgpRVEyPW_y.kLOHaYQoriwgYXAEbht1rz4U7LZyEyAxTpm1fXHPT0c_n.PViDejLD73i8WMETt35EfpuhiVPHGwZDZNrPBrk9PsnOzOgfV2KnMXz41Ju_UcsYZD2gV6IKcggwaoTR5MLjHkSlyxjtGokpfxgKbJdsnhV2KOVcv8dPnzxPjFz3Kw22XSxaEcmhWlMFpN.sLV2dyylbgOdkOgGq2eP4tpt8YAHa9oG89pBBSGNPg0zQ4Z_WcVmnv.1pjWLz0YxOvX_Fj_Ev3pF0QrK3uMc1nxCvQtKjenvu9hY_LbUat8T8nlglBj.mFZBK.QtIygqq5TGzGblHzEcfPapFKHddTYU5tgRNrXMo7hvvM_f1Fm1G9SkSf9sw_gi.qnylTjJgafWw6SOxmgP3.YnJP8NAoWKapufQzoFZCSFI.YAIw1wCzwTE7wzk53O7COk2tYlcaGnL3LlQIcWhs7xVrXbFTQndjFHaJ5XnA9aN9dNWPEhPZqT9iR_OHajQx6b1P9hOwcRzR_y1lep08ewhLUkPbAG5qObqEifF15E1PQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f21b6f56208d';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\/8015497632?__cf_chl_rt_tk=k77SCNxOFxj3uPugXIwxqwF9cQE1nuPV39DU0P_XY2c-1739125984-1.0.1.1-HraaDxHf_0VY8tTPkg7QzpWuBCi5SPjarWJHWDtjXno" + 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