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-aff01ef84.mit-edu.top/post/6201954873

  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-aff01ef84.mit-edu.top",cType: 'managed',cRay: '90f80cfff901062e',cH: 'XPfxm5vq5FO814N7UYb38jt5BxtwqjjeySEXcHl_moE-1739148057-1.2.1.1-Z97K.5FViH1H3EboVlG_e6uy8QG0UR5pWnI3nJhbxS7QjrPGT4KvqEyTW.2fzkWU',cUPMDTk: "\/post\/6201954873?__cf_chl_tk=Pkcb7Q3BXDlNOuq1tCIDm9P9uWFriqSTNxRfWVvvWKU-1739148057-1.0.1.1-JSasXFCR4uEhVhSoTY0y2tULMS1rBZix4WzHnMz1Wuo",cFPWv: 'g',cITimeS: '1739148057',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6201954873?__cf_chl_f_tk=Pkcb7Q3BXDlNOuq1tCIDm9P9uWFriqSTNxRfWVvvWKU-1739148057-1.0.1.1-JSasXFCR4uEhVhSoTY0y2tULMS1rBZix4WzHnMz1Wuo",md: "35DW2lCZSDMGhdiSbs1.DDLAv4t8ZaTfSm_DEqQOVY8-1739148057-1.2.1.1-hsO6h8krivEBr9VPW3dJgJgC2FnsO2hIfe8NVgrv_yvIaqQXWVUurXzl4odoTBCzFo6giR..nbg6bkfPukADvD67jI4Ew4wCcEYA9twKe1kYWG6XZEcQ9BEPjmDOEQZLw0cRrE4_bK9IA29asaRcRN2dB6zDcLB__ZHYIPe25qpP0FI2YkSGbjNK.uMmbK0L6hVEYcIgxwMtfSjhQTePGihjC1u.xFIsSPmIZHCwP6vMHwoZcuPnt0HxU6giSiqQyfuR.ki1xMapebul8elmITpQDn3AA.a4keqj9QX5VMNSOXLeOeKXWx77eMqqrMOorI0ZqbFCwTTaoaqOAnOeeQxBOP4A.MpJWiN5NG73kYhlAX4ML7EqqnhpuCk3yYsNVIMiIeyed34gDYcjbdQAxum_d6b50ppcRTUiJ9OfnOJ_65_RCm1mU3Nw9dlVYHSTDXkKBmBwZYhZyIaKRKMgWW7YIzSRe2cwg_jOSQWWtZBVpjp.V3AWeCm7dw4v0t9CGVnppgUN9Nd5qfi417OUH18yynwOs6uPhv74gudTvAVCxxusWeq4rwTcsQAsi.PNHELQmpLHbNP0.qfS4j7Cz4XUiD_.ndKwhA83UITgasBZp1F7vwavT3moOJOVCAZblNp2BrmhkitJiv6UaoEylOh6hREWZnnuSDgCkaK0UQFILptmFsX.iaa_0qWCxLklHu.NdJdBoS9vqI8KxCKyIfPHAd_Rn3zix2375fMowUSP9ZAQvS6kKJhaQx700oZGAh1VS2GZ2xSUVB4k8nS7Q2wNZPziMdjBorpjuUgNbBzykMOtVssOMppN4U7GI9gEaOMS78Pqj8sh2byN2RT14ZNwIW5ZqkAK.obAMuSh7_uaxmNFOXex9KAde9T.cfQIBfHMA0D_gWMBOTIO0JbDD0moUXRsrnGjWk99WDC4UcjAyizH1gyPa6HUg6rChlApmjjLslqbw7s4QEicY1kLRFRCBWbOY2TQfnzSRj9EC3jawsRN5dTr_QZtTYimUsfxkbQDGRLEzxV_m9xyFgFEPhqA2JS1A1CkvVU7GW.4GZ4Joqfr_vgSaxIlm7x0PdIGi3THYWaEkQ.hsfMfXX68BwdugBgO1P.1qrtjFa8pstnUl9RuPaE09zb6BO9ge_OuCibJbcZ2MLJeQr8NVFnI0d_X7p2LmlO8_qHou25qc4B7IBcptY9jQsW8AEnsaK8oMQgInF2GWio.cSaSItUdQRsqOP.H2d_QOgSu13cxadGJOwwF7.UQipw7c4lBBYe91UgbywRblQtpDqnLkD8aKiERVjt_fByUDkq0bvJegDu.bNY1yHUIfPh4cu2Pk6YuYa4uocx38d9Ot4e2xqONVwmRe3kpwFbCzwFqAWrxvb5iIr2ymCjJqDL0KASKM554NkylJorK1NCfNgBmYC51rUCUTW_SUpJd_1gkTQ4qlfgTFtQPcwHyviinAz11lbYcuSMCkpXNLGMd5rd1xzU_Wg1SOF1_u1k6bLsGl3KMnqyQCvqIQ9XpnKDyVbX4D2DsdnuQ0vkysTmjmWAfm86xvtv0EqdCX8CyXOwM9NiqbbG5JyriID.cv05sGC5W5fGCGzNQO6cGAEzd1VEPyZ_B4RxNgJ0MLbKqSsJM0wqiRuUvHXlKSBTaFX7gpYvlBEkF4LvMJEfw2TXyorI3metfft.PXxi4OkBM20j4O1JOmAtPZAPVvNO3jRb1fAXxQH_Ad3VQ4fKnQkco5rGfheEyyhEgR5vIi.3lgefigS.IuY2oASFQHmdwXlmmsWs.rVuoYQBNwWr1DVQ5BKgnLzj.tS7zh4ADLamHzK5