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-764082776276.mit-edu.top/post/1430789256

  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-764082776276.mit-edu.top",cType: 'managed',cRay: '90f23385ea2ec5bb',cH: 'jSt.X81EZ6gbk5icPKCXf4iZZh_IqIUkKu_eTceYDU0-1739086720-1.2.1.1-zkHlaSarJWjjoopwdWzlcBvhDhDAtyQkKIOlU7aPVgU195hd59fO4HMolpm4nutr',cUPMDTk: "\/post\/1430789256?__cf_chl_tk=dl4ItlvxWPgXQ2meDW5QZTM0VA_XkU6i.106FP3v2bs-1739086720-1.0.1.1-UMJYB4CICYnlzwdOy8Nxs.nsQUR2eaM2vU1v2tl4C7s",cFPWv: 'g',cITimeS: '1739086720',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1430789256?__cf_chl_f_tk=dl4ItlvxWPgXQ2meDW5QZTM0VA_XkU6i.106FP3v2bs-1739086720-1.0.1.1-UMJYB4CICYnlzwdOy8Nxs.nsQUR2eaM2vU1v2tl4C7s",md: "a1YoWe8i8zDMOQwmClJH_R_B4sowU_OKCEco_09c5Ok-1739086720-1.2.1.1-T6zgV_1ATLz8d2TAmd8l5e4W05dcgAS4iNfqOGzRYsh8XTylD9QKFTQdQ8ZwxOVoO9CsA2G9eiCllsRlVgy0.L5dE5AwH5jUzI6pt49Bo68QXKueOfTuikLGTu5nGEqkM8puqzSPJ2mEhNB99ZUCPE5lRpLz.umEtlEOD1jQQgdyyhN6hxa4PcKbSQdQp2oNnMGPYlAzIZUd3ruyAYzNJSZOnikiA2nw7P8SrfRhZNP0ceWw.xAQEPXHY5NvK6h1x9lE6UUfitrvH73HzEwpmTanWkVFnWY9763IGEtCxSvxnN4jwLGMjJLjVbupipYK.2tZa7EEL580YJ6DjfYm71U11zDL3T16uLTKJyOdIFvLUcy2OGKAqBrr.UXmljGzlDEV0fykWddw1oJBd0oOJ0eNrGHoBWfHhKEUVqi4ZcgwA12AuBPtR63LgLUDc.2RB6q1kqSmzrwf4Stk41uF.ZqrnVN0FyqyHnGmIq7Y1ECyC8LFS2_vjUYBz.KYfM7gQH405Tq7H7LTq5mCQGE5fEkn6JsqDkd6rKm3itRg24L.s48xA9pWck.PxecGuv2DnoTfh.xNyC5WTbvqne7MI7N_48HC3fvyCtJ844zBVTIPhc1VJ4qciydblU4Py95kZTGizVK_E8y0wCbIjNHuVFufEjnafiJ_B5wBwIDLEtQdQPL6Cy73r4VvodZJjee.LQGten2H9DbqRGCISDqQmfNFDnnhADFT5.vS.nfFzcC_R_jB43WhNhaQOaja_oEn5sBnbz7jnUIRtXr_qYbndgJW7F_OtRVo7fce4xwFzSwyYe8pezwNr6nSDlK6eizDyHA7zCnmIOGl5t2yrSLFeuPs9fcvxnNcFJdLiJhCvv9YuBMcDKYW78bGrse1p.K9ev0mtafGDO0UTcvzIzvJglTjLPk5b7EqBHrXwQ2Yayqz4DG6q_7hnyV7MStJMRMZzr_zEj_zudyZh7DGrPK6byZExy0yKnXuQQxH2X3mmcoKiH31c8qalJ3BAz1ht_KmhBjaR6V1Fa5vDBfbX4.E4SEsrrXyBmZnJxkwlhdt9IjrgpTy.X548ztoUwsWlUeDP88AN8ezpsjGDO0HkoE9XCqBxMnN_vWj6qAuPs3D_Ea4rtQfApylLwO3shl19LLMh5mUZC3BI4AUmmYvU98YiBUTEJeT6FHLlUHV7_5p13hliCc.PRtQ7q3zjMoyhZSNP89qtClroIrKJAiGIHShysSOVsMXc6VUwdFcRvM_nJsDmw20YwDU3IQwbE4KCcIh70FAN3pRAcOLri..Nxb.ypMC5T57QVLeJoVRkpLiQnwHVIGGeVDosaV1sUvTDJyKEYMpLT41BIVTDf3LDpGWEihl.Fs4SQ.vxxNlEYDmFIUrkCcbtaxRIVCjsA980eGxtIE2CUlsP4FakkuvVDBdDtdoo8O3hBtHSFP.CgfyFNBkIkpDaWSoTnCyZdwwDOpY6Dl9qBNkYAkepBH4vNE2V2bhDR7tFQJ3CiLx3qh.Bl1WaYOfK42mchGK3b3G.3v7m09njDHgDF_Mtcy0Z59uoAkQxLOIdVRpjvc3_XgWkwe_H8y4drwdcGLv8PUNRPapkGVzP.eBn4qlg2a1XzXqgmpjkaK4ZTlCoul44.gq8ItvoK2aGTv3Y3jfmPAedTG905J7PX_iveHDJrp6RQnxEjcaXhhwhORG4l5tlMlYQPeRkCIxGB9ty4mDSw_ARt7K3j1vQZJ_LNcrUc0JyUGeO8EnpfEKYf3SdYI2uRQiwvPxSa_Op077oHXcCF9ncIYjyhY3sLhi.IvPhQ6_6kRA0nMwaWT6hbfi2z1u.5EwvWYYQ_QULXHP1JCd3vRb50GbiRhJF_yIEBMSnrbp5YN9txkXQ6Mj47CFVw.HFJ06Xuy4A8wPgDWke58NNbR1z6XL.FoIbb6iyyWvWz8qJ5zzIASZZtC3r7GkcjHW79AHStk64debvi3jd7nxC6OuFBrz5bVzcCOAQGxyVA9alNvSx.OAOlSixd9SuS.BRjXvvqqa8lwghd7vCeUTrcFe22Db62xzlg9BXtNbHlBt257lXg9KjHITO8eiN3f5_UK9zo.RF7m4KQcB8J2zTXvRjsKelv71Vw2F.OVcnScVknrcaNDs5Dt0w3ZViZgbYKeHIENtqQ_fWEyT4pvcKar2tdKX2V7dEvYvuVIphzCxJhMusEt8tM46xhDgolfdr96WUf4_.5m3rrB4pinLmJXdMJDn",mdrd: "l.bZSVr0TG5p9K_bL2jKo1LBUD1e.oZSnt5MUCQ6kI8-1739086720-1.2.1.1-DTFwjEpi1c7vf6WCcxSzJANCFVehPoMkH.jmh2ERjlBC7LfRA2X0mVUwAA9so7L3M1R_zdq1C4SLpGrZy96fG1YqS2YbStsShLku5tQDkLQctICBz.thIl9NewW5e00AyjtWwANx4e1AQiNeQvW.eWlhkedrlgwIoLIA7SQXi2HkrQIXKvh9mhF.ki0bG.9t_EEmtdWOFN41PO.CBo4qIvjBnHEds6mlGSzV0qi2nCIdFAqO73QrE3F5IMmm67MjBPt2TeIp2cotTfFAJe3st3.P772jJ2mFybAy_oHGpt03nwtX_AY.bOb3MWeJBl4QtRsCNX_4hhQtymXO6EFb74jIgnmGboWWdvRhzMtKAStPaPBXuO4Xxs5Kdo59Aqn9o_bEmLC0.96b7WquQAZqd8HOeIO9O2loIh1o36o_GoboAX77vkJ4v8M7sObTNsXvxkPslF02Xd6bs9yE41TS4xF17y9jFrD9HVteKXZOqpaKbTkj9oJEsBE4YwtwHZ99EV5SW0Cwg9k3BjD1TtgBvh0eXRjvSQOHpht4073PavsySGLmpENUxrfnxbGp9Qo40EIo0Mw8VXOQa_FWeWU4RGfUnfVfJWx3_hfKmZTz1__r_gUqMKttNHUnbWwcn41iBwE5Bby.SevMKG8jYD9P88UDFw.g_bWypl8vJiHDlqOA_56PxnmBxBH6ODA.HpU0Mquq.fVhU4qTUvCJ30eAiJnRgCjewS6sXmUiv_AUr1M5Qn0nNnUocdqIRu_1.2zu6lKa2rUI2cNedJWuRweiIh9s2DHzv.8mavrOgWHOShT3vDAjJ_824j7fhGYY4vyHialuklcxoSU20oXFBxOhgj4vIomMQGo.GHdSt2mK5z4vD9x3QZqXJhXnneyK0JClDbO8qNTaUONPPQvnYh73dPVM6ULPWe9TAE11HHpvW58Hz4HZ9JrvO7aax.SEDsdHEhTZr2I3sYIe2ns7vjot3cSQqE3oFsUlbW1GuJZ6owW1rsAnMyrcwPB2tC6VuCuvIs5fm9Vq1XZ_ctFB.jR12jo35x5eNPubrGvQT1n6B4_UB0TQ699A8jBZJWoI9MBzmzrAmgZD3YmjyOZfrbpxxoKOH5vnehhxeWtYgaduiHdTpuPWs40yvACDBUkndrJSYgXxLjIp9dz4lS51pzBD1EotasBRFyBzHBZGQ3AYOMBb3mcgdM_FYDsuGjk8fTDmf6uKg2WtJKN5X315fssO3_rRQDYSkV7UakhsD2jfxW0_Sr0EkSusOIIihjdWo6nRN8E7i.ZURNdLGHVyi15hAeaop9wKo0I1vKZMr3vuJZAcTzsU5MqoGncYWcb8Q9QE.HONaqomjEXcTF3w74uqOk.krRtoenI6zR9LQjHgqB9IBuap8.TP7nWaUqqx2zDDpDDfnjkLS0nyLwl5cDc0485WTelRQ5PpTeUV6SDBzBJG0G0_GJ60_2b5I4tYIgn783xS6vfJM9Z14OyKlySY9RtVqulBkWuNSsbpGbg_viJ.eQfn_jO.sItONrrwwUEru4B6hMoVKSoOj02lJOi2EXY88r8v1hyzOQXFw5MutTojAx1THzJJEaPhPoS1n_bUcX5dn8xZnaxpM4siBRQat3Z86utl3H.hfqxgyMUmLnotG2QiWO841aF.8HuW5zD5eb5vFLEee_mayKC_1.KCspfyjvR.FkbuSsGSBCSf19gbYxT6UX4PO4mlTYG4j_jIDhMn2s.2_FnnJ48W7RK2lCBVNFu0xzqPnkMjlkYDkY0eZUKLwnkDDx_dPO3iCy8MlHL02erOE9WnQ_1c2HSwBppP1D.Z8qGziS1aXZIfwgw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23385ea2ec5bb';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\/1430789256?__cf_chl_rt_tk=dl4ItlvxWPgXQ2meDW5QZTM0VA_XkU6i.106FP3v2bs-1739086720-1.0.1.1-UMJYB4CICYnlzwdOy8Nxs.nsQUR2eaM2vU1v2tl4C7s" + 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