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-469892469074.mit-edu.top/post/4856179023

  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-469892469074.mit-edu.top",cType: 'managed',cRay: '90fbaa005bd78220',cH: 'C_c9xfTusGIv4aotd.7VGte8YR3UDobpxeUql_BmR2o-1739185945-1.2.1.1-COPjvcuoEn3c5Q.jZvRWQkamPI62X.zWyt.eGocVB5tMCY8yoLybg7tESeuaEghN',cUPMDTk: "\/post\/4856179023?__cf_chl_tk=Z6qnc8aho1aeU2AWG53FfKHrKciRlZnRceHcXQPkjb0-1739185945-1.0.1.1-9299hFrRZDfGWtJikLblxyZPNvgl6gUubfzicuiBgck",cFPWv: 'g',cITimeS: '1739185945',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4856179023?__cf_chl_f_tk=Z6qnc8aho1aeU2AWG53FfKHrKciRlZnRceHcXQPkjb0-1739185945-1.0.1.1-9299hFrRZDfGWtJikLblxyZPNvgl6gUubfzicuiBgck",md: "R803slAOJoqeStLX2B0uD2ZThDVjs32wdUUXH7kQL08-1739185945-1.2.1.1-EoWevAosMiwxBoWDxNLq9BaPiAX5qx8aNoUar8rvYsgY4BCVRgqa3ONl472rAFUhDbsnLxWFd6E2zzRcE2rNp6TqC96JGEIZYvAnjyC6ynzqOy0AhGDXFVtU7bBDDtSZd9Wed9YL7HB4iGepbFbapN1kKvYwbkh0mqMGAIUyVo0yDzbNDe4g0dnS53PkE7aEFVSMBldp8i3U8j.bqd9Xh2u_egMMV0HdFEcDGyZs2Vv7BhxnheGCFEo03LherdRHvthQjAoHHZ4fusOYdV9JnPImRS7sQz1PX_kE_zwhf0zEPVVubHt1kWrM74ZlKPlaDIq_bIERTLV.1X2udwwtdOiZtN8n80r_ME1YEXqqWHLKiISmP818n_uJydhAgrtjPena8poWq2y9Mw_zy3HESm_bNUy4uMGw.a_Sa4nOtDAVYmGziXalTWDujPzIV63i6AgG6CGGW2Sa2auoIFlXGrxfdX36mHXUjve3WHp0qLTZ6jrrS6V28UK2QxxnAgt6StaxwuSrmcC3f0.FpayVbXMrLAMWxo8BoSui6eP6wjcY2eZvRPKCjnAVoI75DNp6wN1PlmLAGvm7eff77rwX.rXzW7UGso0kB587ObDkyld_63PVl431MHUmbnstU5jpVQyHYvWfc5kD99rI_K7sAUyC4HJapV4Han3mGxgeTgZM27QLqYfIknluhjq0PtpMdKHY6xfzbFNI4h6cY_iajvHVE_X3mtv6KmB79yH12e4oEISJCYPVWgfBVUd6nNIkb3_qGdP_ZrG9DJB9fQW73ucaX7R9iZ9FeebvtDk0kMQ7NZaIGhafN9hnGvFf.LoCeyoq2w3it_dcmn4L52mriM0WTM28IIB0iGnVrfrnzuyoZrYZoXMRvh8ME2jJsCqQBskDyy0lEwOIZqCFs9uFvs6j5TIdDdfoAsjqjkAl.GrARFTc24UxYJz28AJb639lZJjCaJlPHhwGi31bjp6kZd921GRNqN2o.TuqyQCDf0ubjxFIK_2PXzNNaq1JF4yqm6yPB3_.UQXrWFjPF4If_MdOor5gY3gCkNiLpqNCr_OCw_4wFdmDrmV4Xh.H4c.GvStfk52oZ0BWxjdiKxRjX4pccmlrgkimI9WG3pce7tBF7kkU16PcMIolqpeDGVar5COhN09vGIQzluYn7k5h2XYKVPqw0uWRZBgBeEGUrFhnT_xMzfeWTOx4A22Xx3XW0GWAi_oYFVnwua8vhst7G20aAsaA8U7ntDBG8T.DBpvXBNatPyF19y9ICVkd4Rg3LD3QwqXp0jcHmBLRe3n1gfIqztA_iUUJLcSvL7Q0PjUmSPHnY0ZvoVywhGBngBbYBLA7g4NWJkBnmkGp_yPNz4dGcHSZG6e_uGlMAyuZc8vFkO.GXMgO1pny0lbI1Jj8hT2PP.d7KR2qUxf7VxJ1CeLYucZsErjYyNAlHhdDsV3Qdsgj4Jcn7KJ4s0EOnQBrjCp6KBJzuKiukI_xUQt9OiSmnastdfaWNlXeOD85fVFABCqwm2.Tw3kQmvPaheIEjjGmHI720AMTG46jBV2rpjzsjYwjzC0I8.XavzMFEql.sve3croCLzK_tCzKSQELQi4mgudJisZEy8gKjk4dzhUzS3zA3g3IISOJco7HqWIECkT7k_dfUicQzoQXzLfHTFhO6kVcIS7iGubos4Q.uem2D3i8MDnz46WfgcX1l_aEu4jLdOhKi7s79aOsDTN0yr_2slyOh3mhUxpEMQb1ejkSynnMgfRp_3leKBf9OzNGPRzqjjbWuHNbb8cH8a6SaAzgZqXqz3hFBdDpxStDrv5C_jXwtGj418