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-868155659448.mit-edu.top/post/1387965024

  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-868155659448.mit-edu.top",cType: 'managed',cRay: '90f7b4887a01828c',cH: 'c0gvwg1hfCENBEEuZa1T8eddQdJZVfKgNXr7Zngd0vc-1739144434-1.2.1.1-TWjzRhrSmIyrv5nhQQYqxBGjgrjKdR9BfJnszUcpOkx81ZgzOu5yXXfPDURYIeMm',cUPMDTk: "\/post\/1387965024?__cf_chl_tk=b2gnPsqaU2CBHIsd_AiBZ95zjzEs.CXGD4bD7guMfaM-1739144434-1.0.1.1-QF9R.vdoAh1gdcCRv1ujAGBE2pJOPhyBnnuHtOOjduU",cFPWv: 'g',cITimeS: '1739144434',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1387965024?__cf_chl_f_tk=b2gnPsqaU2CBHIsd_AiBZ95zjzEs.CXGD4bD7guMfaM-1739144434-1.0.1.1-QF9R.vdoAh1gdcCRv1ujAGBE2pJOPhyBnnuHtOOjduU",md: "MF1tmNCPUwLT2c8QwFCzTTzz.pS2wAjswDW.8ewnMSk-1739144434-1.2.1.1-eJyUHm19eRWkJ5zOrHmKZzIWZE1awVm0NKQDpH9e5dqE3BkxMsNwyxubkV7aKJuGNhcb.AUzTOAKBmwCPT.Qabg3mFMP_DK3XVTIsApZanDBHEyF_O7EC5n5337iGMIxXI3_ixzggjjYXLSz7SgnDKXkmSRGLDXtOR3nHFOnXPtVroe9Dd.O4fAI1QRtfDOF7v_nI7xlpRREuA.Ceq1jDpFbfPv.KSgYBxOGq6oxGhUG5KKFbAab8MXN.rROA06dESY_Av9g4.VntQIaUuueeOdjALWwZJ8WkUoG4K32vF4ilTJj.X6d_3sb5GwKm3fS4f_ejWZajvLQt2gckvZzIQOfJBT21y2GL7zo77CoQgg_YH.cPuMrstKU9ymx7mmY0YQL.s0aUZv2CI_aK9DQHXwRBRvhGb5v8YRDq9jTuGG0BQEjtY1B0R56wswQz6pTAoFrsZXExbFDUCB5ICt1CHUB.kHueTVXjsHQ5T61YyntVhfaBPXh9HmhJ5R6xnOobyQDyZ61CmO1VhQBR9J6OZU2h_AKu29HSHmCLpRBQ3fWT9Yrk4zZ8iEyrz.si1zeVs91PdgakZRpLbCC0h6GRHCEW1K86vm5BUc4IrWz7dkfy4lOo3xckjaPOANxkR5f92sME5cw8YOigOAqBGTqIxV31pxi7tYxG.7CPKTzT8IBWBDfwzJc6tnXY0N9F57.QBpdNR2HTYK4nh9jr3fy6oJo8uSjcG7_GO0RZ_ZBj8E0qT5W3vIYvrmXrpMHQtvhBy8jlW608jGuJ2ueI0ZaTmJxOYH0RhBK7eOogCSTntjpvnM7OtUxM_s0M5_K6h6fnitS7.1x10.CtGE.a8cy_IA2p0HeDNKdmvdNdHZJtrDuQeUqshZV_vSxWcZoaox7HklEdVucurT4xZ5t1q9Ph9BZ173Crddsn3EOKeW_gMXoyfKwCiXONyjMTEuzLCmiZTn6vPYYZgHfXBYG.XkPZsztdEdtlOckPbhxQ9kSS83ZSrRcdwp3myMe.Cx36i4Wui618wVkmTSTlPAsUpzKw1vivoOUemzfIZ5NRCFiUM2hg69nOmJnvzVRgIBAxtyJ.8WRX5uTI9i2DmNFnF0nvUfgawGZH5lRgzrFYaQhcFSER9CvnnLGQuyIqUm7rLme_aWKv0v_XtKmB1MxehrOuuTw9XCUTtmhxc_E61w8XdoOnQQCZnyEJGeHN7Xl0qCiwWV45oZDGgQl1M_HbLEsGxzDxmePWYBkarIG6w5wFpQdBzSdhLRozaT9XAqmKZdOvF7k7fYWkjFM3aD3ka0M0F8M7oe2bIaj5Q.YxIohO7wnhsa6oroiL2QTcXo11WioJIalWw4tIl1Ao6MFJHxPLNpXcRGF5Pr4PD4RI_vd5yTGY_bdPV6eT0lW.Z_o8Bt4XBcGYEgoZn.u6q4ymNzbSSNEjyZZ1ic225LHYUF7fLiaji8rMm7dFFoLY8nkcqyUB4Uw7ZZ5lK41EGOwmLGduW0H8eCqj6y0fMooqamOTSqBs0O5BWdjjEuNWGj9TrkcT18YzJ3JrztBYC4l89wjSiiUG7jpP_OyGjCbVtPXtojfzo.b49l55mMzh4Nsk1XPfXKAFedNkN6Mmt8q8Vj1SAVNZb8FLrUBHq_oy39MggUBKkokWpbyliEFo25GjcKv0GQquWkOeiAkKPMErbU0nmCkXqPddSfJZRUAf7wFfhX6YiGLe7S3W2wZfg4mUAbg40JJkV_wsm588_8j_KIuEcqhOxXHFewjF3_bbKRrrV5bJUOUP4SuUYhSfg42tNrf0zgxxIV5ADyp6dIMPm2ts0eqjJP2fI.7