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-544219519519.mit-edu.top/post/1264809573

  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-544219519519.mit-edu.top",cType: 'managed',cRay: '90f36a79fb6481f9',cH: '7HC9iuTQ4ibmlrpNKXgATJokIofgBxS8yNaxL7xdaHc-1739099457-1.2.1.1-kBdXCr9CR5ti7Hw7YZZBAOLx1j43e_fjj0uHv8dZhcyy2bYWmVlgczsTZ7Sihcf5',cUPMDTk: "\/post\/1264809573?__cf_chl_tk=AN3Xzkg0_otB09epD9NTjtYlTdGEpAKVQ5qOKaUJoIE-1739099457-1.0.1.1-oMDeZMmoGPA22DN5Sxmf3WpDDOU86AcZxH46O0E6O5w",cFPWv: 'g',cITimeS: '1739099457',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1264809573?__cf_chl_f_tk=AN3Xzkg0_otB09epD9NTjtYlTdGEpAKVQ5qOKaUJoIE-1739099457-1.0.1.1-oMDeZMmoGPA22DN5Sxmf3WpDDOU86AcZxH46O0E6O5w",md: "KRjYHRoOCxDWMv1W7OUc.EUxqIzQJJNhrgkmNvJU190-1739099457-1.2.1.1-3wm305QlvAKyfdGvB0OLrrbZ533.etnew03tsYbU85ZwAcasHPvmnPgqRSftPw6VOx4LoCR_RV_.lRwC8VI1DygSaj1ma0S1cA4pe05.QXU0XHPHn2Lp79geOdCvIAf3VHJEi9XpYj9vki4tHgg3ydj_pz7QDH_XpbETk2VVOSduOtZ1B5XIYlXbEQbmiZC_1coITKHazXIYtiZIYEwKfbrHt0eI3rHWcFeuUxjMV5QdZH0X.bteLI2OYPywjsElwx4oM0gV_QB4C9ZTtTmNoZ0cUelX9xpTILHa7ZJI8LJ1yvjrNcOv5qN_KA_AAKwlRoflybcUhIQMXoE7PnV_bK1YX9D4wk1UgjLU8H.h2tRJ8H2H7Q0Ec8gyOrJPvbu1oZee9xHfofyjFMYMRCjafh4forAyzITSSmpX9wkCh5atrIAWzydRx57D1YOANwalGiDxTGZnTHfeNrAuCgblcfXL8_UoM.RFC2_dqcPVv5ond4bMCRXd3o8Lo26M5eIp8Tq42WHr6iwJTSg_vBuTCayUxzC9ICSKt0g2u7Qje1uQiTwBnZWXMRfJwh2BmCPMM6Ew4fun0CRZV3tIGw9GrqSEZENU3H4Ry0I0EgH_kcqrAvyIhX3FeBHE03oBR9uREWvbnRfCq8.ddUYmIuUIboE8wiFYRf1VE.l9_uren4UytdJ.kvT8EOcfcKyoarXuJR98IfvFWEB3Ss9uJVYSQ94dTR8SSNZy4BKWcIVwAmxUEpE6zzaQUnQ6pwmrLLgbcPqhp.xNus4nVB2LLQdKrgxd3rnLJDmkEqPII3ZcNnhIJj3wv0J6uXYi4WFSLfnSl4wtLgYsPGrfeAuYlqtluHUh6OIfO_YCStJagPYKxOoaWjysTEiPDoH7RDITd31th660FP2hbT6pbVOIbSj19TSBAHVMUSArTnd1I_VMtGlllvzvp0qISgI3G5aCkaGnTsthzmuJ9gjd.EnZCfspUTGK1vutAyKefqQMDXNaphNwDTlXuOGRHMOOaZrWtB5Sao9VoOCB8vQ2XP4NbpW6Wqr0uvSMj04WW_xLxMFUXV1DWhXuj0gTCMss7oa0PM7XXTirbwklkK52FsC27Yp4Tpx6rh0Eb5h3zr1kFzR_cgYXHSCiRzTiwySWsCsL.0sZN0y9_Xzk0rqe43WT3LHQhDBHyKoBZB0Md0stPQ9EGvePFSjWPYwojwRRaQPNVtw7tfSeVYdBkAwBlkuxAk9f5KOpv_vSmCjUohTs8KMaA.tepe_C705_Pp3rM0UY15NTJhAkeBInIC_N167zjIr5O6H7twP_VzVtjovV40OIOB4I78EiPvsi7m6ZESJ1VSYwGlDQBwDJYVdL4WYAMjesuFbYl4laPY_o5sjqH_rNf_SLx3R0Y0xKfvi9nEo6zztiUzulGu6ak.b0Xr08wjgo5VC_.bCdjUU31asSP4TFcWH1HKqKwKjn1QfyoeR1nC6lQje.Kcv8waNjDwOJEGkL5moRUZI.KIDJ7haSrRyXPOTgN7BKGyHpQbbEed7P.s5SKA2V9EE1hl5yiB6hEYIrLmItg0PiJ2BJ664e5_.RdP899TLBifb_PuWCaCDk0LvAOHDXKbc6tUCn6uTXGJ8DG3hSzsS.4jirWA4lbq2qyqYs3PstG4CLVsvHdrOzPxOCAzutEP8UYJOt4_RrD4a2so1g_jiuNYa1oJOY4qSTestVCMJLQw_mfAor87D3UHSUP3rTkH4g84dgVCBHJupBPUj.W4PXTXl0505wKQzQrBs1Jvo57vF_4Wk3O7v3l11Z5vDo3hLFTQaoAWySapHFNc6Lu_tvVz59