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-affwflu29.mit-edu.top/post/2831054679

  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-affwflu29.mit-edu.top",cType: 'managed',cRay: '90f347c5ec38399a',cH: 'HIHXIiazOOsADJy2YKP.sKGfS8yizvvyKHgJV6Dh60U-1739098036-1.2.1.1-A9q2A.WoZZgMMzf0naP7yZlESF9GXoWeX5NLi_xOjFJH_4snRuTcmn_9PF5U1.vr',cUPMDTk: "\/post\/2831054679?__cf_chl_tk=W0vQU.z_LFmgu1Gc9zoQoiprbsm9XR2OcdmtZPos8U0-1739098036-1.0.1.1-3SZT_jZBhypxBGHiwesjDxjZ8aY66GytPiV82Df7I1c",cFPWv: 'g',cITimeS: '1739098036',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2831054679?__cf_chl_f_tk=W0vQU.z_LFmgu1Gc9zoQoiprbsm9XR2OcdmtZPos8U0-1739098036-1.0.1.1-3SZT_jZBhypxBGHiwesjDxjZ8aY66GytPiV82Df7I1c",md: "Mysx2ifyBW8Jnh9iNnYBVUcRh9Cad4rIUSLOMvkYCxI-1739098036-1.2.1.1-vcsvMZHSH2rZs29WkGJmE6A805tN1JpTZ8Prwv.pV8ySyeatUW90CRxPwc.XFR6F1TsxCGe1ZM7XylM05F0hO2HURP5qGKi3I9NPppY00pdWSEN3dptEcqqoLiVg4afBX11oclFeMuKWfs4BJCobLVXSmCfZK0zivaWOq_TkiGMQY9vsZcOGGldSY4Yacnu6AqHDmZLa8sK5JkGbHsAAXlQwRvUDJWkXXMrVrrPyCT6Tk__ESbY349R.50GzIGnFvUerRK42Jusd8FkhBafAJWn.1.9m3LZX_53RstJuOkLNllOM4dv1TfXYKXmYp0kL3WSKUmdEjLBUF9WpH0i8alDo7hYnPyuCsPn33bBqPf_QJkE6zlj4r.vFr5ge7nyvV22NcOiwjEp88TgUYW1GYCnlG4OEH2Xne5Xx1SC5FqYnzDNtMq86VfWZcMM4dFlUxapDCru_4JWxyduRUIbNDtmL3CTYghB4siuJHqvsPXYES77bcrGSQK9a3vnmU5qDiUr0UvYdrgSNnEPDcHi4J4Z86xoxnDhIwLHKSEeBB3ILROt02WZ44qdb5V6b0qMRNjmpZjzGAZ1BQ3K27SaklyCgYWLk8ococgVt53HL0rqDtp8OruKxeZX_3Tyt8rd.snZlHhes1fsZ4J_pWq0hjQW2ZtIupPBdZIUFSBCHNkY7CtL8drmObGcthw4lsLn8UHoIT6KMYhWDuLPIeEYPwG3_ZbPuHKOkJeZE0pgK63wGeAh65Gn8RFuKJ5RwQN_Z7rmEgsCYLu768I8y6nng0377ZDehOjx6vTFwwLxBYR3XPk1O8XX0Io5CTGxUUkcXSDAj30ogerHesD0YYsRHm6NwAZrf1jsqNqbKleC46RM3SlmvkKxyKSay7hGzMndSb.dgeO51EbLl.isRAao5d5o4.lkDNRWNTSfk25Un5B3ZJ1YQABllQrogOm8_qc2Pj0D0cQRYT8R9LKwCjf9N7SnFewLFFVSyOOTFB5sB7UdYapQ0hvWS2kI2hVyVasde5Hysjxbz3ccSrDI5NON9oH9WgLtWQyQ0kRQd7zvlggmVg.UUQnPBjuCoBxWUkjjFAf_aGFp_R819Rcvabyw_n5glrHdoFBoemZQin0K0OkxA0bkncRnts3phyqKsJ5Cew4UPu4CVZp_gB2hmEptLGtHppY4anJsmdbZdK_2mhd.SRMaq8udponj6FZf3ZTTNkO3q6341k.wJmPCDTlJKt8XA_XvFQ19Tp8w5sARTeScuNKpmJY5tDf_g7S3DJPIfZiu6kA45acQeMwiAsWG6i6cbiNGEkNltw9OQ99e47zwP0ujFuwD78CGdmqGQ8PlCankedQtu_L1qpKBHqRRPNQUmQWi02yj582ujhiMuf29_8OA0rWHEYIB5ajpZ1hrZe2RusTyxgiE03mWWMatDDaCB84XbKTRF_Pa5IZB2CvSU5KM0GCz9zpYBe90UnjbRMA9cz9UT6ZfuxYwJm4bViWQ2xjPxqOyZeeHo1OScZjksLNxaDAoUUiKVU0sv0WBVtFWP2ycQNwDZ7P4ZGp0DBTUGWJKwFcYTI_JWTwy531udgbcjYBdPucR.cVt8e65ymRgBsiX07mnAOyWwp9VJeCOr_.y6Y_c_oxkEwj3Fypzq9hbiEjPVOLvYPA3ly3TZ6NI8hGCsEsv5S.9K0zR.wrMOqBtDd_fK.cULdaR6fa9ktYwv0NiBz8oghqi65shY23MhnJTshxefPLVrMdZPJx7ESfRdsgvIGB4vBQRtf9o5kiEZ.vxEtWAdAy6cmlZb.UPCvCLC8Gzkmp0O8PwJvbhTvDVo2C8GyXJnNhSWYzSQ8V