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-029661562015.mit-edu.top/post/4180752936

  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-029661562015.mit-edu.top",cType: 'managed',cRay: '91104dda5eebc5a6',cH: 'oXXv9VVzUtBIbpRhFDYR7SxtH_.5Kw9lH2J.VjMr1TM-1739402372-1.2.1.1-9_kSDT_M8aBjdaQys2KwLk0b3kIMxz50jvCPg1BOHmVsLdfa0c9XW_GmlYVmXOOL',cUPMDTk: "\/post\/4180752936?__cf_chl_tk=_uhs0M5sbz2tTd2jQZiCM9re79O_Q6e9qPr1bpEYFn8-1739402372-1.0.1.1-qRGLG6Hqih.yAM7SaJwtTYLyK_rLEYtYmn_vFRlKbjU",cFPWv: 'b',cITimeS: '1739402372',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4180752936?__cf_chl_f_tk=_uhs0M5sbz2tTd2jQZiCM9re79O_Q6e9qPr1bpEYFn8-1739402372-1.0.1.1-qRGLG6Hqih.yAM7SaJwtTYLyK_rLEYtYmn_vFRlKbjU",md: "nTz9yMgS7Nk33WQSvy5LIGqhQgeZLyNwCDb1O0_hsF0-1739402372-1.2.1.1-86_4eolAE4O0yH0Fg3I_UWUKkM1kS3rtVf2rsRoahGT8DwO_3RGF3REAtxndeKQzHhpzWXH_SRWBtudNADXiyFHCJ2eL7QkEVuqk7i7814Wmwvt9AT7.S5.vgd1cJ620A4MYRGc34.q113hNE.GHtBfPeOVrFK3zq6xrkQ4a7x8PtlmAeYVH1CnlPhlDpLcHZlqcfB62iWx04Zeezm2cR.4XIUyG2fyBYHll25NN5qIpIoE8pci_JGmr39YLTOagG0FhdLdu7x_4j.tMfnKNjtNLCamxBaNp4VOkCuWYjGYG0kRw0dqXMxEflGb4h1Bt4CKk0IqbVKevQvcH_5dI8g3dPIuKWKvVQ6a1NHfGMmTivaXgS6skkZJjYTvNgOUY0ashmdj.DP_xHTXZAzQoyDz1rzseU1MUiJMt8xxEKtl3O3cS_LJ10ATaMGz208zvrImMTPWsfO.AM34wQ1wl3bwqF2zdpI9hEuG8Q9mrSJaGzlCSJVmafVI31h1.AiCznd8eFvpV4RLAPfIR0GEf8O2zcCn_lFU94E7qn_IsFM2q_uCQdFEXRZk2Do9p6ouQVEdpjktu_FMWlceloO4PMTUltz4Cg2SruCwP.GGFlRpJ60edgobo2.LCh1WjhKBovjgESW8gh8slw4NTs65LZSU9KufuvWH70Lo55RWGVSkFMNWUzyYB5JwQod47CxRA1zKMjwlE5GyY2SKsaOWes36GThmcM_FDY0uJd3M0WgJyHyGCsZlN9ijWIuSzLFxNtZd3W5l_RYG4siNefw3LbwDXjY2J6Si1frj_L0mwaAoxtLHuhUF.NcBwLBrr9ByziJiN8YNsKfT1pAsFQefK9JBjfE1.EYIKDfaRwHt24rsGLFr4XQOGsc7ipwH5DIhMs.qZcMr5r50f9IChMo6nZ3Ui0EMozgQDZMV0bl3U37aZx3Q1pwjzyl18BwAK2etoTvSyIF1gkvWZNgOvXUtByu.96t3IhnQDu6oacFEHwt4Uv59S8lhj7uNvvM6CClJz6fbmNST2LTBrB_OWH70Uzbo6OY6A7xwzo72I37u6PdgkqzIhfdsy13TG33tkFFp12BZstFg4ScP1foEWVILs3Wjj7_frtnqbC0.WKtREiTY.La46ZXyXvCpweu72xgR452L1J839BXcAEjTP5sKPinOzyxFsTM1Xwm9HVKM8SA6aYTtJoRDIVufW3xN1Rc9AXixKX88ls5QcvpOHgB6Nght1DmNeoxxaFTHqhe0mHnfGToQxMUb2xmyGIMK77T76h55U0P04Q_Y503chDrpq7TYa64dRGOfQhIOzwuycjJ39eQwq7rDX73RUWmNke1qAVOJ.k9FUFG7KXuqgBNqGeHsyOJv9E9EPGLgbE0_wl4y650hveofmr8SPeOkagEe8SPhT9f3EaPQZP2aV8TqtuzMxw6KeQqEdYMdSZKBsrw_9jVFm13vmJvqAQIA8rh6Mkcu5LByU2HrRXa9k212DRzBAXgjLlNFmM4Wc_ozRhtBK8CXXc0hQzq3eeErYRgW.GBXErCrOgy6XaU4DNT.ChCDEMsOUDNeIxAiyQQjx1IyDWPiMrcu5x6aDVlPiFXPLwBeMLLGm5wZ071dtX2.eSYq.Xifg_JR7KNLh_.9ddmTZ5RFr1S.GyRkNojScQsZHdjqrtJzYqgVH71xAp_5ke3dVaWkgl00jBf6jt.t4R_feLdB2xFcLechDezSTPz7MrqiZkq4.PD_rLiQ4olFCcE4._RYPK0O2IsRTcNEtvcYfoCz_7wgKDsL1k4.Izk.j7_9CtrhEBFDO5tx8ByVArhAB_fPOU9jV9kz_rqXyP5ZUtwNrPlPrqQjMlrxUU043yH.t_KrOOlNVaYJ_NATai96.VCuiYgkV47QLW1S6GUzFjOA29kg5vfBw4EWJ8ZJuk_KPXBi4hGbrMoWqu8LcG9aVCv0fmMxv1n_3SFYBiCpzbyAmz5_GD5NIAjngfbtUnep1aKJQBXyhfz3r7VYdAvglDKn9Sz_Qi7FEvasuXvp1AC47n5FqgiG28iWOq92WdIK9Xc73F37GnzbKmLJot_lsyNqVSjE7ZowX_6z4m3ufedYf4Lj5XRq5pow4.ZA.YIAov8RemgFEwCE2M1d1nPX4Kbofh4J9AZ._Jfk_85gUJSU1wdFyCnuIghefwwNOvEy.qIql1jM82zeyNINvz7yU_eSLnvHp_NuGzSWl1WG_gA5BZncr33kX9.xbpBMr",mdrd: "E0pUVpMkwNcp6x0Mz9FX0_iYtZDsYw6_PKXvxpDdooA-1739402372-1.2.1.1-gIrdeE9TZzBcJaLqc1oRlk31nBJ200MBZ1Rm9xXDHVSQsFIxjIlO9Crsa0aEyf10ypYw5lmH1TDNvnHvbqt2HJfRrXj7TEV.kKvUNV5EJwjp5dzpGmWh0rrlFwJ3FqRIEiRv7OnH32CnIUXAdDCAoDYMO1HWbZ3lRweHfW.CPVQq5OfH72GKThDrmdTqitoiwiTkf.gQh.XLqTRa9v0AsIBNSdl_riWuQ7v3_PVN36qa4_M9pjb3wBMYNrAzub04MGU.r9muYzeGxaYOz7.bpQE6ZsS3ElBXd.u6YbDFaJ7nyuPNVSAK0aODMCHGbXtNYbEBou1Uq.a8pVEQaDzp1hbGLQNnrJ_vPThkqNXrNA3gPlRC.sS8_y0hd6lH5nIpODeAbD72dHvJY49FhjBI1_t6AbM_Us.pKgll0XczlynPLLFikCSeXfwcuE0ExrdF7XHHWRWpQHjkLQ.2WIjSQnytLWrOVonIp4Z7GqeIrbH.v4RBGOO1v4AulBH19ObDvyfFW4Cetos.4AXcbmG3Sjsc_19X.tltbWa6yrx3g0plCxOBfle.aROdWBfjWv3uoUDRc51zZi5VaaDTAqQ.NkvpV1GmC3fKQob6KXiJTYhbx0t1nqVZgspTKiwV2OFY0LXg1S53AWkGnKnk.CKFDbh09Nr0dHmLbs0d1Kp4ZYUO3YdG8Xxlgt6MU8yDdLU0bwifqEqbvRpoiTICu578JP6J378jQxYeJTY00DMTA6ly7Nnw8hGfxoZisQJQ1Y0oZLZYyeHlMKlJbpipqo5GH75vREP9S2mbANoCklaLBoE15.RA9764S_hdDc5.IXcuS3SQ_ycNuP6WvMCDL8lzNWnYiccRT9Kql1DhgnKBKLhEM1.ALWhAzF.KUZ8cHYbA0C4PyZQfx4oZ25t0zZttT9UOfOFerDD72jKlUTgz8WDGhEZ62N_wWx0WYLlW.h69ZylMxoHyuWrMiK.NPhr6PBYeh1a1ce5YYACFzz38qZ4X3FqEbA1kApT7_MTA_oE5de8uBxTrqRHSiWSG_T3efGHo9dFF1c6SUWaH4gLrKEFIKc.LClUrmBT1GEHsaLKM6yafwbhWhL5kGkq6GrYGtRQ9wlEi1XbEzDss8.QzemrLWFiMLWU9PIzZ.CiGgFpiqJh7YkpLqcB1XTLuPKsC_M4h.Fy6oVEl2v0DbdhG3wdjBHMMWfUBtbLeFRzc1p0tK3nAAxASsCk9UTPXfO_5__qm4OtNQEnwohUdXxkHhUxMKz3QrLY_ZQCGdpxV6yDplirof_OeG14ogpWN054pvG5E_.kNIe8gREku8C.2rTed4FKemYg8E_iPwkQYTLZBQRS6yghuBh96WPfBQiTcYhoKQia1iMyWcw8PBYfpvTA1dDxGmn2Nr2XMuKNF.w6m6_YKBO0_xKO7uG3v50GhLPO5nPQFNsyub1qaHrtO1vemwCbk3ym3tyXGyZzf_MNq9dEGIcIporaIPPhaU.LYIRCaD7uP0RHo_q7_iHC4S1q8bYzF1nFHnuUqrK.ETuu7AE_gEJCslCKBGoic5ohuYGX.yC2j5XmPVhoWG5EtXIBxHTn959xcjJqAhSIH6db8hTDk2RMXTrijoMGSEj2cGXS6nl5KnOfJx4hqIfEfHaJhOaawCjAPvvm1Kk0rIzkn8ekjAyoi05hn5afrgwQRbqWPHpjEPXrTqTTlW3Kv.UIUlaA.UG7aJ7Ev7N6x8wHY_NBI2TPR2jTwNLeG3CERc4hfZH44M77sEPFOrBFBJXMt9rEmzItiIYtvbpre39QRR.X9XqUKwq73sUfsEE5ZTHu0LPQg8q770k.Z8.dfH30"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104dda5eebc5a6';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\/4180752936?__cf_chl_rt_tk=_uhs0M5sbz2tTd2jQZiCM9re79O_Q6e9qPr1bpEYFn8-1739402372-1.0.1.1-qRGLG6Hqih.yAM7SaJwtTYLyK_rLEYtYmn_vFRlKbjU" + 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