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-740930826425.mit-edu.top/post/5039678421

  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-740930826425.mit-edu.top",cType: 'managed',cRay: '90fcae24bfc72d12',cH: '_MQlSTn_qpWpE6OxBT9xH63MWKHJKp99lz7ZgON4lLA-1739196601-1.2.1.1-YmNzBs5Mhd2qZkewmqXF2jaUAiPByjf_XUvof7XmaiuPkuaLqTTEDsG5m6m0dfKN',cUPMDTk: "\/post\/5039678421?__cf_chl_tk=U_1Xz9U8D64Uv3ephALCice7GLOUL1NIO9.rdPDs_ZQ-1739196601-1.0.1.1-88uoG_OZuSKt_XNjzJC.j9Qi8diy4pDz8tQJ3fgsoFM",cFPWv: 'g',cITimeS: '1739196601',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5039678421?__cf_chl_f_tk=U_1Xz9U8D64Uv3ephALCice7GLOUL1NIO9.rdPDs_ZQ-1739196601-1.0.1.1-88uoG_OZuSKt_XNjzJC.j9Qi8diy4pDz8tQJ3fgsoFM",md: "4BSFB0qhCHc0iJZhVfLmEulguUlW70pdgbr_jiZr6Eo-1739196601-1.2.1.1-2IFI__cYUpJmk.P7cZWCzqFt736FlNuxVk0wR5zGcAt8ktgq7E_ENQ6WZtq8U6dE.BXk1Afdr_A1qs2IXWv.5oJ02EXufjtse5XYen_n6a0h2h90brsMl9i289NC8RIJGHPwmkQ_X2gb5fXGqBMyWXwgylfZI3F.gQNcVXhx1mY2gu09kodMzCBrMO7_P49Wo_QzDrMEe_EmSii8DcQkI555mN96d8vNR1rnqRptElhWDWAgTW3U3A_b6JyUaMSeeH3_LQ9Ltg1_NszWjtW3YAgOh1.0dLo0Swyt7LIltUaOF1OSxuBGoqtQDI76kKGtBe8aRfOHAPA60kTCjchj6vhG284zvw0AgTTz3af3SR_y4tjtV5AMKyyiA_Lpd2Uc3160GHMrpPM2T6oL9ZOKFmbJZ9OJKXzuIY4m9DvsUvead1XyRYq3lh9oQn4hoc_N1wjppXkqGeXK4sw7L5qw7wOJHAC4jdeO3OmgxlHotz8easEnuWtsLTvdfHV82jHFGwT.R7cUbulcL3OnyTtnRy_tGhwEBopLd.0Mhsz6f6S5UlcFsVAGpEoP4su9j5rfSGsVtn8BiIDYihplGgusElSMRj3ERBHjn7cwtOuU7t3sIvhh91FBQPGtvKAIA8Iz4C9Z6WXLxDtvm7quMlViAu5xYE7ze4w0E8yNRL9nF7XvK4lxZmMk1.DTSuoytoi50x8gTSTn0l1B.i4lhPbgEB2AqqNM3vPNx65e8TLsqK9DWZX8O5UOJx3Q_KFh3rzECpJZJCoX5Db3glODlnMI6LsHFsT8tEKZBxnu67GB.sOOdj5IAGVh7zS4KO6yrthH16p.8VRtIFaN.Fp83gMKJtOkL7R3k1pGJ9PZ47wEGIpiFhMSc2OubTTuQopEkdXuOUoqGBb4tegfKebzAWJVs66CCh7nv0PwtELFRJRg0CxbDGBgU4paOv_MVX16PXnyF.HNgD2qTLvkFxoI9IfS2ZJhsPKqDDQ0435DMRDnjio1Tp1y3sb7lFOEjrzOzPpRycjpzx3TdBMckBAINAQ08YSz4rhBZN_NaS6cgDD1QOuAwsN63zhrVRTZ_uWeW2jyJAsZvvIL8hzftFUbS9sGBnLNHZkacG22vJhKb2q6j01b_tzL02SWVkNmCeenpLh8AkKhgw2BJctLE37GRMMVNw6Ue5zH_rxDTdFaGr0DBTVZFFAAT42e.hG6T0_EkW_PaLr4sndXRS6O036dXD7bUvutM028SkK7NGni5b5uRMtGVbrc7JxpO8XWq2tifSbIskShCZNN1vtk7F1aAxX9xiXjoSyEgTUyf6wvOFEAcdzPN5uk3cb1BAfrjVDVdqXXwmMPtYNTPVg2_ZHsR4oFSKPXDUNLHalRjrNtGow9.br3X9RxGSdo5Rh4izNCIdl2ISi9haL6LM1jLWIOK_8ePxnFsQZw3yveGmU.udGBTC9bz65I2n9nVFQOQGsEsJ_xNJMfzR4UN33qGWSep2tpQ0tZ63_zPel.vxqU2YLmBFILmuFs4jhSs7JyHu1uhv83Z78Vwk1aNpvN9UTYE4n1AUa7M2lOWCmR.ziTA9D.FdqHVzyMdJ8od0lGROYnrVPdwI36y3da3IW2ndipKXlcIvbuXWYfFxEQFmweSy5FvNZzfKpW.7ac5zIEPrG_ORLGDd1orevmAARJdjXlgwSwmF91UbOIamkM3TXfNqEPtnHELu36qK7lUNrlufn7pFB2QzY.Y0Yd8QYiTyKO1OaJCcChXeKCtWT3K54Ar.fXVh7RsZ2W44iyeG2Gw2lOLWGNI._YMW1CH.SgoxdDfbhGlZh9pqKnDgV.