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-affa5o945.mit-edu.top/post/8059146723

  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-affa5o945.mit-edu.top",cType: 'managed',cRay: '90fae8befb823b7d',cH: 'xfG.CNmxCQFhUMFaHxcWaJIErIVEG2GK3MEE3fUD5tc-1739178029-1.2.1.1-EE4mF_bP.Ys1MbZJlX3o6Vx9Dm9hY0wo.JaHw1uZz7mce5r26T.sFYcaOCU05rR9',cUPMDTk: "\/post\/8059146723?__cf_chl_tk=7Cq5ziSRiOalEkwK1ZdHSicUVjOXBHOpxIqc9ZOcKl0-1739178029-1.0.1.1-z4WO8fCqCMJBTgeHKHr9vdhheETSuG9Ba_OJZ_.k7zc",cFPWv: 'g',cITimeS: '1739178029',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8059146723?__cf_chl_f_tk=7Cq5ziSRiOalEkwK1ZdHSicUVjOXBHOpxIqc9ZOcKl0-1739178029-1.0.1.1-z4WO8fCqCMJBTgeHKHr9vdhheETSuG9Ba_OJZ_.k7zc",md: "mU9YCrjpy9_HqImSV1QI133T3uH8c4R36C_NrIaXUfY-1739178029-1.2.1.1-digp5EdSS3JMeIO3LrLM2sS9DzJZF5C.7zr3xgprentEq2Owky1SV98QJ5BRTiRhJV3U0Mk5FLkEzEqVxlHnsAbJEm8ulF9sCwCJKD3jk_Rx3cG7uyk65IU0HOclTgGn57aK092BKDw829_9H9XVQR.ibzfjZIoncaOm8sNo5h_Ar218Q5SL5TLqO9wP1MIjPOA7kNb9hvJSAamuN6ic4pHdWjZCT.9eeGntmV1XixrzFVuFGE90an.EFTfwXsOvhejpW7WUMWuohDq4uZTxXzQeDWODtfrox8g0FyM84sXZcnD.QXDb2.PDENJhB_R_w4YPQ1.Q6vtaI5Jz3DDF2ShzrbvYXdjeW.T9PzahfHSx.7sXpVXgJiaQZoqqeeVjcKN4mrKXRFd.9.GUTMaeBcuqubG1Jedv3TfwfUtOvkeUql60Ems9HsRu1EGc0hW4l5DpZtuQN8pSWVh2q7ERQYWTpwiZOzj1mDhf9ppNe0p8q.gJSKzF9.gyZLDECDZ_dmk9NMSuLeIdUNnMkVHJoGJc9LppUqk_ai2zIllMoGGDC6CBTqD2Dc08aLEIcVcAXfMT3IjsLtany6d7MvBkbyWaGa9J8V39Cm.rRphyCu4Y5ON9FuoFbS2uQxDgzbSkCokJZcsA9Hg5QaG26WGHT3NWKhRIbjVLCpK_IXvHN8DegkO9.yWwtKCUEp_KB1Crq.DiUkAgdaoqIqbG7Hpy6IxP1RAyo4QNghgjT76odp.L6HPNS2hvGFXjiUQiG7RQQ_ziT7.DKsmEGr43K9Fx9CYz1rmxzKg2awYu9hx5fm0fSY64MFPjftm.N4RmtCSmwkGfAyq0b4qlnN5cLahcFGust3P.Jh.I1r3Vq7xmLGe8.a.3otJfvTxaOVAGURTXwJQkB.lrRpYw9wS7T.J6ycBFf.x456jqNarowrZf9piSvg4E4BZRbNICbb.H.4WxMB.56rJjLPVXegGg8OyZaOKWNPUcj.aETXCJPWH3lxbLgYroJxCCX4pmbgwfauMmnUmgMiZheDk7pWoaOT4fMDt50Tm1d2FM60UZlAFHfusTLUuku4LEk6xG4aXVfQbHRDw8pn.uQictD6B2MqrpOCVW674jYacK4oHj5TLlJPBCw0OzorvUuRftEKxQ4YJVbNYYl70lCJSxN5QJ3VyzI4paAgyuiFuPsFSZgXCaCa.A09ATrBqjhOkDP7WuQjRsdiczCMGyevGTwMe3Jm8bv7pGF_.XrziESjSdD0aUN_N3cT94YdSPZcwzDOzembxSf37WV9Hxc2zTtJnRYDY5qmoaR9IWY8EyJKawp2Z.CK2aqLVTtWqmTSHW2wRwnydhgbs6IvTpps4hEU4NemgTq6yvbBsJjtlC3Szu7amPBTAhpZ5gAYw98Pzwr3Cnc6iAAZHqBjuybIfmCjN_.SYw0soG8rCrDYplHithHnQgRv8ZfAwVKWdRIytoQDGZUD6SlqPHxwsAuyCiDi7hz2FEltyMclpPBR1hfbjvi2fKanG7zheM5SnittPHJ4HkbOJOmbLr7k4nCQT564vFslpr7BvhH5o02y8CpOzv0fThPD1MgY2WFopXKldvmSyLitYhBE4g88BciVl.lsWk9pAi8NwEPhDOwiOWdzQpFgshFvzf0dj4lFU49BP5wMGsoC8cbUdROQvvlBhp_cDyQHzfjcO4xCz8Cd8ppyuOhCbG8vmmeRjFuKhFwFzpkYLKFXTRFEnsO1INXwUZN.Jna3a.9vcfYxHx1YD_nh3348ERluktI0oZFuTHnEtpPavbz5b2tZtXCiADtEMv_nSdr54riI2fAALaOkDeJpYkfNxxUtPZIuFBCwR3Ux.hERY.9vvgLseaqdK0sE51F2Vpt78irzKz0BeqRIPdreOm3vNtmtscrdPCFSpx7SsVVkIh6.nUcj2hhwHFU1hMs7D3E8mwy3OCVS7nT90fdF4B8NiGPaldiOTw2Qt3KA3QgKIYwvAUg5OfB8FfmNDrExbKcBA695Eg6QpsnHemgD1JosYPal5FPbt.tlKXc7uqf_0CS_2_h7Q8UbTdvtcHuxbX88qqaWnrxw4TqPsghUc1gjgKBM1RNq9GzbA.ozpXC_Jxxc3dyCacL5g1.YpRhw0OamorsnMBjTJiDDzBo5HbJazjA0OSTb06cvXkLr0KRLZp623vBee48pe1Gxd0NFvBcf1NLoTWt0THpwMa.FUWjeaI2LGFRYRZuXYBxlQcjFQQBMC.",mdrd: "gjZFSQc7w8bAUOJJ5Vzi_rHsr4ObsNuyNAuS8zcZdjA-1739178029-1.2.1.1-kn3Hqg.xLJinENoig9UgGBtujIDgH055GLA4JeHhA9zhR3J1Y0jJeAz09Tmj5mcrauziPfoddknHGlo.YymxS24NZB9TYvoZ63hT1DcrFTg_FAQ.J82Un9zL8qg5ET3fOc8OFfkBz5mqDrESWPW5AH0ZNNUbxQKvXNzv5wrwNmSChBY5xGKa9rPE9l1Y3HiKQd.X23PN3RVz7JTAwxR6tVWvQms3XatkG5fALqvXMIPEwl7E6bfm9gwFckIGHwUhuIoD_KGM0xVcO5T43bjIU4skb2fAos.ARARbl2nkwqsnihdQ4jHx3rne2t6wgfgNliYor41yT1bV.kAV26qelyjgm1w16RKcZmYx8qj2bSnxnf_UWryIUb10O.GQ.Q6DnvfV7WYuxG4mMR7.wSQjuqGW0NjDE8qPu9HA9YIJRap5SX7cfn.RxdqFVPeZUB_tXHgFABezTYNUkI1a9lEt.nPWXiabrbDX0Er007_XJ0xi.HASryo_6tYBtyl8IrcZ54A3QYb_Oa0TG8pa6t.wJdNDBEJ8wOOWbbGKAj5dMNjA3.y5L__2V5WQQ3EmMKCF9FuE.Nji44N1DFZRK3WerB_Z.dw8kOeX0nWqdh.N5gazv_2_.Q8x5exUsgNqNICGlo4ung3fDmYFXr7.RN_R0VE2jbjfdXUI2sEg3ZqEinI3Pl9WdlbW5Bbrxq9.MzRq4hJUBQndbVufBbaHM6WQ0ZB7TD3Lh9wp623WorHyRqEtQ9TXTiK6J5lCDOLHKMvPeqEzT4Nhbs4xZLiOWtapMc6aBGwstT3RrEd60EBgbOiOIKdrnDY1U_DnWf0u_.4Yafl4X6ilvTdvo_ZTUsaSZevHng37ahFx1Wtr6NyU2o_fhrHvAS4Z7LGDaVuUhcO7xhWfo7GDKGn2AS408UgRRGiGSW8rMQ30065hg9YWoIfqd9h05VuaMQMpl4inOPvnq7aDrmLksKJ0AH_PP7r07N2R6AXWqIZzPigHyM6u_qaUQOozcuQHVZ4BQRcVMZRLw9.5sQcktvoaCQTAQySDUzOKzIbdkfiQrHsdPKLOWfW.ggYDKPxpAXS7z5DS_qL8JPU5_YZRE._7nOT7sO3bt.H.o2_7A7pa6R.E8RHbIErlg7WHBaxbZM5gqHjXWzfPdnP6JGtX9dkPeMPOKObnsBQBXDS9jS_VpZf70RT6iOVx40hdx5UcZdD5xGhSpxXWf25EIVpSSNzo90R6Afba2TYSyEvlvS3.enwwB4_RTGEqJkNWYbSvneHm94DRNmOMa.8COH52S9a7zBl6JLFs5coA1qLDlzsGVXXPUBfeNCfCuuJV_hV2sMftCpfD4FQYLN84rOJ_oi7_ANZTPGv_UIt1A0Pgpzv5goTmsVfFLmxVb8hNXzpS7HvGZB.ME2whmkq3FlUVSIa2QpBRBa60bbiojt7wY0SUl3zKUNuF_UbZNc2vNH21TrVEYCACbxEk3Q1UpVUgQeGCi3vH19LGlwppdrnzvo0LxBAjicZwmX1JgqDc8.LvQxyhuobQ9jcIGTtk_bksWuxgZVBGQxKpWGuF6krRpX1M9WAYt85TjesYCht8A82ybbvjbKezTz6u64v_kMhaaej1w4.taetYDl.SKApRDChfP.57TQKmaQl.789LXyrDMqX6anxJM6SuPM8ENEMXQZeitsr8XEqqPOF2bsOZ2apbJF1fo.ksausFddznEmOyG_wZSXJ1kzQy8XYbvmEwuqF4LWE3gZbv6dRgpWmfMn.ZhjNf7NKVrKxAe4b12R22SeSEHNQDztKZGrbrUJQQ3RNGVMdK.5r1lw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fae8befb823b7d';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\/8059146723?__cf_chl_rt_tk=7Cq5ziSRiOalEkwK1ZdHSicUVjOXBHOpxIqc9ZOcKl0-1739178029-1.0.1.1-z4WO8fCqCMJBTgeHKHr9vdhheETSuG9Ba_OJZ_.k7zc" + 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