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-473539107535.mit-edu.top/post/4290761385

  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-473539107535.mit-edu.top",cType: 'managed',cRay: '90f1aae37e163b1a',cH: 'lAIDzLwJkT7t1fluTBkKGTo7gDdbWUI7y8ZCv83LbPs-1739081124-1.2.1.1-CPbkBTi.n7I692I8SbxAmuBoMsZchK1xenEhUXbELz.W96MYP7qBXy3xAnFUAn2j',cUPMDTk: "\/post\/4290761385?__cf_chl_tk=M5sTCpsdZbEFhCfw2NaWAQcOKXfaXK09XgCZ0Mlhlhg-1739081124-1.0.1.1-LGilYk6GCZHt3fyPR95zpsrSY3uE8km2AMhQXrS1NFQ",cFPWv: 'g',cITimeS: '1739081124',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4290761385?__cf_chl_f_tk=M5sTCpsdZbEFhCfw2NaWAQcOKXfaXK09XgCZ0Mlhlhg-1739081124-1.0.1.1-LGilYk6GCZHt3fyPR95zpsrSY3uE8km2AMhQXrS1NFQ",md: "arGPMWdXBZ.J7FglZ_R1nLqSgd7hxysnjT3kq1ufoAo-1739081124-1.2.1.1-Dq1WfY_rBhqUyXsCO.G1YIRWV.1eOTTq5mngagzsyHZLXLQHCQzWP.n9FNmMUbN7ZCEH3W2WtBHlInrSn_dx5OQQ1RQA8C0GskD00yE5SWpqzRCLZQMY0bdXCWowJQPU1oaDiByJcqCNG.zS7.VWOmp95F0IqwsrE8IeAf4A9QZToqHZKTeX0N_4pbRVjObHe2Bam6LYULeQXjfSl7lhrfmnUQzxhb8TBob6Jm7ZlZEruw.59OClBvYqzeObTdSQi5wYUf1GlMDjSbNq6LIP.XvJSbNV4QG3X4pJRJAOg_7xz6igb.zNl0ioKCW3zWI17fH3PVMC3jGmplXcpNUGXU1_OdNg4rAhX4mJAsZ_1sXkgjqolggtxlIynligdLfbeEQlk71KNBSTOqccIy5qsCLOIrpwlBGXysMuDQRgpizl7h_DccJgRDKFF6W5.9WmVQ6.KWy7Nq7V0eEUiU8J06G6JMICyy6Ku4jFLxcooI8Hv.FS9EKWWCTwBvizfdBKbv_p91vzNGwS8m5jeMCmBEFQVmubRKMg3cMQ6bi0Bm9egmWOCl.XltnFiLU1xiGfOf_AryvEOWY5S.Vkn.B._uSxD4GUSKqjPU6c1VKzSoMhhdlDfb_thUg3fch_EwcSvVji3SW1hL16KYrAmFDOhwc8PXaaAQY7mzrW7eYALXRp.nVvJnltpe7dBeTBwJVaTzmyBe2befqJd5imXja6VCfr4zjpgSeksr.54KxJl7uG2bNJFhQkZ5.NEoo.2LfyL90CX2v1XcQtyi98Z7lxJ_vhchtjHPRksLvHMA6jM0XLrT_tPUjHuQPpTzsEm9rHHikbEEjRQVGz9OudFcBs3iK4O9PilgifooDkSAsIndS6ZdMy9y5Lj_bPDD5ItU6ASA7LJUil8oyMlTMMElTrokbqtriFjWhZksR4HlcKWjAvjksmxnt2h.IV.c8g4waVLn.6NyTUWMlZsdpKVtUCWRma6KWMT2bCIWredK0mYqzshkzsspGlLPegW8P6YjCu5fBlpSl3SPPxYhCqAvWvzP6A5G3XOnSJrl7Lq4_4XimDAdolzNUusXj09Lp_epMMw8LqOPXtnnyCV9hicCbNAobe4Lx3xB8FatycRN3aprKJYemhBwXSP7EVMxz_bTIZDEz2VythIuBFZW0fumY2XR0lrhde2ymnTD.IDAFKgLTobgFM9PP3n.98c89DH_CRdU0LgJkeT0k03R8ZrLhBCSIMTzyjbtj3z.pP5Bm6sZURACTQitKJitAiM1IJXNuGqDjfxIH7jSNu958bRf2mKzZvTq28Gvv9eq0KcuS2JHyf3eJeHlLHWGUPv7egWimWpPAmZsUGBOYW9FckE6F6jstmrEp58DO11ng0T_vruDUgjh4SQev5XPTYUSvfXisOM67I6hoNwAioSnGcR68CvV6Ksa8hkCqVUgZg2MLyeIPATSlMMzOvT5to6P6hVL8lRm4rVtyzGtYZzNxTCogLUAU6dxgNvxWcHsURN12iqI4sx13JhmdQ.GIucfaiYuMHpO3nfAUTYQCJEKZHTvPB.n2f7_R1lxbudmIh3S.ODtubQYGOX1U7MDwQA5.04TxR3sszOnK8CFSxoZ2gQ.ormxifvSuEOw0YWkslG7gg7q8M0blI0RtFitn95ThzhvB1QMT4PyobX6tlF3K21r0jCxrimZKQJim5dKuxEx5ZpNqWDXoPUuBHM80.zTNjucv4dMslB0MRLukCItFYlxPKYhT8MuIr5iq7I91rHGAP6Oh3RP88jrs_gkd7FcNp9olSkCVOa9crJHSeJuJ88hzDOkLCzI4fTE3nv7RK8la2rLvBGqQTqU2D33ljcyxFn.StJtzlM.2rWNAH_kYnQ1wdOobMJVp9sUjxSJUAY29TFfmKfwtDIhPRY_84_knl.d3fXqpH16vlwgg8kgDUhHa3Ldunw6wGJ5MTnid.vOvD8__.CbaVNbfXhPU64973zHmv.lyd0WdK1T67MQ1mFI4ys1iRNc5Ntcn9KyEGIU0rE4U9fnfiCiO5N1f7QpanzI.SWKqFaj5LELqZL33mTqQcyhy9RoP881BYVFoGbeQ38P_AIOXCaQGGnsdTYMPJ3MXG47ujc5y6PbOL_penjtCxeU6KC4DR7uOTEhWcoWI6rTfKqqv2fM0VUwMqjPNw5b55HgBNiGA6GlIpLI2C2g0S6nRYivs._SkFx8bi0oeqY4shMKWV96o274jSI6s0YMgP",mdrd: "Fb.U_1kCpN4VHf2L2nNPOqoXgvAQcj6YtrBqdkDwlWY-1739081124-1.2.1.1-EO5nc6QOxnaoFnwKLKwSZsENtvx6k8k.qz6F54bP5n.AGJVMNmbyZsx6.5pPUhlnnv2kSIRBCDWsm19dSTs_lMRylkQ_wrhrZducrWhv1aSuwmGbSdCj6bkttA_hco7CZJOW7VS7Gyr9Ck7MRb4EmhotaFX1ds5DbWTrZDRZYEOve22lQWdxL8oTJBO_0wi311WqqsWYF.fsH61LHTOe8cjNBDi7aj5IBsOLhyaLNrHhFtx9zr01YXxQwsTHwc5lrswwF2_PAg6.kIFiPjaf3A9poqNhWi0iRLnQREi56nOO2_.cH_TiEZ1IOJz9WIMojoyqnv53ZKt9wIEPC_g0StZLXnw3ceZe3Ixcp7McytR3k8OZHwHcQIAeLBXJysn2uUvUqiz.eNayhMfF7MHtTSLByVZqeQKRYX2BgtCGKFzdnHxYQUSMjqvxcb4z9SLq4OHPEslGcfJG4Eof6WWvpZ1YOLECCQgOBC2Ah82QTZUzO2PLREgb9_TBGH8z4xUl_TFvrjmLL2K3zt2XnZLRko3PMYZwKZ7h6kwy3ppZo_3RnQ_Q1CO17ATRWukLTOw3JGO7lht2N1CVSNjEsYd5oY1eyputNOhh_Z9fmYQgh5_m9O1SD_OhtSvscrVtnmhhY61iS.nUEtmGosJsB3Sqbiun5fBAWg8mlq067Uee7tlfPXaRh2H65kA5WvnN0cAfcRJGkGLcwB05ztvO12VTgNTZX1eobYcH.hhGsFeQsSgBVo5CYI42wsBDOLwiPl9jYVJ7qFtQaKQALQbLap67ZHpHkk2J_aF7sJUGnqbzN_7j_RFkVQmR_HH34Fy20bmPDP.lJ2sIkHxvmuktt1n0pX2bgSChjG6GmMkKtSRVJGMBpKmnzMOaQuvQzjJCBMA9F0iebSserBZO72ZO1CSLwEFECasKE0bWkEVabR_8PhvrnXVIrVEgVL0DefK3_K5k.RGSPPw1lscmnewDgOJznceu_dB4VJb8XUay9aBZSMp7oEMnL1sjJu2I4_Rils5RTvumLstpberrc75R1LfPp4PTel4GgtZrGvLnVZ6woR6DOYkl2yuKitZNArF_gKBGkw5TK3aYXCW3Mlem0gViqt1ef7.ndkfy4EhvVl9Wmbce_KAEjlE1ZUrnRKR4fi7noUCs7e4txtzMPuZ7tVdphGeUbzq1nXM1ISGvRpkHmYCV7tTPO1N9Jk7AcziuS_LCg8hLyvq1CwJE7mOC6nE.YlHIdtb8bbCFhpRVRoDXp0Y7u_yHBvWHYSHUx255shpje4dhFgziqnm2NbP1GMTrAjJEoz6WzN1cF50vJUPZcuLNa1dFRO2UG_SrXVyBGEl4NCx7IQ9cQZ7kP8vYKaKPk8adVMcuIRpsUaMz06LJHCv9yomovDzo02Lx80r.x8agcwrBYygqrFipRa_u3Q7xcp2f80p5FosdhDGdg1KDlnOQolVMKsz.KTDRc4gOqMp2YdMvLSkLi3c7Gbkwb0vOFkxslspqFkGS87SG3DpMxOrvIrrweFLgcbvpRwJB6YY_5udPdvQNluoAgdQUrNyoULdhXuojZydox2BiSli77ifHLyCPSu3lhVhCzhWgbvV9JZtgIx.kol2ZA4X0mDFPD2BeJxj_XWX3KjCNM_fkrQR1dJlV1LffSdZcSHodupBMNciUcW0gu.OaKcSRHP1ZPbXd9icQhjyHkbLhxkECC9lJe5yBlhNXO94kE0ml2mcSwnkYXm7_LdKzfOoy69ABkV40Fd9MULfIXMDgwYY3c4x4rOFcq6.OBcpNoWuVtvs8i_NNzfRvOieX1BNM6EagFQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f1aae37e163b1a';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\/4290761385?__cf_chl_rt_tk=M5sTCpsdZbEFhCfw2NaWAQcOKXfaXK09XgCZ0Mlhlhg-1739081124-1.0.1.1-LGilYk6GCZHt3fyPR95zpsrSY3uE8km2AMhQXrS1NFQ" + 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