Vuze3MkY9gixfhtZlv0u43tW6suSryJiKHs7__qf2hz1H9Dtf2VCUp9h3.tsYU.iwK6J5q70T6XoJ4GAF60ZAKm710_yQaGneHn5MjOus2VmItEZeH5BrFXEAdbC1ks85xY7MChR.E51wkc9qrVt1A5L.foKfjTfvIyBAIGVHLdGMnbwh1yCX84XFoRIIF7yXeMiOoyKy7TTgYir8JEmrKc26VIiYeDq8qqXG_BvXEstfkdCxeHJl2yIV4UTi9s4YVnWPLQvdpM8eEuDIx33y3FgcInELPa3uqA0lc.q9mUcn3EISbvOlTZW3NaKD.Gl4QIcJEA78c__E01v1lkhvYn4FdpSabf2HxmuQo1pmyZmOAzfngxm9o5Xb8jde90n9jTzeWa_JZC5_JoFVYcDwY2yosIWgl",mdrd: "quukoHDKac3S9a29oIWNZOJ0X8gTFGKQIAHcRO2H74c-1739185945-1.2.1.1-4AWra0nKumZEKCN_DgVGHoILuTZKt_n6674QWIkY4QxNxJ1MbZYrOmTNCeh7sT_eJZpRhNL.Mkj40Su4IQJZNqqU1HIljEBQtJk7UAwgIOaX.BGsiW17YH.XXysb90GSZsmenom_X58jBvEGvaq42oYnbLteFOH8yemajm7dJqNMwxYuQESaZijI0qfmOKBoEsPwG30m3GOvO8NBKSR.EaG3WaH35apXoSHAl5DW5AMynGVZ7tapMEB37Mq6oqsXj._8PnRAiu2Tt_YUyWCxW4Xm1CUsFwzfkHPtIQqiP4AKGqfep2yeXqwaCfaHkMEn9iDU6OBoGFy01YFJMDuZD6Cgrf.EJm1C38BEKC0nEA1Dh4k7aNdU7Yz33dwIn53kyLFhZI5MyVFAZGLaBI1zj3yiZqvss99JIQnx4L6yekZDFf_fcJGxkvV5tkOI7LlBJYX3bSnf6LGs0zkC0tSQZL5fQee.dXkD5aTJVN8DsVLSLQzQmQhdicKby3kUxN2PiXd5MLIPhWzF.eE9eu_LeB_IyvmxU68q6q_pfRqdorLB2HnEEM2NDmMZE0480Ibkg4AnceNcKn.vm5n1wWgs1sDVR2zTFPcV3dFIFCay4dAeNs6cl7hACEKNNr6KkdpGT88Q7dka8mFuuYbV6f7SlWNPROs9clsXUxn6me4ryemHlnQwlBaPMBkZC4q6mdZRUnUdlK6yQX8kLdCwptfqb_dM7nHB8Og1Gc.G5vB9XZTsJaiDbYdbGxfHaPfQl8Idp3ExxBdQs1Xlx_qYxO2F0rRFpmqXGhuWDbgC5XSlM.m6vqTr6_Eze1fANQX5oGpWn.cpnKVVt7BCPzlbyqbQO7f6y5qrfabeEtt6Uii17hx_E1GQTEJQ.Ngpltb4_xcnUZyX5Aqoq2ItSiLU9t1OUdk0wM6GwPMtC3dtfS85lqHb4whiv1PP7Z0eVJIjVMjqgbdGeTVD9w1Z3AGxNjxy8rWvN9Mm2899mC6_eW9G.sHi13eV05bPZKHfa5iB12EiFmKDrZQlh4NCvvT0qsBlbtT.5O1Tmsw4kR4GHM7bkN3hHm2ydvmJxEJcEWPLfiY_6GZCfRKYWZS5E_PsMD_uLmz5T.iJSOrG0CsSoyz0sm.c7v4xxpBEyQRzMenuWNrL1PyiuKoUCx0Feky2h_2DPU625cwZlRUMBIvDlJ5TTbPlYhqsYqBjdailroj9roq8zUlGnHJhg74w3Y9sPmabemq4wGfQO3qMGxz.fgLfblVMYXgrFkiAxhh1nS.78jwz3sGc6daXrRRSRkh6ySP2wJn6VG9P4PIVHAX3BBaerZT.EZOUCB_MeJQXK51aZ0i4Q5PXNr_CdkODggqA0UyVkcBPQGAAIF35MpaTl_rVwpYAfAb.zXEoBMhbf9BKdXqnIyvW2mquMVF0oMr4o_6a9nN7CY2XBC3E7Nvi6qIcpWZSA82iE6KiodHyzcGq0TD2RtAUW7Mb0XL7ORukUTvbMXzunfRe.JolPMMvzo9W1w2xHDIAVtdK8ic0P5NoE42iE6So9V2b7jamwDCdjgNysqguNgAanZ75TFUMMcWDVbJM61tKQeJng8iURjZdWXkVrY.4LSsjbRoz16msvXPl4n8W6TnBC9wL6peK119E.9uuW2hB1m51EHeF95FLFIgbjaP4AHfb30TmxBhe9mLN2cpuuQxu0c9RE0CoDkQM6HgeupmBfm7GEsFOD0arqpBNKke1C1PW.vIF_I3q5.NKTEaM2ijBo1zywyUPg1rpD8zGGYv1q3T_gE_Ge_kxWcSKWTtzxqtYwDEn1JVUVnhdlA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbaa005bd78220';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\/4856179023?__cf_chl_rt_tk=Z6qnc8aho1aeU2AWG53FfKHrKciRlZnRceHcXQPkjb0-1739185945-1.0.1.1-9299hFrRZDfGWtJikLblxyZPNvgl6gUubfzicuiBgck" + 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