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-564770486630.mit-edu.top/post/1436207985

  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-564770486630.mit-edu.top",cType: 'managed',cRay: '90f3eff2fa4720c0',cH: 'i.DJrjD2eH3B6HVCmmZY3mHk082rnQyPMiZCfOhDx94-1739104924-1.2.1.1-mLBSx20rBtIxrAfH43TOsYh7b3VSNiVYx8Lk5H8sBkxHjfdfaiK6CBPsDGpbRRt8',cUPMDTk: "\/post\/1436207985?__cf_chl_tk=KfEbRFx1rGNhL.YV7PEA3OHJf5tfwcQQ5d1rZv8B5Gc-1739104924-1.0.1.1-HcDFrjTf3bIRRLBQfz90Lw5IZa4Q0ykyPJLQyj3BTQk",cFPWv: 'g',cITimeS: '1739104924',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1436207985?__cf_chl_f_tk=KfEbRFx1rGNhL.YV7PEA3OHJf5tfwcQQ5d1rZv8B5Gc-1739104924-1.0.1.1-HcDFrjTf3bIRRLBQfz90Lw5IZa4Q0ykyPJLQyj3BTQk",md: "ODDtdq8gXXLpe5ZdM3m.EId7ppKoWahoaRs5r4VoYtE-1739104924-1.2.1.1-0DxWuPe6_Vy8886sUULR224L8Vdsr384eARryhLE.q5LGbPZqgC9QwLq_y29OBAc.Agd_.IYQud1D51pg3XuJTc7dF3ndmzNmzE7EZ12LNwSmsfJK_xH7DnsP8zZCmC2nn7swf1DQWbg9hd7E4tbDaaySasCnhIkwai5RKUMTEcMB5Qdj1sx0QFO6g8bRLUboYljnhu4JYLKYZyQZ2jNYFgn7B47X2dhRS4pi_b1yFhXknnaighxCcY0dzv6vjMaVfB_V4ERW4H0zjLftckNJrVmNUYyUyHKt1Jp.mfaTrwK0JM8nv1aTGp3GsmstHSTcag6shmd2wY7fueEG1CXzQN0axQ7AHJMgNUdGpixzXO00xVlfjAJej__huRK4AM6wMycpg9cfNPnMjU9K0_YREYgTP.QLsora8tgtxd2Pi7HC3Rh_IeeL7aDs7_TIaO2dVD9YO3BkPlTY_t5UDzGOpfzNZfZobZr26zQtDYjwrTI.0SUBeIhF8epIC3p_7GifrjZYCp1K20UfdctZLsInL_rQeuqeLrAMEliHuymXDapDvnrASEdMxidP3Hsfo381XYQHFKd4u.HX5zPEoggc6Y_kui5OryJmTcRb4HnAkyPybUbjIQUJGo6GNSeBAT6LzIthhjuS5J6y9hwQonNlNY_obX8eh3z1jjlqCAtb1ZksPwAzO8QFGejaJFSZ5DvLCJWV8MZbKVW4_zCR5aA0p4YMhKTm5r9JWTUC3RMQ5m8.KJvh_awgn3MzCThm51Q.Ka2pF9hyGSRjlsav1XjYkJC8fv7b928o6HihjIyeZjc5D_f_qX9uPsBGmVMzbdt.vyuNB4jTOT7KXvqTxj8LXQ6IS2iPSyJD1NiT4egPCpnukUFdwifwpsQ.1TaurFJBzZvw1Lo3IxV13HSRI5F8IWF8pINyVYbxNkC49aeEDChJKcANSGuLF.iAMRGrXdDjxKlTXruFPxUtPak0niZ.O5ZMUgELe2vLIBhkJcY7TMZeFcITkq06RnFk9qgHVHuC9znYMgAtmQcsRoIoUB93z0axcBIdr7XO.NkX0i2vo6CdxSRwTUooCqX8zNzHTb5ywMQgDCzACWm47MO6Rrz8ATMEF_i_OoHINelxjeKcfsBNw1fqAJHkPx2m_LMOUFeQg2Uws5oO9wTNO0VBdkN4z_xdoNNCLMf2LmpQkNM84NysYnaFDvlF0_m3yl91zz0BPDBT_aWhXchOfJ_r1ZkO8kUTNPhiU2vvX8T6te4sxUdWRToAmPkB4lqLq9s2YnklJhVwjdmqyRKnGIFYRdsxrN6SlIhqGL3EGu_4S7Gnxe.GP.HP87XL1PPZdZlSQ979cbkcXo_P1FvANWBhmehXKPon99X4vW7NPbtY5FcEFYBM.6KLSEba.u25Iu_gYcUYArRWBwU5i_9YQD5JgeOAAr16uhiU9tI_6MKsMmeR4pnEgx6tMOPcgc.h14wmD75QJ6I2nlviWHjKCfofo98wi8ht1QgdPfQ_xHLA2bG.CwkK15VbmWFPm7Fo7aX0VF_rMEi0UusE93U3Fv9nxpovnMf.d.Oc74RBvqEKarmQRpgdMaF6B5oML1CWj9MA1yWEo.zNrnRHHML5hQPBlUCG3e972ZZNNLBfMpejbVmTepAgCsTYb_.ccsSFQhom5N_IUxgdrcrNhyttthf.lcrrAvqjd5C7arXE3LCZ05ObwbnaRRRvVT9wb3zQLM_oSmLhMQ2dYNxijQ3bi6vapj6drWAS_FMcvEOCRfd08ohGlY8fKdqLUb8NusxY0lRv0U1fK9VoE3h2LBbRiOllSAyr7uAU7owo_IglUFK2b.C3nOYh5eGGFhl6SojwRhtP0yj6nGsiGBq9g1tlG_58CZ3Dwtr3L5ejqelH8H72X6qwmH4Ft9AhlJnZG_rDD8SfdvqB6nDmWtc.j0iRGuUoCvO_tbDYyhYyBKdcyjn7Wx2gAgeFidONVkh9krXY88NN9X.KGoH_OBx8M_.dycxM4Cw1aYNKmtcLFhUlYoAXexX9O_ODc85rSTx47Xifj15hfN_5CJw7iipLbJfV.GFYKGKttu.KWTkrlr3gnJWCmooaCzF3ZtYdTQKOoDQax7oHHdy2Fb7zLzNsrbZygXkGAgh2LVbzxsNuSFzPkl2gH95Gpycw9f7Fn1HRjkv5q8SNHDyD7HZZDsZNBXGqkl0GvTphxy1KhCEc2omd1QFM9jbQeeuWtHmNlA5vwAapFZoyCuf",mdrd: "_4iAqniCg9.As7kAV2Ib9dCM7QsYqNgW9d1sR_6NCek-1739104924-1.2.1.1-ITuZ3R3iMXWa6SLjkt9tOgaHBSr8nxOFQI82Zhf8LBS3X2pXBp936a0NQZL7lhrcsRMC5Jjq2U6R1V4mdwoigNHiqjijBaKDgwiFsb9LvmIF9FVdvuU3LPv_3iNsASh8zhiMqIQOqDQLfzkCs_t9ICLeeD0uHv3KlDDGmqAEKk_bW8xxi40V0QN8cSuYUQFTLMPoUKITzViUhLAvZ6s3YPvifXlADmqV9XXw3pI.VtF7CiG.JYthraxn7ztM95GF2ae9rfB57IEftkcBCBKNIO9CG7vFHbH1W0JCGbYxOi0mE3QBBGcnuCxFgT2Sb_w1qu3sPwao1yVZzmila_iudFiaxmvGpXd6RXQmWOEbC0a0MZIqKmvbmKxOHml_2yZVurZUcP69.RfCWZW_13o8pqKC2mo1