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-843220562707.mit-edu.top/post/7912384506

  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-843220562707.mit-edu.top",cType: 'managed',cRay: '90fb35016a06c94c',cH: '4h6wuLpJScS071epiLeboJP_WWIhk4x3YQvg0pGbiU8-1739181153-1.2.1.1-e69L5Ua2g3m2kjQShgfy8M0jqqdVFuXnf0SzAT9KTW7vhak2BB160kLAAiVvcLNk',cUPMDTk: "\/post\/7912384506?__cf_chl_tk=6nIcq_ZZB_Sldd_MX1vCfcvCZRu8aYSSewcaeeGlUyE-1739181153-1.0.1.1-.bN8zBqpppgNbsH6sOzy7Ki_Wifwr22OqBsHDBAkBFE",cFPWv: 'g',cITimeS: '1739181153',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7912384506?__cf_chl_f_tk=6nIcq_ZZB_Sldd_MX1vCfcvCZRu8aYSSewcaeeGlUyE-1739181153-1.0.1.1-.bN8zBqpppgNbsH6sOzy7Ki_Wifwr22OqBsHDBAkBFE",md: "T3cXYAcsEgRq24nEQtzsrvp9nk5gbOs9svqbTsM8NXk-1739181153-1.2.1.1-2JZg6w7LGudwjOp9Qz2sqow_U4jMfRmVBfe.8TX0KLpmIsnzsx4yw5Q7hWaCuca_041A4BrKbUKnyJjgPnGso8337Nt9S4csBkQ1Rek21qkCyGUAKIusjIABpndMwnrNc20CbKb6MkqjuborUZC2UXtDXxqtAMPnN.QWH.96ojl9Uvzs_r1ySObijFF91FUuBYx0f_CVi2frD6Vi8j8cheDI9EhnLI8Xh04X0hrbux.LrRhXgy3hcFuhHmIBqeoKnlW0qszbOPoR3Y.GZ06MDzQwZ6uplOnbUUu.W59h01X5DbSpnLRn_.ey.IzcUN.0VYwCaE9ilui3keObjz7iJrOflz515UpZL3GP.IpeUQA.U214Q0YwrcrAmAtF2ASj2exoG.PPJI9YIwg1qiikNAAL_S6yQhFLUSXZAjekDnZwEVu9_i06oT.6wuWEDk5BfwwzvkBFuCLiC3qY0qapGthnrRYNQn4vTdppBRgWarS7OTT0DhI9qZqjVkvt3ymmDM1W9iRAdtUqcI6Z4_qx3X4ofHmCtQgaxBi82PI_GpkFbTlTtuD7V9avb8CmKlNbEbwZjcjJdOp8xtNMZheBmNkoxdo_4byIYWEWyyympfVMhUxAzDg86A4lzDifeNkyKAEShmulWYNAsTg5Qfl7xtSCOGX45yflMPRKiFq7cdHD_tfNK10_uhahxrPWM79h169ZdXSf4584GWPgzCupowQzHIm_8qeWzFhd1P60mnkIiAEsG5LRl7L7hhDyH5Xzk_dRbfPdmXBg2CGFpewQyahn6zCoFdtd6ddZ3oJr20eODB_swLCQaW2xvWtzTptkLDq_omoLE8DhyEP.QvZHig7eT9TGF1r3uIAedKq48ghza5oBzOD7ZhTSirOjnGIJWiclo5FkguFf4wly5LnGVuRkjWWqK082498VV6NCy8mjF0vQ70cZwksdru2bd4OV9nbKF3EqYp6Rd9ZacXIpkFqmNaSvuaL8OpzXpJAS37BF8sdKGXklCwpDzTZI1NhcBWO5NJ1Z17b8LhNpOJIbfBYo4ZDxVM0E7q9Ycattr6qZS7p91qYkx5biSTe96hqrWF9ewbd4HNoTkH72ltRiQcOuc.C3UdJeViZtx6jC_c5dz7vXBAtp_iYT9Z0Xo.OSkUNEa466D46Vhox0oVwXapnVlhScgaYgoC0vPvRYlHo0plmark7pbQHZqEAYP145SCMaqjTe5Sz3QKFum7bjzPODKwRZXQoSow6yYyZ08tT1FPrTRzjO146u3GURTlnfMkW8l9Mr4f7vdUfu9L9kScn8bBESAvSkPcThg2nKEloxSx7BppHfZSDSFtiF_zRcApoQmnjiOAbpD2FDh1QK9eploX.AX4rEl2YFxVBUey5jT3K2ho_fx5C8Rovm78azrzog7VBgwhovaYf39gmt9LD4lT4OC29BbUQm_U8DK1KPuKN3D6IfDYjKzwzM4BfLUD84fW05FVlW9HWHi6daLa2jo100IdgQK2s6CMVIb6_cJ6o3dVplMp33aBXfviVR5VE_mphW9vYiHIOrdI39r6iZ9A_9OtkLVFHKpR10XJAYGb1PzfNjYzVbIR0lviKPPpPpwp1x1yAPDEXAg0PDQfVOW1ZL7Su2iuhfU6FmOl75f7wEBpm4Hx7koC0mNxTe56Iz4wrj39RmBxK9E7G5H4_Johzkd2ks_8N1Zpk0sjTJPfevXukInLyzA.9WXPh4SLB8H4RXtS1_ys1TW3gjjDzQuMkepeNPDQiRc1R8dixJHcOHgjdsonuO8dDukfUlIxD_VtvDRnafOJpuWIIPvk87q9Q9FFBK