oeejHNtzOhBhs1MUPDpnhPmmDWC3_JIfLrLCQHezvYuZZzehcgThWyVArtIr4ANmle2VuJXuxP7rJwq_oEFs0Q3KiPajwDOAttdOuCkGGwoVX1P2ghhFO49jD4t0qqL6.CkGsBj_OTue0Q1zlM_AIPmoM8rd_kGlwMCtAoJam5EMvNdAAtv7CSK6kdT3h5mdTo1l7GxzE1tEIP105num7aswizv30a.o7P4y2s1nqvziMDWhxJEDOZHPmNPfvXXZps.yZQ38_FMOO05RQ8Tx0VRPU9iVuUzzJryX.YHiwTXi9R2bo6DzL435bLxpieTrDy5doJ4CqO3O0FGTrC_N4iQ.AKkQZz6rzfvJQQKfGG7tl71qdwUbolII_xOBWOUBAZf3_LSA4cebA009QNyuATxqDaURh",mdrd: "ETRe.iZDJdIjTwRECV0N2IjdSPLVO1iRDu5MRg_jq98-1739148057-1.2.1.1-br4LsMrfXUvTSg3xLHuvecMcW1zMaxmnZ7XGjCURrOn7HeqOCnNbJ2Xb1TZzxQmQn.YIghKdyDDf1v_55lCb0lT4yRQ2kKWrz_huzwNfUL1xm2maACfNhqQZh_ymQJZKc2ZQpub50_0LecLdwyx3_ZsfzZLDaQP79gbm0JcDVt7ho5B8HX2J8icULBZAwDBRw7aAcz1E_Xvc3vT2gF9D8imKKHQfC_xF8WUyIO.jTv08FurFEHqSB.jfFcbprB7gHznj3NZiTJ.4syCKBkroyuoRzg8p1idKRrNObrXo0ciJzVKUnqqlJWgCtPnzdp3NKGlCkR6KlNgV_3ROhCrm9NifrPULAt9xTwKHmSxrolu8OcKfs2F8mBl2MtGCTNJZAw8A16QwyT6ta0obRPmfVwxwufxfWZX4kH8ssDU1lRLXFbc88pqtIAKp3NGRrSv.L9z4J1vBDMKp2kg4waqTrNjLgyIzlbQHRdB_wHpSIHb9TWwsEwOSk07iNgeaC6OdxZz9AtMsygzZzBoW6ReK6RuJgILYcVIFV9RZyoZGPSwa8Andv_2qHVAefW0mWaNz3TFCyK94bvATQZiV1YbRDf2hUKrcRhLstGere7gWeFIYzOVTZTyglnM.mMXg7XQUBvyaBY5lC0wo2bVoSjn7zLGh.9Megs52yBfqsJWekUYo.Vkycoe5DHHa0ut35HKTE4Kv.RIh0Hy4HNEqcUykLGorvFBT7TPqwwkG0Q0x6bWy2UHisGMIs_5785bCV1GbnHJ5pUR2x5.XQEFZsFCSsAfrnZGaaIns03rGgs7I8E4RVtZwrkJxUgF7w53ybGrEk_YVAU2iLBQvl60FRrxOPIChk4mfQP03KxYrqFwcQaao5dRhD8i02U6SAF7z3QAIK77x_V8FFDGsDLfi_kEj2QRjsFACWWGHEKgP5S66nlk5gABPQTHrLRNFUjzvnlkJh8tqcxSr.CGrrGwh2pCUmoj00j8N7oT3Ev6wjiCYfojIRGNy3Y8SpvOtZ51mbzc5xYUXGlbsJr.BjR2jZDnuM9Ie09ANtVxnoLlZZkYcfypX6wm2SrFieo_GlTX02AsPsq7lJpf.sK.GJ71eopeevwr8bNgLQGmzLe05ODAgHjfanyw0XXKUajCyRDRXsnAz0J8gA7AuuWSiBNbbxnY4xCf7zqz9DOR4T6RB.AxJy__QmAfuWIGLPDThBCIUrUR82vxNEbSbKl38CjoOonlSnRuonM6_EGQRzvMsyz9oIq1d745O7mITLgC0fL9bjwXHh17UfKR60CJp39J6HGc8YuVrLXA7ehd7fJ_CIecwioBcCyQzIptZPb_fjq0Z4VB2RWhu2YWYreMNd9RcLkGzRqpPo36vJMBzkqI1nHA33JqpU1BOWFB9FdqWx7lHctdstxG2_p6iK4okxRfspqVMYQOvdiHV4k_DOA9YVwlv.xnxEgsKZjXzZLg4DuRO67t5kCKrq4GYHa368qT6lbwI21SWZ2JbMOdT4gK0y4Ir0hLplPiwXpl5HqRol.iqcGv9FcLhxGk3THQtumg3hvuEe9BqUpKvgerbnUNpm.ctNDF._77Eg1GBRiUNmrdoiwCptbXfX2jxIdYNFwFd7Em2mY9ypEJgAKDqCcF2aa.x4pQblMP6dSzx7bKexL_RYqJT0rvcYw4fO1Ai.f2D_NgNrU8fmJ7FJHrhr56OL26obTsTg9xXNd9q11mNEYCqU_L8WXV3HIAUTwpUlekZR_JAo8n0gPVrGWNMYFuqJfgZ60ODNj2.gkYte8aWr9fjggUOgveI9RQiOcDs2c6glD2ctg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80cfff901062e';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\/6201954873?__cf_chl_rt_tk=Pkcb7Q3BXDlNOuq1tCIDm9P9uWFriqSTNxRfWVvvWKU-1739148057-1.0.1.1-JSasXFCR4uEhVhSoTY0y2tULMS1rBZix4WzHnMz1Wuo" + 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