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-450715863505.mit-edu.top/post/3259671048

  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-450715863505.mit-edu.top",cType: 'managed',cRay: '90f6696f8c07c978',cH: '9YDs2RGohgFj67YUMZ4751BZhgOYFnWDdmBehOJfrtQ-1739130872-1.2.1.1-T_aNxH4T1XWlmh7551qnvyGNQriKJ.YEGYjSW4CqEvzLmk3CC7sETTifrsuuVvPr',cUPMDTk: "\/post\/3259671048?__cf_chl_tk=3XC4n6DFqcpB003QK6HhglfAURO6EzM.hOisaCamjg8-1739130872-1.0.1.1-CzamsJ.fYeT9n.8z3VDQG.A443P37Ry9lOzvCOT93Js",cFPWv: 'g',cITimeS: '1739130872',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3259671048?__cf_chl_f_tk=3XC4n6DFqcpB003QK6HhglfAURO6EzM.hOisaCamjg8-1739130872-1.0.1.1-CzamsJ.fYeT9n.8z3VDQG.A443P37Ry9lOzvCOT93Js",md: "1Dle2z9hIVjZwQSdrGiS4VxDd3dI9tYKVByiEOOH6Qk-1739130872-1.2.1.1-WbIjAfzJjYqc4zFtFZ6nsKlE3Ijy.7T6pVCLQLcdgkZuVKNIqPM3BrPGFRfurza08gU2zOCVy7JJZfmeQhsBp9H3Gn.gPwP2MBUfQN1z4B8yjzGfa9NzgiWGg84WC73mw2mezLFNzCnPO5.AGe0xw8g2M44HCLrHRqIY_S9jjax8qSxfUSFWZKjPOeRlPapuWSQ4DOSO31rrzmKir1Qn5J8IU3Ud0t4i3NYtjcJSzGX.mZSdvGiRwZd1ks0gukJ9C74FcIbA7uPj74dWPxe7BVdMai.Ls2e1lIjGUdkzExpsWnuVs9UJmYjO6lCeW.MntMhLBZpCIS0rtQMtBsbttKzceiIvbqW4AzIuIpeL5riFiPf01xZaMLwszuNFxBMsLSo2_AIsXUGvEQd3QSk4xmeOurnE710T6Egfiu4FtLNBKnPpM1WkYXKMuu_N8jRhecXDBspag4agMjJmODYkcd47cvigK6UV5OvVPHfn07IV5vTKi3Bm.dwOXfimrkCqHKgF9MIm3qcZu_szPZsxkw0dxc6uVoT9UAszy4eX8zui0tNI16YaGZOr0YbBpQtAq8rJmpJTFpF7Q0iG80n6Fv8a0g.E81yjiOMFcT7fgypWU7l494xWQjAiXetOS9w4V1FHFljnCZDCSv4U6p_sONbwpZwxAmBnLk5jmXO8nVbRb2tuR9zIY5Z_RjjVWHE6V5zkm.df8LWN_FCXxDzqFyYeI_tbc2F3Yc8a4HfxwI075DaLuyEsJ6nLZSr08jntCaysxXRN8dKSWUPdDC8SQ5W1qfaapONM1Q0.p_wkbivWAJcQ4ahYvT94t1VJKeOFnVi6RTKrLecKGF.c3tr5hXJU8FnK095wwW3diHwMaoHG.3ywc15fcuU5eO3Nskqlgda028zdOWl9v5EOH51oi2G0IlB0CXrSzfY8_.fQ6z99QZ1B4z2sLDoKtTPBNRIyfMyDDh45lLjJbE_k_PgleFsqCIoyrW1IMy6iz3WFhMbO2Lp1wTBNQNDGd5fdG76x.51.NU4kyOpiZ2G3i31Ma3yklDfHNj7xKjDaDZSJUs8nNf_ZDVs93Uco4W0JWOmYcCIgyqfe3M1cayqZT9GLFVkJwC8TMbpladBKGbi8INyscZXiCe.AEXMjnxex3byfC_9fqC_oiXVRdHkapdl2rxeuUjZxLyYhBStYJYCtStqiwvTDtS2mZNodtE7abtXzPLv7sfbzxVi_.nJralRoV9HRzli9yhsYvErsvJLP0WjC6IvgMxSWFli_aRQFUpuBY19k.bQPzOP2uIJCEXgq17t5sRbMzI8TpDH7mtimmrVwciSF.xq8DxcXsfW6Gz6j.PkiutKRdIcyO22zFhJIiL..LONRoisAkZquIAkK2IFq.28q2Jj1W3Rf0JGnyQ46uiIJpkWpO9WhMDJtH5EY2YhVEvBz5ctb6yg9VmXvqDYNJH..w8IavuDX1LLhkJeCHSzWkX0nKQDN0Ad6EG.eAsz8JznIQXScrUHQbXrtqDFKSuYksH1GvcvnkpOAO6PJs0bPHEYmlhXLh2rQ5_aYleACW884cZYrsJp0nirLS4ON3Nr.ptzyqwKTRnCY9e1GVXX88cpP5le5efms9cxcC6sUtISSEvzK8VUDd7TosKdd.dbpCcVVhGWpLj21RgoWvxUOHKQti2145cTK4txsrS0txRDBmKQ4svwLpdAoYq7_N7S02pwuUXrjS5EQ95NEfnDd1d9wY3C7EjHW6hu5UuipVUrFx9LRWCEUbxhU3W1HqieRV6_hzT31MqQd1Gnsx7EsE_DzZnTT_UCEt1glZG1agobNXXpK