5hwA0oBL69zkOig1L0jyMriAwZf_ZAKZP8tLhgGDul.d6fqyp5x3rSq4kvhgmdhp.lerRo1kW_FAJ60_7UhxiQT30DJ7n0ep5sW3MnGHLdWEU7U.IAcYEH9pDP_uPCsm8IfyTLGERLaGiieT2xPv2qfOKGgUBEbM4.iSdCY6W1MX3bc9l6NYKaEJVRksq52ifP0lfv1NGheRsZxU2LrN_6nEy_k42GlNQpeVBscxguIu9nxtgpOKECvYujS6Tfr0sCd59upPx6iONz6Rf3lttiuCsXksC8oZR6YG2YqY_KywBREPeUFYKoN3NbADAUABp9raY2shP91EWBA4MRAh_wO2uRS3LbYAwZOy_4ei.H8iTWAoHwGr7e3BTUsUhaqlWatsIDHEB9QxCzU6.zTSuy7afoh6z6qN",mdrd: "tkWmjsnxh1OJK3nnru7ICLPwgzkDJJNNS7AfVW_EjOw-1739181153-1.2.1.1-pVaE4b2h0TFCn07MzftmKoI2gqCa_NY190xoABhjvAEwwp4nwqY6.3KYCtdyjYDviJ_7wfsw6nF5IJi4QcAJhk0AT8NAcqcToC.BwZ9viKBQ9xKT24vBcC3y2yD1_GwRfnuSDt_oO9VMGhGXsppozmUhDfR8qym2QSMN.7ogwe86zmluB0TQJcQwBwbS1VxJYNiX.E1vCUo7mjViro3.5GP82lX2vNcGNF07szsLDrXCmpQAQztK6W8JTt2g4TEj.phUG3ZjUuetGYhru2GrD3WULI6svuji.ZWobIpJ.cX6UvzVyXlZr2jYFhJ2gpNQwxg4xk_uey5nmtxv41SJZm0yYd_wThw7gCn8QZeMANFMHR9vmGs0RbsxUTb7Q0PyOxVmms2PwZR4.GnOLQ.pqWLfD7t248XlIV3VB4cqznCDecnDVK9gKiAAbRerdH88OL8TQiFkmiSHP7hVvGn_GZTHCYL0ENtpfWp3TCzdhvrxvlOb3XAPqcQBf_KxxbYojnAvi17UItuulaCJOdyFavSIb8NbEnFc_b64leojwYT2pVemysqXAtG5r5SKiz2TyqtTygcrVqHbfuZHaUcoPJYxW4VLEY.XVK.hKPD4skQ1A5fqsOExsjzyBxBYGx5TT_abo8ZY5DSB47VM9PTeXziIXg_8yRp4bOOWnEB0iqpGjctPjvM0LbWM47JFnMjOqRuvGj59IJkVYNqMrBacYqb1R.7vts46SMgJBCfei7wD94zvJ75KIpB9TED_S3lvy.RYmuxqxDiYMoMuR2gIyMXBtzOnR7aMza_as4hfXvsbBLecRrh4_XUC5kwfn4b2q4XieLV60TeyeN3cMzHYl4EBrUcX2HLxkMJBBjUTSS6MT9UAVCyzJ5oi59.vSbnSHqJ6Pqlc9loLgdCnBhp7BdUBEQUTQopuSP2yzCp0RyAQTl2qjNZ46fv8DpzV77zjuxsnSu8CkO541pFZlcKSok0rQI260Y9YZ5EqMZi6Ee8DTTeI2Eu5WdhNEp1lrCh0yRQyxbOkE7gN8aIXaCovnN.4wCfjHui.CJtf2UmKyBD77rGoD8mTXgwXlHQ0y9MJsYBPN2BMweIB4xbiXfCubpG__TJlUp9i3WrjT3LSfENuZze.VYeNKgNhgkdT7rZDtwzHjZnqA99swMxw1HQ.a3nRfs76UWQbyNknaOH9cUJECz5j_FAV2O5RB8jrEm.awxJ5TA1q5eDNTkIHOboH.PxEiYozH_QGZCAhpFKkI2vWXiteWIE0nWgDdpo907QzZIC7TGvwbPvIZVO0HRV9jq1UpzbOG4TbKgQlQj9LrCE8mfshMRCbfQkOBy_fp2wuv2WpiHV6UujEUbrBmqt.vPUkeba0mPDhkprg2SUOOGlfsS8GRsXF.9bdNAj2WH4ZpOqP0L4Gx11jV6530r_NunK59qfiAqw5WhLqkpQ9jIuWOae6PwEJmbbqOtB3Xa4hoOeOgsAsu0._erDKBFP1uMZE9i2wqAi_RKP8C6A8EG0sFhDmygUowttQi5PBnE4hc7NgyZ7FXcWFvPdP365CpVcmI.mABjOe2VL4iNnjnZ9zFRTwJIvgeR6bqjZ_JZw_aEdWIAYFGTzxtrY2_P3lEjqBj5UKRTvc7OkqGYI9D7NqxP4PFPz8et.ycHh9Au5WbfmehsZGRe9RiGgcDJHmgkbK7B2anlkT0pWGkJ9bR18AHZBLjwZa.fpWZRzyYsBIn1p3s2n7emITJncqBwx7JPkdbCNXK2_2RNypjTlUmhaROyNPA4AiRW37FEl_r2VJje._Ipqyet0oxYbNjBw2fQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb35016a06c94c';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\/7912384506?__cf_chl_rt_tk=6nIcq_ZZB_Sldd_MX1vCfcvCZRu8aYSSewcaeeGlUyE-1739181153-1.0.1.1-.bN8zBqpppgNbsH6sOzy7Ki_Wifwr22OqBsHDBAkBFE" + 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