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-affqmfk17.mit-edu.top/post/0347182569

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affqmfk17.mit-edu.top",cType: 'managed',cRay: '90f65582583405a4',cH: '5kGylJi.UynSh2B.HevucVrGdAD1hcjV8WkxNnXViqE-1739130056-1.2.1.1-6.I69lHqRUNybbOb3lsflfxWAFT8D66xI2zutUH8jLR7tWz5jnd4JSKqh74iRBoX',cUPMDTk: "\/post\/0347182569?__cf_chl_tk=IqXEg1WfAefR8.Q1GoWLz89r6E1cVUxBoez8aWYlbp8-1739130056-1.0.1.1-PeOgHS3rGOYbsmSNqapRpa4vWn.nQy2_XUVE0h5LcsE",cFPWv: 'g',cITimeS: '1739130056',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0347182569?__cf_chl_f_tk=IqXEg1WfAefR8.Q1GoWLz89r6E1cVUxBoez8aWYlbp8-1739130056-1.0.1.1-PeOgHS3rGOYbsmSNqapRpa4vWn.nQy2_XUVE0h5LcsE",md: "3jmTNZ.IrCKwN_SLzVmKn8Y1e_WIGHO5Hwcg1NeUQ3Q-1739130056-1.2.1.1-zXso.m_QhtSa7DKuDuuPsTFTJmOoHRfOQdlIA1Cr6e7h_jvKxzmdH2AyNLewXHK_xja_kogG5nQ68YoNpnoZH5nNWU6oKnf1Tuf06l5E8ApJSaU_hPURkO743mdzZ9lEnk1qprvYcSOE98cpTERLGFKFnOxe5EWKD51NChcZOkQXHb0p1WUzTVue.m_RKEOMsT8AQih4SEGpxerARx0KTT1kULnajinlTvCbDqjmph4ZKJtywKJndLCr.X3BNQosufxA3wzay5JmD4nrDFwZcTopfVMrpI3L2TZheTMv69UcbzQai_0RIbMVAVNfRo0MSLEPzWLsrmcBXWNDbxi2EYDmMmt9irgG9hCBcT7V2VzP3gWxg7E1P0dBUNwYXVQ8MbCtV_dKd1CKG.BzBKwrUL64mBVLqDvACnaxAfbEsvYtlFZw_SYOPZpmvk8VGzIaBvPe9gv5qqcBHYDA_FawD6.qKYhFAQCCQXpQ6GPGK1OHwYFAETa3ATTipnjjlLg536ipv2aiDo1FZajT6PlLXcY5mUu2Tmq7C0Fq8Paav5V8ckfY17r7Qk9Eo48W2blZ4bnRiiOWskDFY5qC0hlQGnCNwZPaPPVIvjrr.RQxFJzb8311s8Zqx4wkUk69rQQlEhDYz4DJopO_ggNLlU3iQmpMnv5fYlVw1FvAlnLemBiAJCcDk5MqgA4f2_ZSdov0gHgbziCICWR.I_9ESTGl.js15GuLq2NsF75.AAGS3NuTPFjg2Q3.J3qQ6WU0gDdZuUJuCsww8xLx6FZay1KhX_WvzTceW2Huv0SZAIP_CkNonOFbkFaYlUF6zJuwbW6S2XwUaeqSK0oybbEmG9xSGBWNZz.dpr7oilFWuG1AULwvWxB1NdIHXJfL0nrZKLGzijGpAAbJUTdVjvXEG5gfE.4ZWCJmG3sEhUMF.FnZB1be80Mip75345rPMQi7NUM01KtXzNtS1w4katNLZ8yGb4blnbwnE_mBCkM_jD41UNiwKvZupQ8jS.HhMF8C_NXj8B7HXbMnIa6Dse8kz8E6w50gbDqaD_c5G9sxdi9AT2iLfFUCFMlFnysFSJWOldgfDl15XD2lgwgQB5tNSSFfHLYCXiJEpmzZg2uywWzUsoZ10rMQwuxhVQC6T_hiBvGvlbJ1kxNJ2FgisYuPFFZ_QGE.aDw5PFliyqtAz3QTIxsjNHMeznDM4.uwqbX8MbN_Xvm4NkzfBke9gTjQgf2IxckxKXCxSlz5oR7tgH0iN2..9211mOeSsdEdgtxIGsY6WLh_ac3dMpbI35aR1UVAKm.MaW_S_r72.J95MLP7P14ghQ1VTEqZEua6BtG2aBvDNC4IdGByN.Xhx4BtmzOZzsYCSFyRZ12K1vIuXsg82JwjqkgGet_FivOIdwdo5fAmvvh5C26XE7KzGBe.LI.p7aLH8ugmvVHriDoQhgg_oodPIim0.w6j__l27sazYHUNJsIsI7bIUKiZXW3doeL5bu3.NsWYE46aM7orNotXitLUv.i8oDBV0lLFiPKDaCPWXLgQssvdipw7Op3vAhACqgOhWvviR8pykvBrdWLvISvTFFXqulwGVOcdTC.7.r4KHhBb_yYx7MiIzjarWVtOxFT66UQM1bt968Dqzuhyqy9RNQ7G0N0da4NkTNa2jZDNiLPwSm4vx1iPqr5gth4w7F0HJWKJjqi.guHCgJcgjJkK4lyH8XT43wTO1Qc559EMaxJe2SdbyavPxvRxUk6hxAKd6CQNo4CwTx93ZsG0w78MasRoMZZo916lZGYk4up7k_A5DN_uWbt.VsHpbxwDX96EIk38M4BHaqwWsw6y5e3Fp21