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-573224550852.mit-edu.top/post/5079428163

  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-573224550852.mit-edu.top",cType: 'managed',cRay: '910fe9a29b53c984',cH: 'EGK.v3rJETpI2ZWi4aM9ixf.1nTzTbpojqKIPPCvjwE-1739398267-1.2.1.1-N9bYfEWkuhij8PA.UPYWKWbJLZ5xKp.U.EzLwcmT.YX33c8k4hxfdbC8XJOdhSoS',cUPMDTk: "\/post\/5079428163?__cf_chl_tk=uDMSXQjJkEw35vF16IFrGaRxEJDoIIF2toEtAlNeTsk-1739398267-1.0.1.1-7W6FuLT46lI2.xmZi8kAEOwGr1MzIcrHABBrGpp0Jbg",cFPWv: 'b',cITimeS: '1739398267',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5079428163?__cf_chl_f_tk=uDMSXQjJkEw35vF16IFrGaRxEJDoIIF2toEtAlNeTsk-1739398267-1.0.1.1-7W6FuLT46lI2.xmZi8kAEOwGr1MzIcrHABBrGpp0Jbg",md: "PiTunxz_dhtUqWR0VCjynNmfdrK2HIkTLeknC6lYPuo-1739398267-1.2.1.1-0EVWSC5.484470zx1psnF_Vua5HwnWvOJzKeX8bbtiarPr.QRGGP4dXCZL3l7RkmDjwAO7oPSJKH_rlADtGXweBzOoLE7eX.a2UBDsLmDghy5eBnUx9rske55sZqbp.j1QybRakG5UDBOSs2nM4JoX0v7vx7rrGMwQyFxnefAxJB4BAK4j1BTLrRXkfiBxhGTCb8blgy7XlBqbrhl.XsS67SD6RwUIzzPCtjXZVRQskqd5Fo8VXVVHbVqK6fOP5raK0DxmFBKIku78QjgXCF0iAtqJcUA2P2i1_Hmc13hzbLS2TIaLdHdLMTouKvnPxR4maSyBg0ivBYqZ8Y5FozVzt9pw7TvHsdVMKcygq2PfavDaQpvfUVtHkf4Uoq7civjvJxD3OGF7lJt6C37.T6fJktEjDlaLY2aHwaWCPfKJu3TEiot4HA_FdcZS.PV88Sxb0A1pAgm7Vwa42Tyahz0bdvgS41nvppsYIY._ltb2.n2dIOmL2N178k0w_rVCkPA5QQAnr9hobSYSbss_pqPZBg2F5dh_sqFKaWyvI4echQjdhK7HIDhe0J2Nbi6zvAzpWrLXTw44I6Oh8SjisQv37NVwPYiXLhrnT62VP7mllCpE5WMC9ZEmAuQ4XSqbHimY73rEGbx6nuwUzf0fUKOXOnKAQwIlVHEFCGQ_Wqin0T0g31C6wwannhCVT12KaAHgOR5sr6Ip9rXU65uHUi7pDzg7w1ne5SvrZsrN9fZdz0ZmnNHM_qyLBYs9lJ6GCvTcGOYS7DJ5szhiUjy2Nbtjlh1S5nMJWFj0QhRGgVTaq3LKTAe5iRWct7btUN3ogkE3DHktwTHRT7Fo2lavwPrtZWdhpliw9sFNXYZ7fqUTwNJhpYeUqByjtYHff6jcJpCuL7BwUqQOx3Emq1RHxKHQLSV8MhTk.liJrX3RWic228mcC26LxzYhYQGhRq8hkaO6r1qPJZLZHqkR4RmjPZvQGsbSiJxKF7MG1jmGk4rwYIkmYzpxBslKHC46ci.E4allZisrbw9VoUeUz2TeMit41FgbuQ1PaD1AI5ZP.JSz.p7LiwHS1k4KIDuyVlZdvJcoq6YsWgBRh71FIl_J51eUj2oOL91KJFfl41QjyVk.pDAdkzBhG6Uars5rK8uCi.V.bkiIFkhNGtrrw_UHcuMTGpL08AmVVHVVsl7HUvtHaMjrXT5Vihp4rVYZp9ryP26Ja_oqJAZVX9dc8wmMnP760W8F_cG3_n30wr4NGu29c5CtENDO2PNv6QWTlSyh0_9NVfjJbK0S0UokD1S4VjVCE40ssRZFmquMnGg0fj6G7vuIrjj.ElMyZvTqGlViYCOuIGc.OFrdto3piPUoGsBha5lkUZy3w4iudV1TuLLGYbMsKTy1t1RVp6HLD.j6qhfTgViuroByKI7weDh22KroX9fAxJ1OKYm.kPvMfNp9a6PHzs6m5bRcwJOdYashnqYJMWbqQc1AIqNr3aI3eClEQ56bB1sY8qrVTjRVPpPbyl8Peak854cdp8HnYnbofjYHGuVNirD7QVdzsFwYBsgK6R9pNzhKgrrTZnhaNcfBc9FvzwxZWKvSUCIoO7aTMYslSub6GYaEDOQrptmqZfhGqyRPdgFOp9mdh6BEXVN0sIa9Nm48THVATss_dkTO5lB6Vjbpan89H5g2zdTieN3YdhDLuci0Bicfykxbqg696DCJM3VSzlyFIiFaYiehbvClXddBJsPC2tEB2bgK.7FLkTC_Lk5CZ7LxasSeD7GbPCBDTalCEvkh3eIWJIpZuadPDQdESV3eY_nw.HvIt.7l_bUSbrpH3RgNDDDOTGqaEUj4OFNHiHqjLhe1i7JOj_r7F8Oe7kOLjlPmKHelBhSA0bbE7bRwkJ8UsJcvFrfiTVwfT3tzi5__apkgStDqYeYQsYFTcYZ7MJlkC5UxHj0NuSwby5JGZpr5d0kdv_wNwlyLDF3evIST7C9WDOAfTFaZx8Xl9vEzqoCCfNkPHpvvsJjDMKFViKbWKnxnQYqIIgX_NywWIt6D5JFjqtReLDHpQxSnLEY.K_Q7NLT.moSf1GrFuQqk1KbNVGpY_sBkVYIMLqQewOFNv0cEw_q1o18guUw_zPx_8C9Bco7Zp81J9Y3CBpzkZy50uzQjoiur2wYOOg9woy.1mdtxN9Ko5o2IJN35idSIJ1BzEb1P94KzEeUV.LcOU_6oDzLPX.8PS67YQoBRp7kze2UKNxoocO",mdrd: "xwqc.xHKzzVfoClnIjelG4nqDhgucfiAO0IXYlAF8D0-1739398267-1.2.1.1-LVk85O_7IFuAtteTmPZWIcID5hbMCfsjeed.aGCBXyqbrCvLNZywMELjPAdZ66B1vRz.nySvaV4WbbhpSozVrNEdpCAPulKe4USWDtqxgMb9ZWng069OzNxxmiasREsoQFKC_K7J0ooleo4ceSMzTsrgj3i.zaGXeuVbiXiEhbPLl0.Gx7MSQJarVtgobJpZojwIPWMRt.IdWgyfrDjOhTYSr28MIAlP8YZCglsC6ACVKHZ4zJ_Y9SrYplS4RWp_XdQ3kTUWwW67wygaKYL6OTmyUgX77fHNMqS0POKm1EtZhG3d1vNuxQ5MujU3QfPXRYKYoqUeoMjASGs5CwT9CkZSmyUircw.5bzjDtff7rvf_Ryh9J2lcoFH12wuGG4w_lcua9LP_tcmrGK.xmwrIa7pkSAAmm1..Ds2uJUFvZ_zg7onwoyS1K8iZnvqn8aI48mVaSKl2vVnVjoRy2dyBlPYw7jeoAauULTVBI.WTdB8IeA8MjeWzFd8LvBj6181h.mPRWCvch_xd_tOpqxoQOWOKGcIggsVV78bz5oxSR3hDOWGzuCndgdf.oYeh9KREX8KYR2kJgtmPpNfO_SRdurd8Ij1_dyJLYz3NSrAwlLS211laIzupl7Hx1J3AGJEydEs08XOO73g7amWoqTHdv72Df1gr1L..bm_6n0ZIowKLzcTLPdHRArj_ROSKHX9OhV4KX2Vc5nNkIpNr82MrKbs3MHfL_JwCsJNbm6GznT0tXDdep3JMALriQCf0KTFQyloFixUYl3l.9EIxbtShCr0r.rFVkgJmPw62htCW3EEX3fJaM.zzoWkRYBNIDWEH2Ivo6gq_TevaQHHv9ViDpH4icsccwfK_m84_AstBUVAQebXhlWWUhMiabmLKhDG.JfaCY7VodM1ZjPvm.XE3j5DHU1wFr89FQpN45iEj3SOqUieFy6Ebud.TqdxQFGwzoKrqYhYiNUGl.wNmqxLLX344lODbTFxeM5F4ewi30KSZYr9t1f_2FPH4FqGzpfJg71yoFXy5kqTPRui9Jt8oqGI37laqWJlOpS4dxHoTCbqw0g15rPJZT7trQ2tlpL1XxG4j4yqYPf.pNIeizDur94RQZK8KvKKH.98gW1_v_S68TqusVeS9cdrrqY.rO1_B48SNq4WGM5NUt4wrT1ZEsEP1CSbRqYbbeP0ZZU90BN44zEmBYY2404AHYVxn4VgFTMTXww82T6QibFnLpkp52.VjTJgQRGpH356ezJPiDe.I0CbAdN9irOlEBepScnC7Q.sWHXikqqqfcwxqA6q0uNomXvq.3BF6fYyz1XcZfqBz0VoPauYH_o0KcA8u1VzkTReE.Oz.ThK1H9dnn9fHi_8TM1vDPJ0nguJldxhuzcOyVRPdTOrZErRlhMu7z7yg7srD9hGMS8MzuwIk1Qp8Vd5oZivZWF5WYYfcVZyBvBv0M.wzgH55tYJCA1LIz50bBGRk7kT8iwpVn5wWz5rmOdKaeaSx_BJf_Xii8UZJqI1CpiQvuvZkhtcxm08N55gprWGOpEAV1Ls.93Tz7kpDmUF2UvcYeqiwYW.StF9nZL2TWR.L6el46DKwmsPy4C4VE3pa.uocI8GdHFeNVhJK1dvhwd3_edJiXkvrkY7HIe2v0qqnXTxIwMT8ORQYkFkIYhIKNExmrlKKVISsCpPBCXVYq7Ic.jFoklRLyUS1SOwMUUziFxS0OuEArT.634Uva94tKih4jGaJDjrS7BJoTWXHi5V6e3QWy2Qjlz_YvELvwPCu1ZY7gdTSZcAPCDhzGVUVuXs4mAFAl6X1h_3qZSgTHHDRNxvAyv01dLvfC4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fe9a29b53c984';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\/5079428163?__cf_chl_rt_tk=uDMSXQjJkEw35vF16IFrGaRxEJDoIIF2toEtAlNeTsk-1739398267-1.0.1.1-7W6FuLT46lI2.xmZi8kAEOwGr1MzIcrHABBrGpp0Jbg" + 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