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-619029457931.mit-edu.top/post/2657381490

  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-619029457931.mit-edu.top",cType: 'managed',cRay: '910f8f0c3f39242d',cH: 'HlZbfz3twRdZNyjWmq3pbM5RN7yXkwPr8CMoEZYVSBs-1739394556-1.2.1.1-PjHraHsMKQ0rlip6aIckiQLsUqzrbEB_asqyDiwoHXnOBNVBvz0jlw32rh3hWJMH',cUPMDTk: "\/post\/2657381490?__cf_chl_tk=9yMwiOx9R8FLYza2miD2NtOL4ZJ5So_m7QL8HMEoruU-1739394556-1.0.1.1-O1jeOxx7Hf3ip_DqLoHwQKnFIFNcd.vDuJ1W1QH5Qwk",cFPWv: 'b',cITimeS: '1739394556',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2657381490?__cf_chl_f_tk=9yMwiOx9R8FLYza2miD2NtOL4ZJ5So_m7QL8HMEoruU-1739394556-1.0.1.1-O1jeOxx7Hf3ip_DqLoHwQKnFIFNcd.vDuJ1W1QH5Qwk",md: "GjbOhd56.k3QtiuNxYt1cW22L.wC0IqTw373IdqRv8Q-1739394556-1.2.1.1-4mmvt7.f1IR4uIwJXFrv9PRv71DLMTb9XBDNZ70WCUEIb_Ccs3IJA8jNX2VcQb07pX7RW9iv_5aCgy.o0iEeFRbAX3UpiUppEN6jQTfjcLKqzGDNceNU4Kj84TNFBLOwCDhYP6FW4_h0Wc77nPtXcmjLHnQfDJQdpaMdJtHPORragmyvH_5WN6q8YewfoENqYCfYjh.bGm8Y2FuRfZZzWCb.3o4d8UUzTXZFVyeRq5kzmT97cGrXhDpgwfI4x2y4TI9Zjwut3.jvZ8XbC_j_KU1HuVjsmhMHJU4GzNXXytl0G2.bKWbqs.C87vxkMbxBmGmUQ9.lC0AfmnMojBKuimdUvqQJiFhK_T9o_hl5Zy_JU3eSC.2A3x8Xkpr3ZXl.tUg5KV9mi51jxPhwChFpwTym6YDVfmt_Yg1WGo8oq2Vw_R868j5MPspApKf5SHhKmngsTGXNcRR4OmuqTdq1SaqH834l9qJnk.H4MHGcQ.CAzP8LspnhTCnf0LY24ABvf6WLzRuLofsyG21NDw_PhmWcsBT9frDos0Ch8Fx.BdEujizcQ8d_iIFEs0uQbjXupYCrWk3FWLa1LoV7L8M52uRbQGaeTQ75OemiaSQ5VANM2CgIB6Kvap71LbShYM8Z1_Ngs1HzP3KhjrgMo.erBL89i4B8_o6x1VdwRyyeRtK2Bpgtm5eI1RI.BUluEpZMZBY_hZ.Hp6FHOw6JgFY8v_vFjw9NvgdPxqhX_mNfIXsLvGOfP69yzakzS1XOpuqVmvNvm_Y6dU73Wcml1XAAT3HZO3QUmRIgkDURWzpYvDt8ltXZ5_DU4XCFskfHgniXsTvMXqt_BUhgQyUuDJNyeyqv68OixuTrG2g3NjrVY08Myl74VcOLCHlmoA6VyIvs62qxzNzAVrguvsbSoTHkL0aZvp82Vm2cRl_0B_p4OhGyGnNbGaCmc3jSU5Uw8tD29lZVB21u0c3Jpj9.JTLaXAt0Ze5KQJuFKNEfPJIrxaC0NYoQqnb74Vs5qkDKR.nQWCVT48NyRWyX5WFhF0vsLMCoaIq_b7r7R7snkwU7o64mlEcxx6KCmsjy6wCaUGyKO42qOG6ZYFqn_ETxJTWjR.V8PgeVo89mnA2YZ.o1YTJN.PT2SmJFJ7_a675s5AIxEpepxweEz1F3YEqlm7LYnRFJXuCz9B3u3OXroA2LpQZs1aMBnGyQgNOy_j0WhI4ZyCgJ5Gpux3kJntikdOAPukfhCdPfglY1MuHGnvRp.yY3X821krPY76cYru1i7P4kvYnfpdygW.XDQih8rSOTEWENthbWaMDWYOEGcWhpQzlg90vSDfAhFCKpkBYda2rMN.ygDGOdSKV1QadQcDe7bpDQlg3QYpi8gXxscq2j0B4sBZOAjl2qhV9C03uKa3VfO8DIuwzAMA5sNmmXk7n6tHriDyOhSVeIzGXamKGQu55h9eAl6O6.nZM5M7FKY0_zF8k7ix4L_00Yum8NtTj0Kn6_F53bOVWW7Jf5u9KozrPIDWyBCui2qle5Tw80vGhEiFTKf42Bhm9HR2fdQa1dIA20RdUjmipB1J4ttq1Am52GaiqW3D1h0g_8cpdbvBwUDiX6JMkwPKTvaZzziwajo4YseXgI.iVyf5h2mG_aN2lyYTKkdUxVfu2t1TkmR4dPDtS34d1JyFfgwiKskDNEi2LmAnRTDgcGqydEkTuni0WnBRIX5zFj8wSe7PXuU5aK2hjoywziylKKFRoVCqIzv.IbfUfPxJxQtwlfTFSl1kpNjycs5v0Ijqo3Bl43MYYpCDMnW0TQY.73.tX4eXgpCatjKFEIcYuGgK.36xu6BR