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-239603296026.mit-edu.top/post/0359827461

  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-239603296026.mit-edu.top",cType: 'managed',cRay: '90f7d688b9527f9e',cH: 'Q0O5Hd7vUtbsZdL2vy8XL6vKUNZCT2Pi2ubD06_2BdY-1739145826-1.2.1.1-MMjfdEuLwjMf4xouljjEvY7dSorctb0E7PjV5aL748gHpFmTwAocyc4oc5j9gEaf',cUPMDTk: "\/post\/0359827461?__cf_chl_tk=f6mIgYDutvD_Sxv7gDIIE9NMXgAVSAgxmoz5kuoH74s-1739145826-1.0.1.1-YnQQ2QST_Akkj2IwsxXAv1vsmq_JZPBpvAL8uUrGVXo",cFPWv: 'g',cITimeS: '1739145826',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0359827461?__cf_chl_f_tk=f6mIgYDutvD_Sxv7gDIIE9NMXgAVSAgxmoz5kuoH74s-1739145826-1.0.1.1-YnQQ2QST_Akkj2IwsxXAv1vsmq_JZPBpvAL8uUrGVXo",md: "0ozphyUF4AwaCol5QTKNVHv6nFjsa5KAR2EJbwayz5c-1739145826-1.2.1.1-2mDROmCpxp5r8tmZu85dl.9EqYU3K9NeSDQf91iaZBbFEccTLdS3rmzMGExnfKEJHtBm.BkIRl5ju6iF5g6uBymZrBprXEVflDbJUI2NizmbFW3EwRylCDTKEZA9FqIYqU3SRES_7VBJcWoWiLJjdIE2GHw6wB4AqbnMc39AZQJt0V7yI97X9zfMSd.cxWEbC6qJuDz6rjSq_a1G6VWM0Vy8eR5GeaSvYyQywaJzvulidiUZwubP3AyY79erd3vvcchcBJrBPrDoCK4GNe5pHA1KyaaaoQluH3ZIDxM.CBOyc1JY7PCgXt1x6Z_SnmhE8UF7ZPnLlJAtT9JR6tp.G77ZXhHT3.SWzWfoNO4Ffp.2mYDiyUSfPt85s9DpvqENEssbRXsotpoNxFakqZ5eOWV7WO6IbkwOu._RryQMQ.IPbmIcDkWWwltobm343VlEGuwGfneMYQSfM4KDCvbmqmJRs8h2sE7kdVq0c0so.naftqR5VmygJuzKtO1qcNFsrkpCSVR.FrkAcKGOhwshSrZc19itdnMWAUqtUs1hVO7eLlIeFQFAPhDMtAQZ9IUSaCuTFS6r2xeSnTVm29kS3_9SfduROSFE7whmDZQm6LncGj7c52LOl0_86_9SBjLdGtlmELD0a_CplyVtPujVgutayUaF0VuQaUJsDbHmhjDu4X6PfoQ6Srkw0HUpKWiWg6Upbf828R.54bfUNspg0Y1DGR6ZiINT4bGIjieS.CN.0BkXeQUyFVmsQzFvZW5tiRkPtQQxglqQvHg0q1BXuUzm4tK5WV2qpEhG_1spwW__6zz3j_ZK7YcGVc5FiXlk5qgdJNsApwD72dohAhGYoDMTuFSMLn5j1a7d6tSB_JSIFMjo5heDCGKUHR8NPyt2q_5nX1aq2qqxukIqEIy6wpAODKVSLN50lLYYVmx1HJESwwyUT2riC4sorGergL5Wgo0sIvJV4i3cBw8ucuh3JVGGUh4gsJaHP7Ft6G0SlSjnmfinZLIHtn3V5B9v5CQWHKnsB2YIJgYJargQ8iP542Y8OL8lqnZ20Jg.ABnCRLmX3C110VUspLjMTUUy2t0_bEtmoxjsyzw0baV4I_f.XMOoqxN_iaUCPvGmJvbCH3zY1.0aQPMvvRD4zU8gznitXurkZTiNldaBTTBXGEN_Xk3dDDXeAbwk9VlMuvhCNe3rdDuP01hDulDro9INWKNoDyr4O4Zpe7fFfmJVmyXJ.GLVU.CBNPnPe0f6jxx_gEw2fPcZ5TQ6NiyY8C9VcazDpCbAdvxb5yVFglOvO49O32SySg3RW7q.CtYT7lRZl7rlnpPiF68QpfeGtWtlVlp31W2suRavsPsQxOS4iwVQ8W9R2TRTdIr7uy7IW9xImHaFtsEkRw.i.pin9GcbpzJNu2WkLa78uGA1AFvuTbylMSK8XY9udDeFEK_QuKvuFnyfmRWlUSnWXoHWKv4iZEQe9llJKXwvdhiD0WOUx4OsIQgfuG2y9QP8RyhQaLvqOtUM3tjKK3xq84wyJd4Ni1hzb_sVKnC25U2QHB1VLZbEmAgPVkS72PX9gYnKIbR2WMIpMXbKqht5m8.tmCZxPAaEIpw6botdFJ0XU_.kzPFy1AEG2p.nzOBYh7M.m_qz8KYodJFpg.N2gw.HWk_j6u_TdVqf6D5xOxAt.Zca7RJDGV9V9y.j_v_8CS1mmmQdL6hhigAUk30uvnq3p.CzGhE7iLMfeFQ1nt5aQoBS0WWN4OKQizkxPyEM7W5T5FgDQmKyc1kh6Jjb1ajD018eGiRyJp3CjvOkSkdcAc7V48hmbGgjACQUHa1