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-558343995586.mit-edu.top/post/7168504329

  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-558343995586.mit-edu.top",cType: 'managed',cRay: '90f240b6487bd6fc',cH: 'Qx8Rq71LddF.vpNadDAbKXxFKeH61LGWa9GpY3As5Ok-1739087261-1.2.1.1-zccC83HmqZ8v3_oHVRo5CAeRVjIdHWhREk3cL5ODZXZnfqgMYkEeQciFKreiGYBu',cUPMDTk: "\/post\/7168504329?__cf_chl_tk=fgVTFaylJVHoHvVU2fiFFOI7ldlnyqHhyywNd4xb4IA-1739087261-1.0.1.1-3hEixql9IQMJVotWFEGKXb6mQMOI4zMWlLTr1pHEX.A",cFPWv: 'g',cITimeS: '1739087261',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7168504329?__cf_chl_f_tk=fgVTFaylJVHoHvVU2fiFFOI7ldlnyqHhyywNd4xb4IA-1739087261-1.0.1.1-3hEixql9IQMJVotWFEGKXb6mQMOI4zMWlLTr1pHEX.A",md: "JmMXxHpQg8qRPDvay4rFB0WmLAS2UMm1lbmgp8jONNE-1739087261-1.2.1.1-rbMpvMiNKghlPd8Ua0c1rKBebtIOm6CnhHjNMLuXdrwJxks.7uoK7U_YhNeVzOKDwLKxv8ZFpdHl_8cKsxctEbrQE3n7kFXxkjC2dFlkNFl2v3.vpXlZX251kZ8Ib3MmhiMGOYtZVgl_d7m69odJkKcI2NLp_Uf63E2kK2vjWNb7pKAW5miBwkUosoxWhL4PTls9ZqdS.8VfEAZ92eceXEO.C5weOAyBMk_bKVAf3dWqDteabiZyUGW0EDNgYFHDu936Ng._RgdhcqXEFcSNp8pmPJ3CV9.1lQBKzHrQ7l_joKTbXHdTvRfOR5Fn6xgb3KuTaY12L26MojQQ4VV4r2kzRj6fN9EZrEDaasJeHPoumcqVMcCHQ0Ur62r_ZNlp4lQbmeCnZktrt9fTjlhrFAHpH_jrgjaocrHfI3sVvlE0ix4g7pbfZ4GuvHnAF.9qW4LZXtrkYvhmkRH2HqC6BfIIB7sOCPz9i3clI6qu6JXnJ1oqZRI1in5iTUA_CubSNcurPXZ3TIGBN88KgvMJV7EBpBPkNI8gCcJl0aY3k..0oxLIBkc_sK7T7QElkRfKD8Vz8j7d58CFsssjd0HiOWXHWQ.KBipAhssnPMW_Ja1yqVlohy5NG5QIx7c55P5RhOoiMKbhzQqH7hL7t3XZ0COsuPkEDAcYMntPSwvJ23jdk5lzC0OH3_7lNUo3x20TkYbjxpTr8HXOEOg3lc1zDke_YsZkPh5WnmKSU0KDgi7dA9f3H7O934wDZv4QsCRX.REySyVbjYBoY3.ah_79JbQNCHq27olOrQWj8YoTZBB5a1IQ2uB9.DoV_fqupGVdymZbLyOPBiA9ZjWsSZnbReA_i1ST2_0F6fGu.ByNeDUXPuTHLUOhP4hcFDEYHrqVIyLkHoHiLBe3WXtqlhKtGNFYwsGgxbSw81f5snjiXvYqgerZ.qdgXiKA3kkoYqFPrJdWMKaEYzKRCmn9EGofcO3lgVPU4o_LfKvnx8TGdMSQClv2_a6Je7xlR0CD3ToJ5hiXU6yGIgg4hUvmAOrYM0Qb4QvFO1FYhIF1iqbTeraEU.UkEST3jxCO5Zji.2mKkrYXPCj2dKs7mYRV8NoUKotrIe1p4fbt3S7Td97wkOfUT.5msUI30bYBERzfnKFhWVsUcFXUY.u9ZzEc2dHJfiIRQ3k.C8LD1urDmBsfNnfv7Bn7SKFIHN0XRtoBJxrLooJ_hqI0FkVG73Hfu1gfsywsc2fju2oPtBTrcUn8mX5SYD5iMIZ87NZTadxwGNhcN.9.ILVyqVRS36914XODO1ueDVAsO70ImAEsaQq2WSBjsn2ZnBJMmoQna6_3K7sQmrWeWW33510JzvzGnS5kGS.XrnQrqZSboJ5Wg4LJFBcGo9ITsGgknk88qs2S7gl73XbfEi4FP3W19LPkw25KS0Cya.HaUzX5XkhNCjh37ZbB9cP_ryzDcJybPdK1_1QwKYJ0GBSB3AjdtgEWvHzKaL1USSJFMcJ3mq0JZuWC.GdgxaGe3FLwvFtA_yDYzA2fBvFhbOAvJECk9gen0vRhITDQ36L5h_y3xKD22HjR44NmYV2DmCwmUDYih3JSH3MTgmz9sKK8YR2EzDVqKJOtdlN4S_ekX3KZLdTGMvI1JCHQ9CpR.he1ssoSWg8BKUrpF.fjiwnwJyCeMD3IH4i5Kq_nYGU24W8lLof8cjPIPVtzP0FkU22RLpcBhZoOYlaJLq4oNxBb2xtpj9qaWZ3idcI25KjQtUcRwojh0bHn5VfI__u6oIoncnaoOdXD8WDSvPJzXqZq0lgsF4aBaKGsNC68FfrspUZPFAVfLH5uWs6rg5tzei2w6li8apFzKF9t9lo3KSQFYwgn24pT.Ey4tg0e5DisKK7c_d5HVX7CpVNUXkSrvhbo739quoArGbXd.NlJDhIrZGr0gAJCv9.ErRqA0fUhjouvn0JcQejzSg6V4_LdwBcZwxvYQxupnJma1F2zHXQ15Dj2LgZfm38wOTeUGmkr3kjtA1FMD7lGXQ5GO3XTKr0xhFASRp2Tl.4xKZYDK8OCQtrHIVjXrsmti8iKGfc21QTHZdOVzhHXMD4FbMrEasO13xtwWYkvgt1QRlbLZWw3CevjyCvICTGiKwThxs2s.MWap3wrxv1NT8VDIzSGbdh5Ksc3MhJtLFsMI.yv0eYTtTrpgA8rWtQvVRlCf9MQFJo4R7mM1cGAnKJPfxqL6mPrVCCxI5olCPDB",mdrd: "0Ebd5O8RdMThpihk2vB3.V.4xT9KOEK_ucs5.ckXU9A-1739087261-1.2.1.1-AjfuJJ1Z2fiCAY7owwRQoFZzGU6TXtSA3Kw2QF87jCa6LjvPs0kPUIG0b5uJR7tyhtiL5ghLuI7rwUexz3aeYaM0rW8Km6go.NHnnLDtCauEVub.a8ihGnsSL.DXEZarghOk3j0Z139jreHWceguTIFvE1k2MBEO.8f9Hp4ANpd1ZuK0X3ZwT8.xXy1VRuaPV36Fnb_djswNvg_jfz29I6YbSbevBcbMpPOJqk657s0zEVTxjLlqNfxPR8LoPA52zAMl0lhwGbdphWurgYlF3gYlk6X.4S_n1bquV0wgkSRHH2RWxn3wZ3Ikh8wypqCM03ZlKFCKNO7xCPHqohP3GnEsi_0E_ENf0ZRyFYQAVOilRaCHwXRTI5.FPDBUgfC99rrKRFJ6ZEd6V1