mKa6muf34qi2OMFG..fprzCMew431VneE_O4j0qyYS6udZE.GGEbLDkNqNpEnSqB2Gui.WPkOcfkEZWXxZ6WO5.IBJgnqbGVu0dZA74C_8iOQW_YQsnBY8YqeMnw2jJzBhwG1JYL27WxP4WlmCo.PhClXXmior5nvLDCZYaIKGiOCQ9bYGtqIAOuuw6eIgCyg2sSMaszOVXZOzYVtwqoKXkNcW.QCXkySj53YrGDYG7cxpLswV62as4wJ17dAvRHrNnO1hfWJBJegoArTrkhzG.xorYtxAL.ymnhvSSOeyA7rtPD3Mutr9D2H.SkyQu159wZ3rAnRCp1ELKGklti0od9eeLSLAlTSeCc5ubvpPEi_cz_1Urt3xaLEf7WA0_7RDHWrBQNQmivf0isGup2XyKd106NGjoQ",mdrd: "WOG.l.xfUDzbERYnd5KKp3TDvfQFL_pKUMUMbe_ylFo-1739144434-1.2.1.1-7pzKr7l7Y9EsWsj9_GTDkxX7p7OCwPIwRyBQT.ys9ddduE8xYxgm2IP_sX4t1oSKb6T5pGnt9olNu36y.DMTAKnVuF9DXWIHQ2FPhrEvyFUZF8j6sYP49oNTpzYOzrs_P67EuKQUDmpb_4lCT53F5F1CPXQZJWSvbISebqn4pqbAnUYNhHan5XlsImGU2ALdxOhnt7UAaUaO1xliVKYQfrboDdFTN9zSjKzxnc9iNG3f6oKVRQBf1vbpimrIbFOmahkU00SypyAyJcmQUXVupA3F7JY8eU_EQqUknYW.j7ydjJSmn82m3HEkBxmK_U9DtKTGwHVg2C3uv9po2y4goB1AJQ2LOEOQ8ghufUwiI4RiKFo.T1chMj1SNPSt1E4GqyD1fgYTxAEkPUuKpadhoVxA0_uXuhxhC4WJmpbEnrkgRrDO0BTp9ZjiqT1zTk_4JyG0yLYLqFjFehP3V8VdJC0uWSLI18z0.fbbV1NcHRs.4xWi.FUjdqswbigjlGimlGWUmf5GB53h8PrbABfGwn2vmq2q26TK4VtIX8qzg.mI_cjVerBtnAHuHjlJYGRAryDcFLvDI1rbOyAP3E30BEdQz19uTnq.h0l1DEzQyeA1_LwagLWcc1oPRBBYvp3WNYuu_bcaoCIcWPDodrFsWT.ooQ5D1nUTFIOM_iNv.8nvYF3CF5cjoyQEMzUKfARF95r4aygFEA0WwNAmLZEK1eEhZZjA4H0VKLh5BTU77NjjnEwSURP8OFNsb1J_MXuPU8vkOmRfXmMnUCd7P6.2E9grJTvdglDnlAp3vvZkb9IxJdNTPKe0cbt2nem0R7uYVz9KZUHN0V1IsURktJ2gAVl55KZqyCwKFMXEqlhbivVfUMDRkHcbiTdLaCQWH4EyiK_tksCDuQTJ_FIuO.MbVBblbwkUCPqMEIMBjd2VTIe8X9L9hnYDKiHfUMh9De6DIVzQiS_rghNiF6y8pkApUWo1qCvvhFsA0cMIP2N8QJ3N70HYYZwqo6slR5Ac90MqP5V6DpZA.znBx6DxefrBhl.08rFygmPCOE.x0RJSCRoxuj_MpZosVdlCrJJeVxab9onSDBlM1E.N448mDILaphWreyMM2o1_iVYJWlDFuFTbUH.K6bCUwQsRt12opFdejhbGeJPR5wK0tEqnz2DyQbKsmuJjXWncjkD67G2RHPSGDAkNKfgJxZVchitAQVsI1059MgP91qDjgEwnRpnBcJB6gTnep27L6TATK2Wy8jUE_0iF77pThzG_jVRDaUVzS7R26pdn9FSF_wXajug.mOzJWgxKRI34zoaR512.piJpOBqysUv_MzAGg8LZnp0NTewV6WqdiUNr4UNUT6CDdUX6UCGyu5Id85lpjJeTtZJNX8kxNUEdMkyiUfDit5Yd97.sE3TMJwAX9sRI14Z48WHBT6T1.sznVWI6joISWOplBz4vkGapli5LGOAzkwlvR7DoSpKp1zG3Or3pcJLPapzoLaJvBGsPCIbIctRK30oymtyChoa5JdkqTHSMjtIdT84oHkLhs8Raqnri40wsRhJ.xhqJW2mJe07c0s_b_AoqJAl5ZP.cVrcZRnwPpMVNYz6O5R87fJFjeGFp10iGv3yFuB_.Viiql8n9uieaRi7Y9ZmZ10yvsb0ED32HW61wH5E4bmsLqj8LgqHyiAgTk6m4JycxYXuWdBEg_MnQQ5yfLt.Sg7zvjzfmdFSX9JfGvRNSWH7nY8BssWRXf1oEClzRLDq1UPLbm2ViWhjHqBCKjN0OS5jwCSynSF86whFp1iZruaCYt_Oiq2AbaRiTiA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b4887a01828c';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\/1387965024?__cf_chl_rt_tk=b2gnPsqaU2CBHIsd_AiBZ95zjzEs.CXGD4bD7guMfaM-1739144434-1.0.1.1-QF9R.vdoAh1gdcCRv1ujAGBE2pJOPhyBnnuHtOOjduU" + 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