tBgNxxKfXmtl2TI4LYHHxQOCQSYwWVAYjaQ5g6eR34t50VMRV3oScqQWHJdIRg1PwNOmRqEGkjdjDed_81pNuh_965btThgUtARtqpyhd.8VHwXSYyu07jM6Jp6MizrAB90XXnTJR_nDSnwSfvqT2JnUfcuQF3Kw_jmTicM0CswbHhOvRbQ6T5SkAqquY.PDJ8Ozymgt82.hXce36d4C6X3S01XVR0XatQrjB0rEqgyKU6FmtORTqvK3rDIPes02eLK_G7mSk6EqIi8iHFih_pJhMOABHf8VYsEZUAM1s92KkMBodoowPxEeZEeX3IA1b1RVMclYLDZ6gZJNNB9rgZZflK70Wb4N0nHbDLcS0r4dnh_Utk1okHFziklhcFHro0DKKZRjBOVN1owrftYDwvWn1h4Vb490",mdrd: "mllCAhO1bzFVPeakFhRwc1bjVov9CXgshkEr_hEfraY-1739099457-1.2.1.1-ssTH6c2lPUfC2qovbHjLa6M4FukR0L_vs39W197BR6iitrAdMPjdA4wchwgOF4_BRstU7qzTDs1ZfRVzFO8vs1U.KMWxHMklS4GgdVSrJUIlP_avZGoPnvrbeo_IeACX7pxlF2KqmA5F82YhXU6Rk48J.z7cPkZpEWvbnFJ58gNN8VGz2WXpwdbEDQZwk10fTple47uPnIdXUsEXWTBYgagxFuADo57LU6gYRKwwLKJp_dTHiDesU5Wpe.XE_RrIG1K2emESyk9CBDwibImHO1Mq9pYVNOeXM8HnAFYq2y6cdMHDR.MEdzZOXwZBqQrElc7s9mEH7Ae6KqHQZtLjDr9VmWwuonyNc5V.HaY_.4bdfI_exnHaZYiHAdyoeD3ngwCMBb1d.VSpTvjUFlJb1c1.p7rGUa35p3xXUVKrKOzNBC0u1BFnYGrkmM8DyYCEoqzBbiWl_fk.LKj_veV548m96zJRUdLDimfkxV6pnCitjwqCSJU.hILaVERlTEjHmfUQI7_OATQzJ2hcDqt_B1HJzTln.d7QhiJJW0jvWfbO9VJFvtSqDdk5QAihE7Zq4FdQsjs2LFHwnGN1z6aACSP44k06X0saTBaWM6nVgbsVEX7Qxpy2BlwYVUvEOvVV44quNnE473kxUXxfzC1AFvTQOgPKKXW2_kaAnE5BXmUYpoTyX4ObRZBQORHwoX550mKWqpissdN4RaLPHAsT3hWjByhvffvN16OooB3Z99TkDHvNCtpiyiAmH2dQlHom7xXWyhB96AkzsUUT_lu3r.MZcGkAWbYWFcf.rpAM5wFikry75zubBvVL6M0.8e3qI6SvBfQzmDKLdNvhy4WbL2HkgIhPfhk6c6Qd6bFqOgy6UN0tJcFronvSHPvH7aeVi5zfRlMP18xHFuX0ffy1Yzd2PX3CwM6VmdWs_xH5Gpj1e4jfHgn_50mguRGdcK8E_8F0xy9BHfuNyOYGGWHbKKNtN.JrBha2Hu_NEhHW3iy3PZMk1aBiZeYgBUElF3LCkpehfcIt6y49SNyFCn00k0rwA18C7og8hlWB1Nii.UoV51YCQzWOJYPARK6vYvPblKlvgQbIK_XCwW8Qr3J4sC38c8BUtNTdbabLgdek0eEu5HTs0WZh9gQ1NMElF5MPhQ3ISMJpZuah93E_uIhchJq42.QczI.9EfA4w.FGmJwOJdHVrq8XF_M7GQ6cPVSvbFmP2Dd0KU4fN6nyex4Umt4dQlXYKleOjWbNo9Bgs5b34LJ9C8el_OSKu3z3z9Gupsv89XLABN11g.3fcb4YnqFbBoZKd8vKZtL75c9Dlu3ifCjl9BU8e0svQZAdy1IY.meu9tpxNU009O3zBajWHz3Xv5.fUHVifgfWCZPv2xbPHu2W76x7c.j2m9MeVg2zGSNZw1ORLL2ntZk2hBDIwmMeqYxYCdJZg4WHbqyskzAz78jTBQ77F9IVHGTRGBITJES8.8CWiMX8RTOKgdq9F.HbBB2HSoavq_BHhZDvIOUxzCEzlY2Id2pcr4zQJwtP09PXxYEfC2IwpGiU_VvjSRtwIUm_rps3FLuuXrDsj1OkKthEwFFgABmrmr19Vl.pLqNsyuiEJAP7q99cFdWNeQp4yfrwUQjuKcgsyMHDtilOBjajKXfPPcr7liqg1KWvofvO7sQsLypHhuaTwPRZwoV8JoJ4GxQhMFR52wT6xyOWr2RRQDlivrmvKGyFyf7samtRKxcKLZr7tYmjZRS7VcLBq4kE9tMvrPf8Wv1MKHt0aHdXj31oX9XV.NE1wOTt8g7A7ttyBKhLevqXXkl_WQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36a79fb6481f9';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\/1264809573?__cf_chl_rt_tk=AN3Xzkg0_otB09epD9NTjtYlTdGEpAKVQ5qOKaUJoIE-1739099457-1.0.1.1-oMDeZMmoGPA22DN5Sxmf3WpDDOU86AcZxH46O0E6O5w" + 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