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-055874501500.mit-edu.top/post/6291573840

  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-055874501500.mit-edu.top",cType: 'managed',cRay: '90fc9fe8faf21735',cH: 'cSMApfvGlAZY9pX6xNLGVFCYHOg3G2jpAseIghCGTRw-1739196018-1.2.1.1-uYh._7IzSe_daasq.8UeE6uY0rkXdd0F05Y5BMxAAgcQ.zg0r.SH6Yx5QPqtJ9.6',cUPMDTk: "\/post\/6291573840?__cf_chl_tk=mCDQCT.dzEA5FCR_G.lfmxVQVGQx9NW3oLMlfGVTJlc-1739196018-1.0.1.1-AY0sA1PRUp6SQpCo6dJ7XY0it9uEcLdaV5CVOh5dq_s",cFPWv: 'g',cITimeS: '1739196018',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6291573840?__cf_chl_f_tk=mCDQCT.dzEA5FCR_G.lfmxVQVGQx9NW3oLMlfGVTJlc-1739196018-1.0.1.1-AY0sA1PRUp6SQpCo6dJ7XY0it9uEcLdaV5CVOh5dq_s",md: "u4B7v9ZqSC5gJsEjCaofwDQ0_DjjWrb.6ZblhESp5Mk-1739196018-1.2.1.1-GJvuvyw7EV.zYb7TlcFnLpLhkj0xHo0uaGbDyn28liB1.ncKnzcKaQvT8WPDl6tWyP0Z_7tzGcmkf0QyyacPJzDXp1KQfF8bNG1O9_6DgJ2VNFXtGyY.m6mlRlN5eP2PRrnyZbObvlu28CVVaPCJjO09Yim0YinEWMX7VaFCRnOgf518hAnY64mr.ZoSrL0aYM0OFcHcVfmyTDqn1Na3D7biEVjltJrC_nisFsTm4p2v6R6hWJ7H.vPfm2nSRzJbi8oGTIRg0niWbrCqmAcVqcRPy4sL4jCFTYDWfZ1zv.bHY0y5f8EnQyhyUmj4fzi58Zu06AiYkXgdRmpiqv67wt1G0LFrfHWcOUcN8Vn0OJMB6u14WwZ3o8NSmABwrFUt_BvqjLJi8jbHfHbjv6bUlFtBNo_1I426geTGL8HgTJlSTvJ_0zITQVXp7ZU6XwyTXnbmDMX0bBdA12EKJ0QqJiSGZv8LB8Pkt_axPDpqnWX8VFLBSg9A2OSy4ky2AcR5wcGpq.2fjmhioPZb3KxPNA2zjGo73y_1J44_bcbaUOIZWACITqRDyAoPizQoWdEmxFGokDBokdqzZaJwowILUlvdtzzYiyWnN2bI1Wkb9iXzwRMtpMnWflhOBOXTkpygElJXgWzu8UnzNrrrFBbUkuDC5Yx.Etno2P7g2rDEqmxHWEzAEb3ULZNhyT86cUPd6E7.GxyPCPlszk8ALlLxNLTA0IIL9K3GOphIRtBIXE3paCrZH_SsA96FQ_aiBUYcHEclG4Vp9cZAGEom9aLd6tGbiXA7.Px3.dN8Lle4uwRaTjHkNUfQ2RCqIGEJgyXbQwcHNFV2dsr0FM1cChhFUKSZWt6XMLkXxrbnBKQ4Brff3cxflb7pzZutZ50RtBhv3FVuKesiCSRuXeuJPsS2VD9M0DXb5bilSSM4gDx8ftEOE5MXcj4b9_EiniJsQ1mS71FMDsdpjEeUSUK5BfGeM4.PL6cjG0IVLYg_eoA5tQLP_B6DvVhsKWWzWfla2DoCbLAf0p22LRRugzbIlVVlpzpfduKjtil5gy.D1bmYPdFcuzU2ZU99xTP4m1HSiquZnpzzdfH9AZ12HHu9RnGxA4s04QG.5p6mycdrOgyMrXQDnLbKowndot5f5zXqLZQxoN7RSvuWuJcY3W07eX3m1sqtfPTHi5cfRFRSY7hbB_eMJvkgg7fenybSapZhdQBJs1E6Z8WIxAST4hw.02VRth6KpX8cvVtUApXjuW3Za_mojiFpAqhX5A2gVDPmAlxPxXLuQktvqHPbkBhK2nas1GrAb._3Mhz_0Y8P9ixnBsYYf2I_oz.LUvuhL..6xpf04pFDewUuo6U9_8u.fLcwjF44y3hzcluQpMQBzZWvBbkYXmdlPiwGavBxjc8ZWSKylu9ka5WSfsszWcCQX.kBfnl4arDHERwGuVb170O4CMjmDHKoZliYonQNSPOJWwsZ5fgzlSEObyVNYuZmU0HApkETa8P_WGQNXLPZxWiVL9gIOHcg0AB_7IkK5j1FaJtHnJiUe494kbXUWXC8vICl5MiXoVxzWiztl6LK4E.U0rfRygn9.3GqeFoFIzmDHkI7SC4clmQLp2z26VSnXCH89BL50yzV7Gw6E2maTjkbmxGt6vixpJSIKI8vIg9yWOX.yvGG674spUJ3GkAc9_vqHdpfM5V7lC9jab2c2C7sflseJ8qysziN3skHSmk66SjeNbJh.tLBpvOKOSn6y8.jjxRW.G1eiRObhZcrttixFsIzoyZCT5U7hT68uwGum5EkhjSF78PDJJx7GaHArlE9niGJI.t9g5NF0VJ_zwFNQ92