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-607383036238.mit-edu.top/post/1405967823

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-607383036238.mit-edu.top",cType: 'managed',cRay: '91103d96bc198f29',cH: 'iqADWvjbHWuOrL4A_XQWtFBeGZyuUCZGFTL_6SQeN3E-1739401706-1.2.1.1-F6KlNWiaDGxuAbV5PAgJ8Y2b0iPtPqJXjYJDSO9Bih3BPFpbSjmYN9MX_jBkG.if',cUPMDTk: "\/post\/1405967823?__cf_chl_tk=ew_d.8WpZ24iiLoJWO1kg22WqATKbg2A_9RQYqlviSc-1739401706-1.0.1.1-2bplTUivvdtmPA0qoCZxwhudl11YXoUma9cUxMRXdQ4",cFPWv: 'b',cITimeS: '1739401706',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1405967823?__cf_chl_f_tk=ew_d.8WpZ24iiLoJWO1kg22WqATKbg2A_9RQYqlviSc-1739401706-1.0.1.1-2bplTUivvdtmPA0qoCZxwhudl11YXoUma9cUxMRXdQ4",md: "qbA8nVk4Uohmz4AvCU5LDUJRk8MPabnNiRYHmUoWkF0-1739401706-1.2.1.1-x4kMOYeiGDCgZp8XE7ae8dls.mF4dpoqWrqlA1NUoHHFtzwtYzx3.JWREj7gS9cgkd4moijQdADek4MMWyTur1m8EnyypHMiPMfTAYix3RgROz_iNvnNKi4zmtzfBh6oxIYjtTTJQ4dnNNmfIB3coSAj3CQ5jXwg0D9fnyRO3jpyQrw37DjGxmt9j1o89nIEAkfPpmmyubKFeAKdzlu.9U68neckVN3zrfA6H.GC1RB8.FNaYfjApkNlN1Nfa7_094cLoBSkqWLSWrmrQNVOEsPR1Cp91LsW2QRtOnxNiWUlEgfOV77WIiUojBXQ7Zp_r3I8zGa08xOVNJ5F9FhzfIohq3yNgPzDwp0si79NznfE0epB67ENjMW9RXnYRJ9mLwM6Y5IYKvQK_Q1TSy92FhIPYWeFwF4z4F7fV.Zo1Rt1KE8zodqQ3bCeNz64mH6WW4dI617U_P40cFp330Fe4g0wVpRtSDSXQysmVCS2E2oOOJdjrEdzIvGkVro6EaD1MZYL0C0YNBiIALUJBo6zyhjvmzeZ7TZUxnitPBpIdDLYXNZ8wOM4KFj38JICF9z..TjYdfge60SXdLdaY3ifhkvoVq1cmIRFeJwNVny5SOqgZtWBdG7Klx9Ey0olM9R9ER5pY.lJoUmgLdPkaSzYoxtNjf3Vstpg3HFpHbLfM50kZBLoCKtat1UiCwB9UtdYhIbeMHub.Ntp6eXh3Sd8QP4yfBLKyPARSR_HydrVMaxan6Jv9OXNflEhMPbrRlLn4owQ8WicciLen79spDHifvM6QXAPWk3QfFoDl1RGrJzsFnutiLIy7NavMI_aIw20jyqbfFRFr4t5zdimsc08Lv.DkahqyK7siDnVVUP.lUNv_M_SrvC1ZzxHZqyNXEx0yPtEzpdkd66kqh86Ckaf1xyLJS_V.wCy_tl4CRooPeNJ2qi6plE3aIQadFrRXgSmwpPBZ6mLRC6pNHHQfb15xLXmJeKGamQfNG0CjkAaStNvovksvS72p.UKuL4GQMyf10ICu57p.v6OCjssQyifgiQ2r6kfNMxF5vrKGDuEDgvdxrXvrsAS2oPhnf7KQ9Qcq2POXgy3.FpRObogN69Jxruhlo929LsDTm5t0U5vJHBKTTft7oBzJWqgtRnkwHfkpF8s40W9SInlAE_gFnvekgeT5RaooVxPg2aiLIp_.Nw9SEE2WMhxAsHH.jFeMSf46ukCNiT3Zz_syMnUxg733e14yBJFzQ9IEJjQ9C9Y5zqpeAqshXk3QUWzdwR1MNepNXNaaNKWUlgm7SigrhC8gDiuqOl3CE.JStVfXzaray0EpmX.aOmtWRnpjADnDYX90pldWoxbvHOQE2W8nC9SBUI3AULOj4Pus_9OtWyLA_9wVknMPY2WMWjrphc0tImSIcdzMqdEuhqril5csg_Vav9v3IFb_TodTUGAIl3r3izVTSt8F.oQkTJivCZrMJRAGWtg4Fm2kb8180fhIxn2XNB77iH51YSapHaFpn4wjfbD8XdtDJyB_daPW_gy8CR1ouK64kZiVcn9i3j1XWO_nJw9BSbi3rAR.osdkTskw8p2R6IGHdJqnggwK7so15LaH7wsNo6UaBNY6hAfvw0W.yRbgEwPRUiu1wqN5RsNkglsrenwtlzSYB2G5WkHGSsOd6jjgkhnXYpcyBQXBAUNOemXe_kFpc26VEOfDSMGTnE0dinI38KN4fj_UevtPgeSFNKpGZcoHLTT.mc645Mj.0Ssfhz4ALSRqpgtQOyMIKbKLRhuDgyU5thtoxeimYAkPxVMEO7Nqv97CL4NFTeWryfIgz_WvD2wjF2jeyZXviCMvFL0zsW8jCPS..CFZDi.8mfQl0BSgjVgB9Bw0iFQ7K_jYYGKrOvdSTqO.G.5jZTl.TLoD5VqCx0D9RJbgnYro9Wns2XWgIdCGZS8Yc7Lp6aCw.8cU.uNTx8F0JofzoqGKiEgyZ734YQru7yRRPVSEC8XJRHbrYPIGTQZ9suqNcFMgc2N6aT04cAOYRiKSL1yzvDnfR8UWVULGuP0xU9IFXr3zr48KeMTLzOSXCmemlJOwfVX2vZHWgw8d78plyecBqcxH04Wx.wDqNDVRumZzDz7S9_AG8Qa6q8kgqa7Y1ixsRrCa9V4Nla9J1sPs5GwoJF8Uq5gMAa2yQAX5p0Vke.4QyK8RlEC9I90ooHig9rpMnHAvoi7zx_qyt7ocWtAx7FVzD7WJHmrbEzag.HM",mdrd: ".VMq3Iu7EU6WeNUPaQLnsuSdHecEca7gldNZO.uqq3Q-1739401706-1.2.1.1-saNRkI2zZ.jkMV_Ifvc7voQiJWOKavRyqOE6HaoUtNplu.RcJsf.vWSFwrMp4LIG1.qVCxQsyszGgnrXh_LGvsgMakYvmv8n00l4r8gQR6ODQ6fEPEQKNWg4CrckpeFcjcZJt1gV9x33L_CtvbH6Iv0DEHjzn295DHmWyzv1aLrT7.nf8mlcBktRjVpPtk5uko.7VKywbA1Kh4KgWP5DoXqf49i.8UvpwWxffiIHmaom9AS086ZV2I5t.vWV91Se7OCVXnj0DfcZPJZjbOWJh5RbY3JPI0Pi.L.q9FRCicKDUtZyG_ialDedd2GvflO10VPqISoWxNZXvnc241wOjRCeFFnvZr.QGMBI1O.RFpMKQQzCCaiMlCAOdVjQaeDumJFXo.dGf0ISrZ.6s_l0hwyXxz7jbpIPDflLh7_ngLTiLXXHJECIbsE38u0iGAU0hH3M0nnnyW6BZx6UjrSWKlEX7bbF6LUNXJmrB5Y07pQhbTxnckECjVf1ix1bWsNjwMi6_I4fwHs.dNErB8.JeIcaJPDdFl9BQmBEYDcTXqXQlsxjR2_GbE.gdRSo9KIWQHCsaA1bC_pUssct1v3UralST_BqshobYtWMHd.UJgra1m3v9buG_ARgGbRcP8xNTnVFgN.Lg9T64IFqvgtZaxETy2TCJ5zIGiT03SWQzRvPQYSt3jeg.IT4yvnD5IwNZzqyK7X0pQzX5_y9FV97OX0xjnJULjwy_e7RhAb2g0JP20ORih7Kj884S5cOgp2bYKOVR1pJFN0fT4ta2vd6lwW4J0JgJ4_bkUdpn0TAVwctJzmOcVG6.uLKR.eC.PnWQUY.HOAa0CbNqaKmExm7n5uOmSmpfdBjWDYX7r02LEd5o_Z93GwB6gL_zzTzEm9xSd9nKZHzP8BPThBpdxdQZuHcLJtPEFCcRu5xEkOeBOC4j01I20Ef.wV68Y1Hn1iq_Xb6.fBZdHGFGV2SWSQZ9eso7lVCviod5xGJXYsRRv24kZacu8wc5jwnDz4jJxbRBTMxDqLdkwFjawzkPzZMVr7t1JahNH03x8hZ.HRfn0WmPHgG27WDuo7Ej_DKGyXU27i9XtOq9YerGIozbfNts8fUwCt2YqzZXMrBrigvFAB4CkQ_01tlj6sw8Lra1V3WeYVXmNdAApTxp1PsRxdlYD7mpGKv5uWjfHLCpREv.dkKfLvAx8GujpUlnGMrJj.7SwP7IC9FZYv6_BSwYpXGXhaB8aWfjbZT2csYm2IGaIiuwNiqvTIR3h12ytZXCYXoh73hvP1LskAm7P6oSAVrYN.WjbiGOF1jIsWIBZWOJJdYCPxH0ddavGNn.cHmMejJ_.HHYG.cx3dRlOIXJqg7mnwKLDuqXM4tvvNuo.Dg.jT5_F_1liXGDVg9KZ1aZySlpL_63urnMBI4p3SYhfAgvTML3qZnQ.42TyYPYok74hiCTZcSyq3BnN63EnJreKcbllYF6P32uYeA9XxtArGXchWGgNHx1YIr1UTR3k14bQ5J1mA4_t.CnTSOK_x_tRJqI83a6RDH2JyJrfqm0wkMx3GptMnkeHA447n4WBO.IFHy0YWCkor3hDKhQkbwr4mPzNFlyyxse.4MzEBIygXI36U5surerEFDfXWa_CMzdAPtQ99HkbciGsDXLy4rsiJgUvOz46VMtBUKh5fhM0D3aEUSCaNv4ygMJbhLAjE4DAQm3CEJSNlI7RupA5ETKNNuYHGFkTHzTwIUK1wnl4LDoKmlB_Dd70G9JD_QArIBYsX4xNEEkPM1g5oL8fB1yqaHvF8CmstbOyZWmZMeK46k3znGDgAWc_66dcUuWKpGXLc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103d96bc198f29';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\/1405967823?__cf_chl_rt_tk=ew_d.8WpZ24iiLoJWO1kg22WqATKbg2A_9RQYqlviSc-1739401706-1.0.1.1-2bplTUivvdtmPA0qoCZxwhudl11YXoUma9cUxMRXdQ4" + 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