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-affcy1f8y.mit-edu.top/post/4261307859

  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-affcy1f8y.mit-edu.top",cType: 'managed',cRay: '90f7e6346fbcd6ec',cH: 'A_SHVJ.DoPyMUPO5Z4duu49IkUm0ssLpgKAuU4_Ih98-1739146468-1.2.1.1-WZ7iUiFTyaJk_b_vLIMqhLAcTrYQWvmcohaQTLD9.s9BY7EiTCqScC05ebXHUAz_',cUPMDTk: "\/post\/4261307859?__cf_chl_tk=oInIMn5KK085B6HmmDn1HCrkvmvoUdl1pNv8_75ynfs-1739146468-1.0.1.1-DV4XqETAOUtUUmRHkeeYu5jYTIgacb_u2bX7dE9VDHA",cFPWv: 'g',cITimeS: '1739146468',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4261307859?__cf_chl_f_tk=oInIMn5KK085B6HmmDn1HCrkvmvoUdl1pNv8_75ynfs-1739146468-1.0.1.1-DV4XqETAOUtUUmRHkeeYu5jYTIgacb_u2bX7dE9VDHA",md: "VjRDRVTmtJFBXfYEZe6A.Mfbydve1mNtAjquxx8uZGI-1739146468-1.2.1.1-NtWDnQWtoAnUGyN3qawqgC4pj1vY2Q2sgqi_yHF7Se0FcrnAOnVgvZW0cGkkRbahjxbdozzO49CQ551o62Sb.n1A2W03WUSz75xBDyr_iqqoS3XmrYaRbCA5AQs_jElnW55kzOkYsi6SRCvtOZzu3FZTLIjCcjGCAy7HmV5Utf0mNUm3fh7KbBwEqyQeR7lqZogZHpD5cfsNw92A2hhjmixnX6ESw_d0CDdp1RFoQbeLjncBxlUNtIZ1SMft5RP8ceQCjo17O9tNXlSO_qKM79Uz8udNo4Xnv5YuNAkMdYoA8qhCGlVmyYsbuhuxq4zNuMw1u5cKSs7pu8WjGsZcxjFGkoWHVHJZuLHSUnRUwYhZZsy6BZUAw5R1lwoiIdD4xqvoPxR7u8IRnetBEDiXM.RHRU4rvgep33rDMFhfHqiFaaMAWQ8bOpv01OKdnYgJ2kMx0CsA8Y4uuCoLlN4qsHpQYef6FdEScFo5WRXEDaSF8e2uHziLZEfQjb0T5GZjnFze0ber4pKSZPlZsYHz5vt_CwxzVCJwzFbAtKNZnuIcOQp.NXv2BnHwTHVmKjJEOGpWq3bhE9LmDIwqNt77y30.0mEHA1I4wn_qaWqxR_Zh0eJHy9WtMUz7op5otVmWLTyQ79.jKOdx1wYCcjqfL1ER02aITuydYAMvvI2mJTXsLaW1m79578ntmMAkwfbwIzdglYGBQFN6AiXqIpw_G0EikKmCfp3MaiYeqGaBAct5ss0DWLBzKQ76tOOUKFjNhAQIKnMUn5kYk3Jm_v97QSfYk4U5eQ4T6uavtgx64BR4EVwp758pdkR_BuGhmwNWtJBsdoJgQLydAnLz5is2edIeyqtBlYojxDzU144lrFwhez7__nS2gg.alm69x6ZatkyUKJtPUVx7PeStNK00DgVALz62YbOla4NFkp8gH5MGbeaylOYXL5G8mDIO7ECWm9LwpXjujgNjEoO_Wg7WiJyk8qOtb4eBOgHHROGdG.tZIF16nb9a6C9extk4QDU9che947IBPIZraCga1oDh1LsmYzbQ8PAOmiy1_pSqzQum2_e2Gi3pXx6ikdIgyjBQuAMNImkPNO67BdgfjmP0oF1djC4IfNGRNciY5SLhcdP0IBCShbaqfgNsMcxPfjcG9NiheTkgkeBccm1nhnSIOvgzMhxvlIkM_qvQkqWxN1LpBWhQJzkESp.XudHOaToHfRZeyHarLt5NREuWahD6eXqXEvj6T.u.PavHr1ChigNtR0T0eS3y.vIOPuR7d6qB9yFdASVxW0yi0SpheF28BbAEAZg4Cy2joQ2JvcQBgCjcjSbGUekbeTsyCIXJQ2mJK_gJutxXHyE3dsJ6lPpoPgqQU3EimnchAqPL_JWxmUS8w489eJu1.is6xauY2V91jP4doyZc9G_3Ylh.zYUD6gnF26etCrYdzpfivTeupgofrql9VffnfHTZW8FI_.Yf3LHeACm3FUuTGBNz_tx4eTLijiu1HVX5EaD_DLJRhR_Dt909a4kfdII0ZAxKEDx56bu1Ztx6yz9N88eg3wyt0AXDJ6vjhQJTkhI37FPJEFxLf6Odd8mvrq0a07MTwEes_wcvlRvpb0l_5PjPre0wILTeAFUk4D7_HXMpSnE5uGhWlDL.juWg0xRLw6kPiUi4b6etMuURjiTKX4MmsIaf_wQwEeYB0kavkOKaw4L5qBWtX1Fo7YBh9ElX4ivOgYzl.nvEEgelIpcWNWaZk8F2kMpVgdsgDasG6nRQ7fe3cITxlAFJXLTq2r4c0Y3x1fAKC8Eei40kF3NNVB2RTDFKU2cMWIxQ8Tnc25