kuRcZN78V8My08jNKacDDsafXUDBCSkXcWBao5j_AVdaBnaF.IgHmsNhUGmIirDPqgNwgAXMnRxMQaJ5AnYOStEg8YIrvvueocOmyEXSB1V2lUlZ_eVdeFTorR0T1VgrNGCgRInmzouzhz7gC.HmPg..Ew8gYGhnAD3dqy3IKbkRNwTo2lXeEb5zz5ym5PUBdqE18s1si4vFyViZbmdH6TMJfbNKl9EGd1afi9pjmO46ZufN0UYrrcQdI.QA82AAwIqID1JS65K7kKOvJi48bgQtc5733seVe0hcDL2fIKiBvFisbtThMcXJ_rH_dacR32uCWvOwa6Rl0ZN08ya36pO_VJy7eYxnwwQeeG4GUPUBE4VNTaR_pefHWd8EMfXOyNaq1I3K4TvZUc3p_Vtwc",mdrd: "7T_I5K2DT4XbQX92sWsyCmN7AIGO3aSzDMzGtmemjvE-1739196018-1.2.1.1-4UDjbU_l69DepTnFoimiRf55vzGIXXBHptJatAI4xyyNN24wThhIQKtG9IAkZ1LXgb6Vwc8mRG7z5deavHotjQMn.hk8PGCvMn4D.76zHEV7_Br4dDrS9Kx7VmYXW9u9NBKL10XdsnmtPX4xBMJCm__AHQiTrWZc.2NYuF6173lL6XSgoGJYKLW7NZC_FxwTx5ud.hJ5kqY7ZDHHe7TkeK9lY8MWSHlvDBMkBVkfBjEc7NtV4Yjys_WV2qNFH1sp1wOzlXgCjEnpneQyHxT__o49RRgoECUqYY69p.DE_pTsvnCr89IhreYAkRddzALoAZAkMonrlqSqmHGeCvWKJIFaBvb4s1BtE3413AzR.vvzTctTllRbEpBDrUM1dNBjJevToZLoslxtKTBFcwVu.vbLYYxaphnBBbu1vJPIjXeF6OGMb6EZHKpaFOA5PgxCv5AzMxoDhOdmK5sluj1hYz38w58oKSYIBUNupEszttwzM7prlj883O7FeFf9O1o4G9zi_MnaXTutuCu_yhUrrpIQkL_jZkYYiQ.nAkJTuNxX1FwhMKbUTTfvpJVyZiPInLlgbDftGbOS_zWRrxQhnAKVGleBTizHrDeelX1HLFSu94n9Tz63x1br2uFX_PF8pOOszNVlNz6toZ.qZdU.0LHfhoEm0LQbMOuxrKf2OqObTsrPQlS7XIyXCqZHMxR5BvbsFfC3t..g.thU6jS2eeN6tbpUcD8tBjc1Vmz0YiLiQn.OipBXO8ayb1.l8r7EFL2nHH.bgf9.CtICdBMxUMCyDzyt4jMMyiAwpeU5PeNf74SBsxJRe9vl4VdKfT3ieac.8vt0rlbMbLU5Pp51tNRvZvgUBQ4rSq7lucpYtdBlBayM_tfNEf3kdLG_.oW.Nts4YvUCtMu3O8.d18fvz8w_I4w3L1TeBgk6piJgkc63H1fdqaEeuU7ysqLAnaJE.0aGwKSk_OAMcUYmcjQ3HRkwl9MTUjnIus0gxSy1X0ICrnnJMR0j._NDythMIp7AjoR5wEg7nw7VG.CM_B37InF5bYQsVBYcmlD6QoMDfdIx2xIX6023YeQiAw5EvkYKy5S1z0nQpuJ9UJqQG3JUY3_fbhLiaUtlSjQ4.l7jxHcGNivvZnEYwiZhJvTgxdByr.uChwRDFJXfsMq2NRnJlLsdPLgHwjRVgcvaQkq2I9OL1.CVtIPJa2p2.YoGfP3WW87JX266X781A0fwyv3mzV8bmRS2D.xtSZ_J59UkXYPUhX7CFJYltldYlaL7Cs6g.MvhmInvHTdkVKI8STcjZUqmTRUQbo2BUVtIere6rUszVEh4pcjJIV5FcY241dCLpJDzn_Lx9B1qUMAX1aNX1Nm8aj263AWACrcdkVpfFIkVZa4Gwa9_8z7OuIXeLA0GOYCp_DQLQld1pH.JCmWsxV4qChMap.FW5C8uihG79tGUvXoqTLd4ZFToeJhrMXUN7rddm7NzAOjQwLsKUCVqoRqak2ihEV5iapYo4CI7PDXjrr8rYFaPARAYCTP_oEZFXbbL4arrTf2GVe42XDilBvUPj3Z8Qk6jRk_QQoY4lbMGjVNcb7_xKQCW.ychJOHiaH_4jmZk.QVcHiQHBO5D1J7YTn_zfDI16Y_NxZ.Dy2HXmhyeufVPiI3o32bs4hnAv9ZQywxphT8hWI8AFoTHCciq4n6USS1R.2zG2IymF4KywBirn84DwmuyGknEZT4GFqjqixua3I_wXCndCzYYyJaPsOUcSvt4AEko4ReTmiHrygFRo5ygn9ZaxcwbaPDlxQLrmIm4FqPRiXcwT4BkbZyZp6r9Dg8zauFvVMJMQNc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fc9fe8faf21735';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\/6291573840?__cf_chl_rt_tk=mCDQCT.dzEA5FCR_G.lfmxVQVGQx9NW3oLMlfGVTJlc-1739196018-1.0.1.1-AY0sA1PRUp6SQpCo6dJ7XY0it9uEcLdaV5CVOh5dq_s" + 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