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-816013238558.mit-edu.top/post/0742938651

  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-816013238558.mit-edu.top",cType: 'managed',cRay: '90fad3534f9ed6a3',cH: '2EXK9izeZY4rYQ2KEbTN8oJhbrs4CFMR7PV6YUE_lLQ-1739177152-1.2.1.1-gE7Kb5q7i03mrVcGKCgnslUCnx5eFpq1I305eeQDk9NNrtiVAQ_TAbpDswUbOZgq',cUPMDTk: "\/post\/0742938651?__cf_chl_tk=IhvkFPQXj1JljXy_glW6B8c9o1K3BQ_sC1SVOonuZCE-1739177152-1.0.1.1-W7BRUVTH1wUQkzVT9OBp3.9pvCrKdjFq8bU1AfGiKG8",cFPWv: 'g',cITimeS: '1739177152',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0742938651?__cf_chl_f_tk=IhvkFPQXj1JljXy_glW6B8c9o1K3BQ_sC1SVOonuZCE-1739177152-1.0.1.1-W7BRUVTH1wUQkzVT9OBp3.9pvCrKdjFq8bU1AfGiKG8",md: "NR_7w_Owoyy6LXdPdOpov6MkSo_gj_SyW4a_wtLu7bk-1739177152-1.2.1.1-5o6yRgiQtvANNkRmnIKDW0n4PgvAIwVEUvLoiDSZKI7j1qlHnWdF6sZN39GDV3ai7Tb21RwSoqVgzZ0NrTOdix41nZlvktpYkotemaaKoIjadtmRRsB4rQNHa8lM5gTz7ZiAQGnwIlijBpMR4.dD2addk32.yzyCw9cka_X3bBFunMa0IH2zONwez22FoQvs9bxi7Wlov5WkzU3yN7QI5aMofPSnhuSR9r86vVfP8u9QcjUj.dUGAmwxqJ9SwhZ_YGHDVqHEVfcHGmb.b2oVZlyMqdllm8lagpXmuoBCtPqKF_oLZJxTfUelEsfRKPMKcFZ5l1rjLmY8MnPD06h_Axdec13pL3fxTOIBKr2nqhFQP8mDQQ.V_q9lIqVfyJBs7xoqoxCnTvBgcLsFvagIqYcs9UB.yc4JwpxU5p6SWlxp1qEgy9Vm_y9ZjGyNocQz5uLkTWupBPBzh7XaLj8q08fmjlK6iNcmj44oMysYnhL8ahCG.yK31CTdSNepaWrLl34CTBGsKtgEps.k7hSTcf4ZT.8pNHfe9ED7R1fO.Pm9S9mnXrjAalKXLYS_1MsRWMptIZnzvLinlP.wIwpTVu2zc.__jjEZJlnPD4D0Hnhqzs9GG.bxy2KBhpgzM.ZZt9baFXHLyhMTEjhJPda48fCAGoTC5GxSOVqZk8shuJS1KW_82poNrFNW_7DDW_mj3DeShuUHpkKDcBF1VEcBTXaqCJmYIEjRpnVe3eW_WxD4RNEHN2XsfR15fgyuyRWDI3yEsdwVnQTmWslTwdrkFVzG5Xl5WRwTS9rGrK2z3GeFhkVoMuoGnkSQxF6h92U4klBnN8HpjATYz8uJe.hocU.flHLvxrDKUbzHPi7RgF_wOB12v.WQGXV0_PsPF_0nUASzc6FmhMcs_abDl0SyGcerY8BwKJwhoLJ74Hv8zWmbareQUjADRc1AHmm0iqZL5z8NYWLOAPhnITA4.mj51m9EEjS2Z1ATnsHFcmm47TyW2BB1S3PJzCkxn2R.3k0ir0aZ8jBPm8h02yCC2sWY0H0cvxR1iPKV7eyTEYc9ALtdyt_7Up2rTd10UiTE8a3Z2gsDP0HFSN13mAd5UfjZu2W4TnAtq.ULQryG75zZhmwIbH18fPzl3vihoN4TgsR0armO6qQkH_Xw3AlHKKD9SB0Mhrq77ZhKlehquLWisw94xu0ZGaNsiEjLgpbov7J0Cumdg3X8snXRreRK73ZqHdqf27NLgyIR3oag2fRGzUL9rUBD9OeHsuDRbelq4Gu0qhFP4dyr9ATHWoLHBW2LwkE6USbDznxcZnT.l185qsmrks_Z_Jckc4g2rKMn4qyrggpUInNealhmoSYccYyhxcx9N9POMc7Wq9KdEAB9HgWVAij5WDlhVhaEmiHXpXeViCJ69EHggCSnU9P2C5fmIuiYR2JExuYehHuZ1vwUtIDVVutVOwR.TGeVgytJR53XTZnZAkY8aQBuHuFhT_G0UaXNlxdCzTMXsjLUIaLmXwOqjyYzuG4oZ8amH4kSOMAzl8e2ItjiwEyCqE4SRlr_h7d8hlbXWoQPPQEtATcfQQyPwwdGvheNfefNrUgqdq0U0qCf7xxJbGDwTF8y2Bm1ljUEem6xTMSzW2EqGevNCONpfD9AwvXeLxihUC83RIJcIZsFwLM_yKbSJqgIoK7A3Ll4BVakNHKcxOSZYFAwoO2BtDsHc87v1DMGb50Jp3mEpa7qBa4Zn1eZ0NwXrXYYLne1ft0BhreFClWrG8dULpn5OGTCAAFCECGEP7m1_0CSvzq_XASi0QxPHWXCG0AzHCkZWFtd7gJOTAXCHnpCBJ3WPTVqTdO14MzaWcYVdYtbgzJro4MoUWMMt51nFNcmz7GzxrE3mZ4x7YZrmR7ZuYkKg7Sh_lUFZEv05jl0SHFfIPCfIOWpudml_mFyuDvJmBpCtdDbG3t4avnefutxAfEYWMKOxuu8eP4ya_aV3wKH2QISdoTteE697HVz19hSZzPiIbtqTDZtVzI.vicu9cTg_MQuU0Robo2O4R5lF5Zo8y72l7VupaetPbkvKrjqYNrstIQAixGVKjTRdbdufBXoSxK0q.ieO05qHTBRlmPUWYBAPf53QWjadmX7IFfYVCTW80F7nC.ngRYM2pWnK5SE5BXriDxlWvtGHAAL66spw6nfH2gRH8kdZGHRsTBsyILYVT.JOJt_bRNdHLUjnYDT6uHgMUS9dzplRFW.xmld",mdrd: "aPvQpFg19ejFZNu0ahc9PiajMyQcoDvaqRD8DYHaRYE-1739177152-1.2.1.1-cX_NKDrUFAEWoA2lgq.oUUSgVlBvByn3geb3KYSvaC_G9R9NeuM37pvnQ2LiGtPp2UTyjvoNWuyVkk5cBKFyx1UMtvdg0KpaBxCDOx.h_kvC2Q7UPVeJntoOl2xSAgn8zRjB5l6voXM7Lpmcu4.fYSS0sjr697dNq.G6Di4PmBYN1LZIhN.JnXt.F3E6SUvuwTqUfmczR8NKFDTB0fLdK6hVMFqhmfWGX61x67Z_ONYItLLInElTy6.Ef59OP4FAxq_0q5_MrnVtDBeIyI50muvRS3V13zFtvb8Mmttyk2K5WNPe.hMvI0MMfaVkye3dQD_aXJmDkjLLy8WspCHi28ErB5xy1KwAjsw_sV0BWUXokRSGhT0lWYSSM0QmEyq1hgAmBZBVDZ3Evx4fyKBK3ReTTD1q2