KUQuRaktaBWpTfhfvvV1JjM92gGGzXypQDmmSKddJJnurntbWY.oWduNsdv6zgLwAgKa_ZemLSdF8Nj6V5f_iXiHfx8L4g2Yb7LyWd0ja4CV2OsJ9vBF219..7SkNIdUWMnMluXVZ5FfHk6Ya4gJ9A1w2Q4LwivkaX.JNtvRVimfjEDjpT0C0ggVhttjU.UxDAtCrzX6lct5pg2ZeCfid6HyiA7O1hxdTRzjUL5iDbw_TzSRjbBJt7DecPslD0WDSxEyLvumesO9_FOVZ1xiXS2M3YEiHOzk6SlEY2YPD1ryCEe2f_KFebd6IDnJHVeHmVX04xQ_zglsPMx.8RuVmA7QV9lrQPr8OBWqKE1qkfPB.mWf9cj42.sC3fBpqZIGx_aqEN0YJhpaaLN.sVXpwh6iXFfilubWshWuJHVRWFwxW75uPpDVV1jwfbyc6WMBe_tHIa52zKlOlYsu63gPVkszJfrsu88PxbRLiG4izGBRRQvd_aNovo_HGPqBV1Q.e9xU00I9ziJVnZ47H2.r7A4DW99VvEKSWmlAo02cml7m92b5EUjkWdyBeHLte32MFiydnwNTR_VZaYTOB9HGD8sYCYoZ8ipaNIUVigEfLZpccK7xSqr_p4omDsoKEQmPCCiKQ2j2kmgjbFxb3wmXHPd75aMJ0DFS1IBzEJVRdQKCHIBvElGuEspGPsDVFqSEenz3vGN8AtuApWam0_HwuktTrdhw0JG3pVSCrQmbfl3XibTZEXp.xy4AJ5r04d6EvwvnAvRAodLij_hU7bIdiNer9QYlRhdZFNESRaL0FpOnqbHSc40iimxQPQ3BKqeBCJmuTUtiYmp2tQ.oAjD02_leDQmFt_BgCGoKnFD4A1o1dW2sXYwqPpR5fAji.cQeQiWjlutB_IplyAXbU3jgY6.bD4Qj6iU.aVCkndaXMu9Ong3Uietv68JlGdB46.ykmy6GcxakLm21SGCoFlQgpkFTZ6Csbpne0.Iy0t.Hg8WvEVVKXQJSqmL1fjhJ2v06lMG3Ikh2r08Y4rGQDYlw0i8ZoHNcPOORRrv_H16mDa.4fMoSGIhLJN97Q6XxmdjyxYshbBryCPLrzY0E_cSDEINLPh1UmNBvDj9OA8pU9LomECIHnUaJhDi0ANu3TJJM7NPhlGe9at0tmIsmLdeUORbwSwjAhFoijm2Ybp.d3DaGaszQFSpRyXrkub5yexgW4BZxzEjpNBR0k01qBfjyU_4r9_YG6I1hkqd4H.FZQZuEGixuiNsPVlF7seeq3nl01I1gcMNhvMD4A__BibFBydFYzM_wqotpEcXqYMdQ9pYyD0R2E22ydrASVfAzPzJrTGWX168qSTzWXkqUiT.80LtMsYoLBeiFltfcwwX_fcBAHeM4gI0vv5KxCXBBrlWVBqCfBajCOITS1oQHoJ2P4LlvYBo6A4mUYifF"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3eff2fa4720c0';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\/1436207985?__cf_chl_rt_tk=KfEbRFx1rGNhL.YV7PEA3OHJf5tfwcQQ5d1rZv8B5Gc-1739104924-1.0.1.1-HcDFrjTf3bIRRLBQfz90Lw5IZa4Q0ykyPJLQyj3BTQk" + 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