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-669212418830.mit-edu.top/post/4531672089

  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-669212418830.mit-edu.top",cType: 'managed',cRay: '90f6afcd08a47fbe',cH: 'pCsCq1ESO7tpwqL7uOJuS2aRacqBcHSTqQyoAWEyjP8-1739133754-1.2.1.1-KZdgnhIIbxv5C9am3e0vYy6mo3PY2he3kdhsREgDK9kEeo5YKmo7jCmKNKfAq2lD',cUPMDTk: "\/post\/4531672089?__cf_chl_tk=Mf9EX2E81SE7O1IKyarLvwJRmQ7r8DOXI841SZZkGhQ-1739133754-1.0.1.1-f2H42XRRVFO31zDIH6as9FZas35YRKPfuCq_vH2vxCk",cFPWv: 'g',cITimeS: '1739133754',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4531672089?__cf_chl_f_tk=Mf9EX2E81SE7O1IKyarLvwJRmQ7r8DOXI841SZZkGhQ-1739133754-1.0.1.1-f2H42XRRVFO31zDIH6as9FZas35YRKPfuCq_vH2vxCk",md: "B9Kp2GjsqsTjYW3Dihsp8U9EceaaITarsYHua2cRhGc-1739133754-1.2.1.1-OrlU0WZMrQFQFakC5iowC9gHAtk265anLAqnvC6aTUcNbPNMIo_3ws_6V0XTXFKo5vzjemDzAKBUB0wpIuS0BKGomRWvluInE04ifZcoCtO7eLegwB2Xzpah.9DnEWcKIkRvXCYyIYJFyqti9jmbt3TlX9PU21eya_5kIQ20d3XjyPQLuDI3coiixpv8KuVEQvKfZR93weKcs5ygyim8GjfgkeLk61PxOK2RyHohYqm25U_wQvaDK34n6l82enQYeydrD_jaODlenrr0jM1Hgp3BxbcIy2F3T_TtaysT8L.bMBbGS_4zBReUP4mby4CqKz5GU9sUDNOeLieCuhHVngkoh3FLqou0gMDzuDkMw15NmeEanWpmYeMvLDouvH_M_v0jAT3cSIUmjApvOW28uZvM_LB_yxsk7nYDddlfJ8mSizCulN9mYUVoRSTdwll5DSm69FRxRuRw2JAiWs_rTyJMGUSyU4Uyh2JogcCzkNMiIkMibAgtZA9YXIUEJF4RlPurXb3M7EXkFBTALI.FqyJpwxFC2xK2e1AIRtE1esmNEEOCuLcN_LiQjOtH2XEHd9dJ06a_Sxu0p._A2bjhetvxHgFrt6RkvO3SpJgKDXG_JLqNO_Zcgo7beSGWiNPGh3ECusvxxCFx.wGy9ypWAo9mwIziP6tirVs33PT1tSXapcY299YoTjexuqh_XdK2oDdOxZMoat8tTbJWxCVzfdF11uC8WIOrMChp9CVC0uNjSJcis.oDe8N33qYRIqcJe3GqNfQNHGUx.yZux9BvY1Bm_sOEvuwdqUGLsCnqEinIhKGsuZKPBLeLBoHZkoCtaw_AdwV7AT8X44V7M_TakHg3L50lS34nQiogrtTEvxkpd2xKLbFSn7GV58MX3ZmSSRSf.M4nMDz1qxQYLLtj9BsvhZQpTV2g1ya31ngW7UQ7cq86uhZQIPibLfNbI.ODKvnSd8WQAk3FXms4GZMYvCilY5jqhlVOmJQE76XrDiMlDT0QKMkzfNYOrkQ0Hi3luDtSxRDvqqI0mfDyZHeh2jMuzNgSNtCMBhq7CwziW0OFNR2VaSRas4BW811nLNtDEv0O5Vrh_TnGJSIzGrVk4ajl2IzTVvMADU62dfodCemKotY..Um8k.RLQ3qtXRDafpSi3i.aJH8eeU_q1AyYTuK5RfTQ7RaXPVrJrd6MDgPIFmvlm.KkTz8n5JJGbJkayPxQfByviBtSTlOloWnmCr6FfMGAII2gDMVMzKsQC2chnKrB7pMCFyFKngyGfcQ9r_c5xIzri64Cp_NTtt6GVKkGDhrbulEEBUf53XFFWw7TV5hRmPuhefxbCAW5P3_C39MNqYt8skgwV6mFWmPJ.vrJFSVVLXcChO3sbi4Zb.lZBrt83KDPMbdeTH3TM7N_kWO4p.HOiI1MB3uo7Z8Yj7hQuurmqf9IvcQ6BGBsoHoB3IObSVqYSf7K2X2dequn.q75pJGqD8bGJqIwdh6ntAi2LLEODUvbUxfhwsmisetRQHBvB5DzqNimcdMr0TqZVtg9W0iPnRiXS_xLcIzSBGGOlTsJ7J0reaeGhlZ7B1ySzjttVnKXgS8iFAb6ZKxNNowF5mciJyANMU1v8wABfiRCDZRTMG9tBeNgx4YvBTmtiIhwDXc6YLQVrnDYLrL7SSDncqpHI3ZVQlhz4Xo9wxxDfADWMPxoKqB6bAv2ovDVxe3kP4NmCblqbj9t.55EiVEuK3uzI4FiV_orthKZHfOkd0pxQ3nRkQADMpQulYu0.nKJtGNiHeItvu0KEh04nJiXuWxfZiwU6Kput_abV5MYR7eSGo13jGfCtNf9lmQejh3TPJaOjGrz0OIZmN77YmN19UvWdpjQudLvcrbv07vpLkUDqXymSxwNRjhnIJ3xCqrDPQ6kIg6yyhh36Vc6r_bO.LRERUd0U6q1dHTl_o2JZnh1erDhQfiDUy4FlQ_EY1RKQHIs_cv6QXtXXWZ7F6J1Phbn_B0wLdq9kDm0oR8Dtl_aIjAd.q9.rbHbKOQ3B7pVSrSiQ5Vo7swI1F6htSi_yQUCzXttYGTaOeLB7oS3dr9lH5Z0iwtKIm64o4CfTi_tvvYOF03SG3NgDOen6WcldrSZqJTY_AfmY7ETRyi2UlbK.wPtzIGTj53Wkh5.U.zBHI8EIyS.end_pVJD62vue.bUL9fBJfhebkJbcTrr2QSNNnJYOerpqwObd9BG8OR3ZsUHHGx7.WMHTNKv",mdrd: ".NHtgT8PEorZ0GQArJe3tcylBjWSK8.uGWRjOmHwX1g-1739133754-1.2.1.1-q16FqAFi97QHlj9G0Htyj6hIV0wOvGvyn2x1ZUsYhdbM6l7xfZiDaivOtkKev7yn7p.wV4whH9Cw9Wx5Z5PBhaIF8t4_DLrGzT6iQFJYhiSf9VH.g8DmABz5O2msC3icxErMGcmccX7I11BLBAazHwVP522AjUQYjtLXHF9.2kLPqzuI9zu1r2VzcgZ9_6KYF8y7EVmNUXpTRPkGXPMLEg3sqsdHPheeUL58jmd4cj1FTa1Kv_qdFMt7WVFlbNTe3jW1oJZCrFVdVIwEm_GXgDlqcH8zEnXfh.OCLzzHpYUl1N4thYfR1BSgzIZ2SCf2m2n494gc.r6X4FtrVjIPd0LyND75qaX5hWcMPVBz.1Q1CB7JNzTClHoukYvVN.hwlMJU79Ob4BN1TJ_7fh0QAf8XQ3COEN7QILXwdOecwz5Juq7OkJK8kIAmGyTYoynjYVNsNUN2xuLXZpWpCLmdCfj3qQ6RRPwGu_1V2rhnVNCPgBBNcs4xuxYo73dAyvr8a2YDkVy2C9Pi64CIh8CEnd8FTy_LO9EUCHGg7ig5jKK5EVFVxddKVNObXxRozY67XV3ihLVWZpvdrMIAoaLIMj9QdoDlZYhiHxBJcmTqANohWy44zjRjrlRFe645RGGNvM8Nwm_fPcG4E8CcRdOYBqj8SFrz7lwwD_2btDvXFQN9VXy8Xhax.aGiTCCy8NCkTSTqVbAUnd1DWrAILLcjJWzwSjr7ZRw5F8r.mFPVW3Ikn.Shj.GAtHqGhB3wM1v.6atQQS7BrOniOLIc_bF.KOamGauUG7IjcRyRwcW3gtUxNGXsONg2ocaIX33iQ.8zJOjctn02xQZHm7aOTMPbCf4fw71MPJocvalrEJ7Iiv8P3WFYsh0Su36Ww_2xAClPdCnKHEpmmVzWiXa3dagsFaRkf_6SeL_aAa4l_xr6qPjWer_C4l_tdJi5Sw1rK0aR9WfNkkKMF1L71NUplNHRHNjY71uydrvQUCn0PAXt0nQOihxgnmAcCayY.XzK4AuBA64mak4FCjxshSrPhvihK9ddCX_uGwcB3UjDMn29HgAbGe1dzwK4v3k9qjnyK0aVpnNoxOMFGJVaSvFflflNgckI6bXWfD59Pg9bicDY6DyvPhRkyqwRljy_ITKOyXlDgV1Dz.U1SISYxmzgWL18ot0qQ46xnThCoVr8G6G5KD6K05m0Dy2.f86VowI80I_zQFk_3zEpij2gGw13.vDgA6ky8iFfxsqI.SoYgiAFggjjHvGpIKuUUDq03LtM3C6OU4JlQtsPXGoo3dlFB0MDmt16rSigLaXn2pIzN.RM43yMLAlBGhCl519jIzmHcslybgj76umkMgsTlEPLIivHBRY6ncxT9TMtFFjngRkaRYziq864Df.zhAjT45nJpYWPu6CewVB1ijAUzL53HdlTkdaqoVFtgUcet7LI783U_EDTgMjHVv7sjuqJkZGykmzUG0usAtY3T977nQFGiRFMRKFkLS7S02tZZ7DrRtoXBKzLIXSdU8oH5UZwBEc6bz66gfvQUG0mpAcOzE0HP0E7wicBPs01yKS1Jbvno7uRz_4W1B29x_yz3TmP6Yo5qUds4MouClC8MUlMbFSMKgKAbkidb8kfc7tbQdIAW9zuN71XNKlFz0vdtY_SkyKKV4WIXp_XCIMHgRY5KMrxUcMXLt0QBMl691Bk2YArfiZdwGWdzUhzH2MYvqEA0bVv6jxnnAq48pMuZrEQHu4uqWSP50Dkfjwm6DhqQICV7C78ezak6qniEzxUtqwD78i0fVwH6GIwLngp7x40tnst9EJq9k.bhmJPPYoCVKxBJw.hRYg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6afcd08a47fbe';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\/4531672089?__cf_chl_rt_tk=Mf9EX2E81SE7O1IKyarLvwJRmQ7r8DOXI841SZZkGhQ-1739133754-1.0.1.1-f2H42XRRVFO31zDIH6as9FZas35YRKPfuCq_vH2vxCk" + 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