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-014791012982.mit-edu.top/post/1603297485

  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-014791012982.mit-edu.top",cType: 'managed',cRay: '90f5ecf31ca8820e',cH: 'nmVO9kR1L0iona14ZdWMCqfIFk4gSRQSC1w3SA7ToPM-1739125773-1.2.1.1-TFpbuF.B_vIUMQhq47hi9BVa6BuWHspqBSCALM4jrVQo5oDMPvQnotsp0TW3cFtu',cUPMDTk: "\/post\/1603297485?__cf_chl_tk=IR5f2tbrVzSd_GWG0IncTEHQTs6oTZrvaCvVYVTXOX8-1739125773-1.0.1.1-lpJXS7cALGFB_9_gXeCDyIDKCigdUOlS8qkWpVtnUl8",cFPWv: 'g',cITimeS: '1739125773',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1603297485?__cf_chl_f_tk=IR5f2tbrVzSd_GWG0IncTEHQTs6oTZrvaCvVYVTXOX8-1739125773-1.0.1.1-lpJXS7cALGFB_9_gXeCDyIDKCigdUOlS8qkWpVtnUl8",md: "WY1dd0_MVQ5wXTibVaCOa93cyEhYbfqOGz9k_ftvVhY-1739125773-1.2.1.1-mbs34rdRo6iwoLTlWzDiGZs_m.oYV5td8gepAWOfTMhQT7Sy80Ei6zhRg8oPFXSzfvofz9ThdKneBqdqLc4iwRx1Lr8yA_sfXTiBcEuQCy0Bu07Wg1Qf_ObcUZmgjL5OyWTBuj7Bt1eiPhEiEf8scXsHN._pqHRflYKcWWzhvNy6POBgcBnYV5dTwRyEC1UAC1JV.tqBSdQsGd_5C08GsSIhhnupYBe3.cJq05pB9mE1jHmzl1WHQxXsnaK.O9WhCm6nnUsINj6e8.yrUUnoTX6w2XmcV.8atc8Nu1EPTknzf_tmR7LOJ5lU7x8M8P8gi.RkEkAFyrMJhc7OpmOql67B7jcK1.kX3W3x2Vo_9PCO7aLLe_GY0Pew9VAguw273sqci6Z0kBpq5qkmtzqCGjIuJrg_VUoEB2.txmkDkbiZ_FbFTGfFFYGiJ1GYKhjDsop1F_32SMSlaJmksUhDHpnEs3PBgTO1PICjv.Vk_vI0W3LepdRTPLZookH7tMX0MxK_X0C5PRneKitC6RgC.4bckbPBcHhDzm.qhZDqcLLPIEG_oPXFX22mIoq4GGA3x.AGNkL.UJ.kQ7WOePlymeUzhTMP6bhWS04VxloNyvGbFuMMOHbETg6Figw5uNqaKESF68_bpT2xuAe5y0LPcofcNeGyp68sozws31ymMvwR_q8Xzt178SLFD_AthXJ_xXiy0_1PJ8cUVcKP6MX.Bz6gACAiMhZu749v1TqzJPhXWu182peYgLA4Q1q2cqrmm74mJ_okk38cbo_HFXYDiKDobnuW8iEmgq_z2aFNfQFPO5g3tKU5M2ApWxPtvWCc6CpPO5wb9S.X48msEApNlfCQ4QwZ1DWloXHp83o6.FRj0FTuIn5H7J7M3ib2vTwRZimyekDFJsUR.XBfrMi6gUGH6dszw1mCfZV6WCqlKsTxFMgWz9TRLQmkKsikBFt1DxW0GSP3Er4.JEzM4QRR0bGeVVJNWppZvfPauu3e0rOnsMPXOe3nkDqm2eUN5QuX6yyMydoRji.sr_ny1Gl.ZGD6k2SlGNiw_aY2IDILhXgUZXYpBLnOOiXy8ZhPOQAgRLBwloF8R6HOGr4.ByvaDxrqP3Uwu6y1GrTtK4Pr6OCOKsnPikgTlBicqyw1D7y0rFleHBzuIuwO8HcwOSMJm75tYbhxcHvDuG7RIF8QzkbTGjWbhs9kLFCRcbIcyx9Gfyo7V8CK7gAiAButK.kTVLkHA8WkY1RvVlMuNgZ9gZfVSEzVbh9uXSjJe74JIfB1Y5mkpRUrqrOudrFxK4mINWCesYieR0GbP4VOQHSaQc8yRAbTAtspt4SBhWot3ST4zujx0wXfCvNDhSxsqsgWBBP7A0CxOjK41rcV9WdRtjmCriNRHlMNctSqYlpf1E7FrzhNoFuWyt6BYCd2kQMiPghYy486dMIYHusGACfsDW5JHxxM8rrqpG2oiEquFFLjXjrr449UvkiMlrJsCab6mYs4zppizVrVE9tKovjXSPD0BLE2jNuioPYyjyMWoTob7SMMbcmmAsg7TzU9mPoc4ZsohgFrINaC9BBkgDTU03RFpAI6dshdt59zeqeRN0aJvLR7EFUcJKKVJ2mWcvHnlCQOh_BOnTdd_jhUIo6rAp3CrfftpXijCsZF5Jln6SClrNcBXdfAAQNmkG6xefqhbzMJl6onS5IYvTLJE1p1bgbreUfCY_G.HcVHKz7VV7XW12T2LLUiEcY.E.9fmdbAELlNfDjo37KEYINuYcMGZ4fsC.ixD7RWYQG8LEEV9P1iRM7NsAj7xDPjFv32ecUEj6TNBh5fcUEogpVHSuAqTdkwC6ruKRqfYO9v9sBfyOQ5nVh5aLKpcQEMOBpZwJ.djiyKty_fwg19w_GnaptP1d.SQ_34rgv_M2PNwUZhHCWOiBMkTmn6hYGUoQlGNow0U3F2rmZXG1V5Peikh95St5a_ALNZAMbw3.pLopXNpYA_HmIedTsvrHzXwk07O9N5eKAE4n9lTpkI5GJt4PPuIMGAvl7id2knqm4sb8Nzc5yrK0HDite4V4Yi6YBPJmhO_lEd5BrVzbjgJWX3MDgTuqTxFt5VvzOrjlvd9w8a3R1IFpcXBECPAVW4hOKbskzYn9TuE1cTW4lsrQJtHnCfH_ePV8ZelfDL1QICdyPF12IB.vlllsNyA5aoKLLjztMbtFwy147YKkvZGrKZQviBwNphlXtriPn6yW5Fbdg6Dyfp",mdrd: "9gRO5tOV2cKhdrOTayPYRqDVEncp_lqaU9u_hJWX2Yw-1739125773-1.2.1.1-kUbU2ZXXCb.FzyIAxIpadSE8IdtG7ZjQkjM0afg0W.faxneSt9fUzKlNk2A8RAGuuJ96OpvK2LUlYfC3L2ySBFgAFT0YIDCrXuas2APjhUYs1YAF7tzEbjjT3zbRFifQWJVgKoOtT.BHwvv.5V1Zg5a31vCVIKyuJF4IT9tGMXAop3MelBKygVuFJrQtikQTIM6rNtDsCKr3sqL5DPyJFabhjuXWErrdymu8R_kW4Q5DKQnohUQitZUC0mn8PUs_GmjGs5yHfCEdUqdhTS6kxgGum.Fk0wJaHBtLCfmn7vMbTLGSQQ0kwxvQDgwU4B.b1c.yF.Ne7pbFnGdA3.SiuAHK.738Qq70OD7e36kszjPn7fi3QjHH9HPk3tFSoflgQkH26NRjb0kHgm_tklgaZcJ.8ZRyVrHacV3MHFAq933ILPqsDo4N17P7zmgHGmKLTtLlq4Y1Ea3JhRkgAV7sRGYgoItYPff1ItieJ2x4fHPSfzo7yIQGVb4Oz9ZUK8RdxM0ExyAPf0A5J_ZU8Mogmzk3b46MuohEPV8nV81DqJxNuuK39zsceGqawGLhzak2ROx_2HRIMb4miKpaOG8I0qei2_RaCNlX91qyTumfui355GeAvISAX_9XesWNJ277VkplRAR3Pwh8JvBClatBdm9HotC5yM4.hFxeKNlbaOdxHhqW8jm3RJv6agEUh7Egw4qeLNXrewFm2d9gvI2QTfYJyY3ohmDt3O6CF01JC4ugYKYJUMf0JgdscOAJhcz7ZujfhMoM3QswsOgVKQk5oGSdDt6RUmNVK1RrMCer6WpXSEDh7LHD7JIv1VQMQnPDmZsTcP.xxlyyd8mey9WxfbaX6mDxgbbjYe3Ey3aTYUWbgf._Q9RTi3MH.oVdtscR3TOkG4.0z.R04AYdIsOEcuV31jo.KvrWIlIbMQhvv.gy1.PZWIaS_Nxs6BejsnbC.wcZ6xsvNgrYNBdwYn41cdfTq9OgJhZ91pbelIHHvbtAc16054l7_wdiv0NVPbtCxJTSo35oq3CFdWMVKivGAMGHDoeRhrq6Cpo6qHaP6.hIUcVAMaKg4JNpe1v7_rZLtnIg3L4J5vubn4d6vg5Qf2zjtfIFO7lKcyv9KoItY.ol947mLOciziQnFihNJB34vwg13o_o8Uxu5gtkbstsgrTktS6omioe1fyxW3pYEuyk2GxA3cZt8ZmN9ez4_dUprDEzZjJGB_YIKwPYuYS.wDswN69i7rAKrzD4g7Qmjj3ny2CwQ_J.P4Zw6CNERfruBFQYeb2wVfo1wJPOgC2JaZzXKiTl9zW7a07rkbsjnI4wS49g_JGFXKs73u6npqMzxhTBChav9xt9dvN1mBeYjGQeHup0mbzHHxEIsJZQKDJ9T2EWG6ejkMaUMJZKtc8sM.05dQGVLE6_8ABbQCUN6rc23xhlwhTdqzlAcxE9z43q5_UvQHgxQS.VfzSqOkEeNFWO.euxfZTDulHFRVV7G3XrLMYr3Ramfg.xUyccoVRQIcDFtvmtmZ4YSwh8cpEnAL4u0iQQsbzKsPfXGOAsk0ez5wOYjRX.0KiHeuG0Xf6M3XTlGFvCFwwVFp2bk8YCHWn6BUCUkEXbaF7pXo2qoDkxlN1hAIYstzEplyjh5Kk41fQQvZKmIuY67xNXqmpNcdjTOR70XJv32nu0eezpfnaRbucrHcVccSRk2ENnE6dySwPxmOHoTOXH.J3bLRMHVQTenheKkLbOfC7rqveDZk815Iur5CWOLhF.E2aM8pYgSRxgVdq09Eemvb9oV48niqVMYy4.gxlNAeaoec2VvoEfekQ9phf_9x_h05v1gh0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5ecf31ca8820e';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\/1603297485?__cf_chl_rt_tk=IR5f2tbrVzSd_GWG0IncTEHQTs6oTZrvaCvVYVTXOX8-1739125773-1.0.1.1-lpJXS7cALGFB_9_gXeCDyIDKCigdUOlS8qkWpVtnUl8" + 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