goBEKlg6juNyQLpPiHa9z2uM4EDZIMTJnkPOypL7lICwcBh5V1Qsv0kt9JaTtCXsnX4F67DZ.2SoLe9FOH8vmKCpllVVsBB3x9ugLqDJV_cFmgEPOrLm0.5OexWnXTCZARoonz4mjEIcKOpGMYilSKMSCksV5KD7iNAe78W82VpIVqpkoa9LIdYdfMhMMVgxVoCiHHiLWD4uL1TeAYd9ktoDyWIQBV0w5dYBL5dsfHoRibLsiGk3jgf0m7IEayGPTgv150SB6ZvvJMR1c.XHgBFMIwi9YM335aecj0FRTTE8yNlo.WTwBwPALCPO1xQazwi6syXpNM.aH3hiMdEljddNk6zoqnlM5lXODi0NR4a9lYMCHJNxgPk97nIbo2hmtMtPeRFZeO0y.cUDDtzc9F0LauDvCOjyD",mdrd: "UKJti5OoKCZW.2_r9ixDr5ccURf0amRYvaHC8xtiGe4-1739145826-1.2.1.1-sRTnl8EN0JsR1tYwH9RQLbV5NFjUcu_V4LBHJRsB0dpLDzHcktyHmW3_U8yzeBJKYZQKFa84uZsPKoZ4iEeCAIovhczULyHXSzzln10PuIvDNsFzQKXrPxzMI_VU9iBeDNxwYOZSwvIyuAmcikNcHO.KiMsakWbd7KgzsCOk9d2J8FR42AWhUyjcS6M7U5pxhx8FPlGtbGyNaQbNAuDlyAk4iqlTNV7uXLLjqf0qElJ5K1D.jLoU7YGMJG7Ke18t03Qtf1NZ2rQxMQ_VJZiH8xm7yiOwBl6b_bvscdzsDRR1q67T7Pd43y9v5A6fIKYkkNeCUejw1ScqYxpM5azWfoZm6JR.tQY_Mey.q99brG2mawp5Gmj7w7OrnG.Xexj7Gx18hBC76yOeZpWlXKI2iWq9urzDqo4urDjLvGZRpIwkX7l0AEr6wlYztBO3EUfc_skAj3ENxiV2DXiXBuiQHueGCPCSEe7A9g5UvDlSxSkRe3usN_ciOMbjbOUmc3Qg2sqdJFRVkCD1hZW4lvHLtsq2iTr1BS0q04F_WGFlVhrF.a.SnWQxA9ZpGLS_wOUXzWERFs9LTb2_20fVTF8rBfHBcTda82B_AqY0pqvBQde9EQJijmnQ8IN4btcXUqkOFvq.PoK0nXN3QLM7pPoXLQQmn1q8DlNkQU1aOnBaMxCOQhOlJIiKPHQTYERKvv58Dv0LFUkUe4zNjjetyWiU9ox7PdwjpIp74NiyIEnDiRnT2fpEymm55Idun4bwsAEvzwOGUH.B5vEljBOMNOW3UJv2B3ZURn4joPw7jqwtbsq1p9nIEfYviYsQ2xCtKGMzB636BObeS8LqOgbhw2SqmiKRhDAr1UgzLoR2fJuHg5DuG2cSDjryWiRSG8wv3EZkToXIJVW3KaZx2i9BMTFyEnEi5ALYV1gpzE.WkVa27UvojdmZhyMbHiEdCedJRsjXstewygxjvfbZ4eAFzqOtLRUQ.EEmswzcnbuVrcyp67aBqA079gSDd_MqaNJ67HNcYko8ne0S7FhiYk8EDXwklR7CYoxkQLGmi7QWFBDW2aOGva5DKS_i3SXwAFxK4Vl89fEZQyT0lSa4_lTCd3sO_kMOmwb.FUdZ_kBj3VAWlsY633Kl9SCMbvqUL9tcK2mPd7Br7QHhoqpeig37VkrGGXI7b91w3vX0g5XyFLaz2.e_Xj6wk9Et1fMWA8qi95c4qHTLjj_RR5VPUhJRLmRKSa5obag_AB_1debAOmvbywii4swHIbqw0JIBffAKhCJsRhfOcH8TnjxoBbAQeG6TIOmsUggGyS7MkORFbFnM6RTfVvU7.EMx4KjDn3RnP9QX2NFg5Q99cZKRtgQsn_.yu54mkzGcEKrHHnQAaQ3lelsFq9P_kRnAvbSRQlLjHuV9hdwrAuiZhFpMgaEQxc32g1Y7g.WXtUYCdRVWOu4F7MJhkt5BAjOiF6sWdnQhBfQTa5VOuknSCW9t5qMIg2oO3rqH5_kQTOwixnArOWympnQ7vF1z6c._UGBFPtVvfTPUEH99c.hAmvlBv8gjWyQ5YKcRpX.kCRVu1ahsajwdu_q8I5oBskJmgj.HmswW6f9_TV6SpLwMOTPT_rAMaT5BJjOXk88YGcFM9zE_tSP9gyMEbDOXidDCLMP3viHJbMp54FftyVYeIgscPcT.M9c54foNdUzQQPGFrv5Rz6ZcIrV6T_xZBB51d9H.05r_3M.V6k4hV_YgUmUnilgIkYOym7XzwRVaZ6rAetR2yfRcxb5OIkE5BrD1uroTN1LGLGZ1VnE4x29XLWuc1R8nk70N9Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d688b9527f9e';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\/0359827461?__cf_chl_rt_tk=f6mIgYDutvD_Sxv7gDIIE9NMXgAVSAgxmoz5kuoH74s-1739145826-1.0.1.1-YnQQ2QST_Akkj2IwsxXAv1vsmq_JZPBpvAL8uUrGVXo" + 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