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-868869845743.mit-edu.top/post/8761930425

  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-868869845743.mit-edu.top",cType: 'managed',cRay: '90fca8263cab28c2',cH: 'FcpHa.DqT57TF118_CzO9h89tnopyLtt5qiLp158PkA-1739196355-1.2.1.1-tcCXUIlAW9QSUWAHfgwyCHbm9n8sGoPMKlQS36AA3ZMaAgYJbex.O39rCQtCwrA3',cUPMDTk: "\/post\/8761930425?__cf_chl_tk=BdSLVmnxJ0ddpEURWlJFXETcWF0yAngm7KS4pjVT5vo-1739196355-1.0.1.1-I5GIpNYXgoNZfZZ.yyYkV_mCUTOm3ruqFWv2N897o.M",cFPWv: 'g',cITimeS: '1739196355',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8761930425?__cf_chl_f_tk=BdSLVmnxJ0ddpEURWlJFXETcWF0yAngm7KS4pjVT5vo-1739196355-1.0.1.1-I5GIpNYXgoNZfZZ.yyYkV_mCUTOm3ruqFWv2N897o.M",md: "9LNPcSvWPW4HwlxdTDGdI.U5mSuAlk09_4Dcv8i0kTw-1739196355-1.2.1.1-x9TsOjVFqOPCBgWg0PjipYLoI2O2DB0pOX17Qrui4Yq.aY1o7Uqdl0AdPsbx.A48_pPRQvctvq2IYvzFYBcJaTwDy5TLNGyznof3pOQSYK4y1Z7KFA5rpmZcM4ZGhveRkGk_mjFpMSdzyuS6hf1ru8HhEGVhq1TrKtGT17g8z9_1.Ohuj9XvBpOdJdqpocG1I834Vhn_bqnzKa5wW.PSdsaF0Ir25.EpOn9Lqdk9wMCLwjBWxtyHS6Mn0LhgIF.g2.Pz36mpvLNRssdNKQF5f_VPJIm4aL1wUfnOPeD5MUU1KON314sF00No9lku99HpK7uDYYFsd5JFURDm.MwG3BObT1ntYqzfb_zhiLB4C8dY2iq11GsVbfchMytlWRu51cRwEcamfcMa56bpnhjJDkFuh0LfvT7vzfJic055SBVlPAkw8EiXsv.Z6ZxsWrU.WA2QqKpdgYsQZ39GIlWAAsTHIMYg2rVd_hlV4gFo.moMJbMMbSqStYSUTpnyieVmzDC_c4ZWRuwPBrjsDbDyNRnnSHnTzZSPEklMVMoDfx_pGXK7kszATukCV3ydY9pU_br.M7sLvMsSQ8FoIWZpx.zi59LzoyoVx8_0LaDdry1aZOfdL47iyZsL6X4SD6h36TdxkOZ22v5P96wR2yg6K1DxEEh5bCdm_LpxWOCUosg3hmxG13DS9ydz38aQxZEmF6p7k923jQWl1IHzjeZNYWz38n1Jaq5xbRCuS0PgEBTY7cCuGZCfH03D_f5gK0vqSSB.8n94MjH0qZTq8zQ1uQlzIJeuhxOYh2dwBsNZtj5ii.gwEEXA44raYFgXzDq66amn0BIZmDa.0SIkl3vTvV_7HchyJaA.6WHwuk8V3PkSkOe_HDM.xOYz._vdJdDYZ84.Wn_Cefahokm4LED4_CyY0D4JelS.UCDAQohhozeUyHHGw184KqzeTSeql1b7enIPGzmo3fHAVx4nMx8f9iAST18NOXLgHcGonDkL3yQw4mar7oxIysgu9msyGzsclqXNFjTnuXyRc0PsDrjgu62hyMuvSCLXIAWuNJUDkikzaQ0rF8ancFHfhpTegSyXNEiDWNxAVqdz3QUsqs8.zhg8PZJk.DlVUf_.Ic2WybEIr6wpcKDAOsf3GSV7Z_47xuz9rWyYPYHeUHsIbCTHJc2ZyVjMGCwef79hwg0MKpR5_a6hJFSY5AM4Zm_ZySmNmxPiIn1JnRNVgGj6oFbYOoeW7cG80l_G5mfUoFJB1q.qM06zdr4xowZ3.qdxdP5MpYos1o4x9yPSMoiixMyEFH64U6Pn229eXLp7ulXBlfXJHJ0rVYw2uHe87Ifi62PBX25v6yPnC.QELwIjtTDUZSP9wyr5vi8JS1ldkaG0ZDhHxW7LnVmn4NNxN1VEvUFglvtUrMqOaoXhyh4MgKd4P2zHfVLvpvYK5_8bej8G4Yd6IEFjrL50Zl9YBpFvvgjB_b16l.dmW2VmULn5J6kwF0pb7zI4iXZLv6CtZXejOLxI2slnPEjAGXflTN3FAYwn7s7pD.D5YLGW6GBxNJfMiqymfY1cvP2zZBoYb7EbqiyO50AZsJjUzzYvEALPgPtQ01yLW64Sqy8EduCyMmqBQAOuzm4nGuxd5EUKQmFqVX_I1s2dywDKvuYcKFR.J1KAu_YHKn5AW_pwmIcI6t6HCEK0dlf3VwOqDQ.25DwlG6XtueU9NXDVujNii1BG2Da5Y92fZL4oJaLgXMTgYJlRFsHeVqM3TixUGeQUPDcwLBx6r6.QQF.WzP36yDDxULxR_W51rUJjRVEGG5PurqiMFVNVKR9DxcErLOWLVkfDzorrB27_rI85o3ewFx1wC3jgf3J91BM7A9ABagM_4cfABq94J.Gf3.NzIUN5Uaj3eRENdO9nIDHbWmbd78U8ptiYTEIFMscJO9z7IR.NUJJgOldslcEhL18H0Pb6qeKu7Dg32ORbP1hHm6.SwDqJWmati9t4AGyMuq8_XQzj4gPqGWGT5y9AiwMbX8UEVzO51Uu5GmziMgF_uVzHQg8NL.z8B1KCX_swNcaL1ir5O2IxuSaUG.9vHNeQXrdEmxu9ZA.pxVvh_oflrrIOR2MzqQLvpny9d9Hl5pEXsE5M1HS61iQRcX81yzOTJcNz_rVdPea9LNX72EjSX761gfpzFl.01MOj59xysgfYv54PuyO0X0.tAKBZfeEhKTvix_4N5CqIqDKpMRBXQug4rVP5C4E9",mdrd: "x7eTywMxD6uzHvR9sCqxPnRMon4rXVncaJHrr2Kt6Es-1739196355-1.2.1.1-DZ8g6ffugD1HlbskOjRwW_sDE8omFC.d0S93KZo4FeExgDS7yeRtmEIwr4Z.4t5Y1.nHzXUhLTJ2sLbG8Ovd19G6DJuZ_5G6unTr8nWdKEbolKrNeEIn9JrVfMAs_Z.2dWDP3Z0FlsdiqshXlwnIRzibtvJoZOrRPRVZSLFdlmz5f30rHKBBNYSUHU6apiqvTM3HSe5NqMAgTa14TL_c7rhvm2U_vrUNgTx4MFd6Wpv1WFRoN3gi5LR4ligCZ7Izp..cwW5xvSCocCAnXPLjrC5S99ed5gExeOjy.oHnWSjogj0P.fRMwIpjlG7pSznj20F7D4sWqpO55AvZy4TSZ0uHSC5o6HCZQQYgrMGHMmC3x05WnmYVhLRC83sqnFww4AtZVcWc0vt_oOHQNdeg6F83vbB8XUW4Z1eIajFUXOyHIWZTWQ16VUfctp5Y45QZVqF6Cvt05nkfA4DpkC6qHcf5bYkzmvEqjLBnKJ6uBwt.wJ5rAgB7Bc.o1wKZ_Azhi_AuCHcV88SNqUbKLJIvxi_4Ap3MtWV0xnMGk6EhXmkghqs_gEMGC42uvRGoBCGCVmvpc7QDs02mz1gE6lnV2Cn.lcls8ZqyYq7P_H7HApUBnMEgj7vR5vIP2GaDMH0fBBnvBeOFwzcENj1m9sWlNpHHd3SaW4bvK7vh2CXVVqsPF.XLxBa0aHzzu1v5k3psm3q7J2Xgl910zt2Z4yo5ys0WT7isk87ghuYDr1aLskfQFNTtkim7okIMLiRSXyxOAjyQZiwY33bLFSy3Z0ltJUZIQH3Vw_h.oBOPdnNpDz0XiELlvZVOqKcIQQxTi7rIM6IkoNmRci497bXPuMRVgeWbtO_5GdPiCtL7MoVyl51IskGJOed9KpQPSL0eTHFNVJNpDj.s4FGj_0ImYo7ZYM6jKi_seTVQruZke6EBAhQDbz9.3E76Xu4rgjz7nzipSQMG_vtYukHk6XmAQhU8IVsPaizcaNxSmjgUJlT_YuqiE_rg4NsQhn3.oQ7MtACi_nJZGOdwnZFxDULp4DVOlwMvpl2PeX7Y4p9ZA28e7mw1VNQ47mRLpvAcXksVmWiXBAT.qdi6eGpyAVGQz2RMq2bfp0VmDE.JodnqWgeovPAf6jLqpBhqm19VhcXNLIZjV3I3f9eZtsm3kCpmHXOo23iWQ4udi5Ul9yCSdaz25VZ0rNdV4aPDjIVX1fYNK.ljbc47jeDoneBIbjRzqqRr9WgEzJ_haBx0XjE9BIMqKBQs6cKuFAn4_5m.tdO8aOnLxzuYYr.9NBqz9Dy3uAgUcH4PfH155tvuMoh1u.SKhZxpCDhRT9hY_POrq9KMuX4iopMLFJkP60ILGSaKAqLbUYJJM_Bxvz_l8kXIMxC_bXFhjfeacuGy6BBtnLbgq6BiFAcMtM4Brw.NB_GiZMDr.Y4qSqc0Ju.yOWzob_zrC34hYuZoD1w1Pa1Zy.iH_1RTxjwtqTf_0xt9ytLLYqS6447xAtVSpfUzukEIb5zsrHuMaNaQmt9KWj9aFbspIYg_Fd.zBsI4Tz9q57Tug_EJAlHzjigBJBbkimLWb_jr1PoPMooElyiuNjstblCcWReLRFLF2OqGR_qTfCQEcwPF0mjLURkp8KQ4rcHUhYbdx374BiJ4crvKC4cW9l0Kt4hkkJzXilGkgTG7pjFHjk_te0mjXAKRDwn91D8NjShmKUPsjPZL7OQwPagfBiz9Wtaol0SrKsYoqoIEnOoGw9n8MhH0dupaIRuGTo4Hw0_Lze5OgCbWr02jK7irWnE9XbchWYpz4KK0mMxnaiMw_SDN0zDkHtkbrn.J6CKjzEPTqr4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fca8263cab28c2';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\/8761930425?__cf_chl_rt_tk=BdSLVmnxJ0ddpEURWlJFXETcWF0yAngm7KS4pjVT5vo-1739196355-1.0.1.1-I5GIpNYXgoNZfZZ.yyYkV_mCUTOm3ruqFWv2N897o.M" + 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