4.aizyfLzbR79dWzy515E1wftdBL8qHKq3W6TrADWVWRtvZ8SHdQaMC.uVgO1TnEp55x5Shm5fR8JC5.W9sGgoKXgWjGpWwQdw8wFJ5TIC5Lbwq_pFMaPeujs2QoP8LK1TlBT5U_372cO3TtL8Rqc6CMOeqR.m_EsDhjqKf74mXO6KdrYd5ykJXp9g8V3Ev._sHgugqUrXaC9EEwWxipBzHeCJIreDjToD1VEwul7rYj1BjJB2vG08m.PT2o5Av5jj7Um3fRbb9B0VGokbnmpUp5BKHwG2yDRJo23PJ5rBGgNEYf9xbkfFadoQ5Rbiq.r5gn24zBdUS6L1_CbG8yRgB5WuenI3HYA744wTQ2RSYT1G4Z1kZBzHiiJrdTeurnrYdCbfKFnLan6FM7hEWQA3",mdrd: "Vw4jQGVnfsXKJlqWGLabXd4MpBZdUJJ72u6agj6s2is-1739394556-1.2.1.1-mSaVimE4lpZp_S_g0dvrbxHggWTA7A_2NWojJJm26NXBtU7tpBodJvX6hSwZd7o6kvn2IwzYUPAlZN7Gt7YZ9C1iBXQYEEaGO6T2cNwoR3f0CU9l0HK_NHBhO9UWD4MwXLvS5PBduwu9RF7Y4jFNikpkkzJISq49qO6SkL8xHruqYioFNrrOJDOgbjXJAXTlNfGuSi6trhrheqlnL5Bg4Dh7quqDRNntq6J5wgBAmK9F56w8YL_47IRPR0F4IZW89kxSAnhnv1uSi1Li2rR.9sMMiKGJN2EScRXNZzFweSiZJmrjWvhf3IWSHhAVzE8V09lqdIG1MDqVyP5EkXjNbIiYOKi3H_Gart.E1vWHwbiHj6rssK2r7MN9L7xZSi6ZqdHpktGSgc9sKyS1L0xldySXfdkZF32SoKVJ_5R3hDpd3XoRzSUC0BprcO9IdKECNtUFH8gC37huYl_zG0IXReC0u4rwDscHXGibnJOdQ5NX.b7SV7pbKQWs6EH3prxUdTMv1f4M5OO7EzoBAQmrFmFDcXT1Tx0okVm20QJF0fg9izopIz3Nhfl2cj0f8B6FD7Nj4BkbnObLGDapH5DxVGdyLB3uNlxG2hzVgFmy9l.bJmklyEDyB.s_5NHkNEqDt0fINq4DO1N.5YiNlJv4xtZ3kdNZkVeONtbnJdFbQafUqr9b1jm__TZipCHzkZyuu5r1qJ2NmYoiFgw261DT3whUNKJ293VkXPVL5800FLrpyX4V7p.w0Wn6DT11NE4E6LQY16gNXdGgGVm8E7YWPGwV9u_jZGIJ3T841hk5Ed36XdoHexck0_3WgkIKVhWDYhq4hcrKDoA9dvxpWGOwhM9cBT5C9WIIWuDMFch.g0mwRRjKVTZKQbwkupfDqdeK96us5XYmS3lpfgvx5Zd1tcuwAF4WsuB.gnAq9xgiOrlgcH3yH6xeD_1YH6hCecDhuWZAg.krvb4jT8n279zCpsZSBol8OAzRBCh.tc4frhkqST0b7MMT69jAXPKfl3aK1VVVdJq6OxoXqzInjpm1PUP0BACoTksZxJWapMS2fXIkHf71wu6Sa9vPwZmVGk206uv1zOQ5vDQxd2N9k3wHsM7qkIUsP9Fta9CsIdiVtjGU.eJvd1F8K.XaWVEJD2rjzLEssiIT4.DCjv_7B6sxhgTdwAaUMV6DLuy7vHPiFqq2ItVPzV0cssaycDL.fyITvjfkZmhHsrKF00eaRXSR40FABM7fqRJ1mhxS7YfvG7FB5nliO4smxZNN3pMa8bjXCoOE_aG2BA66pvJQICCxpsRq6oZbR9Mv0SgB.Sbh71_D7ZqvRpcMqqQYmv3Q1qDZFSfj9XqMrZwjk1yfPk9eBKcKyHmGGdM4pif5r9uHwPdNY25rdNmJHiAvsIEJeo8V8K12CVym_WCjb5TTBzSplfHqB5f.q2W2Kjc85AXcJyAsu9SL8Y7s0FZhA0mr8hNUZOuEFofBU0rqCg_VGbWW2QwZU.BC61o4ODPUvLY764H2Qa3ZN8JWibUiOvUKbLnVuflThqM1B5G_9Y9fbqLaP4FzgXFGUhgy.bm..zBw.7M0ECdio47m4eCiJZwYCVG_RGnZ02.c9iPmSdz55mzVp.n5QnqUOfe2mlR5x.P9FBkNxk5uyXVFUISmzQgGcr2LD3_I4rPDy2geaiJsTa8cWrJqMrrsmtBoyXfwKDNC.lckPcpi81CcaFecLB61x9udgA1yonlq377ZWlR92qzt1BXCzKpKrcMz6qunGypl_5jP13qQX06hWhVutVOI.3WFe8b.jb9F_9kj0CETbU.4lSFR1LzyKVGH697TZqu44vI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8f0c3f39242d';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\/2657381490?__cf_chl_rt_tk=9yMwiOx9R8FLYza2miD2NtOL4ZJ5So_m7QL8HMEoruU-1739394556-1.0.1.1-O1jeOxx7Hf3ip_DqLoHwQKnFIFNcd.vDuJ1W1QH5Qwk" + 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