NGRH2uiiQ2wjc7j49wAu4lZ091W9Wafp_cBL5Y0.z86E3RmsUytH_zjKkEo_aVYBaXlJ9J1cVSpbFXwZVGQr5iKDbFifm2JjG2jR0Jbcu6QFu2Ansx_VDHNzF4GJyxYMmfQ84gfvg2Zx3CP3f_V0mMEG.5st5XBHT4NVZmBwqb4zdxZZnqUcvrbXFjdEJDsJlqAyusxCO3QSyrqMGUIRn0IEp906yjRkJ5MmwYkLQepp7HT.ekz1tjE0l1mzXZxXrFV2HHea5Ku9VouZT6wDAaPaV.S9M4uI4Ve07FgXnJhGW6Sw1bNNv0cFHUjsB1dXQ_VDRC3.IZtiiIz21YGlvz0Q1FoWwjP30VHX0FwzBvllg6udv9jux9uGcuPf25eOguT5qXZeObpNGZ3XQdwAa_0_.kMZYVwY",mdrd: "0L2B1_VMhSTs6aLxY9h09ZSLufe1yV0TNlDOWyRkl3w-1739196601-1.2.1.1-Ek.vuND7Qg9VE1UsYO1yOplnYDmzJ.KIcoEhl1jddccijBvRzpltxw1AaE1rSJXLQkKSYcZxIP1NI451_cs0Q9VR_KQeGv_d2o0oxWPIm00TSb2bqQJF1Htkzyx5Q3TUZcs15ubgbrMpbmSI4VZGfc8uZMoGv_CfCqWCZD.Lp_.x.964lq9qfk1ZW74fmPD59cuxwkFrHSYUOBg_qu__lLeX1j8RdfuWInO_c3bFkkkl_lSje7gQBAzNZTtycGrWxnin3DJ5CNcLE0.c6Z9qVBCiphfWjT.iaLxSfEnAbrbHZ8Ejlf0S61xN6Un9ZSIbaJVIoUdcWsk2yHhOzFn9cRpWk2Fe72jSOqdmS8cKFjqi6_JkkwtHkF5aNmy6Dxgrc2etPOH.5AR6c8Mk2NUsunWn_UzgT1gVkd_bYKbJbgWH_gGnS57hxi3b1dNaiG6vJM0RZ9z4UsuIYSXODYALOq63Q8d6hL55ufyM.YBgYCzagZTqPP6EdmoKksCtDfeq.lk_l5fhszPyLubybqP_HnzIdzOAOAw8dfmsIcmv562LtvK_o.F8YVTG2p2F0YmfArqO51ChzHFY35FxApwCIsQ1HhOerXwoICmE4.DpNApgIv8WfAO0nksCUXBrm9Kz2Hb5jins_V0jg6aSLJvb_PhwH0XAHFBf0setr2c0PuJSwvsGZVS1TfM6MGPWxiRkTl5_dVqTaIkYzFXMI6boGkaJ8pYLD..SO8eJnnNyZObIULD7c8SEuuyHfYHrfr0N4nU.N9wrUwYQJUJt_b5CF_uN7_jIEWS0GnzFr.06vjJR4ukGfDwWvDAi3w3TeA6RZXPHykPwz2Qi.jHTcoprPK30qHlqoLBl0dkku7wSkvkTTH37Q.St3S6_0xfqwZGXqjdBcME73GLfM9ES8wm.d5.MJNm_Z1VUf8ZnwCWVVCeFwuyrXc3vZ3hS98NLYPiMuKYlpGb8VVZi5hWXk6P69CrJvh9OzQHkL5ku7iZcW2N93G7t.KAXTigKVeP03mFFZ3FxSk1AhL9exy8QZMlFzlroUohjaLyEucj2qYQzt0ZaQW4fRnExogquGJoSxCPkWoToW13EwV40VqaCyJIDs22_ARH5goqMXXAzGdHHRbt0CZdJ2v2zewyPW_qVToUxbDSGionTWMs6sKtQCulPfOpH6Z5wtguenudYUCtHs1RES7LjHfHtDe12P9hDhbtDrYm6Eizvbp410zqlWXrUASNHn12Fu939Z7pd.izCCXhlilAMQBWeQ.qVtzm3ZFJUo_grl0tPyqcneXPRDOUaZoRWZNAlBTxoVeben1oyKc8wGM497WhIdGOhEWgBNv2NWv9T6_lqzFo2V20hGTMKU.HuA_3vWXepWnFHGj4ahI29vlA03LdalQvHlbllrpKBx73lcjgXl_u0crdz.39k3n_yVNT7.YjQwUwitf3_Cl1OiwAT8krO_yiY9djILjHGgmLBjEAsnp.Iw2sefjQIQLfTxUKlViq0V9.mYMJzug2mF5WlD22GpG46AdGsgwCLkAvbkCpsi7Qich4I_qXmpW2YV28HcSQ1bId_j.NFjnSoaQ4YfeR14zXfB0lYQPcp6LqQfrijW_6rD7JFqR7WpUsxNL.iYTzKQzRsP6MvOC4ucHju4gCCrVq78AeWEHnqEwL0OwwRa9PrZnN8Qy7Ql8sZPFi8axlVpBr0fmNAj1yAT70kDJuQM83fYGDa8cxpAh8zXvsHnpWPtr.H45SjtEut_PhgGOz5xhU4CS4WcP.7VZexRE.qS2IL.9iwm6dzRzpVxd0JsoIT8.7uN.D2fw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcae24bfc72d12';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\/5039678421?__cf_chl_rt_tk=U_1Xz9U8D64Uv3ephALCice7GLOUL1NIO9.rdPDs_ZQ-1739196601-1.0.1.1-88uoG_OZuSKt_XNjzJC.j9Qi8diy4pDz8tQJ3fgsoFM" + 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