9apCtA0RlZnXD_AjyZHbAd2BAjCM9sLN7Y25MuaHfm63f_xQu9siQ8zugnxEg5pFLamT6RTaVx5TgCJViI8NpRSbOerdPv69qFeJQQOq8wS50OJpOpwXopipaIn_QVhq5EFwgheEowazsWL5q4nQ8gTwD9PQccRof1ouhNsksyY3X9khCEJwBbSFtjz5VCbIbDYjKs3H810p1fKpIbE0tS_x8j3jsbRNnZdsJ9gj_kdQa3dHZ31BA4I7psY_84nAofms6yq8Ba.zzSOWRdN3jczfR.LFmVWKvKzwoxCW4CqSMJkR4zcY201IhfIzUumdhuBOyDySDZprrEUvFjHDcztMlkUu1ygS0QBsBOw7L.oy3zRaYG4R3W_UFM7t3fIWKAk1OshJ.Zxd9lIAT6ZQESLvAswRjiIz",mdrd: "Va.tvkYwsGca1egcK_Uq5TeDtEihYwg1q_LeURfC9dw-1739130872-1.2.1.1-z7B8.pFdOZWiXChGja.M6DT0imo09epAl6kIzpmFx5e7iR9_AtCFXbGfllZOv1RpNl_VFvVIq4EfL5w2FIVd.bv93x149t4HyRjnu6b73MkTZH4xXrxotQ.ff877_o8HqSlD0jpNZKJH1AsJZo5QxvXTq8Y5MHhSlMyXMtCV2lKNz.YIyD0KUlPz_xRaezlSDLDlzyr.U89m_x6nc.MujpzkEIEts5pm_dPqwUIt_7.tEt.H8M7eVrEyQAVQksWo.Uc22ZSG1O_.Uzv8s5Sx9xmt3MH4ZBsOK9.rRL_Fz0pbvKxChDasMADE9E7__7yNlSLE0_Lyd9exOhrV8AaX7SuXVe5NZXNcwdpdR.O60ZoI7xXmCg3tp0Vl1vEoS16MBxSmkk4dc4mcUGuP1QeS1SpOR3kLj4IUVht.8I9cruvDjknzc1fW.4rR0zbPpjWQLnRspa1BkCE5BNa69knKcWZoB2Xo2hElFsUU9j7r7VaVH7ZSyo31wzeswd4tMSsEgGmcU9H_PKEhRDIQEY5QMf0Y6z1CAyZ54J7b6s3WTre.Ovr0ZWbD1JQ5uTT__so4Cab8Ir6Qs2yeAc0yFHC9xiSl90WrqBfC0FeDp8O2g5Z6q0RqO4kpLOW1tV64ubQ20eNzhl7S8w9cOhoS._4IPPK2jxt50CfkWPiaKIHEN.SD4pJgGns_HdJB6H1NC2dIaxAkiXK6XTDLzWjjNXbxasGxlqOx.0oWi1usmYIIA3BMSGYvbz43JXWbZvNipUG9xjQgh_uuWRvV1d_6bJMhUnT7HlvEaMOXlUlbA52x6XJCVwAf.fa.V1g1I5xEp9DPuISbJyalyQ7zpFS9yJrT_tdTR4sfNo1Fu_owqBZeTIzxIUx.TrpyWJc62ef04wO1rAP4vbQa4ZxiXguGp7NeCaRYNeaxiMyou_Y6u9fHNMYgJzwGYrN0nXh2zjvOXP3rQfwt4oB5P_ME8IM51yOLwWkU86glllOeYE4Qs7zyGNWjsvGRbrHSeczpVMmJAJpQvjsUe2Plk6soX8d3gj_3LeC3an4M1R26xdYUZ2zOaP5_vaMnbvVKBhm0uSAnWzCNchOq26fDgO63oz9yhDNM.lnYTXZTiSrhpDO5XanZkPT94LEsdvch4BlEAkx1FlOt400eaqjG3Js8f1eFTwgH1UhQLchODHb3Fv1XhSOZkdcs4PUZdwbx1DcKZBPc2ShX9Yoi6pbw2lVV7EvGiZGwvKw0DIGZY5cnSWKykKDOK5zRA2WYENQqtZDBEGk.mmQyy0wyL.iAj6f8Sr5Uk.HGN_Hadh_z_C0ogpm0sHRFWFQDilo4efBIDuqqjJk5JJ3rqp4iLKFzEc2KxOwJ9Z3Gfp_LNmwI6KXkCjLEFeEvBeszqenwAsTjhVPm97zCBFkVyi7VYhGWRIJCB4WEQJTsTfq6c.dvRkVEJUoYkRpiWKnf4iNHXZzxqWsie2hgiuC2wkXSiYB851UcPZrn1.PRSEuR_NX_OIYMGCF_58AryKejR2ifysNAOoLyMwPEJWN3V76G.rqgQFsMaroWvKFNmyBs0L9gEmk4bzAXEYiJPD17jvzuoKbNRwsYaMBeCGY5qMkyBi_CZwwdVzsv_tROKqVWWSRUXc08iOqsX0juXaZjVkVEHETxf2pbaqO.q7o03kwI6odAHqiD5wub0HTRDM1xIpXEr4UMUftyW6TseE5rC6R1TfGo_NQ7SbWP8G_QxZ3qSUQ7jZpnbZR8BExM_KNVMByqyrcdDWLt8tRk1lrbvo46RZd_8iwy9MnJsdrP3K.RzbpQGcSuDOYJ7aXXAg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6696f8c07c978';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\/3259671048?__cf_chl_rt_tk=3XC4n6DFqcpB003QK6HhglfAURO6EzM.hOisaCamjg8-1739130872-1.0.1.1-CzamsJ.fYeT9n.8z3VDQG.A443P37Ry9lOzvCOT93Js" + 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