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-aff8dvrqj.mit-edu.top/post/3724065891

  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-aff8dvrqj.mit-edu.top",cType: 'managed',cRay: '91104845882cc940',cH: '0gnHP82p4RRAUgfKhxOH55Zx5vwy9b5uk8P5UTLbhF0-1739402143-1.2.1.1-CroToUDC6EdfAOn3ERw9KuWxJg27mgS.QlFwTVKUlZ..HfZb2sAtS2JZXjP_R8qg',cUPMDTk: "\/post\/3724065891?__cf_chl_tk=722dDdF9GcJOqP32e7henO9NadZqCzzbm9tZWNvdFVo-1739402143-1.0.1.1-Ei0CnatZxkIUJfoROf44WKlw13wjJG70RVvdKTHSnsI",cFPWv: 'b',cITimeS: '1739402143',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3724065891?__cf_chl_f_tk=722dDdF9GcJOqP32e7henO9NadZqCzzbm9tZWNvdFVo-1739402143-1.0.1.1-Ei0CnatZxkIUJfoROf44WKlw13wjJG70RVvdKTHSnsI",md: "dHMQwjmP8KhmImi6YFS8L7Yr4JHrHGyPvLFiTYxzbk4-1739402143-1.2.1.1-noPSaFd9mHKu4qp5zHdG_N1OljVhLs77gW0MyM.ZFSrGmHkcBRWHbxrhQbua0n65SSdhjfukI_8MIIpUkSGHENH23lWFtV3FObjn6AJFNpEXMpoamDufaGI6dmXLlNwWk2T1EocO_A4NU_FT8JHjbgGJLv5sCXEXKdvOmbQfgnkI0xvs.MI0V5_GVMlWht6gF8gifdoBFePvYTcBLp0H2fduLdkSPe5XFrx3X9ZpL11JZyByOz9V1Rjv2P03vbprWzdzGdInp867gHCumU.TYu1uELX_z9B5BwInNgLkxah_cRWmZY8opuJi_22WdPnyuLSiivFf78hf0F6v.NWqXddvZ2qoxi72hCS8dfPwW5tX4X1uUfuBug9DXR3UzUHM9nYZ2fxeay9bwbbZkuG_zyXChHiSjLf7S54zNBiLWSi7VMRk0uvOh.UJGs0RRgXb0xqSH2lcDLTLn6tPP8dg.pje1JGw7jCP_BTXhX8Bg82W46KNK.VqgQQ81cqLIkwGCMnoob5lJzn6vIGXy8Y4ipc0veEQaf3YzSbmvsKOlEItHGGAvqMpt5.dVh_fqaPa.sce_2ajGaFFWmVtQ2VQeDuV08_gssR6Hb81fUNtub3UmUbrh5_FjI1iuWW3o17nCveGRmOhL7DVLBtPcWo_x4.HFIdnubzQh1pW_KJ7KQQ5eYuLhl6ACjpzrhxEzEq5RDxjY4LUviIV5n2S3dmPlPFLjba3ba.JfYfyUc5bUqB114E_oCArJNRsC6fz8LFl1wW2H0Rth_0dm1lf_GhMyH.akKilktiy6SXgyqI4KmMpkFwAW9D7c2QqFqAKp4lBkfu0hVEUlMxqVk5cfrY648LUc0fRqXrNNCSSN2RTfZC0MPI0o6nJ9f6JFlyjE4vCyTofLKYgPbMcHGYcyiIDv1H0EQfmTYJFlmyihhuMNCofaP3vQz9bvvoPYnSZyb.Y9IgBADy7z3K0SJZlWNkwb7epw9qm8cWa4ei5Bjv7MvLZJ25cOe.o.kZtXaKtb1_HAweJo1Py9YIMxCq0zoYeuFtMDNSC.prxiQI74XgKtnEe.q_i4glgXHewu8bSCk8j3NWVHoElJ6NGZfu5xKL8jsrB0WmnTUlVxZSUQHjXwfYljG8rGZc6hHvbSVAItlKQeEFduanJTJG7jcsj2vB03KcEW7PredFpaVn7Blz1PBIWEDKFsSlaLXRjGobpot0k0RWj_0qB0kg6iNetE.zyXjG2ykkcaB_.wLhNlrMZHkEczC7BEmplz_kMHKd1yzVqqTM9JvmfgnmswM1j9jLqBhmT_5MbZjT0rVtVU7d5aSyIf.ThChqb5u9Mq.wFarluBC_L.Jct1OdM45jx2MSoe_Trgz8xHm3hMVuHM0iB.LL04.XkKTBTKYb5aWbyI.W.Wj8f7BoXzoHTjma0.5fNGRa0eNGakwC4nzFn_kjpTRv8UHZqilQ0TQ_YphXzwsFlCSP887awVzh.O_eQlaRqw4Pp6ANo6kunVo1jBNFB0iffOtX1EfhnEw.8IhBmLTOQ8Koz0l4WWUrzVhbtSn1afA463OVpuxmpN13VISTLr0kSHXWzK6epBFIZUncvtIbZ_23Zx_sq2mw1LZBxVT5OF2N7T3INbckl8msVOST80I6qCIzUXIkx2Mvrf53vUuTSvQ7psNP_G5ZzqRaz1xTySM0_vlWYFFRzGIl38Pf06QDt.095zrWmRVCgKxW1uKZ3ozoE2YTzo.oB4I2V4fg9qRYrayTaJ4ti7y8pK1YTmadN.NH6kf7UZHPCgEf8OKQe9qn2R4eRQ11hYw_wJo_Sbt28UUp_V9lPaDtVYhHP9lACDyyrb1hg7tuIgGcMAKDPW23nyZHThHk6CSE4MVdtdG50iR0KL5dZ4Z.s.kS46B7ANUhtHxztHdqRQYDwTBErXx15Hda7THL9oVnp1QVGuQAFIU7t0sQSHmtm9e_LYZjligYHGe6XUjbRRM4R2KDpEB6h25hNU5TdZ.Wr6gb90hHZ2NVy4wYkz9pGR9FNgT6yYDUN3ZmCIFQTtqrYRdpCS519YYSfnR9CssTTGfhHtyE7q6ZFvz48XSd6prBzVutc4tHS54ED_eMXi3XJ6wsvzTFJuqZ_vpWfCIKYMPU27XCd.kblY68fWyZsdyg.pGxKYZnRvWyFyWBdakjRgavdWvR8NvpqDMzeHmH9ClD6cf08mAr8UBqnChC9fRLnacTjbtwz4EA3pGQUuReMNm2y",mdrd: "GG1TdJ4zZUbEZ662w0xYi4Tr1b9uSGVH.bXmBgSBsgg-1739402143-1.2.1.1-QAW_9ly1Gnp0X1Kpt6PxHqqRFqUIgddzSruqGWtrVR48XYR8yB0Mv_unPlC6Xb0nq1LR.3yBfLdJvitPk.McLDUpmGfmjYlxDn9.6IB0LoNG1FO6.BHhF_yARnmnY4yqGxIzT0RapvGz.9E_M54ROwTNhLErOwMtEqcc68zcoBj68qTUOVhrVFcISsHHScVFl32L1ThP9SBgFBiqhoSuE.h5ZMcOda3.UUXnK2R8O9oXtZqfiLMsnVZhj0OoFdAA7zRnxnh80FPFBuT37bF5q2M_HQn.aulUrzbApMKp9cInRA45HHyJLGBOFpaVTPV94CChyB50hxvdiKBt9ES1IAopFc4UrNFaC3K6WLCNTuRxQzGuVGJd5BXkhzrTc3kHSdH5O4E2hoy.d24ers1V_SA5LHOKtT5thY21Jkff2pCUEhLt4_S8bvCimLtnNiXTsnfgAIWcfTe3Kq5ZsSkqAXTb76KBCSzwP5LLjWGaAxBzRTwua6uLO4U5pzER.dMIb4Xh16JU2o09yvk0Hz5K7FyhZ1LFiz.Y2gAmaXvIYsGJvKSgca9lUKBoDFJLBZ2DdH6uPg0J.ffcUUGAZZZ3OFTrEJl.kRtaXoEXUUDEM0Eh3eTjxZJVOQSrsjo4km_W8iDLuqRRFyZg4L_WkF89Fg7.1TeAHab_gXWZiQZRmWvaJXhPgm9dHqurLJjP.Lc4RDUP5pERqu7fTSP8k.glAjrBdApmYcTh7KlqQRdqM1HGc2nmGvP2NHM.qnV7eU9fn_EzpX3f_wTjxzP_5GME4T2VXypqMRb6lE8GGeCrYbvo_PfBFckz.GBL.01vJSpPxKkwAs0WRSCbEecFlYyBqmW6ibuBPMMBtyc63gNIUxrvJTYRMWr1Qryu6lsVe5Vf0lrwkuL7N2lnWNQGIroJBZpjfzZXw20AWFYJygoEAR8qRnKn5zNtPUbJ.Qqz0bJeiWaRvr.pbkqDDwHgU47r_LazQ.eRBI1tVaG74ImalWyeX7nLXE_MWbrJeFM9zd459jF9Cc1x_9lne7heBrFFdbFS7GqTsYgsJLXPuxgIEycPVcKruxrdqwjCrNrJUtsKjwtoYHZN_omsYRIbe2vQXVImlRn2.Ts301SBOp0r5o2j2XAeZEwdED8NyEScdkuF61sOOivDncgazyt5aej6lBLIMqHmeKX.oiK_NnwemqSs_a3eH.88p7VxJBbCemmvHN5Y4_RFZGp1Y6vga6RzwpD7oXj1cWG4iM939NEYLklvcKe0qIGzGGUtll30vnltnE2Ys.KwWwAODuKuunpacEljE6OIyXmuv1G6KCWLJa3IL7pupfp.hEIbsoiLpDY93chsViepQiSYmjo9amPsFJixD0H9JQKiPaLqqo1dIpBAOb3S9hO6T33FyMd7Wso0EuD0pXpZQheWCJfFaIdBwjxaZAO84sdOfbCpkhd4EPrx8F7V93r.GSA1aYJuOOaPGL4.oXijqYyPST5vz1XIQwaDJeAxWRLsGcJVGGH9BkJJ3oneII43Pa3VkMLUktAJuJnmb.Gmmr3Cb4gBsVAi47Gl4Tcm3vb3_BdLaZle_CVFc8vVBDqgZAiYLSQh3OmtZHQw9NHjmpAk075C1xCFcSKphSgFAJum7zVTjm_9FH3aPl0Uc06GowKAc9nc2AZZ6s3j_D6roSBFofLT6pg1c9b6mnNJeYvn1isTK3zt65ga7dLKF_eFodFuQ3VuscpztE1MxegOtDzWzohrZ5wLgoBc3qmst.aYJvEvETjH1bxSw90fRZ9EdoXG0Sx.EjrJZ5hVhzuXubVnvXz6tVf7rg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104845882cc940';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\/3724065891?__cf_chl_rt_tk=722dDdF9GcJOqP32e7henO9NadZqCzzbm9tZWNvdFVo-1739402143-1.0.1.1-Ei0CnatZxkIUJfoROf44WKlw13wjJG70RVvdKTHSnsI" + 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