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-707424157784.mit-edu.top/post/4713829650

  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-707424157784.mit-edu.top",cType: 'managed',cRay: '910aaa585f140628',cH: '.emDlHMyvsgyDLtg8W5P5yaggK3I_8X9Y5qxDgT4xq8-1739343246-1.2.1.1-C82kNys3SDcOWJRqWkojTYKfQNz5JicM998TflVsPNu6SgKJ5ROHb13L_GdA1SWL',cUPMDTk: "\/post\/4713829650?__cf_chl_tk=xn5vJFX6Q7aRBY_a2ktJ8GQVhqpCyhuMs5TXqHDNBV8-1739343246-1.0.1.1-oi2R5yCK325Prp2nWWU1mCeIr.dMJ6tfx2w4wkSK2V8",cFPWv: 'g',cITimeS: '1739343246',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4713829650?__cf_chl_f_tk=xn5vJFX6Q7aRBY_a2ktJ8GQVhqpCyhuMs5TXqHDNBV8-1739343246-1.0.1.1-oi2R5yCK325Prp2nWWU1mCeIr.dMJ6tfx2w4wkSK2V8",md: "aZKTiH3Iwwqn6KQPRSi91_baEanNjBIFwIOmvnGsSYo-1739343246-1.2.1.1-G3ig.qLmI8UYtSeoY608bNitfl_a4JFKE.PyG6_jAMQaTTzIxu_mu8L6wqN5vaWwMFMUJvXBol4W0s2EU16hIZJAtTT5Sg3ye7jcCLdlaphZ3Cbxsg3r7dg1eECaTiObV2vg14j.S84b_o7mh1yvFd4CRXRQdq8hH4iJXv8YgkwDvV9mIqLrxRw9PuYbpKePCBcQNm16Vg981Ho_TxJg9dfOtHf4B5hrpi3bDguAd0BAUoqOruGx0TkxAbabIRUC4hT5C9gF7pKe9k8D3cD3yKAk5wbF3Uqr1_As9w4wGtI1eG5wnGEDMhOT3nmkH5H5a4SQk6BUaI2nuflYBO3l9WXGrd1cliaQJzbEg6sL3GktLIxNAxwPudacnoITWI3l7zYQUm5DTl.jTIZV4d_lmlISwkdnRES_Qa1nUcZEfYrtNIJLG2d7N3sVBX8yDC3fGo1_9P65_1Xwnf07Qg.B8Ba7bPHYW36L2cGs6fAYH1LITs97xhUxoMq4dBUbD90GWujeX.1qw3N6m2FAXtXzpVbur5HK_n71zFJgtEDkR1tWQGtEhiPschqR5pyzvdfClTP6OvkCjfdKHec6bLcxM1yC3vgrP8DPyuDtwbcJZB5kj4PwjWrgnf0cY1_BksxsoOMJJ2JfBqZs.kIlPTEoQDlaZomlpxGH8GwTSWprleU1HUNSzW0TJaY6vcfmU6.th7pAX3bE_j0A7OJGjFvuwJ9_XLsKb3kC1SlYHCjt6NaqsDunH5pG15fH5cUOrpev83.5Qao8tBtG194FZpF3yj6EO1RIL.NjknWf1eEd6sIMVejn1CnTxnRLsXnbgw3ECXcB__dGaH0dDQCi2Q84D_MkMOU8mPNB.UH1ZNtcKWOmo59DdqLdY5s4_BDbgK71hxR3MvF4fUnH7DAarvuW8o_0p2nxy_tNtAnqwMEllkSGdrOpkEYBVc6qATvx8TFiywF2UY1pPAjEjjAkAIg7UJJQuFPgzhokSXLYiDm2pKOUxmPRRkBF_MHsYXCXTa7XgsP26Vbn0n38wliJG9rj3dcNkXc_wJtSj7_LYEsx.CdDqAmkhMaL7v4VMOnfkvhl90dUV6K6yOBn8JT_6s0LvXj5ScHmZr6fzEHnfTBgYBH9yFQ3GOao03ZTVaWwltzVS9CHvfk3cy1l76WbVAGs3OEYjn0l5XZNHI46ngHJCvwASYrJk7QQEZW58PNbF9vtfuOxiPzmpqkFfCwMYGDCcMlL1plvVGE05JiUXc3I0vI47.WqOfWk6QCy85rjzPX5HzVmaW0NNN7Zs9O4nhJ8qKZqvF_2N5RbsA5p1w.cNj67ytiQH0GiSnKZaMvUst37GO8Kpi2OY5ke5Edcmbz.jCN_wyI_TC_F.SEg742IOOP_CPUmAVcWHDLgzMfSOqOObblLCTrfg4lnGSjauvLszD__9gGULEmGeftRbghUOBhSWTzOkDVmL.g0_tBzF5mTKVmJGYuyP1cFnKeSn2YONWfgo9c8KZGKagcHx8GiUIKE_JWqS14m_tg5._xjPMuXNnMYB4yyP6Q7VW.9469utB5zBdEf5_2O2TcFyB6oOQwF.XL3iGv8ot1uN2OE1ZLTVgvJP1656g8QLVSyrrNyRONVBibp57jrH0Om_aE8YmWPqUm.i_kK_LPUd6sHKP.Gc1b8JkYYNi4ZoXRL70jcsVWEPt93EKsuiFM9354ss4FGqkizFKLvyKjLoUfgXE_2Wzdv.rYsGSr0go7oJ.m.8LcLQMosHkTMzjvpR5TnKbLkWJUMDeyw8FFHooU38WR1v25U.Mcb03FWJWrz.Ngu9icrMYuXJDuIMoOiojL9suxA0c_IQr57.K.q7S0paAxFhFMOFJO6LNEhbFtb85zgLcM8dNAIRAVp0ZG5rOhwlU7ZVnjYUL7tcihltWjKifHW0sQiPwXdINyoOpx87Bpzc8_X8mvGZb6qDBRf.WqlyW25OFOdaHMSddh1rOxUz4adiTs_THvMHX4ZKEzPfF8FeYFQ78wYuzBvvCMe0AWHBN5szeTXHALGnTu7Vw7gCZlYyCAESADLobNHOVqt7dNQAYbMvIbDic.WOqC03VrYRV_dqGbJpV0m83sOKOU7Eoc6oAyq3v29lNYkEGIm.K8EdiGi9YqVSaYCfNd8lGIIvaN5QI8.uq3ucJGPPGngX9vdR_4cCDbeG4kY8yLPSOROCPvLmkWHnj_vqbNhNMbqpWLdFB.tizFtd5VekhsfdmMU",mdrd: "4B8yYZ2BNbdLuHhH7wU9_PDcl6.SipwD8g8p_qIZ6Qw-1739343246-1.2.1.1-bKyvxqZ82QYgUzV5gqyi62pERs.Hs1qrJzQ9JApmU.L.QPW5D0KFV68ig7yaDd9X4yK0zpnpOEXBF6JwfRL0IM7RL.JiyJOFe8tJH4O2eadnZ8HkzQqBW8khRLs7Dw1N6Av3sjYMXdTpfdbReNG9ueqjjq4jrtWvXSYd2G3Oa3SyR_vAVAsLwrqS7sO_EojYS.nTUG_5A4xQCxhZhEYfswONfR0wpN_.RpnGQOmc3YN4oCqoxnkvYtcEIp9OeJ8ykDeWJ9f7DHKSWNA.3orGy0cksXDKwT4dGfGj9ZYBsl7cWsvH1jPY5hSDK4yzsRtA6FYoKdngDw4sRSqNqhNbHa7HdGRzJzwwA3JfJSI4Q2z4IVr_DmDSS8X2pR4_VLa0Geb0c6SUoC18sakPmuYVJ6qAMPnF2PO2T6_T5c3hGOowTY2DN.cZKVRKqxAFZNGrytO02jgI_MtNTFFWzVkRCatzjxYByRWU7bcL7.lzNAocRTiQIlCeJbNb3fmms5I7IznUsIajVgAn_KB2pNOQny4y1gJxGVqX1s.qyH.lPfn7Pbqyk63U2gMm4GNaYBkU7tCneB7Li.Z2xhGEb7xOxc_AlG_37isW6lE1s7zALflI.upUCDx7U5g5K86WlOE1XH1ISiqX4b1nWYHB1CLMI_ML4fjmTRTJWXw0._ZUUfVvIXDP3zbxD.t9YJRBOWmL0or.cn9yltodRBC53ZSdxYOJDrYjCF.V3NVaUBIGaUNLJwPp9ly_42JgX6Pn9Hud2x6QFABdMmENfTdTxZcu2DftLz03tGZOIlnFTVoKFG2UCY_VgPmz71aleuEFMu2zWk79ffT9t0NqkFzX6krNOIpYPL6EAtczSdgI0ZixCyMBaXDmN1GbVeM.z5FGZyrkza.X8Pw.AL_MfUp4e8StkMrT.pnNa3S6jlLuGBmaFzy3u_dLImUYuUQSFxVTAJrUZX2VpSXLy8tly8r0ewstPJjvqbJSwKy16ZT0hJcr31MMr4xHQwzVnY4O6XLM7WVXwuWfo2XqSPuV0VHDCCTlJjY7pjJ6Ftb7FzNARCgq.K5Kzhvnms6stMH0EKRsVHtz4zNtfLl8TNM2yLlQF7eomYCUYojnb66zx2bpwgqsaNejlXqorDIAW3dCiIl.ZDX_q_5qZP.FIyDAtwq_cmfmdZy0I_HZrVA_GK_.qUNKEoIZ9jsUcoqOIkKCaxJ0_rBW2HWSlKNTS6Nkas9mCZRVvenKn8abiq9JadN1K48f_SV3eZtUMwTgDrOea23QFkTqoz67Kc9pYTT16iEJ6HVMXS6fcQD5QOt77rVOUrXFtOdUgvwi3eetAmfGasYW0miuQ9jju14jNvtBFHwwzvwYJTFBc_DQxpvUFN4Sr3qol4iQsLr.2jvHZH.05.pSvKRRY3rgGRZ4FNBK2KwjeBuRlYDm.Sm_yk8HWLkQDXj0Psn5wUIWbMltf35xDpYKD9zUQVktPsffHaL1NOgnQZqmbMYi0NiIJC4z_ByBDRQd3EXWSmKoQ_7iqlK1MdJe0brz.DReGnhx5EJvKAF1SkT34Qt_CmHCNkQfH9ZX_2CxZavV2Brrv04cErAmds7ZXrieVYFBT.wolOnb6LQ6cYoxAigzKuy7NhFkKU7blLe33ycHkxfuVfF5p_2xiwbBJaugmvDbvhAVHXh_5Tb1HY80Cng9TBd.o5CBDVyDL8T5PjFY8t1b7p6BuhTbIarzgYn5ryLmPOVBaUmc5DwGfLWPjIgJt9GkyAalI4Tp60sYAB23HkneKxk0P.m02YaMmHM7JGy5wBoyCJqrEPccIIkZHAF8jOTuDLdXLoqLH4R6c5YryDLOJy6QoCdc5PS.3i9c"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910aaa585f140628';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\/4713829650?__cf_chl_rt_tk=xn5vJFX6Q7aRBY_a2ktJ8GQVhqpCyhuMs5TXqHDNBV8-1739343246-1.0.1.1-oi2R5yCK325Prp2nWWU1mCeIr.dMJ6tfx2w4wkSK2V8" + 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