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-719661525860.mit-edu.top/post/4089657231

  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-719661525860.mit-edu.top",cType: 'managed',cRay: '90f2f1c93eda1767',cH: 'ZqpmZLtmebt0TiT0zYHeI6MX5UduECtHwVHF6wjxV1M-1739094514-1.2.1.1-GBt49.w6kfv0auFGvNz4XP0bsLUkEg88zD1PUTknM4ObL2Rodwe44H7KhfeiYrsC',cUPMDTk: "\/post\/4089657231?__cf_chl_tk=zKsL191QvtYVwvHfeobs1.egIHWPzsFXukbV6VE7OJ8-1739094514-1.0.1.1-eRpTOw35C1GG2w0tVQj49I9FnKywu9B_yQLldzwJRPg",cFPWv: 'g',cITimeS: '1739094514',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4089657231?__cf_chl_f_tk=zKsL191QvtYVwvHfeobs1.egIHWPzsFXukbV6VE7OJ8-1739094514-1.0.1.1-eRpTOw35C1GG2w0tVQj49I9FnKywu9B_yQLldzwJRPg",md: "iu52Oo7AZXO8YvlMkoqwv1UqzZx1J30_sonr5NpDzfU-1739094514-1.2.1.1-DjFQSmH4.m45k9cqC_PwDtyecI.Kgd1jq0._m2iy4pUaReTSYg5YqQvPGTnLWa7SpJotjtU2fNIkB1cGoBEnAuRgZVueGks7.SYokGAP3_kw4Hs3pDXf77xc5RIQ7Zp9qDapUTJ9.RXmSvgVGTwyTCDjDdgDGOI1ipc2P9vbzukq_2plJAW.nSsG83D5r_SlDwgm5E2MfhskpMuSupvqpdyyX4jfH5RF45EsF9YgPU.GwWlbhtSKxX3ooO.XS3NyZfpH5tJTVZKIFwEsR7KIDXBAfSYGVlvY8GjhyBmM7JL2t7SRgUtCt79ywuyvkyHbzsHhSIlzRvdAtEHpAiQXszQpjIk5azDBc8t4mj8NdAk.s5RABMLieAh4sCbeOsVacnVAUh0JqdTKXzRbPmHrTb8kqYOytqX7ACa91qS9vt8FAOr1IXhi_QmaIC2.vngNdpL_Yq7fh_b0KYugQLDoZ8Aut14yIS8zTNWbeHmIlZ0xgNXpQC1YGM8TF6Qqy3BSMPnNFosEQ_5OyP.htZIIVyPUn0oqGa1hZiR1woCrYtJHURHp8kC6YrZDJaw5hqz0E1HuWIgKI0wNlqqnACS4CrFpID4g0GOBpNmqQ0QlOl9MKF0Pzw8y5etiIlNkUSPehaJ_DNBw_.9_utoMA_ysiV1j0335PJPveNFM6MZ9HQ7Ar1Cuq2SOn7DMuhBO5L89VSGeDx4eoBD6Yhj3qfECZKWCTdcEs2o9p8DLSqThVQGveo72Kp9Ce6aqGIstXYiu8SAOaMKFY6Fj6PWtTncp0o3ES_Dw7lzkiupeG9wnMQWqKXizHTVccrojtTM75Tcd0f4i6UdnwK8VOEdLQbIIVwWwH3Ykom5vMdv2T_A1jXUJ6GK_1AMq2CRR3HWkqI3Wbc9DkPpioxFLZ5.4ZdKauY6hoHLjQAX4_o5n0G2uSEmgymIHMyQA5biIYTm7JWSadQhiTewfWeVgoUIB0Jrr4RM.GZb623K1v4XfWeFyVLsVlUGMo3lWcEyxRA1pED.dzEoZcGpqHed0JGFib33kHOY0oymHEwp7HO68ZXP9aDp0imtp_pJCkTu87bUrm9FysHsNoZzvwfigVkydb4sad3PT0hhYv52T80B_Mm1CbMTSV3mPucrZRDPoIuKMaZZV9G5BsZYMBWSPtSbV3580DyqvT_nbTTtyWavPIFaTEwdCqBEDsflHJ.Wcu4rvVQoxtnYpNgKTppeEGUvZ65m3KDw5W7j3FkrbN49lHLpl3mDS86i3BKqPmp0OEHOMpbc4z37rvmhrbQL2N3LYCGnWvU7CJG.2k2B0qIiA5fgQhYCEbdTDSvgyo_4FNba6_ahnc1jvXJrYT_2u9l2daZpXB8SvVycBEOh0zd.toP5Xu3upRxaty8XEcjfkB51QlC8qZpjVCxnms_V9KXumxYwGA4wK_6HrxoYpng0LTqV7PhVwMd47Tot1uRTq_78FHgreAwY2jdRD0v7G_LAtm0HzNLA11KgYyD7arO3EdnDTDTZS6EiBhC4rp.d3Hvj9K57LKyVvL1mBwgbCnZvLhliToVPCfas.HhvJFMGOPn3gdj5bVOvazXPodPRFl0GJCzgLGcaX7AgB4dl_Pd0D4mLC6joSTJUIirmEPlw1mP8aSmqSSImxbP.Wl5k9eP3fvwwfu.ho85oU3x_Sjhm5SHtpe4AVEA9YUqsOlASonccwtpXLMAJpz50GvG_fCyAriKDFKrAAvT6rekY39V2DH8c4nZ1kVGKUPPDXGMjyK.I9FbC5Xu89pnKRKb7qohLBNqr2btWcoCxX4._D7wsI1V0QM43lGLrJEMH8Zk9EXZ0tjprFeFpmAo1OGAokNCc4XQq53orsVjg_kPKsEk.BMoq05o9mrZrppxVqrvEJTsy6vhwIsJXZJdb_MgzRttI5zqIiTsoUf4BFx35AFl7pmtmihsYYbL_6Q1pZNytGeAzyw8FqS3ngiiEqwilvqiTZTI.lzinyU_9Cx3gEE9xyHaLW.6ZM_Zd8PhL3rf.z5W.eeXgsuA9TT0t1c4qG.wnww_5rxf3TGLNW2adOKujn9tmrfAC0Cv3MDZ_XdQ_gkMvZdPNj5VpZCbArSt0LsQozEel17YfyHlvGWuViqPQbiRnK.Gl8CKTOfcAOxHaBQJN2BOfyRZRW.2bbql5cPuSiEugcZ8w1bAKCakfR18tSliD7bEHX4kdrTlYH7XtYoiZOf9wS_uWNlBMuFQJc0XDxBrld",mdrd: "1nhGUCjB0ix9r1wnNXpf9LjaHzdEINburipRcA4xGco-1739094514-1.2.1.1-tyNTSEvmduYoslQbf3R_vuxfyLDEKyGh5FgBo_IQqUF39a_6_Ff7sQFsbSph.wojMdiwQi4iuDZZqmHX08gv9FpJES6Wt0qMv_cy9j8.bxA.BEiWxto9q.6xxRKEeVZtn52z26_BAoHABITM.mdbOVC1cA9Nt43wO5z5UCKnQwCldwDqTDd9XsShG5llrIjRmIz0ODogFOajcGw2YWR.VHOmJRrKqU7t7Np.q1lwBZXWwHfU6XfMrcV9A8y9FzG15ZFr4ACIpRFm246h9gJPcZLmcQuEHVqwSgChAC8F5DCrhUqGMJDRKiISkpVjhYYuPUQ574tBxemVVoqQv3043PLFg8Y5oqxcPZhmXj0FiKFIQcLCkfqy1K2ScaAZhPbNXJRp1OHklNTYxMBIHGHjs1zmOmbn5G59sL9zfOitUZXVujy1.1KpfnXe4Ki4EOCLQ.3i8U_q1rvYLTmEQtkd4u6hYSOlO2Y0Xi9zHLrihJi_rJZpb8eQt7usqaPBKgAgZvTKP2nZBEr5UcCgjf6aU7Uw9Z7LQaonODggt4_PbHP_n37e0kLTSQfkvOSsFjb2s6zyxuCpAV88Z4sOMAeNbM5bolcoOv1pGuHkzaMw0EPPQLFOm31u_Lc8X00AxoSPKa8swW3icSCrZeQEsfJo3TbLyttqal3PKb.tzZKFM5P1O.pEdAYGcLDSRyEUwj3aXRmI7CmbMxWxWDQgeg1ejL1T7RGV7_2itv4099jh11V5G6OcqhR3RSEv.hMVyEKZgDkvc7_pD7TbcKSS3XGXfQBiB1ucV3cQvoU9L3K.henGt1dC2jI_tg7yH0eKTwvrHKHBZ9UjwPyYidSx2w8dZxguxAHsy6ILe2jsns8ruRXN7IcqLHAtS7Ef2rL6QFsAd8hXq7bicF6F22MFxZoyDDHAN7hS78q5YrUaCgro4eVV5zla9BZmrey0lzCTzlh6y7GrvNNGK8J6YqoxTYPBRWp.YjkeGy2LWm.sP55qZDuyOWnZNipCV9X3_aNfdix2XzASGS.1a9zoqvKxGUjtmTB6aWAqS64bB1zNBPqPt5ejM5MbjpEx1NJ2ZpDzorSrM3z1zQ3ih19CAa_yj9SoYjoZOeMouSq4mWhmOtfzNXxCvLUHaJeAGg2b06q5LMfKIZWvtKlRxsLjTQbkB28JnbagDDgFNH7BPUE080ziZ4l8ElVWmhiKto8hlhgH_Kx5P1NkBDtpfzut9bA7FQwn0pkmTdtPSEP5OZs2lR31wMtcf8AdgR8lh7G1.UbmvVMer.e3UHci5cgTk6BrSkb7_nK5HPGmDxX5d79aftNB05mWOMnsNCOyBf.QYSQ5dTAr649LZRo_LVF.f2qPb37.h7EZ5R1nlPErU.MuPQOIpm2dxB7vZOicxnyEfrw7Sv5beY1mRJ2uuXe328k1T.pnh765IZgk5YTya1o3gqGw2kVrtP.SnlJu8Krug.IRRjQ64f0NOVSsofeyTqooDZMxbqgO3DIHueDm3hTev45hir7aHS8KqPTp92z64ObHvrVVmylwYuD7xPRbjNw2uUumwaaZAklrbB9Uqx5hOvjnb4sgMBrdo0vc62rfsR6WqjStTuYGi5BPOQXgvhIFOBlFRWB0OL8vzD2GAArIlTVSDZQVX9WtgbKrepcZSwjYWDBzLLkgceoaySw0aJ1kgqAcvOS55hrJAgllFj8piAU49By_lqUjp75Iiu.5IUav.0gRTXqNCUvOMT8rcbet55icC0IxKIBxDQxnA0Tuhs.B0DOg6FZYSaVSRNuUpmPYdcUbGI9kFgj.wHZmGVIJ65tiFbGGaV9quOndZaMJ9l_w06g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2f1c93eda1767';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\/4089657231?__cf_chl_rt_tk=zKsL191QvtYVwvHfeobs1.egIHWPzsFXukbV6VE7OJ8-1739094514-1.0.1.1-eRpTOw35C1GG2w0tVQj49I9FnKywu9B_yQLldzwJRPg" + 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