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-affh5u582.mit-edu.top/post/3684259710

  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-affh5u582.mit-edu.top",cType: 'managed',cRay: '90f83179394005c4',cH: 'WaBHboyp.LXeeW7sgeRKPaIoODA_mIWhGXRRX8olGSo-1739149551-1.2.1.1-JHPJA6Md0cjVuAsVHxUa870is0.iPpFj3cDTGKuL9do6UiRy4ciRIjJwvkNsmSFw',cUPMDTk: "\/post\/3684259710?__cf_chl_tk=IdnKQn0qqF3Hd38TrlmrnscxJy0frWEzohiGSCOYGW8-1739149551-1.0.1.1-KV7pPA6.nFZa0DQFvhyx1s_OSvJCzVdVd5maHD.OZdk",cFPWv: 'g',cITimeS: '1739149551',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3684259710?__cf_chl_f_tk=IdnKQn0qqF3Hd38TrlmrnscxJy0frWEzohiGSCOYGW8-1739149551-1.0.1.1-KV7pPA6.nFZa0DQFvhyx1s_OSvJCzVdVd5maHD.OZdk",md: "MkhdC1Jay2sPSuvGgcFhyVDEqHc2PwC6hRosAxdLKWA-1739149551-1.2.1.1-xskA_qfxboJvnjPvS_cooZy52PqGLquYCqspODw4bsyn7i5E0M_nmTuPhPf1hCAkPPHY3efia8A1qAsadiM4zfqcH3ecWrmft3D93T.3sJJ0hxCcbH0VqZRQnobjJJXDulwrDx79fD9RMbbvzhmZSoFdn1g.utGR4jST8jdkLhBACleTrceNRBVRtomX31omcprwh.SbAy37G5XkLSYcGEt1Bhqa0zv8ECLWV7.MaVXG1N25lVij.2XGJZ7ZC7eLy4ifiMFGDucPsIQe2aKnZRQorQjK_OetF..u3iGE76kNK7XZP77YwTkCoOuxpFenSs.xvYxHGpff9hBxlzvMr__D0pVY4uR.qdfW8k5TLU2CCHAB8Bxa.GmHf0RQBLRnIIc4wAlp7trfZQpE8Q7xNJm1t0TbqFGIjVJgXAQvKvtSAidGNnNUTHJ_pFHWWglBJImQHa6kwMWL1Jg1LneoOOJHnAKs3IsYapNM_kQxOCoquMpUZgNPrxKrvnes9cxrADe_0ljK3T15uNGSnI7u5oFWfghWjdQdaBCJqqsNcXZLu04sRei6fBkYQARErYznmwuvTq0vnVC7QTcdTJ.RacMqdPivLs1S6CHKNVvEhycfQ8DSYZF7WdkuPbbUNQ5HzspZOY1oh0PVx8r3AqXZMJ9KiA31lH.WMeBDG2nu03CxiDSDVsmy0d_zvhh_dNcn69r7JS0J9HDe6cBwR3nl28YxPSpQhGiF6mJs3hcEaPz3tlaFQMm5D7QoJIbtfcvHYo0zn8Z0H46MaflwUC2i61_n_wci0rHwOQRA4_i9Vf1qdEKWQ4i5ffxfC8NonclKDoPHAlSi3hrA0A6xpIwrSTBRnEnlGM7Sg31cStUFBOzcpPCPFo2R4CZBG_sadV5Q3doRlD6h1Up7BiyF.9244TG97d5hq3YfPQNSyGB9APST52kFAluYrn6LFfrGr5J5noqTOFr899YHEp3zyGz0Obs5txCqjuePkRfmC3PVRALWW2J8LgdckEqZFCCXMM1fxSfs6Y1pO5tGO7vejtMLeVrLW02y4uUNuI7R3Chxt2zlSrkdeMEu0JxSwF9HlGueAukvPXIzUKRsGRpVKwdDmX4NUGZxmNPrtbjYDq6PL72Xlht1MLxQzVZJljNVj2xFUcaIw80nWJ8WjHl_gsWVVMJbKnq1pH0.EtIt0CKSOIKRvSUlXLKrmleyvt_uoPlSiXlFBLbRZrXDJJIv1_T9Bqr.TP7EVBilEUazUvzClnttMGiQZkGk8V.OSr4jFmhU81N1eQKsGPX95DOae_OY3GOYGmgjzgfsHzqJlIqQa86tcPWiDLf6LfTLpcIR.OmkRK5PHTvLKt2zvmiPPLlcok1PBtNd0wfMKvUgEbisjpotkZHv3vkTi4aIdB5Q8AHyo5A7w5A3DBF5Vr.r0EbF6aONRXHaMyZvOXfu..0RuZ96j_9h6eRONLw6RSlb.7LFDHrIN.BaBDKvm.7g9vToel9.puF0_Rj6vUWi2Z3y78R.fpzHG1K_nM6kdVq2swQGb5L1s2SeeTUIIfRwHEltT0a0V7YCdkzCAJTfAG6DSw9.UWgG0wsdSCAJ_lMxp7xdL1wG43CA46asKhnzEwTmNbr9OE1_UNu4RrGk7b6a.RVSB8wJeVdnefxgp6aI7jUVpL7TPgcQhtTcrWCfTDbV8tJcLTRjpOclC1s_pr8n8j.uHotRvb8pl76z_PCJAr34Jxo8Rh6trB7cg2bO7bG3CdIYxqI9mT6W8Xqiq6I.pI4fX9_KY4HRYlQHtK7BA_iwdnB5sZyizl7Ef_IBULrs6jJf3Q.KGfsrYBL2NCxqMU_1q_