zw.d8hZNKa1Bkb_hK4BkAnNTLyrfxhXAjdPUqd5KEfjO3GJenjhgFm5l4Iu2nCZZNbw9VRdKyYsmc4B8eYWgiv77xQcfSAZ54Mpk3Ys2WV141VNVmAAnUggM2O9uSKWsJvIbwo4w0KIaP6_ibDLYjT6HvHcMe3w36m4Wi.ZXj4ZoHSz9u.5.eDVYUGIkHchTnnzUvFZpT4xchlYHpseCjKwSmNj5AO1xjBPCyOZGDWvfNOoKgMHVeQgLlvcSNchcdlPKf6vQssBtWb9CYMeOpsHiw_Voz2XEkhnlgvMJ7V5yKRaIZ6ltZPL_tk3ekPvbgsvZQQTL5jgzhq5mXOl2dYNblWNhHb1RcF6oL0e.9TfHuTZLE4hImJvcOJ_pHg3G9IbpL8ahNDnEhWgjNQ4jX4PNi5_FhrYhg5UR7dJyi9.my9S9BGNRwcQrJ_dc7E4Otvw25Dyir9gNP2l4sd33ezm3T24lHPBjVpzj_.L97wP95R74si5LjUfXQSGGj_RT4_M.Uov.L4aglBXOzckD36yLvLB6z_rZDqAYAyPPbDjk3mszmmbewabiVdc7tofTdLGwl5.F1tCJNZ3oq5_pad05DXMH4lV57bMEM2UCfreQShb1jrK1Ano8decHHUNtE5h1Db2o8Er4aGwT6wBX5UkBW3uB4jUXtiOxj.PxO3A4Y0OQ1JenMWGxy4FbBOK_Q6X1QEmxoCQefHqkADSi2gy0doPuWAeMDuxg7PTnSnSeJKLJ98056swtD5zIOO.UtcSTmEZw8kRwr5OEpW8Q.YRF4Y8LtKQyAV9roYCaSQV45lhlynA0yJ5HlwMhXldOoJ8hPoEZpYsluYBsFfI0aOVdBUB_oJrCL..3xTH2KbqPzJ_9Nw0jmj2MWu2SnuhlGVw01dzJWCZX_KyjvgMHXqhjjEbB7G3ifJGz5UCwa6Y5xQ50Egs5XaLVuRDOVdTDUfqhOZY0Hj6d4tGyDQS10mZfi86xLXULCCHoIq38CObyB94mAXM0dJjAaHHa1jZMNxhr67.vTI3_643bhLgF13QfQ1uOF3G7_zzd4Rkvd9mTus4Dc5HucbZMBIsxpsqpj9R6DZRhWyD_XMKzEftnoE2O_RL7FJ.Y0GdfkCSk7VnBfdZu._32.MH9cgopESMqF5TW5yC3ztNFC7xQqDPQcT5LMt4LYXES5G.p6wYpfFdg5U196uaXVs_w_DPr9UwG6q7XpHp0ra2oM_DDlsbmIPs0kc.8h8v3w3dsJ47eNZ5OJJLPKReqsuJjPuL7Fqh1KqAchhy7_rq4urX6Sf4DOVSndwYGDAeXGNQNxbm0lBbn_UwomSbLU222AoZmh75HY3hQ00E8eYLZ0OogZwLRHSNjlleUkcOLrtKmnKz47j2DMiYb5JbNIPIuepP0yhYAvzklcR9O37lHm3L5GvFDG9czCZRQo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f240b6487bd6fc';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\/7168504329?__cf_chl_rt_tk=fgVTFaylJVHoHvVU2fiFFOI7ldlnyqHhyywNd4xb4IA-1739087261-1.0.1.1-3hEixql9IQMJVotWFEGKXb6mQMOI4zMWlLTr1pHEX.A" + 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