urNsn2aV1r4gxSIGyv96nmf6P9EZOWzkBbaz1I7zH1NYh2HYwpuj2kgHoiZIeHQ3mCaxxtXTr6VykFqbHftBeDxdm2BOW3HMb1CCkcDr9w1Ak323s5LGjHu3spTFQBLTSF66YLIwZBcKE2IWjOnZhIdUOXfrynp5sA9Zv2VPQ_m6Rkh0n46GNP77hALwvX7Ucb89pwK597sgnihu9NwQv7.KB88EMOroKOJz9w.fQc3zb2cNFaIBp.wcTH._I1rJrTSuaveyWMhYVHNCnLTkRdQVoATISXz1oyeR_s_pA74f__R6iKWzfXEEIPrwYQ_5Ptz.VDvgnRxL5nMyCn_.mX2qPqwuYvgXETTbngKSUsz5DlkSF1fSC77aeGl8OOyu6JJlYDrKm22cGh0yF0bWizvnEOuNGp",mdrd: "0RNlvzsjnHWYNXW5i1n5DW2RSnHM_G6.TwpuTS83gSo-1739146468-1.2.1.1-XH4hBEDVIs2leIIWT3D6pmRKMVrkSbTE2Yn4q62ZCXMA2.z61ZvQZvv17_nPX5CZMLfrQoR1k17IOc1bFy1IRZ352Ch0ws26mQKzaml2HOgAKPPmSIvKXvRMLUBJzcnkHzgNMuHUxNvEUBffob4KLIiXpsNVB34czomn6VfivrCxFXOv0r04FK.jpuNyOMO5Orb7xtdqlIefuV2OA_gx9Tc6pLhPj7aWulPYJNAQ3.1sI01cCMT283bF5cB91dLjyqg_j_pkT.qj80Oc1jroc2.ONWO6bZtBByvXbqSMg9ITttwFF7FvMqraCjZDPX0tMWOFKrE0uWi.DadgoSiHrIWfl_0m3W33NL2KrZ9gDgTXXfAREmOgXe0dYRXCYjVCcDQNIrnuvGTMybG7dbJBgs7nMcZyVnqWeI2UQ4SUcDGVcwbZ7E8jKPCo69KDgCQCI5kC9y2hswmLEdQILia1v9xK5slWqdihYalekv9hpx.wA8Xa9S2uDKEpXbFp0Qo_A6KeHW10f_xYjujNwUTp6Aj52g6C.nh3gZQcjXTChztfAVqv3fP3tp843JMiuuH5erVPwPZYPqMSxyrRkEN2MKhjmChW64bTZdxeYOjrgLnZXwnkfImgUlCveGeoQG.6M6ALMGNQ1igDBJVA8OiW9z5s051.kt5m8RLY9ZgtYKswZ1JaxSqCDbHiTmEQRQm_wJB8eApx8Ynzbs0.r0CPCBqJrIFJ5Uq7RnLHyvvV1Qm_Xmf2MmS2EgaVvR.hg33l06SRnR_gpsxVonpGOcz8PW7V7PdhBSSFzz411zAi9O9B2wY8haoGrd4l3NXZhUKoxTaQGCLIHk0iQc4dVQ.JfF54Dp_7f2HjLFmqhAp8hLJnf33NE1l06HV2uBGDtE9UcvjnvAz8kQOZ2WCV4_akjrKuxRRz1kZwwOSqRq1R.jrXssSBTfcXU7mzge.1PYGXML9x9n6W6V_UxbtVHd1nv6UMPLPr0P0aTiuMpl.EHGhmYjXf7rO0_hySHhHiu4XCZDytxiqKv_8Ijs0dwGB7Y0BBlA.L5gJMiFKOi.UezSxlmEF0sIV.t13ajv1okZUnBGUn1ZVy3Mhx9afDv16K34LUnPq5UcQVv.8qUyk7aeJvIx7oQucZzsv.t_ayYaTRgnPR28tcoFCPv4s08Lipjhz3zrR2ojcmT.SkbBzOd22hdkL.A3NBe0vYqJhB2gsmv1eW3HClv.gkbBFcuYkHdiAqObGzdrW5aIlqG4Gp6a_FdwcM3_ukfl1FnYIKTNaV8cHDKsLlKClq0dsp0fuNmgQIFZfFE76_3zsOt57JezrjhkWr9sxq4A7cna1FlSr32XrlJZbk9JZbQM.g2rtLyCBomdWJiEtDcbrrs7pmax5oXrUwlxnP_5C7wykvlW4GWnZlVMPTe.Mb5H46a8ax8tdD.ptwTwZzHduDNm1LWeBKS6RUUfeVF9cQL2QJpn4QvTDsACLniudorY_YCK3ATvwJGANIp8lUnOOucXSbnxuuQEIQloGBs8nt9GWkOL9enVPgaTCFq3ft_bqDnWL2vt36WRXJ4kMspyxX979NtvepAzWE5oU4VStIIG_aNBtpWtEMDnOWJwHZmcMJwO9fpzd8bP6DUs5SA1.2V3rv3WalTDjFTNie8SLqq8cjscQjyzByuUkrSdaId7amGneGk8vQKib2MMrLcxGHXUOXilegNNDjEfyYzwsGubN2cHyZsCHr0eJvm.SRSUnmq1sZscBISbjJKwbWAzzGLcX9hWo6JIiBh7BEe1Y2zezq8Ak1UONVS9ZxyQupGQIssIUDtg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e6346fbcd6ec';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\/4261307859?__cf_chl_rt_tk=oInIMn5KK085B6HmmDn1HCrkvmvoUdl1pNv8_75ynfs-1739146468-1.0.1.1-DV4XqETAOUtUUmRHkeeYu5jYTIgacb_u2bX7dE9VDHA" + 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