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-417964698981.mit-edu.top/post/4170852963

  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-417964698981.mit-edu.top",cType: 'managed',cRay: '90f67482fe456ff8',cH: 'ErnaD8fG9Kh729jSsM.9bewzc9UGGZl4gAX2.pe9j.8-1739131325-1.2.1.1-6txQdp4BLs7jSgcWSFawQAnPQdIN7awJ_hVGhUZkySBFLTvYmpPdZmX5c17JfuZx',cUPMDTk: "\/post\/4170852963?__cf_chl_tk=Qr9ElDo.TGTQG6wdJQ9vPiQeVSlikOaX6nKRowoMwcs-1739131325-1.0.1.1-SazPhRN9raMMBk48R_CzRZAiOhz6WwvI9mshhwbL.Ys",cFPWv: 'g',cITimeS: '1739131325',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4170852963?__cf_chl_f_tk=Qr9ElDo.TGTQG6wdJQ9vPiQeVSlikOaX6nKRowoMwcs-1739131325-1.0.1.1-SazPhRN9raMMBk48R_CzRZAiOhz6WwvI9mshhwbL.Ys",md: "B1e.Mjb0HHxQOAp.4lV18NlQSl9NeWRu6_J7VTzz1f8-1739131325-1.2.1.1-ywv6M2B_KeelLhr_0ae8JYUReSINA2PzdTnRajtssdgUIg_aZzztEXuu3b_kxwIBFrsy9M7hAyGUma01qpUXBhROwUjFEmvoK4TmYboKrpt8Zj_ndMWIG0jD0yC22sUeV3BrDdqhPI6CX7IZF9DkwDBtA5HzAvXocFBoMd2pipR2gMpY_kNl54lbAy7cgIAYkBQ5ob1IOko1WMvRKSXfHRpyv7cHsNvBYEi7cKez.iEngc5RgSjrEomYI8tb6efJdAruQN7g50QWTc7NTNz4zvQpN_Ih2oz8dDEG36jntnMyNGSF87ABeZ3F0S9Nk1OPDnAy1244fPvPYxAEA2KNWFnXm2ZqjEhMPKgDWB0MJGlaxvsfpwEIqdCR9hKt.jZulLlzwVighC9tEGFYKXbwCUheYoroRk1QZN9V.dXI.gsbQw18XYG01_sUS9rK.wvfsxn_l4pHMzexJksKD.k8zdj1Aa97iQVhrqgK4uwiwglpkFnERBeVgw_yxd9S9Lbkt2YgnyE0RNdae1HvjpVXlTQrPtzTaVteiyu2.2DrDRGCYdA2i_8WAk7s_7QPUXo2BSjHxB5a8ce9My0EE5jz6aW2wEX.58nh_JhO8MeR7zO5pan5dP7raPsS4mn82WtnuOg_bS45BYaHbUK43RSmmuQRp3UyyM7xPJ8aXYM6tK9csC29MO5cg9lbRj1SpXS7WVv2XTFZYY0Yirf.xm0mp9uTaRJ5GLNwV8wHsoe2mVDOOL4UZu72BxiJ9_eqAGIbGFY9W731ZT3_QK9noGSQAgf4WOPfi5A8sctAHQqYyXvqsLJmRxr6iJE5TkltHV0unRdNRrsvp.TnliIz7Wge4z7O3aAUIL7i5gSg3kFPDqowOF7r37HeuyeR9KVvYQqDtVb4q.boecZYdZ0RiDcKOxIlaHjIdEn6WVDHUTxcV9qD4Wcixzxu3AblrSI8wzEdGzOvYcwKS.FAYCac60PgSL2LSEIJCGAvlAqK3auBv_lbJgQM661cxqlt_6rSXi2LM8LbFXokyD4PmFT3iY1QtmTY61LQmJxNDYAX5DweXcBj9Sgc4FJ_mB1Yv1VhVsYbAJHcSiMCqtExbwnVw4yDpr_vSB7.BKIwqMGd19qYglpJu.sHpjLFcZbSkG72iorG2Q40X2kIUSCcGlwwDMTD8EMtI7mP7jckKpZBsMduKAvNg6VAtmBzmAVer_Su4LY3oBPU2AFkYxfBGceUQSJ1OkLrcsoak65fXT1MzXBIvYYiJDkg77h_Hec8FJZiRG.cTXJgy0vm_VA.7x379LP_jZ4Xk79Nue_xs8UG5BgM40P2Qsi9nzyu.xKa4PcgT4n48npG0aHmWFA_gWIgkg8.qBk784JimJVjg8LD_BwajVJmb3oa2nPMM2AGi7xKoH0AWmo2TLThrj9v5jcPFLylhFDcF6noBEen3OCjYY0qvOgnw9kVxZMcNYBDqhPVBismWzplB9DLnZoQdYJPoa7nzPCFVpXXrM9mqBwBXFX5l6WgjJxrE.yZUqVB39xCyZj604EHlSA0GQIOHPYMafgD6ex8Ay0QIwNktpZlVrSiBOiShIT.3pPNsfJ5tqetwXEMBsPcVA8Bo5wm_4OeK7apbZi8.nuCXmKz647eXhrth0pee90mA4tYx5.BfuzSsx1D0UyOQpXE5KULXh7DJSVU2Ejpl3xYabCkw2AhZkqqrgm7K3eT2kaEWm3QUgtgsXkOzQiOswzH2gaZCT7JCXPn6k92L3WQWNoMu60Sq3coInvCUXCZGpAu236vkgXC3ri7fNm7eiBnSNvVn64Pb0.gQ0G7U8Ca_9TElra0TAba9aRtD.zE_DbrKC23bN9XwxIPRvdeFtzKwk2icqs.7qq4B01oOaTV_tcMBsdVIMEdfReQs5Q8z8qzf9BSi1SD1haYVJZFj7pCKyT4_R11JxJHNYe4rRLell5IL9XtmIC9CEchYHly05GEnPrJAXHaTaQTs69EWZ.MaJQXWfFtic.Gd10jcV7i2M2Qg6gNjDTm3PvRg3_Ch1tej.tu_0uMuVa7TL2ge7KTNDRflpb8jtmXW_Iu87iPpbjiL_8oELfl4jIp8mFhkDWVXgUFwDu7tgSb5RCQzHtL6.xHVHFmDJM0hqdM544I6Uh.XXB2dppuyoA1bNnuUqaCNB36G9r3aegwl1H9cvaYs7DaWHzx2AhtJ4Z7sns.BkX0hX8lSXLx.5I5UMFTEhNGJ2o0d92UN46T",mdrd: "4UPUQPHUxdch5oV4Z2u08ChFzNVVaJBe1fZxRppY4zg-1739131325-1.2.1.1-kOn1M60CItDAHQ0uI3CoVhGZjUCSa_iJYmpKI4LnCAnMM.HbqtsHywq1w6xQnXYjUOVZHzvojZCgox9sKrksfOFr2jEp8Lwws1ASgvEccc6D99PC6aV5U9IaLjrF5O0lxr.rBzubzMWUzB7dH7FHv1sSsVs2Q6a2ESKzYhuv5gaIc5eUj5Cr22kxl17nzNeEBB2SXpj98JR0p1XfTHRpEfju9ChQt_L6Xi1P4Ak7U1iljmIVevJBlKJhXFWZGSKnwWdtyuRs6ENjUsSBpbVPRtw.o9CkD0Vw5Jl78jhqJaXHC.dNxBUBQKf79AQ5CkxkampfMlwnaJekD7WTRvQuDuEiQ3xHscEoa_pk80j3vQvK6AKHT1_p7wUHRkRl1jz_Qhb0Wl8A7iptCNI0t64_09Elg92Frboa8vYFMewEez9kz.TerPOxtato3aDYqVtdMZbF_jZH8dGjZF4eHrgDIDlz2d0WZzVOJPMhszkenxtfGtFDKBQTb66hI6pwHwjjZFKc258v8nx_m97a68dyl2T4lf2o438ESXHGpwMTe.ryOoCTl8L224Y3MDmnK8q.UN7djCvTUykk.yfDCIwTpeF.33I5KVln5xeMbA333EEcg7bLDcsl5aHT9PZ.DuPy7qXed3NwOvuB7BqZ9sCom_3WZQikJHKu0YbmTHzRcPYnunuvpQKqljEXaJ7MilXij6Tu_54PoFHuhl5R5FyoAtsjt4FnSk6dWQN7RKgpM22E9J5aqm8GbDSG4qztLkUkLvEdR08GtHKEQiIG_OZQlNy7GDK0eFksvnWpURSw84IAc9vZ3p974__fqyioNl1thnoN3evihFstQNJEZLd7FJgCDXl0G5wBs_XbAO830z4UCy4_cOxzApZWUDt_TPVWXum6LgLLy5otCnEuX3TLpfkqforVLFrmI0TUlSrubOoa4U2zLmas2H4YwjDOoMYfUn7tdxVjKKq9vp2NrItRXZ2kgxhJImoiydjrZ5DqhavvqFN5Kz551Aqq1a8s1dvjCEEiOa8sFzbqAsS0X_dJF5oaZXrRkDbwwa2TSFg3Z7jIXklVnNWhnjDm_OP7pgmfzQhwBTMIWyrHPxsD57PXW2.le0MhrdiE9ncQUYvSTkX4d6FjWyXXPTShb2F_mnz6itOlRzpAEvzW0RYF74uXlhGLHjiLfp37HnKSRlSHhCb2ggsWZQXJPUJ.ZXQFSIDfoyXaOKFScBz_baKSqZxebJxq6OEGQsWwO12D1_l_z4wPPjfUsIdErgpAFN7VC3QiCoVj0ltw5HwStF_AHO.O.cIEb_ls9u9wEaFw5gbKqDEf6O6Zm8dSC46pBgLPA9bXjwgHl.YGGzEMzLmRe9jYEu5BHfOqdTiakg3D07dI0ZNi_vqg.vOlO0VrjwCEKDFkm4k5kWQrMmPC8TLGqIXC7KRcLZ5NOOJE0M_YByQvECw7TRzOkwEPtJ5tJ3qonLtal6q.ytj4ENIZJHVW6u2gSzLGA9Awo1uL96vVlbJOM2E1GZDjg448zCMdnBxxxu._XIiU_yblVyqG6L86f_oWRosAC_CkPvJV0QxghBGpLiUp_n67ZiXWy8ODRrdB5qjQUvDu83N5a4q3yNdbh4TMkzifWS16JDB9_V3zqjQwIHefhJ84P_YAzLvkNLacOlaXReRaMqfdUsUje50c5s8u1A4AnQYFpLvvfvf1_IOMRC0j.LBHaeq5xoQTHCGPhKEVdk6NhAqyHttLtQqp.YlbL9Sddtfpgr0JEfr4GhsVhDP9CE_eedCsbzx93x1N_kB0k9eZfJIT4w520b0CwV0FOCZvL4s0bfd53SJLccx9IMU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f67482fe456ff8';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\/4170852963?__cf_chl_rt_tk=Qr9ElDo.TGTQG6wdJQ9vPiQeVSlikOaX6nKRowoMwcs-1739131325-1.0.1.1-SazPhRN9raMMBk48R_CzRZAiOhz6WwvI9mshhwbL.Ys" + 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