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-affh01b4i.mit-edu.top/post/2953710864

  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-affh01b4i.mit-edu.top",cType: 'managed',cRay: '9112b546ed392c11',cH: 'u3QoYFipGtprOVNmPZvJEDR5Xq_pQb_XuYWMCwZ5x6k-1739427579-1.2.1.1-a7qd2fGcvyRxvidCu1ZlshD3g1HafTnW5kKjTpCun3qs1Tzjdb.6Rev5NMB4UwNP',cUPMDTk: "\/post\/2953710864?__cf_chl_tk=UrBlyus5m4H_8XKMDfPU_XMYlwUzuHrS6jAtTBRFJaw-1739427579-1.0.1.1-bdJKuL1GgZu4BsiwlDjbAIVmAr8wL7J2.lT.5VZFDJ0",cFPWv: 'b',cITimeS: '1739427579',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2953710864?__cf_chl_f_tk=UrBlyus5m4H_8XKMDfPU_XMYlwUzuHrS6jAtTBRFJaw-1739427579-1.0.1.1-bdJKuL1GgZu4BsiwlDjbAIVmAr8wL7J2.lT.5VZFDJ0",md: "FjaMkKjFWhr64xCiJStivJHu.BHktsJhqFSEGTtrw5c-1739427579-1.2.1.1-XYOQW3LJLU9mZNKVp6rGfkDnoQJ1Iw1ETvDJsY1MXg76xnYxdxElPh5TNXC1J9eNKyYXcIqbBn3Lqt7_nIgcJnWIll.glvTCO.j8OLhuUXrRgNZbj8p2JgJQTlRTSd4mT5cyRmpq5ouMiop60koYd42vVnqp8l5AI8iT1xdxUF7B6GuDkQx5UatLrRuV19g3zrUbFZuMA8OzYPVSQFEOdJ2P.qHV.TXA6VQcojB0gquFXWU_sevflrk1haOzSh32cLe06974m.ig71ikjpbvjDQ.xlIeEXTfsGjtvRZaBi0wyreUPPVoxXk76LscvC2z17.W2p.HucI6tuQn9aD9Of95oH3FSNFKG2UIuXDuZCdUmJb8D6om37wgoyDlNFCPQOrHmONO9_KyPSFbl42cd04McZAlDw4loCS.OV60eOpndao1hjQT0D5LPR6W4uht8M9.iqQIQ4SmqriRkkjqd5ZweQmmcGp0mqTW0USp318fHeNSwoK84GEAXpuGUKQl_Xvi7vztkYDaYBdyzw35GMzrN.5YZX20RtUjJijOt44IFPCxxrVdyAZcBJN_0U4qsljWMxbIBRwFpAsW17.1IgFnNkI.nUpt.p_ogc.Ov83yXPKAv01xRIO2toUqwL6.ePEeENQMaB4b0mrhZDf3hpU_dAsDZuO03.1eIuWGAzomQNEMTa.g9H8s8PVk9jBj4H4VE3bsHHl55yPyMcwAe9xskcD5BT_zQqBEn4xivCDC_7hoklvcZzu2HqrfvxpsvKMSjwPXHAugxENoH1tzyZkEJ24Te2_zbGzfVZxy0GIh1de.oYVeUjVNo5DWiIcMg2Odchk7fkmu1vGcq9r3SS1qH8B1t4StNnpKjFf4XwQXaXzAKsN6v.uYz0ady46HvpNI8H3hXIIpQSILxHMb2hkJTj38CnzeN5k4Az9Aty.E2voDAPml9cfgSKrU_5WHEKSUXNiYgbL5vpDHNxftiKCXSI5WVagicwBcDsEcFSVXHOqfEVLam8JjAJS6Aj0DFBXco1cvod1eU3LZwv4bqg20I6oy3hvxNVeMnSgKRWKo2aEEOBATXJzu_w6fLmj44nKcLkZ2oR67b3TreTJFZ8O39QLV4QFcYxHsArK2i03tSKMPwCq2tenH6GLnKqakERp4KpYsSlX04rysOG8tTJBjXzl2mHytNdXUPvivpu_.aQ5F.nIZCLEOt7OTO1xz0N55LCjIdulL9EfQi8ybIA.PyikdllFp417Vv40swUt7YUeo43RG1kPUrh9nayFs0C1IM4cLAZ6tX5pbr2XBQSN4S.1NwCpUoexIyuo5sstMlXY4AKFdI1gMIxXB0W0vFfF8aVh2Qc0OY3YrlQwE9W1Y5KSJdFRqm.3vnNH5GK7wNtRtn49bX2.Pyk6DIRpmzpslsWx6cpCvJO0CH2SapabdnfNsTPA2.3mNlPpa6S63TZGM_aWZa.qMBw8CVr1wvLJkDBvnhuxOKy8R2kE1XUAhGiV4DMPYks2DvCR_zEnmwbWdK5Q_9EQbbTTIVm3i99keU0RDhDscdSEXdR2tM9cGyiaeQ3pBEcqrF4FOYXxq5R_mAU8Uoh902kei3Z3cSUfnB9cyzME2hGfKiQGwr8xq4ZALgfufHCFVRnDC43SpL0PL7y7BwUsDWhHh084f5QyY0Cr8rBNGVucd4ENDQuZtvYLaYmkM0iKU6UD.fonxsEysvazL_YZyFGLbpWi28ZfxWrwr1zlfihwzgNiuGXIXVpdKGHPQ.SpNqZ7PcaSBK.Mlk_U93yG.FFf54oJaPRzXbSraJMiPjcktqKmleGcjQGpGm5BzVkedB7ew8RK.uJsk7hIngMAgLzCkb73rHxazm_ws8fImfR8PqvTLqKyhS9gT6P8UpYjX.ia.wYrCZy3rlq8IFy0a_6jVcqqm_ycowpZDWhAdoN5olTsK_qpAWcvst88eXSYQiBXieSxgKINrzsBQSvHkIl8f6k7iS8Vhy68ZfzdT1kxn3Kr_9u.dHrrmnnMiTDpexAQ1TqlUlRlbljYsA9dfBZuvujV5cIXihYzz5ChypWUikBWJX.0MhNpvYPmd2ERaJ7HeZwbLlG4E9fHbTBmlxj_joOdqMMUwg0wATSR8HzxHPBjfyQ4aJ7d.xbsLSbHjsGCJ7lNg9ibefnAYP4CnBs8Kq6njMksdi0OLysf9vrWvbMRduA3m3uOl20DGLI54g2S_ryK54JJSH9c9X8phylauyZI7",mdrd: "qlzjk3AlSUc14q73PkNRqxhgGeN3KSW0VyYK3Z7oKOs-1739427579-1.2.1.1-dVpBMZbJxrBz9Js0bMQuJtr2UIoeBa40xMK36ltw6ypcevLn5Z1hNojtKXY5aoPSVhClSAlzi.hgCE2RhD6ViMM7nc7fsFZtf_EysvhXjZlnEaK4OHjcXx0ll8OhzUyw6mUGPSrJMUfnAHmlqOOL.dHWr9rcVFsV5TYcjuvJ3hK_8BzZsOWYkVUC2rW8LG_BX7UBKJ_Kyx7gkepn7g0grAbevYj8h.QlcJLWp17V4M_3_9kDSPzkr3tp0wMeDwWFov8QpckDDbJc9rdHAiXFHlq6KchAA9whDz54wa1NVjokmz_wT5GSAUFRXH_49kTMTP0PbwSAwbKo6NA3HxCaw5C9VoxnBmB95spvtGls5mxpyGBFpyDX_YbRUqHuo8wv723kNVBjjx.vRYd0.gAuXyKAUrdRKjVvuznSdFrK3z5JBDaK0mIlDy9wK8eYNlPMAQIs0JI8mj83Rn8nD8AkmuWqPXQtRcm0uRZEwrcv56EdBLv3VHmtYx6_Md8z_wahDcCAwZeOMBV1C2BQ45joMJK9apl0zFNMfMUCiYu18BlqaaRrw9LPf14VsTsrUNVPjS.cxBCL3Zr1ndXN.iXKne.I.JSbL_2931mge148ZVqUO6.L3A4fukAlnvyfFCz57iFl.C6KTok5Kzr8ZazbQ3BgxCEJjA2CvQQnYLDzFzlwtkPJMlrko_J8CG11O.3m_Id6r7bnMGISkuNp3maaeqdLS_hI2YxlCnqmzPP8.AVRLD1yjCbI7lqnOXeg5wsHf4hBCSEOD8M06V1VwNIg7UMeL0ItGaTUBYMV1_Q_Stku0llbODqbxEq5ShV4ejdlLcKnIxmbQQ7nvMlq6Y7RxsqvNW2Y2b1RXghLhQr9RabIwjVsUznUGf77ObKHNxWvFbIBy3vAC.amr2UVk4_tQolbSgredUw4_pPS3JalgFF4S5bbmDFwl6tT4Npu51bfrft9k4Qokv92h_GgXpf6qRp_mF9JYk1dtW5ilo6WdO_tY2Z6QE4wZ0GRyp5nkATbeYNtGerfc3VrOvvnXV4O..1myJHVRUqVe57TIMLMUog9h_9.NbHQfGIU.hwgHIr8M444DDogpIPwcfnh.Gx2e9k9bfRWKmxusYVJH2P_WbpLuRIlQA9HBIbRe5IwIC1P4RHfQXcROtW4qugHZsHevWJjCwtt.HaKSdIHSnaFuBeb1S4Ob9jqC5pA4B9Fr97lOs.i2QXWoyV0ydPcdcwGgpdaCLeZZM73Sfl60JALzTPCsJ20A.80wNRHbt_fzgOzqT8f5OTCZMC0RRu3.ZA5ApzvjfH6dnjY71W2_wNdODcumb5sCb5KlYkxgY10ECJsjyTgUQ73sP3jby8l1S.B7VxoL2xm_gywiB9ZBj7rW4YBZz2A0bJGMi85IU0h3S3hx90bBCLSkIKClgxbokx1NA9dJPemy1YnKwxaYAf5iG95qiKZayuY9FiKY.cxZ7QyIzNeOrrA3bnZmsSaZlIglMil8na4fmcWDEXv7m.gphpxfowXKmuyEluCM8sfnMFOVjLJUeA0CC1UNn90L9omZvEOW7eAyF6kfbcwyVm2Se.9Q1UY_vX3SpBv.lDuHaJ4dwDEZm2IbPcyV6iPtLp.1Cfdhz6IA67Sf3BovKlYgwUAklxpx65SR.um1GYHg9oDCVyEBGfHCozAt_9d_ZU4eUQ2lEGErtI5Nj0NxMfOMZ9BU8d0jbDXU2ik.af6OvsRX65tz7hVGvYouR8iIVyFs3cZx3wJaoq3Wx5iQV4ByeV0BHxCWkC8YezNSbUqjxoSnlZCzk_P8rfdMaABsKsrN5tLUTriEDePVMYcVIChZh0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112b546ed392c11';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\/2953710864?__cf_chl_rt_tk=UrBlyus5m4H_8XKMDfPU_XMYlwUzuHrS6jAtTBRFJaw-1739427579-1.0.1.1-bdJKuL1GgZu4BsiwlDjbAIVmAr8wL7J2.lT.5VZFDJ0" + 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