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-191187752593.mit-edu.top/post/3604521798

  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-191187752593.mit-edu.top",cType: 'managed',cRay: '90f43872aa638298',cH: 'maRsgTJOpPhR6dpliCh2gbhMytlMNbqbOW7_4zigGO8-1739107894-1.2.1.1-0DHzs7jX.cjIh3GvVZsncSP9_jUa7SELW9mZuk_bX8ksNTCpYi1mSMmeQO1e7m5I',cUPMDTk: "\/post\/3604521798?__cf_chl_tk=gByyMQ5wAtAiGts_SAxHHNMxFlw5MSkqo88uTmOKA5w-1739107894-1.0.1.1-xX3nY5FPnjUMO9rrLsQReJ9kDUQxvHIF_yypuZZaA0k",cFPWv: 'g',cITimeS: '1739107894',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3604521798?__cf_chl_f_tk=gByyMQ5wAtAiGts_SAxHHNMxFlw5MSkqo88uTmOKA5w-1739107894-1.0.1.1-xX3nY5FPnjUMO9rrLsQReJ9kDUQxvHIF_yypuZZaA0k",md: "D6Ep1Ha0lN.0e56Y8wGYMK5lJ.77lR2DfTnMd2NP9IA-1739107894-1.2.1.1-8sNFEpr_h8t_Fku3L8mKBgVNNh1VrPAsz9qFotFSeBNlGjJ7TuEyu1.jr4_F7iN98fm_61RNJUIH3Jy0XdzefG_mWZH3T3qtX16QfiJ2FnsSuTQnUUkoEL855hez34HFjtot5dvspApmi4K8yJjgwSAUDV0vPopgwP9B73uS4dVRZeNNe8BKt8nq_XMfmRf4fUsFCSIfnkpTaaH52WbSWND5KUMjzzq5ZLFhj3XXDr52E5ZJCVMAHiE6O2vJ91j.nPkruzsicIOZyZf2XWz_39wKnoACjG55BshzWZBkLFTzpTQ29lvMaIryIE9HG.Ux2IRg_Ra.VWnbf8vm9DGbODtLm22j.wftH3WqXqjJI.ZnS6FUSS9H._0I.JIJfj7XiFHIMpXaMXuB_S1XLxfZ5mstKSSB1EUwsCC1Z5lZywWpZIN7O4ZC8N3cHMsXlfZ70WF95D19GtdKU6Hrz7xTUtw2tELRf8JY1Mp2wZyOGJ8NCtJsPneIgM4A8zaF7bzObsIsAi9FM.bJIQoJ.8a_U7A7NSNd8.xCku_zCTn2CPzdg6e4tfWNOlUSaVzn3b8pKiUhATe7OFTOKW.pBKufqjmz30PjhZUDVrJNh6ELeXxucUB7BrXhDYPgkt4z5HcflVu94yJYjCfAVLoxTOufd3LAyKCH1GfNU1ObVtx64K.7kdfmlMB8qxxoYOSti9e0q07I_t2TKOXAPh8q1SZtJ0Y0hfzOG6tyvge1gykQiUMOdtIBYzsXUHQSEcAyoYbYznspuWNmKNgqHrHcE9gXfowApmrY6tknUFfuLmHKR9eGvGrPOAlLpzoGZcRZ4YKnZbX8PhgjWvOImhkTJd_ZUI_9S9u6JyyETf2WFPVoa5QkVhNUG9StQj.NRqnESJThxhJwh70XKHoV65nMDVM5O9PQVIzSfsrgD6_x6p9BrKqSc2vs63ThWEkAVmPIEBCOgC5GsRVtRbsQBGcAG6Snn6f8oK.3lcoa4K9JFR0IOEr4IP1hVX5pw7ijyPJdLJLUBkjTvKmrp4S4tbRuHSiAg06N4Az5BjlSO_3r3cSyyo35e2OxztuVxSDHcmID5ctLlZFx878rPRNnsPShgWxd7LgQQgsZuSC9dWdd0lpV5mhZ68izhyv3GMMY89CouKzMPQGpUJJB.Vo1BqqbjiE86dzW5oD3beVPPPvmUD.4Dwy5RC3HlHx3lV2REVkB8LuukhsPHb1uqLXZxIYopr6r6Wo__n8Re0LLvgDAq78JqgjneHsH3JzANkGTXyZXZ6E7R2iUbhz3AMEGR1igwhv5xiSIO1qLhRJoNyz7BBxkLI95CDza5O1Jt3Defd._A7zsxjOMcJTth3sPL1S2ZcNkAHv5aCQc7lv.ADi4oV90tpwyMlkXxd5vBy1bLzl_N9E.Sf3BBQHIXn3zZzvTJFNyffwGrsDz0NghsRVB4bkx6EhEYIr6NVBIiMzXjzFF3s2ISnTeduE6BBFrbek5f0UGxJk8qgH0PTKxgin.ReEkiKTDV_Bg.bbfrwagY657P1e9Ibvn3HCuKW2v043Ri7Hi1jy8qXHDD47vIHsviNrYs.8M_0ObTzpUaZSKQBrHMfX38VsoAXAnJO.fAvDE8208M7PYWKXJNk74PmWqkqNHE_PQZDZxtpgEdrT9imKvgLp16Z.Xzx_xBtISfw_l6GPAK3dpUcSdb7WizFAIrVblylj6JrOUk.Q3S5Z7buVGyDo9uKTNVDma8UFM7ImK1DrcBjDeGU88xLo2Gy.KLoars6KKh22xcGn18CY.BM_GBnsI5LooVDCbc.qRioP53LNKX_OZvmbKilOBvgn2nneTTVV_NuYGp9aOBXnb92KY7H4x8kNZk_V8Q4.d3n2CtJ0j2jQoy37_UEeGiHucvakfityrP8Cwuw7TQ7I6vi1.TNDHcHv.wVmYTKi_4Ul7BmK1wweCuOBGdkuLG3_NLw4bg1mnE9RYbQLa3ULCqB1XKXmvjk2LrGCzWChwRvz_YPPsxu3gb.gnUthMxbMuJOGZoFzGZuqPLk_4BH.YeKaCm4I6GYJu9t8o2NSwNNEb2fJPaiYiH2rmA7wI_5EM0u6MyBSqgrepFLv5ORXvtI.NsgmWu.deZeTnw3_pY2LqWdMgOQLWghiMQNQE7sYufIwYAbOfq.WDRoLIGEj1am.0c_xyHzj0zjlx1M_K5AlhKFQKR.CmmaPnErpiF9oJjiVqcF4mYm1QvEPSW8lJF_CBTH_t",mdrd: "oC64v2n0Pc5wKtoQQQK2Eb.LhsxjN7G9tSFVNEd9PN8-1739107894-1.2.1.1-hi_jGXlFllG6HhV7xfJ0TEN2S6gNhNfYuzsWOWGu__DFk4K.hhxKABIWIqYwhlKoehjLpDDun6vw0az1PPwKLxOU1Exk4oXGa2nZJyZbrOZoxJFyDmTl_637u9Iv6luYC3njKhV5sSd54aPLCTWyZrqHlJodUey5LoMoP1q55sbcepgZy75WsyxiVdiF2NSfwrgYdJxYRqMm0PQ.nwwXNsFsGfAs9PULOa1GqAtVoVhFk7Ucw3MlfXYsltV.36htk3GslaXMA9VlRNgQeJAoxd8B.alL0mq8VHLxhgo8TANbKlaSrVMf6PiiMebZKCW03Qde4tUCxbKlzbGoQv8RdPrZc0AbWh7UZM67sjLOidlJoEf3NwkmY3YE6PLrfMwZRauhTfcaYyxTxYj0P7v_t.mbTR5Md_k5RcPpeoAghqkkZmo0Ewqda_Fg8jeBL6Xa_4Hpkk4EOEFKilY6Q.fVZDa2ZNFgf4LjOfC87TJM_wFdiTxPcHdNh55ZL006XzmYpeoVBGUHdZo9ikmwBCEkpvdHwhCSmhnTanggXrDW6bqA2gIvfzTyObYKZ7VS1Y1YutOs2ocC45nWZSGVuujGiYPDhv_y4.Ou6i3yA1K5V0_sQ2Iu8WrloRR4_yYiPCMnDGkpQzAcD0QOXGvmlBRnRAOcw8QrPM_lYrbCz.pzi7PWpFa92qm.IMxLzw1dvFFIJMNzKRIRQVMAZ9AeErD4lmhIBpazbpHc7tpXN62y6lu0K9j7LA0kM.luNldMsnyySprRuHga6MqgfSyRuuHuGoMGUzj7mr1n9CIUDkd7.7WUFfsuuHsx.M5msNxjyFalTDk1CZQoCjkkbXAR_s_r3xBeaHOxMwWr.9pOlhmOWfT9hzKA64i24wf_SDyEuW0LELp7RXwuK6S64Ks8wKJg0TThcXyQUbSAp7FwCPCnlKTBPqgGmyPTC_BOWI.YE7gelDoRidISoD9ShBwTIqlHWPSuKh0Txtqb1neWki9Kdm9rUJ6iBcoplJbAGS3Qkt81LuyVrR4jDTX7TH7k_ir3pri4ylO3PRn8QJk_OyvzMhL0QiQ.f3T7OmyCQdOBT0uK853qRUMemg1FauD3DXbMDbT0gE8McXWZqZRaDn_IZMHOyWVdoJUVQrnrnlVRNfc5StwkOGpTkhHPIwjGbiBBCnrgur07aPEO.6RRlNXiIIvz7V3MaVt2FeuPAsu.c5hH.ru37M.4M9ULYlEUzNvMSJmTnRq8dn6rOgTwZiSTvl1MMRm0aLfrcYU4dzw4y8Q0wihOn3FU_SJPm5sQqSn2aELEqaBR0BH0yBKk0Pll.JbH9Ac3PeXa_cIn5E3MU_I0Aea4wOSOZKFiSF.5t4t0H.SwOCxzONbdPU.nKN7BlOF9q4O6_XVdLSxOsMLvID1kBI2rt_MjyDrpblD6I.rr4Jwd7DnDJ2Y6VX5cIL0DAvuyjm9yp4qGCfz3c1.4vwUyRArbYJfisXY.1R26Jb57alR3d1HUW7352WSM12DFF6jLK7TBj9LlSWDrquegjhUL9jjrld52VoLbkfO27ZPnXxVfpiIo6XglUkcKn3.oWbP3jXRm7OkzWlO2BZk6zs4tPMnpB0QqzpbVF_4X8VgrQy534X2zvL50SqtoPRW8cLpUaxw3lXFKdz9w2hZVjp8z7iMI2ha20uhkGzdI73FY_20iz6fPWfyLMQvV7MO7tKLSBM.EVQZApxllEreIMsY0n0rwuYjTVXp.P_O1mzO0rgF9Rn9munV7433HARV9OgAx0gkxkA6Okzq3AncO8lK9YDwUr9e1c7MkTqj2jnciWA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f43872aa638298';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\/3604521798?__cf_chl_rt_tk=gByyMQ5wAtAiGts_SAxHHNMxFlw5MSkqo88uTmOKA5w-1739107894-1.0.1.1-xX3nY5FPnjUMO9rrLsQReJ9kDUQxvHIF_yypuZZaA0k" + 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