HTx3Klq2Agn6N_BGA6w3aVD1eKb4Rb7VRiFWMnjmGx2nMrHFdVso6vKt0Oj9hDSA0V8pAvGXtAsrD2q3h9WBDSqt8PVQ0uPXd_9i5aZBBrW4pymz9OP49vvmasey4f_jQ1TLVz7g6sN0WOeCdnetu1q5FuVLOKZd8Ig26dYAowwTQalIhfsFDjmWXtKRBa6KXxlulr3jcP6RleG8Jzsf73y4Ac3IsAo.u8fYwtn7SooyKuEsEI2.5Cc5eCAqQiSOiZ3Jjc6FZxE8ynRk0dEMzMF.b_ywVF6aWOOKt4e4Zs_rBInx74FfNRJwp3zYrc2mzgQPFSMh99PNxXm7_IqmC0bGIQ8cqyVKXbscPLR7m1237IGKgLtVOk7fNk974_7cMs_rW2Yp0GLUQZbPRCtDqcW5njhUw9V.FejlN_TAsAisVEOE0M2Qs.7G7oe2HkbAHejMxyLUt_c.xlZSKOwLpy_FEAQx_4wEX8Ax6vau3pS55ys6_787JqKkBEeGnvGEpbJrzZW73z37.PNr7FAxKyz9TAGd_HuSzGtbXaVhMTxI6tk7CGVbmEshctm2soxzi_abgLDaFLu0rMz4EikRpNsaWadGaW3B8DVO.PsFeCQmTHkKFsIDwa6Wr78aKZ82lI9hB.EAUrjGCVL.jn2QfUevuLEnwC201F8rioZj_kPTFnSFtlSyx4rCgWU9pmsLFAEd3oV7KA.8weNuCMqpDvDTNPwP2KR2cEyCG6xmP.tYIeajclg5GD81foIz4wHcOczvKGaGfaIhHx6VjkD0JgQxbk0hEvRbzXiGqWPc_pbvPWgH7fN.uty4VOK6rrD76wOeiBw3YNtFD5Gc_64tdgDITIqmXSK6B8InBaXCOMeZ.WnLzbsr9xNqyB6bx2yp0OC90wAHarq.RoHxzjD8Gu5yk6RhMb.QmGWCYZACSkAHFR8v5Plpf20101FnwVDen1SWmSqJCuBWbvYD_kytNCirA37.Te98rrlhpGlpfTDRx9s7EG8cQ4ziGw2V6o4Q_XAiEwRlMgGiUrTr65CLU52fv0aJfMBRuzdZFymdGjr7sz.PB8vlkA7x5vh0fecA2NUUQIKI4hcfNGeK3vm57wh1mvw9ittU7DRWvNKdXGX4zZGxeK_HBt.p69qJfsiP3F2ZqFlKXKQWPwgw83PsAVMa524bTvGFDhAFGcCesS4BKX7Rx08ql6JTSfhwqHE5ZF0MvVok1SWjjI7Y7yIhTFaa0NTVv0zS5yOI1cIlz5ucg0chkbDZE301_OjiAkP_t8Z6ZxiS.W6nyOQGnSNmzmMYzJ0fFcHtpKg_lFkDdNdG2XzyVABN9..bRhf4CM.4Pj5l.CiteFNUAXmrYzg2QzX2jJZipi51_Ckh6iE8hzOqODfk9dJjLB_cCHq9CMIdXwctbKRhfAcf.b7WJpVDoyf2S65jt7Ch1Om"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fad3534f9ed6a3';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\/0742938651?__cf_chl_rt_tk=IhvkFPQXj1JljXy_glW6B8c9o1K3BQ_sC1SVOonuZCE-1739177152-1.0.1.1-W7BRUVTH1wUQkzVT9OBp3.9pvCrKdjFq8bU1AfGiKG8" + 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