npzHAizxz7H6OQ8z8AY0.pSM2ODxpU1OETEYCa3Bi3BQcgdEMRAgheqdHT5A_ji.E0CHdt6Bz9H81eOQx6_PqaCkIMk5Dx_Q5uaBnzn.7x4EEhwrmg14bzvnE9qSMqPcTOqRpVlOxhPYlNcdnJpNZnQVb_PmChFAeaV1Ybax8d7VKkPK_jD7r7JkjBHfFMadg7bpQdCbCevf8.UOcLtqn1fMlaoo8UAxMvS3HHkXYAjgWyxHoSrJ4mAC_9EODzCP1zZiVHzfStMyFhaSZhGr.oru2ZpznLxAdgFGmplqfWH1KPav0KqUR9Plw7qV5GlW9T6bWivR3PBagA6VDMt1_CyjLAOmPxpX6dT0iTWu92n5cJEu.hqnKAzOiEOyByGhmuCqWQUTM0FI12npWN",mdrd: "u04Iu5K1MQzkXZGMXMjiqitInpjSz1SFXgA.Jqb.VVE-1739149551-1.2.1.1-pSJ34FWGI7c1_Ox234YP3DHGY2LDkV2zTRvIE08xKHjnvht5G2tR9OC52VK5SYzrEh5pXdEfwidmJno5q3t57Wsr_YrcJdPzci2Rc8TYWUzLQk8C_d_K52Z3GKbDpH3CxOwpYl8qtYAzohIWAeW17F14Ce08xL4LKbYZX8.w3yaEIRV1Pwzwkx8PbeX5vbWEriuGwGhA0w5Y0g9uO8qMrj35sfgKFluf_8C17cxZusAvKtNvrD8AMH.MgHROCjyTYSrqz1fh3LD7OLSuGEForhgwdFk2F49W_Q8R4fczWkao5kaHwlE3SmWSr51AUSDNT9dHgjVZ9L3a9tWjg1CIecbSqioqtnJxZfZYqsGkt80LCfcUKu2ccn2DS3JBEK0RD82vyZwMYGMeySVQLSSpgadDKmSe.G66B9VNuAPBCBcWiWT5xpQ3FbjL4zAhJ_eTLsfEFd5e069BeEU9qhcIituyqzZ3fEca4joJGKx6uGuhMJVwCxY3M8TQfEfDIfHQbMmB_Yn.mwUg7962Iq7yj17V54l7jumoIpxZaPGB4uL9zoiY4ECb_cRnvym37Rsnh_caHxMKvhNI2ZtPVMYKtMnVd7ErkJ5DZUO6smxpZh41rDov.tU3r.UK7MchqCB09X1F6RkdZxSH4o2frjsD3kp3CV1IMuGyhSZfxS91m9u78CdAU_fVp1PTW4v8wjjTNR7Esni67kVdplxwpYgLf9i7u_dPV50HuFNxjd5l7vkM4xWdhfK9_okGNdNKv3T3EICsoIdZ7Nn0pI.WFih.l0SOmELjt4ZhZnuegRNitgBVkpPzG8YTi4vBZrAlU6.XZ4GwJZdnj7YkryAmfu.WZxDTxW_nVdXPztdiUIRYcaf2lJaxdCT3wQt30fY69_yDj_O8gBvcmhAruGXNNC5KReDgFB1bOKlZaLiWFJjx6YZ520Zo_xeMw9fYNqmqr02KLjlyy_E8mnkfCz7QInJ8M9K20jvHmO9N9pSvfJwnfJ.gG.bNInWCPOjMjPnn9PyhTA1R7IZHKA48gWAD0OJpVQGNawPb3YXQRkOW.WuMpINKcKBa0ic2xlhBBBHddihexuGetXf.fVhA23YD3VhUy.Cacow43FBGd6Nam2_ttK7KsEKYv7HOkUS17keeupkn8PaF9FiK6RUe3Fx9RXkoGuzAuiXBCiYn7YfWb0W54nZOJMNq6s3sMN26zbAFZecP3iVhP7InFklGYT13P.YmFWuXaOWfDOi3Gzbh7.WGC3fztKiqUeJ22S3P23xtSXL0iYiQli07EpWpPX5xH5EP0FSUpJzuwu7rWOzdZ49huNFCS8WdSPpyRp80K.n0ss3gfr9A4PBBuxypc3WvnY75KBkFIIRbvA7LfslOXXMrEwdJZ74IW806KmuQTlQGQIeH87D8ViCTMZY0DYbrdlOqhvr7jSoFtDG6TDySu3lQfrg03G1xsrKr4wWc_4Y2aoMeJSL7tevAXJ_k67sq8dOkvmqUu9jZX1V._DvfIGgxNlkGxuYEfQueUOT_RtWtNKSSSa.uIZnKCja5mTcxiYRpWA.VkbOeJ0ursnPhmkn7KvaKdETJH8i4e9.AdWc8tfbuV8tPzPV5ZpMC2i4vybAisFu3QrGR.pCt6tytYM6fFr2QNjmky3lTUhTiO3A5QkNkKYrDzCDbE_l7fvkfH.Z2xksKRRWXKzHQhw4x2nryfaEQ0uKOEkEaWKVG7BGhmk0kzndULjKRwi0dfj1b67UmvMPVmHmi17F.i9C_yXwWQilaZ3fa2uQ45Bg4Z_Dl1iewdMjozYTATM1uz9C0xlNQTDGx8kZPmflQaTaHgl0Hrt0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83179394005c4';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\/3684259710?__cf_chl_rt_tk=IdnKQn0qqF3Hd38TrlmrnscxJy0frWEzohiGSCOYGW8-1739149551-1.0.1.1-KV7pPA6.nFZa0DQFvhyx1s_OSvJCzVdVd5maHD.OZdk" + 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