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-aff8vzf32.mit-edu.top/post/3902186457

  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-aff8vzf32.mit-edu.top",cType: 'managed',cRay: '9110b84a7f62821e',cH: 'sVI4kSQUgyU0YiJwRNO7F_SfU1JAN9tTK6.CYw4UfJo-1739406731-1.2.1.1-JZBBYb4iLKh3o8DE3KHD3rFtBbJ342oesf1KzZyDMTHROi7iDNDOME9hR5SwSwKt',cUPMDTk: "\/post\/3902186457?__cf_chl_tk=Vz5PkL5hMHGEN6PwCmmlfxOsZ2LAuhWx.ZWFSkoCuG4-1739406731-1.0.1.1-ydaCpslmRgmdkAys.6dHVmegIARTDiu5lG.ujkFxZ4M",cFPWv: 'b',cITimeS: '1739406731',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3902186457?__cf_chl_f_tk=Vz5PkL5hMHGEN6PwCmmlfxOsZ2LAuhWx.ZWFSkoCuG4-1739406731-1.0.1.1-ydaCpslmRgmdkAys.6dHVmegIARTDiu5lG.ujkFxZ4M",md: "ZlfWPW8P1tQCXU3ZqfiDi2ZDJcwxaf6aQOPnVQtIVLQ-1739406731-1.2.1.1-fFk00j_WIQuFkaafoTVhQjqeugOMSbNSSIu2bZqzeIHHkZU09M0H7_h6iZU5UE_18aYfaY5n5KvMeXuJ85pjcl3vuh5xd4jTD2Bkx_buKu9H2h.f6iA9uL45jSypirwKABEZhySJFAG4fvxEf1cHyJGNWNVKgtXyVPl7dHIsQ39kIzB.PilWCNDgXByDECC4y5Js8EOXrehEcEPvldHZlz0xFPo5yq3RiiQB8bMgm95HlZ_JWri5CY5ZuvlcsgL7q_8az8T8V2Zwit0N53YhpBpPQVqWn.q4cIWmevsirvCylgLGf1AKp.a9xSFQAdL65Jp_cpPjH0uGFDUVT_xn.Qy6fUt_Xc7DVLd5vKnwnB4WuNVDyxztcLwMMVezomSWlLLjAj3nnn7N0.8SR_q7sZXINrx4zrhytnMu8_TGkcPcKitEGFs6VbknG1Vz2DjbPNn5cBJo7Gs2oH0fE5bDLtuK5Mn4S_kQBrxqGltCdLRl5tQhlNB9ulSr9H2OSa20GE_aHzVY9DyZblhZ8Jxj3A9NpRkosksZgCcBs90Be2Tq8RS47qdJ6jROd2G4d6U7_0ZiHH72m82CgDynVNDGnRB6FSviadTJn3VSTKNxKcDsLX2OveccHefI2p8nlqDv8Wwba87Gd_41PIsyYlgQ45UpbZk5Z.7uB4x4lSfxoNrpdn2xQ.OYRbryJUPJIc8i2UBqF8X_kDOez7a9xhd4p84xsFleqKrBqt0F5I4sLTwCrzLHN8KtJONCeRCZeVXqqfiUqkwfaAsBb6MBC3Rup7eDZyx1VBFrhhPMQ8nNPikOb5j7tU3YJMf1fAK4GzwjcKMN_hgBtDXmufeKVsvPOOjXgRPEyvVXGUGsn9B0zwQoDGv1PdKVTs8rRUW5.zZNwZY.nBYwP38_yOxxJvtLIgprwn3jhop6Jlk3K22BPhPrqStJ7OHJCnKmW29CRK9V_IeDdlN1blqf2ymEoKzbRCiusXMFa.4JhzxQATwF6VkT90ZY4so2o_N07KIRH.6iCZ0NlrpE9I2ww_9G4Ey8OikAwuwOHM1MMUNr4w3nP68MKFYYhEtTu7g0dGpbJl57f8p.eSzGpyV3zMQC3AUbQjPOWRPJxn8zFrgnZshLnJ53gj845mxgdaZax1n4FCo5E35W_.4Y6c3K1rmRxAicuqcIS6UuaPhyttjKb0KXePc26qKcHN34FvJcbPMrEM9YXWioP6.2cCltf8r5dZg.daeoYi832bhHu1mgMu6x6yNdxyvmPivs.AOgTIbhI7zv0eCN9FxkhepPk74yKRw7OY4LgFMgXVrdkLO0MESGvJkBXbMsxbRLOCoIS761mVpjv1bvMvGheH0Ez8vKAclpuh5iD3HBKGWmNTSNV6ir1670qCUelnI4xv_ZDZl3lBn_2o71p_nVcP1N1YtVS.r8BtE7dCdmJgAyUgB3Y9ByQ9WQJzkDIxtUS5rRzO4t1vpEsbK1Ii2ikI0FIRe4n6NjkVCNeauc4AxP23OI0kIBq0LCf9cYCKok_tnIjVTSoNdTSNdoC.iw6LuVD_szwAOUHx6Ze53aSw9N8c_JreqTAJIHkqp8QZyw_qyP89Xw287aYdkMZPDjkDfXa9dnniSyNoeIkXik5hnIaRB7kJ9frKRzJZC3QVWqi5pshIlPmQ0EG7y940uhj9SnizM1mIJnKmVeIbswZX2_eIlFSyzkTTiEBhlhBRiVCBbXQZ7IpUzikprx35wXRLo8gqOdw7gF7jUkMvjVrkZyZju99FXH5aFMYDajFE7QqugD30sion.Tr0LO0bPM7XUfjiMh2KQE.8zv5KAHrmW9ZULDgO_3rXap1dxO09RKDxJ3RUaBnJJj9IYZsbw5pPc27xGASrtxnDfk0CDKhOs31krNyyLb09Py6TAZx8gV5mSz_2JtY3a2l3.3yNA2DGElh3c4iLWMRcrh8UZ2EC62bBhVlS2dguaz9nhh9ytHiZwAFiJ4VucpCw2u7esg8.7cTW4Z84F8HEX2qEX3NvrX3_5RE0_wtFVXSEvThfh1Rf0Z9mq0r0kart95EQAfnAT4yWewqHLnxrgLHHR4c8B2plP8fGHJMcTfFTMZ.4WZ_I_bKyF.hRj8vk58GmXfvOVIJXSG0BSa_XG.GZvf8LulvIcafT3rfU.Xl3prVr9xBro8tOqugS.VvZkcsTANrzm6FV7uerZCLQVPlRpUB_MGaFQCMwrJmUym.Kb4nocw6vIN7XcMq2Cd",mdrd: "AH1iys.YZj7GZPpM00mqol0GCVIpfHKdxFMYl.lJ7h0-1739406731-1.2.1.1-wZtI5bZAAmcEzlKC0SxtaVQQ6amHDl2sw2JEv5CZgPrPt3ajdF_jtR2.hfiNxGbUo81bG2wF.LeUDqGDuMFZMvJU.b.nlpfUTaFWbJr9fKSNntGFleQJrt8Y.tGTtNhZ1soT4i9vQVyuNtFl9DV8Pj5o0HPnTmym4CvZ5d5LIXxTmVJ.JjWjT0Qm6njnhp.I9oU7hM3jz4ivfv0bBA0vMHWZCtG0zn2Q.4EDQAXc5fXjwfFGraqHPWsjR.q7kyCufEDBBMfOwC.AKFPa3jLBugqidUU563ZjIuPeeHotzM9r1mw7OiMlF7DFLc.GjdLRNcGfeCZ44aSkeuM2idVlFj_5K8p8xx3A4t_XiSxZVhxifV7d_71GUy8oTigmAHai0SlCP7XLhZGX_7y.HBUBFRUNf_SEqs7XPcm7fyu0npQKFzq58SL3_DUL5P5qqi1RM7KLK5.ckxHCzxvM1JmufxIgtLQ6daCR8ANOvQ8muQ4ulij15ku0uYzihjTqLnNwRSvS5q3xd7iAJRTT1qHM7WuV8imtINnMGZLvf8uk7WC6_4Em38NlmU0ekIlwGG9E3hq77Yaj3zl5TzIh64k1R3pEdgIYx2Q9kjriIDX_JC.lH8lHA43rrMqQ9CXAuepSsRJEY0Exh0umyOMIAGDk5BuegEZY80tzbDTI6wOd28qS3DDfQErD4GijFH.yX3VdGJsGN_mPqVyTtGh6JImA8mfvqFK9iwIbKpTEKbYpFOGSnsQ6sC2cthDFHPJ9xx.Mgx_oJEuyfBt8EHwpN5uqvwNpEZmrTwQ7tzy.OqDz1dHQladoEJzFS_OVhdi7Krrqoyu_EHvJTQ29Womv3vKizA2kmW6OSyKHrH_svVb4hrsl6.mAdCeonObnOE4sC5DBkvmzOtNAkgykc9YnyzMq6n4V5JZPEw5j5rwCaF2Bdd03PMuqna1XO8.TxhL4wkEnBcnPJm16uU6KfiTI2e_mZW2X6303mj68p6ypWqvXQIFddRztnBGnN0UmreOOR0w9MBSh52SvAQfSToj81kau7TXGPMCEzNRt3Sqk0joz6Txg5GCOw7Ib4XeANdUAprwy4ukuiZdcrn4gVrFLV930txLr7YXALLlfrpl3VgJ0J4Yy3ub.K5zP3mabVtfp7oOsv_wUrhSlb1yGlw.gx.F9_Rju5hf5uQENKOha6xCEuHObAwqMO1EKGzLFkcT4EFYs9raC7aauRHhRUeYm53i5q1A12oEKY0gavgVC664435cdWOJr..Tt537cdQld8CDBSR4SQ.AVIVEn8ST9IAOhLRs1bq_QDXp43vYYpgqY2GH7bKVdvYheVhgj5myEV34Kya5NgnotemWAtQoLiIOtwFVLeE1J0of3HhxeQXKVDuxIYsdLlG5PCy1oCh.uMoTXbFrwGLRK8UU84fOTkwU9qNfDIEYsGtPOnkOjJYK4Hc3uK2wT6ALCPUOBKwEvnFvG_YQ.aELd1UIeT1CUPPGuHB8ib8r3ZLXLFDvKB7qGeY.Hdzk0ikie6kgBKmhYMPo8csc258p8KJVCwBLX_k5SC4AiIxWwc2fTk6L7S7viRRgRQgVoh8FAOEDO01HBPZxJfF_HOq7moZi93IpVfokfs3OXaS58FYrBCuke_GZLOBwRHLijnsJyNdSolR8fyWRsb60EvC5xWdqFNix7fYGtKcGVbqc7g1e8udqjVbiugLQdUlhIo6gjWLq.aBlz4RxumCNIoY39dFZeAfDcRU_XV4F7aGvx2iySnDSEl8m9UyfwNbB6wj2phRjKbfjqjb.7yvm9eq4sD1EjIMsIlPy7QPqPWVuSR9bX53C3dt3ACKE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110b84a7f62821e';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\/3902186457?__cf_chl_rt_tk=Vz5PkL5hMHGEN6PwCmmlfxOsZ2LAuhWx.ZWFSkoCuG4-1739406731-1.0.1.1-ydaCpslmRgmdkAys.6dHVmegIARTDiu5lG.ujkFxZ4M" + 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