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-657467898435.mit-edu.top/post/3172508469

  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-657467898435.mit-edu.top",cType: 'managed',cRay: '90f373f89e6707c9',cH: '5D8Ux9lSYAbTBI.28vWk1D3ThCfTQfFhcDHtenN01t8-1739099846-1.2.1.1-ERPtZX5KpbnzeqxY3LzF5057zdyOcwegiQ3ahTQ.HsLbd7ZBCNAmnRyRN5MSLpW7',cUPMDTk: "\/post\/3172508469?__cf_chl_tk=a_qiMJfGPDjlO171aNW38NXStjtzpK0cMyRGwPNpwQA-1739099846-1.0.1.1-gXTSvusOacQeemZyfWOBNLcAK_mpcQvWmCy.36RL2EQ",cFPWv: 'g',cITimeS: '1739099846',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3172508469?__cf_chl_f_tk=a_qiMJfGPDjlO171aNW38NXStjtzpK0cMyRGwPNpwQA-1739099846-1.0.1.1-gXTSvusOacQeemZyfWOBNLcAK_mpcQvWmCy.36RL2EQ",md: "BVcb12L1jlmrikVMKGHUIJQhqMrvhee0CvqEMmfoW4Y-1739099846-1.2.1.1-2lF33sO1.lqGsDlSUmMfDAx3.luH7l_Ldgtpn1ruaE8wiIIBRWt8FLnZDXOFZ6O3O4tLs1NDye5ytEeTVQWjNuQlSgTgynf.q6OSqtS10cOleTMTHzQOBmcV.nKr5y2juzBYUlyqm8N3RKMbiLtaEQ7U18Y9SwW60vKBknJ3Mskrx.hvF9w3GgnfFvz9iknGWgixlULqILJfeWs66GW4HoeHxeWJ0GjQ.Fu7u3QhKzCKNBlP3tCcTu0gNc6vsoU9Ur1yJXODQfDjZPeLjTlpFsh0cAGamXN_Ajlt8xJPDADJS_gaC0lMeFdbU8j0b22d0i.moZiRJTHS2T8LxXjLSTnvB3.yiaJgh0F.4rGIsaGSZPz5D6H9_NWt_PF8jLloy5CC8efgnP_n.19smB43S4sHNPfhO0hgIQfZ0S2xCZFZ1_1D9i5FskR1dfcjkld7TDL5hflcePNuz3L4niGrFD5Qc9DYIi486Ys8dOLSzOU0_rFCqEsY0bo8oK2.Jj92fElRUtSUx6fFFIo_liw7ieOVm3bhw4UANjH0lHBcb4ek9ycKodVjtkCm.zmqx.4yj6r_YQHuaBkXsUHgRkNGbVry2lkYi435dNEMnjsWiK.NxEoLQV949mcbo7H2XAoGCdwXp0dyEAnMaj92k9y_7dFcBRXA.Nh697M.ye2njKPUrLBVqEPWp7nTeC_P9r8baUmSsjw2zb4ZKB5GiV7n8AnczwytT1ZkKlQfSDMs_90w4eTKMKCXHqPiW_kmAcNgyuEo96CxuARZfvvRH3AV00OftGS6h9yc51f.Nh8Br7UPPzIsBEpjSvqmt5KHXcBECLQ9pUM1Rf8GXCokz_b96zgkOxiDBU_HRv.xPhUuK6JnfaGNmR6nNmoKTH43HtxJ8aPFsbTbhfNlChUJHI3CEdRhL5AvdZuzb4SvLsIU6mIxIqBML3kboZawdF7nuqm5iUpTWDag5HbHKrXlFteFHHzdWrIUIIwrYEPlXEbF7QgCAffHRLqNmkwZBEToAtyLAqBvaWbc7ad3mVQXkXEAYxo8JbxfNSNswPLuObcsQjiCITgj3VmBJQm_Uj1X4qYhcQia_i2JDoYPXsI5OA_QtcqOCADqENjAdXoukn7mcQ_Lp47iti1K9H6rHqIR.QpWLCYw1viD_3TAh5sl.JhnHeeNSHxtFcypIHqKYfSeRU7NSJtlqvPpUjbRU5E2ShACh5KgRXLEmnYRyyITImMjTWAGhxcfwn7ZNMasF_xq7nT445iVGRlCghVScxHPOqYeU0OjH33Z0F2U9NNJxN07f3uBlzp6jsnnNu7vw.R8BN7ocX0lwvN9Esx4QeevQjpwE96c3lKYTWvGogVL78e729BMSi.B1L2AoCrglDYLgYvu1ENZSupaf0l55UMf6Zw36.ksli7vvyCfTSGNAzI9SKIvI62rJnefSAg6oSR2xI4hMdUmLyckw2TLxcTrQEeiupYOVniSeaGX71lISqJaze4loTd8NmpsPufvqxTMu3xZ9rZBAMovXgH1VS1tkAai5.qHRoYKIGSd85y1Uy9w.1YXK7DTy7ml0rB79G3sQ.Nu5uLFnH9L7gydhMqNLdlXMkK88qC24HvGhCnSEzNVQu_2z_SXSv96Mc.uQED8tj1d3jSVl.dzDBqmXfcCS_VXf6Y.apdV4eAqsLJlHj7Y2ex0bBusE3D6M2OS20HYs.fX_OrzhgZKDmnhk0ni1SzyLpKpy2qj5530tpW3v42YYPB0S5Ewq3tZ8sUNGhKuNtsDSUPJQ4x7aO0bkSaDNgYbYjOrl41wcIKzs3kwx470rY9BYvpfEAWnRGESa9mxNAAJHIvu9k9S6lCeM5yXt9gx.qZ2h.KgXCPf0y.KqHBXwjCBfatjf_Kulh_R54mlIz_7IAdyPHgipATEvm6jH5We3i7rgrjh2DPS_ytGg_9SB5R_M4z9tiidbNmhl6Ze8INe0jeV216GYYD6U9gqsAiqaZHXr4X57kvFrflPVNprC1_5.rlBmwiJfAvfQh4lnwKlfdj.8tXt9TO3vR5LbKZDGuDSthabIhYCemidf8t1e2OQNM.W_4qnWp2q5wBdoauXeSo.N3EqvG0UE6iAVw_UDBT8yTp3YMruYVzmTJ_B5exc6u3ibx407WjD0kW5E0GICYtT433bTiDXyFbaaUxNmxiKNDxVS4BisF0zI0p0cOCRSVKglWloNtyq8hT_.8bsOxp08GfeqacYeUvp.uxv",mdrd: "pW2NAubxkK_xfcIUnm3cQQCOorjMWfdWvl2RpiHQQPQ-1739099846-1.2.1.1-Kzuk3jnNATrp3tJvhL_zevIUlMktNwaxUwjLMvHRbIAYyp942cf2vCPeL_eNTcUqJVbQfaEJ5ukX53sdcr4QGwkXrJU8HBuZ2ChRdA1PsEP2Rcj3EMjdo6aPs13vh04sST9b0kvxpheQQ72snArtdWz3gPdzdpA5Dqt0cTbM4i0238XnhOMUdVu5PMpEu9eYAPM_6n5LH7eVgakMxGdfQNoCLwt3p_aXaGS3LD6hFJRj0wATcIGUcsb3eeRKFyG9N2HknL.wH2Sz8rL.8uzC88T_X2qtErVmBDQ9Ry1C9_tA2FZaSB_lWyltrbb_R42bzLsUKw9HeCbmybQxsEFnRAxImCyH.IHSjAn4.GfesPeA9Y1YcT8fTXCDo.84AN2wRaveLJn6wvJMoCFv8SLU0isEGaJ8TWnir9aJUOC27MnUXdwjiuXPOfXjLY8Ln3FhO4OZFhNZY2QUX1sQDFJfWZVXJfn2en9O_PP.XDMR4Nl7rMzraJNTKAaoqK.FoPTPDcCt7n58XSLvQjox0Na4Gvb5_LszYzETz48p_ECStRpFB4vEFlTbnYmjhONUwNrKIFrYWZCies9trvmJYc6u61HnxgjsGGxvgY_La_7PmFAkvYDLHFk4C.e39hkQ_Sv2epKJV0BUTR0wmYLqFDPYugOvMVauep6dpmbPD1GYiBTIZX0vMCjzEdZ0EsolTU1VEZ3aZxYnTRYw_IMWAJ6i_BWa_DYc0rnwa7lM.TL_.O3WwDp8ehPRPtBIN2I3KM3NQYTA3h1SlEhG65l2.2Cb4y7TLfPJS_hPmqNokEzqBn1pEwv8wTTfIn_JZvI7XNz2zpip2O3kghW_Og6AE8nYOnltHeKEU2uop2KoxMuQ5Dp1fxsofv9SWOnC6DG1yaTf7k.WFzpqnvyfx.iz_9zqDvmZsSn0seAIQuyATHnHr.En_Y2vRpzM8YDHO569jGbAQGpt.A_bz3YiMlFdgv7LGwaRhIkpFGpd2O99EPjQ_..ojcIjkk.C.Fkj8T.3nRN4gKdbG.uaZRzG8EH3Hk7KpRdqPF2CUgu47mtVQcbq7IS2Pz3P5zwitmw0SmMj5atfk4tP0UtpE40QRg.05sBPnpp8gmO0M3qM6zfImpepeNNaLT0HYQdj9f13UUBXTJGoJQxp0BWVR0bntqQo6Y77SpN476GEIZTpLHYl3fm71KGOhshIoYi38C3vFTV1cHJqlbN0Vy3UWBBYOWfTu8mlQOIUgjc6Q9oozOtyen.qd8ejykuDL5RM1wt1kPReSUmkF3Fh4nXUSbRSsh.z8O1BADOfxkN7ZN5FgBb_Sligw.ulEb7UA3Ou7Ckbcg0czYUXYGtmMctSNp0Y75licjnnnKlPan90TOogZrLAYnQEyUzRfEGCnPN52E37g6SPS6jwxC4.CTs2n0zGIDHHNDGSrcxIMZjHGR0wflLnKWbHuKQ_Tk6dTMQyUpAPXFCI_HmXQMOwW0u7zk7wTQx455H1Gd69Jj9FVc75ZuwnWi.BWBxAMg.WkluWN5huFcgBxv4lop_C9AZMeeR2Kzc0NXrW0DsP6F0pgD7lAkPL6CNNEkjbiPHKUCLbSUXSGLAmzYgFe4g8uctqZBrUfd3Xfd8runMU6LgfZ5VFn2mh8_KylU5T5sd2puLJn7nUvMSGjMKRdrhDwZDp5OXWDl59FGXTwgxPnKPhn8kvJ9bUzzy6TyqWjoGlUEgnmxTi42MAN6EUMQxbZW_eY1zDgdrhbriq7qyEIQEWtWjhujT1jPCmDlKgZ8A4_4aCSd3hB56QajE5zeIrJ2uU1sEG4AYkwv5IRw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f373f89e6707c9';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\/3172508469?__cf_chl_rt_tk=a_qiMJfGPDjlO171aNW38NXStjtzpK0cMyRGwPNpwQA-1739099846-1.0.1.1-gXTSvusOacQeemZyfWOBNLcAK_mpcQvWmCy.36RL2EQ" + 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