Yvh3AXs.GRxH67DzR1wlkgN0TOj5bNtjlCHSTuuUlRbCstIEoVcNG9fg56X4iSlgpUmSvP_AiCLvbO.YxKpXB.B_PceFMWh0NMJAxprQKKdKffrlJcASH5CJWUDqubnjfzm4oFpDL5x_iOz3YI8CwQoX9Rr9A0erQI7azmlVhggtQJhQO7qNlzEooOVecOMwIYLSpWvc4Cuo59VlKh3R351bqQfA7NAobK91JtdxkFKOJPwe.7C0n1qI2e226SYVKTH0AxkdAAVhJOpSurMY72x68BgH0PvR9Yy1_eYvUPMnilb1dzw7SMwkAc0TVgGMA9TWeR35dQln03aw0pKrW8bE5sFlyRuBy8yOd3nybYxFRLZyUcZOww6ihHfQhX9zk76L1wulalPIzBtzK",mdrd: "mrm64VxvmCjYkw0KnZTli4cW6xBEUPJnlWMoEnYaXKo-1739130056-1.2.1.1-xC5IU4ZcZHAOEMO7LhQpCC2IvXlOSe3BQWFPYL2L0Ineq4v9kpvSBvaaCG3m9RRB4RXEl6q7sl1BsN0a9HfNrcXL4FQWOvuC2GuI8jF6mW5tUNLIFcabMt8ZGcDM432ENFOZZGfGMXW1SoLOM1R0tcTMMuuISEJKNeVTXt520NXx6HNvW7.pAQ0cYKKTEXgrzbaF10hMC1Z9bgVg1WI2voFF86lJ.zBm4gNemaGaulIJQn8zk.qtc73GoMXvI2A9saIHgPVkVoiGuL9lGV5lOMWkm7_pIT43scdVefEwP_eR6y3IPovamm4kutls9FYRpedZPorwzvf7en3Y6TNgz0sK617I02ljB5hwsfUwdiRQlvAqGOvmJMEmkdG9rG0SxA4XV2p_hmLD8YH68ppXV86SS4BId97pGnIpXCrZlr6FsSQsJ.utkfYi9M77iJUdzD4084naGTVwJxN6vMHkFeErk4ThF5DqljZM1CXPnCrFjW6vWMRJNtr7BjHVcRGCWbMu.rL4uicFA8Mbxi.CqD96YVuAeP01pCNn4VZl8bCszEGUq4CMmQPRNlrUc_q1w7Aoi9ICdPymhxs7xP.7c06M3euNoB3TBbG36C2.uJkXmJIZWVHe.ChQ7h9H.7K8vFzkFPzaCLmgnFgtdSFR08TopQrQIvyQ1xSyJmTJwAw9tRXDUeeNK.PKmVM_FamFOpEg1ohlYV.FkBeRRs6P4R2dQNd3UXOATRWym4MrTiHi3ASKN2GHJuBy0cAMb7SuFF63v6FE1RYt_r2Z6GeyeO9kZyT.1CQqHWeOWR4r7_jrmrwn0laQkE44R5O35NVC09NVEnGLkw1hh8YMJnnOuXijm0xXqOQIouVeNQ.is69xOJhznAiCU0_opg.qZJmP29Bfj5r7fezLzppcCSaeh78LUDd17GeGjQDZnQqWKCUEO8bKyf4oHhYbDJvF0Z0jjP7ZAY8RgNF8IR_yM1mtQYSVx6xCi3f4DVWzoGNC1XhKxy.iQjbQ.98BsdCsZekoXhS8qcAvMT3e2ML4abudLUzAAURSV4RnQ023LGzo9v2ABYUIRmpfRzSeX8hCFIpkqdFv4JO2tp7kIySZ01y6CbNmMWdq9Vc8yeu4XFKDN.hTFW1_x3pl8H51W6.1W6gFVnEqRCL5dN_HBQILnUDhJDVuWzjcV_KdUzXLtGIPHfkDqVrN2V9QyvtxiTe4mlaZD64EmNtjMYbJg2jUxiZ2YczvESuJIVtB6qBquwQR8rm9hyDmIHa2VWvCObwqrH.wLMn_w0p4hxYuO5OpkK5EKrAfmlqz.pIkvL7YdjKIh50Oed0diwXuOR5DnGCY16ndXRdHHDHTP4Z.MxAX_MaUjDDl.dWZEHBgJyeuBOPD5LL3iWBfMP9Q2JRGAp2EXQWiv9saVulbCSSUXjjZ2ZkNyrBH1PtZa9LDRIpgxhe0P71byPcx9xz3_PjmBVyFdarzODi4tzUFaCt3mo63CFtdLxMxue11PYSqMcFVmzpqA8FMdQBs_wbBhCNtcfhZicqDwH8FK6_XDJ1.MQVODD6rFb9117mnIl5HcVe0032gE0fsmU830fDdz3M_gSjOZG2FRfZdSAMU0YzJTH8cS9kazUpPW.JRpSmHzRvMII_.pP.rn8JTrT1iTKBgVZt4ZZwypg5fGaQDw6nh8etencmrWDLVGm3xfkFMc.5moDRGD6POLIAJmTmHQ4.mMuSvG0bglAD.qGW_YUsgXtDoBwRCFg6vKHeTasLG_xZPQnVrcSjnRmrAytCWjqmh.ncOBeONBXKsczUERP.gmnbljK6reb8mYhu5SdbnxbEq5u3_eRk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f65582583405a4';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\/0347182569?__cf_chl_rt_tk=IqXEg1WfAefR8.Q1GoWLz89r6E1cVUxBoez8aWYlbp8-1739130056-1.0.1.1-PeOgHS3rGOYbsmSNqapRpa4vWn.nQy2_XUVE0h5LcsE" + 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