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-505881673619.mit-edu.top/post/0639218547

  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-505881673619.mit-edu.top",cType: 'managed',cRay: '90fae8f2b9b98226',cH: '2GXCGI6Xzw5RZ_OjNWV1AR.aMuQy5TkN0fvcBO5i7m4-1739178038-1.2.1.1-AANnEk0lBIOaM33pfRN02N5d__8yN5x_giGx8Clruw192OzcngvDzTQPd5PHYo2E',cUPMDTk: "\/post\/0639218547?__cf_chl_tk=W1oNQ8.AHF.go_78iWmK4gt2OIcA5IxrtapPbRptW0I-1739178038-1.0.1.1-lNn1wizILi9CRVjUKr_Ijaktn23AQdYJdquFQeseTfU",cFPWv: 'g',cITimeS: '1739178038',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0639218547?__cf_chl_f_tk=W1oNQ8.AHF.go_78iWmK4gt2OIcA5IxrtapPbRptW0I-1739178038-1.0.1.1-lNn1wizILi9CRVjUKr_Ijaktn23AQdYJdquFQeseTfU",md: "O27GvrQWiknBK0RqimAKfQDP1oPZRfRtBX8BClbz7rc-1739178038-1.2.1.1-wpUekA_K.px9vn8WxlvapVGim.JlwYgrLnNrm0LOnPBfk78q5vP0uV6Dx2NNuR.KWA5UamuXxkK8YwXrzOpeAlSdZHnP1RAYsSIIJxVT7G0BZXAOIHw.bbfXovpUk5a1LMCg2SzCh7W_IuoM_ixAtd4iLeMi5a2GokWVZ8IjGCxnfjy7WtXF659Ui9edJKC4jSPvnOi4LITFK_wwrROwfTvAt0qHEyoijL.hc4FHJqiPxisXq0iVVZHxjAiTji53CxAEwXeWf6YnoHDI.kKahTJjXHyxok40CH0Y.veP6obJF_Z4s8IyM7.VEa3sY8BfGgZNIvVXtBj5HY9xodY5vENj8DHbZ_rCDZIS57TZlhLhMJZu4pUdh0UtlJXSpff974VQ0qqs1JtuBvnq8NAgBrrS1BWX_RsutEsckPG9OAIRLpmK_gx0WaKtGl6Wl3lFX0NaHyEuZs5SBTW5vqiWY0UlZ8eODN8N69U6EpHyzqfGZHqj2H5E0vBVoIcZgwPA9byEngiR53LLs04sSJB78KhkjGpfzzWp16npe4Dh7Fe2hy6.gNimSljloOqeo1y.V22b2rPncwPANmgDh7oQBM2qNXe8bpgR9V_vRy5cl9ClMSEv_iGrpHt7h4ze1EZmeyTEmUWWRaHPfUU9PgmU9n1BdVgvED4HVHfBrbwDFtPuj.umkngFO3c6ilsbY6S40orIVFs2b3lF3u7WebDnzkNIrogKOctSLkjIbmPwhEg32utq4RpODklZI1.mqodpBX4IeyuGbqmjOc6DU5dfpNmXhP5A4CJWT1ASrCltBzPwvPeGZbcGwgzFPIQkorbgsdbUdD6nM1JaH637c96Q1hIqghEdrAu6CePeHgEfjB7JvJl9hD2reOLEmcsJvtYYOg0996XclE0sMuW3IchimfInqzNhnb.uIfhuR8voOwlkUtiJydOa9gdUYodqDOxmFj0mvNSFT1jqBLWwM085FK_L1mrEgsJF842cb_xEjToukHj0hbbVKe7tTCJ1RCkhDcf_bJ4wEo7FJIgihlQ2xL6GXi7oxg5JnN5aIPwkBXjkexmdfAND9JLi6CVmN9D8WecFFWnAYbGU_IQprShZNgatTqwO8V4BnyGn5DB70nAuxn38aGcAgz6gLnYRC6o.MgGqhlmfPTahLERvJ05gRbu4Gc7y6T5D3Jpzuk4TErXzdjX3KIqAIJuAI0dHc8mJTNPKqPtu7dkqvFAdiMCQh.mtnesYogPpENzaTFv7xZRt4u0KmjlRBAfnuo8kivJ27aRFitLancY4x1Nn12R3JH4bnmx0AC1OYjH0JCs6vD0c4.IHsWE3EB_89cTuDvM33y451gKJUOyVypKtb0OqUv2xXZqadpF_oGKX9GE_1tDK3lAmRjfOxUIxAeYq.KwYB1UMD0f_jZPNZ4HjVzR.gtjnIuKzsS.GZgJ1QSP28PWOZAPZew3H9KJ3TgQEl.bUUS1Vt3Eayzj6g9g2AZCccOu8Gccgt8d8yAlAOpaa9rUwY7oiQwC1ehbvUi99UpIEmVoelbwyIEy189z2xUHKYQ_p7.ckOYO9u.73PHtrNfzs7gGL2w0jIAcMmVZ30jyt5ceph7Ul7Dj_r10lY7JIDBVyZjZXy8GuPeLtj_NCjdLTZg_XZ5PauLWFV.vlj4KLEL6W7iQoJyf.fpeadewhmqZ8RaG9WRYTCd9_EW2RKATI2DVRPFBtUt5gcN9RFMGwZFR_vcsKDbpRueFnA7ICy3erDsmz5lrJKsmt0zNMEk0EgDsaxGKJixobvCVvXeRkkH89S5z4E9ymFQcrwkUC8ojlDggc4X.Sa7ssIXBuf0fszeJQLUtO3SJlO_exuTMLkl.TPulPQ4dahcDan_V5S11rAc5wyD.cqAvKfqdJU3rfP3_341yTzK4Gqa6ASfldLx3WEhwRNpkNnUk7tV.sytLTs9DC54dsTo_24NwLZ_RniTKjhrIBofC_Ph1DS6InMcVUq96qMezz6zDS_tHO_Nj8Ri8xevEDzPohH_EiIATRSb_6lLQKmC21BjECkn9KEpD0_q8XxWMtOdfU2vnZ7TzMKcoEE7DtNHgnYdP1Uuku_NMNW4yCEqVfvXTPfRvMqWqEdVPK5sxy8M8kDyT6ToR32gVlIAwV2YcMOD_FZYLi5ly1A6z5pmUkPL_rZ94lX5pIIt0jDE0ZUirm8bTLFCDGEi8y4lpg0IxIyJy5SbLiHoYgw5r1wrnBP0Tbbnhu",mdrd: "J6YvGdkRo7ecNfki.yF9x4FaPnhE5kwlaNmX6wpATn4-1739178038-1.2.1.1-v_Oq_Lv5hB80bjOBaWAbjxbNU7cBiIwTEIEKez5YZYQEMLTK4y0FFkPgBRho2QeLKsTYaaeTig7PQcgn_rix3CH1KYhDng6nI9QHqd0Fs6PWlWjGhvEm7SV0eLBvYslxglMN.lwR1cnSMH4fKKEOakLRdaBJbbRbM0uXjW7RctTBXmF0rQHDdiFPNwwTtdvDXrglLjD5uwJYkFf9UZaN6mn.7EjQjN3FzUKPfUETNNFxCQgLA.EGJhl.ntbhrsMQGJ0X8YkuevUNQd5YNGqUJTR6RUB0tK1.5cTRXMdaJeayVsC8PP98ZC1W0yWVUc0PSgLJHRakaQrNRocwfV3SBCDoUudnq3VIPY6iPoUSEK44GxTzIbGjNkaM8WkbX7KKj21B9Sj04akNzeDFeZh2hSy8odUmN4atNK6mjTbpeYeccilIrePVwfPytdMfOvokzHpOA8x_l23mUQqvcgqmbWuGUAmcQ3Q8yVk8QiPCsoAW2Kt7_fHCcahdUEth1AXsxMEaWp3V2j6CWVJh2PfD8HIk0jRa_IgG2w0nvMU22J15ovtO5FM7AsnMI7mHiNsOFxaB8leX03tHuZuT_ushgPLRDiwVr4vUxsYs8ZSFqJ0yJV3YWuikR4ogA2mVhWYHkjY7O_TGxjPALFbD3nE9wvx4D.WRp4G7g3zflPj53InaXXv3l0Zq.F2dlcmTgsFs8uExu0XqQVBI8KmBMzPkoMaq6z6CNxsD_8a4Wns.DNc8ndX0udYhCSYc.v5jScHpCRHvxbd1HDPs2AbYrDmXRmJ2qT1Pt1sqEO.xBnleutnTP0dhbcSnek.wR7PuDRCCCX7uWACtq7LfKtyqPvmnpgY9YKbmxLODxXH4U.0vW5kxucT8REl0EOwNAL.JeEZtk_EyRcXZValmKHj3FZARVY42GBdU60wDByKKsIDfAQmlWNRVMC1HkWq671dRg_b5IFXosAlbfMmkzS50WbbJMTAGRmWib1JQ_aspjr6lIRDo5at0q._Uy9Ks9X7txyrDUVQ0I5smdL_hamHnvLLzFSwAgDRmzCJCZHT0vob.RY5k5uz4JF3hkJjXRbrUxmXdixcsK8pdy5.Q6tBPGCI9uV2wTHoRYd8ilVoR0FlT8HSzVXSRjxPXvR5ws1zBPmXFGX52w_MyCutM3D2YNZ0qIDbQk8EKvj63pmxWCBP_Y3BJXEq623iJGfY_MNL_.dHPhm5x_YicUAEBDgm8E_6ktgWuDode.f7YDyKbCpB12WpKgbVMJ4CVvSzLdE4WVLFsmxLuEVotWYx7v8Ci_bYlUkzCuPcmwY0qzwVyi5NkhfIMOWCbx8Y1c0EX78zipDZ0oJnsdU11COlv8R6OsYKJ4mxV8kFk2rV4Hxo4qDsaVtVN.53hmmPRzllMbxgVIFHZlIHm3Vj.cZGKRc_BAGDsbCBNfiN7UVq66mLpldpBnxl4sm7ANV4LjwaIVmS7hyzI6qPxWuyKZzVMhrLk2rpVruw3gQt2CUOgwwLbF_aftWkqdF4ITsYSBREnX9wiQgYtJB1QdELGmdqHG98lKKWL3fdqvmN6qFZeE.UO7pqMmZN9mwdI3UaurKUk6Bw_2XgrpKAE4m4mjhsJ5P5IxFnuyr99cbQpjNoA0D38PezbZEGOvOIBygWC_Z8h7iTW_mmLvgbLZSQr8V2tQSMA0D9m20mmkhKpp14oQdvnssMMulwyBCanS3ZsNDWcKxPWaYkZ.fM8PZGCGkYID1x63wl4TQ5YayxRf65Fu7DXURFT7vEeGHKPL5tyLllyTPEyxsiwm.oU.vZ6QXD8z_ByshMS6mI70Vsn6ERCKjGDBEYjG7g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fae8f2b9b98226';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\/0639218547?__cf_chl_rt_tk=W1oNQ8.AHF.go_78iWmK4gt2OIcA5IxrtapPbRptW0I-1739178038-1.0.1.1-lNn1wizILi9CRVjUKr_Ijaktn23AQdYJdquFQeseTfU" + 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