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-709301858889.mit-edu.top/post/0321765489

  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-709301858889.mit-edu.top",cType: 'managed',cRay: '90fb0594d903d6c8',cH: 'WvxDw...VOfudD6FpHZCRE5u.MuehojLUjZlE8YIC.s-1739179211-1.2.1.1-8FzY1xsy5RTisdGnGHjp_kLAXgMeQaLXyEJlqqqNLFtJXNboZXqbqRYUVUM.mT9_',cUPMDTk: "\/post\/0321765489?__cf_chl_tk=zA7uYv37COGXro0bVSVaPp6NxHYszDlnTeM762Wyvpk-1739179211-1.0.1.1-2JXeNRNLb3Y6J62MNTnmJunTy7XXUJ8IYra9pdgeFIs",cFPWv: 'g',cITimeS: '1739179211',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0321765489?__cf_chl_f_tk=zA7uYv37COGXro0bVSVaPp6NxHYszDlnTeM762Wyvpk-1739179211-1.0.1.1-2JXeNRNLb3Y6J62MNTnmJunTy7XXUJ8IYra9pdgeFIs",md: "7oqmhs34Y5Y0sX6urJ0Or2ar_3HrnD3a4ZJDAiDZwVo-1739179211-1.2.1.1-Rvzxz.w6nZNtx.CD30TMXiBLnr2HYKJsD38HbDDZOMGufMWJc2VbbNjPVsFYw_hZsGCwPWx0Dt7.O3irdlOWbK_bBKP3fFzYxGxNAzh3wVc0uw.eSlf9Aj6KI.5Hl7WGS.1CE40f1MfAkUi5wltoAc2K2VgxjdCRLmsGl9c8J3qDR5VGj8D1MY4_l4Vz4q8ewDzk2rxj6.GbbS_BA0rxyneNDFzh71OryMqfCmMHFMLWv3xQ1STt71.sfYCp_9W2QcL7a58eNhH9urcwZJxu8PhsdOCpadWFE_5iJbPnMbK3I_pXLhL2qV2Cs7X6L11tf1n6r1nDQlLBxmeOnv5TxeCkhP8qDbix78c48_6JM1tR_gf6rbUxGTd_cSLGIfKnFyhzIdFeih2HOsB8GNKaHBvi_PuuRiQtDFM7nCj5NuC3ATLqjn95OfjAptxjLjJrucs94KqXJuU12TgsQqoFiE5UpwKwUYTGP3QZK1rrGt1cgCVmqNqY1nqySJEeQA81J0elIsQ2ffObakXvMhHBhVtJJ3P5MpOK8a3jP_An4d.fhJyVLIU4KoMLynz2ce9NG2eMNXY8kT9u.F2jOYwdYH0DaFBmMdOyRq8zzsT3um7jEkiXYNKhpoxFoGfnHzq4M7NAC3goEBHSgwtV2zZJPGB4UFdrKKGbDkkHSQTM9tCmTh828sZ1ayZPysZoYpBqigkHLhSfA4yBszyDELA7jDgw9hYAkxiqGJXTkCWbr8HkvzT.zbnOAhu82rd5AbaFOZEJatv4nlGBl5284f2q2qy7XikWYZEjKNgSCfA1q89_73JVpYXkszgfsGVL6K3s5wPAG_sGdUpB5jSeqR0icni.3IrOYMGP7jEOuXOb2Y_oXZCd8RtoSI.yOxVOPa543nrlFScj1wDQfwoz.xLBOuveXhGocSIM9OMapfeqRI24_ZwmaPqvH97hO1azepbmDnNILMcBQ0R1u4fPuSZvv90wTpRMU6JO86vgSsUeT3ILKq032KBRkZmxBPdR5yMvVGIoJ4L38yiM7dYAioSH6fwcTtuXrcIamcfMQUJ3K3uqYXefNedR07RW3iVnh3bdcabixPlW7_saeMjR21vyygMRkan.2GYRNZsEVBdZnecVQD_HtASJi_TXs3QG9Ag.GVtI7aCauNMou2h6IIJBgK_knCmrqR1ihixKC6ITE8L.19zDtvqwV23rWfNCJhw8hdrVKgT9UkhEXSG.IfGvNaHi5ofRFw0Uwpt3NgTK3c7aa2lEu_8Nli_z1Hx3D3dvENVR9E25WJub8iHJVnhAiiUVkg399kQuobhMsL1C_98HNfqKgnULHxqHgfXdxplOepwpgTPNHX8SCkkIqX9S1AlR.PIyTVUO7dBnylhTwztgla_uFzylrVFSMJ6QZyZX7.biysRipURBdKcGKH9.vRbHyE5k0kqWp8KL2m9Bd6csd9GY4vqSHvx.6oZ4BjMiStd8K0_FRPYdUZ1wWnAbs.8SLvI.5bH2Pux3e5njS54TPyq9V56JVE8ojY_28hMhcG2kLYxMj7b1fG42HzqpchoTjUuzA35AcDOaCx2E4wrW0qbsskRlPBqsVEJ93pt0RLrA5gznsb6NKNaEItEkYtggHAempFr32r_FB9AB2eEQ7z1F8dEML7EGg_lDfjw8GqnhoCdtNszEwgiHb1xZKeLHEv1W8P.QIfhZcNGjfx0joQLTmbUnW_ggqiYPgPnxqmLA6U.H3OLpBMbufcX5JH0imqG4TcseAQGW_9uDN_uQvnUfm7BUMJjVZq8I_UgzKgJLxCH53UnTSHUDpFWwy1MhhXKjZVtSze5Wv8GU.WSI20HGsrJhPJ5SQ5KFwW0Nj6y04Mt7almKGg5cXp4EBX_P8BGuM5hrF5faoKAFs_L2tebgcwTn_FqgM7Dt4SHTgrvBP8xyFg5gfRhig0nPmg7odt5FBfieJMRggBz6lEhYOom9OqAtd8ltPEda5NpgKaQNaAMoXeHyAss7EhFhwbNvj0fCEtrpzn99EjkvO2rG6C9nR38nPOIilA9QZGTG.eAINR6QI32vWcSjrEr5U7NEd0yYSq.djjXHMnDF7kWaW.9T.UHER0Ah2KUQncxESuMMfFaacol4r_61dBzMygAotPqTSvWO6tydfbLegv6C05x2zJBcA3mrMS2BIMAJMzWKtcEFK9n_Q6jHyoWw2NpyOZm1X6nWE7_aun1RXgEA5Gv50xoOwYhN.CZ_dm6q",mdrd: "neA8hzkZ8pRqX1hL04GYYdDXUFRz4VTk730kZc4.IFY-1739179211-1.2.1.1-3kWLpQc.2oRKr08EmSfEyElkvGHuKQbkCLdZqoMQgd009EsWHgRwAeiTZkEtJ4ZgO4TjETLJnd3orqtewp6fG.x_MKqKm22O6bZPyIyFTqTrKHIqQD1FLl_895YuivspHQ2Ih1lhziN66h.wLDwjLiTEUnJMUA2usTM1pMs5md8rQax1OgeJwqc849sK_UwMbdZ8tKuP9the.r0merwhwVEtF7m8vCXtQvpBv6kuiVKSWRtMyssGfhIrpyAGhlJSHBL1fTAuNpXMirZ2iv4fQNAnBVkai.BMW4aA6aTfr4NNR3W.hCJGNCaE938k1yqX0dC3zJkEUCvHtd_RiyU8bFRqi63oRvoe0RYM_logoSHl3Omc5juBQcCqyBdRkTujWjibuxUuW78p_kXdCQF1a53eTCAqE7rx8ZtdcxE4Sb_50f5TFl13_2OoTOYXVn3XwU484BwaKRWHsOE_UQOsFjMwlCMTdJfFRg2iEmnOgSBKQouToo_Hy3KOL2_8Tafb.YEOIk2R5ADxNu7Le4KK78d2dtHCkOFIKzmAaMuAWkhI_osJ473HWZFZoqc8IuTXeq.lLa14UqvfnaK79kMn0MLpzjQqpeCrQidxsk7OnrL3mIKGs.3yjs_m1mTTj.ycYhmTmg6MgH.scgENKkvB8nf6SjTMlgYEpUSPz.fEWWNtJ4ehTDsVVyN_NiaCRJ_oeTw89dzjW632FMWp8wTiq5TavknXaySuXOJ.LXpEVa7ZF1.bbecaXCbdOHiRyaLEebcoylw4jk9lUupKEXa9PnG2VdhmVUsQYBCvnH5gpG4MpV1yBTFAnAue2T7DjKFSsx29289gJTqwX92Gz7IurBIhoiUZc5yAllxZ_WnPs3Ng16naZ9ZoAzrP3i2MJbGPhN4PGJnnNhwTs8BtGhmWVoKNAwXgBqA18xtkig9C1giKcW1u9IrxIr7mXnNuOtDUQr_wwBOphSVNtAbBFIINilj_6bIzpcwqfOWhwmKFcDcCueO8jube6ZZf8jranYKtps1QgCybdGRJ9BtHHf1BLD0C3TIay5QYt2lxsBHyY1wXPuxhZaUM4KyJdCOV6ACd66w4N1XhS4Sv8RvZhLsflbc65uqHcv4aAQRoKQu5cvnRYtod2SVk1Gd3gQwuA4q10_ExSm5Hl7vawAntxtnzkfPq8KgEAoKmPMDp2fZw25hYE9Z7Mkw8C1dGY306il8oxixq7Jvp9KvsgtRN0DC0MdNWgN3AB6115s4gn69vMyGXADhQvXpnU45qSKniO8XMW5XyrmxvmtPptStgKP5tLIl.1SMiESHGEvp4.BoU94C2GxTHTDdvrGt0DTrYEt8wcgyFmvkagDNKFzTImJH1YSfNxofGc_v1BWo3mNb7RgflOg_CYtqf5DVjFGt5L9jsWE5xRcti1O4vk.F_At9rARToqfdt_5vm2FMF_BVv0o1uZh4dGrFKB5.FYpl2zESRP803VhS4I6rymczDqy244jE3Uq6NSXRla43s4gsN29bj383Z_.MGOecw7L0KZbs7S5ja2c.1lDaOXsaKWnj7jTeHXqEWkQam92vsn8_AhF_W74kw3XNIxy1INqjiyYlRuZGX_jwnJMN5ayD03rOQ4LST_QJAU76kMT2T1dU4w7toCKKpO89NCMVRUbgeyHfIa15S3aJ_xGLPFt1TTiOnF683NbXVx8ehRzA09.oZuEXKX6gNdQ2nZdoM1I90wUkSKSFv4zbpv95vWE5qI9eZCDO6KMPHU9w7UfbCpucB0c5.kzm8.hurDKOffxrDyrjBMX7HDCgBLvNeqmcSSrTOJ1VjBw5vekrjicfQWRj8FbI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0594d903d6c8';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\/0321765489?__cf_chl_rt_tk=zA7uYv37COGXro0bVSVaPp6NxHYszDlnTeM762Wyvpk-1739179211-1.0.1.1-2JXeNRNLb3Y6J62MNTnmJunTy7XXUJ8IYra9pdgeFIs" + 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