4TNjVK3qY.9HUgWhgL5kUCtvBF_DRoX5TWwQQsSvVFctVVxEByN.r1o.uewF7kewRjAOhRBapS4AkdHgAYyLkCtm24d0pW49OflHuVvuDgyKvXbDEOtWY3nTHprsybSJSi1EPCYo1IS_Wb0RROq56q3hU3iC17vwS5USJnKZb7_5hu4chQ7gUxKrprfXcQFe9Il02XxdMX_6Mi.xOb7NadZV3Z0D7s.PN9eVCPzED81ZoyV6ZMGT.DasIsPygEZ4hnHQOh6HvBk6en62x8cc03fQfWx9VvrBonQndJLeS1EU52FSx3tweIwN1mULyXceRtLuY0Hzuk_U1YReujNpspBOztQrKEPYePbGnFkjAxYXh3UVjJxnioytljvt1lPr6UukUTHJW8fmTdr2Kj",mdrd: "C8DP6o37MkRnDpHhRe42o_a54fbenATTAo0YAZ2erQ0-1739098036-1.2.1.1-xl5VJhchGm76kP_ZlsCbeTm_mdtO2xUI1KjOzTgY_D253D3z_ZC9j_WgXJ0pa5kWxxKAaJCtnIDneOVm6fm50NGyxpRDBVYKnz43joW68BPxzrXLrmcg4QuMcqAJnL85FZAXC0NTA6vacIdMuZzuyLAJgg4WjO6.aLlDODwWxIngMY6Ud7JXc4EOsTd3DFROBQ4ghBBIYOPA3pCpy.DC69JaIccMklWuNyJHM3rPL8JOsLSgDZbxHIeyKUmQ5hNteQs9cjLJ_Ovmv2KRcWS854AQaQFJRoiMT3hntHBRTAnMM2.76xVttCyUykZ9p6vEC5kD_rSzjGMN3aL8BlfUwlMGPpKMoQVyWeCyKpuQe4iBJG9PiJXxqPOb5wqNQKy7dfdBSdHzW4RPuqiR8HdU0VIK6l2.Fat8Hm75aXcjFgas5jgNaXV7jV_UBSYX17BIkHkVlxz__v4FRcde8D8aNzuCgUWUmAi.cy9oHi3pTjm3FZOM1lI2YGRstdtztGfdUBjZgAhRlhnAEhhI4FkRkL3bKeoMLcGq_nB74wzoZiu7_qgYFVkse.CeE3.NRw8lLbPe.id331zdh7RoU3bTdDPQxGN.f3cXFTk94r0AoS.tD4znCOdC5p8CvAe.jMrVICQDpBqM1V65Se1Nzdn_AbCYMIuPNXXOW4.lE_ye2dCPBUNczhvgU_tjctrMVA0OxNa6e8yRyZFbFtc5phZ0h91WgxbzOo2pNXVhju0B.pyAjtVpR01d2kipCt6qY497m735KkDIDlbmv1UpNm9AxQG9ZiGGfYjPJWIiNklRHHflcjbIbrL_g_s58s35WjlkL8q0fqOEa2wcL_.YzRt2dn_7S7O3pn5HGaA3ZniX9Um6XmUg.BZSOCrDQiYl51w6thlBPNfLw123qKmG5NkdQGfPEr1W.enyknfv.5Zmwvh7dcMqNI2Qq8E07iKEup.gbQJkgO144Ks2MVGkAfrGH2YlgSjTZ8ESVGeXdaHlHD3WFaDhjZOS_dn_83C90meB572PmuOj4Caxt8mItPQ7IlPzJqNqz7y6vrxaMaN97z.Rc0IWuyBKfKb0PX9E.Bmayg7ZqlqCj00w9jhjRGe1P63rcs8jXi6.ykJZWC3zsGwUW3CBHdV.NeHEIqNHVEYEwOZSWPsa4J9D_Vi4YCgVqgJ13GJh.C6mHtV8I.eQP0GkZ3.12dO7XjlP7ilsxn8yBHxXniE9moWuL1g4NKyOfAX_UXqQmPPDrmp8paGs7xmF47fCwUr1qGzOHfqe3mWMKBL6QSQ_IjILzZfbEk1kiwDKGxJnn.XesDOYFMKA.6je0egt0Q6KmkvzXzMhgkYoU_stWS_0gP3UFRxAFwM56r6G.3HF0RoFI_.r79tORhzo1pD2LE.h4XkxGgDGrweWXImWMniMZvIx53mCvfnZbmzWT3BX5P0h2uo6upmXf5cZ3f7OAs_XY37tOOeLWKk_SbOVvuaqdisvwP_3kiHX0cUT.fCGTTVRgogqSK8sdVu9Bi3_DnXlOBu4BBqbyKTOV071u0F5.LsvF6PdVeRbeDClRbDiTuVAJq3lAmc91YQmv_.MS4sZFrEVEb4FFYKcGEiBv9WZ4q_Dgt7I56br5NBTcxYn_DSKVL7S9VbbUmrLyAuhiyAuqmRuSefCE6HEC1ZMRiJGRwe520jY5kQM1PQHyblVZ28nmVlod6Wa6qdCfsNlf6aMgHTnfSIK1JY1WpIwZDyvUzllozSXpDxiTcrcdhL26F0GZ.3BtynotDzRPlI2cqLxhH8PJ5JR81wXNyF8ct9KLqsVgGvQdXENu2QiuxhxhyTvO1BrbavXMlk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f347c5ec38399a';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\/2831054679?__cf_chl_rt_tk=W0vQU.z_LFmgu1Gc9zoQoiprbsm9XR2OcdmtZPos8U0-1739098036-1.0.1.1-3SZT_jZBhypxBGHiwesjDxjZ8aY66GytPiV82Df7I1c" + 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