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-afft44zqe.mit-edu.top/post/7506184329

  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-afft44zqe.mit-edu.top",cType: 'managed',cRay: '910f87026d568006',cH: 'Qq7qNRnQFqWoACiGuaaXvyqNJXZ8BcfYnmS1qTzIy4o-1739394227-1.2.1.1-O.o3HP8soMK0ay5KRVmlfAWVPhH9HkNatDZyl43heyEMY1zygCDO3d.49VVQnU3h',cUPMDTk: "\/post\/7506184329?__cf_chl_tk=iecqw..bO3OPMkJHaCjZaUXfBPZU5G1hHqc63JLIn.M-1739394227-1.0.1.1-186JujcpYnNphQKHIIKxfmEWZuYX1sPtHtGK1Fey0E0",cFPWv: 'b',cITimeS: '1739394227',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7506184329?__cf_chl_f_tk=iecqw..bO3OPMkJHaCjZaUXfBPZU5G1hHqc63JLIn.M-1739394227-1.0.1.1-186JujcpYnNphQKHIIKxfmEWZuYX1sPtHtGK1Fey0E0",md: "XORbeP4gZjHjdK5X4YnHbOdwJai5UGGogUYnmxcdiQk-1739394227-1.2.1.1-Cw1bah6QaMN3wCxJs2Ft8YCiwyKdEJ310RsXJPgwbyO33gM.SyyGx6h8NtVhZDRQefhExXonK4YfjJmipilJ52RKjGcO_DkYGsUbflwYsp5xyrff7kyqP804jkQzXnlCv446DcOO7ar_SV_dEZix_6pkL9gen1x3Pk9lRtZUkTSOrQAFLgrH74pJNEXAhnrTteYAX6qZIdHlYZtmob2u2kaa31FkcggmYvDiHG4TQDN1iWnb0.Dtae3D1hjXt.c0ZUiG6qTU1IIBlJiXQZaiDWXL9W.U1ORW1t3d7UrnGc.gfCco7_OtGhrGT0Uwhz0GeHNTnYrNIkw2JvZ6Ib6y9NL7gYuneWDHyRpE7k9OJCDPGw_uoUloDCsSkIzIrn2r7JQYuVtHAGiRSYK6tAtj67Zh7F1lXgGV3iSMYeCxecn_et8N4lH6TXjbcPhhVga1DUP4mBTVVCAqQ0hZ13lS4GXcoOn9rCCVwjk_TaKfO8yBYuceJfWwTLX1F2JHtmlQd1G66agsX9psIzSQUy8fA.g_oQrFidhr1zVDYw_EwMH07ZPJEjwYho8rZ8AKvid8PPPxoAEDRHcj_HL4z_V8Je57NBGcEU3P8A0lJvG9mIeztEEt1Om2BYqQeHByQ9MnRf.3agYdJL4QthBiwhY7w79Nmib_Fi6gWN2DwK7.4R_rOCoLJMPF3XICyMCuyQiw2g0NyOHyK_.ccWKc2xX5KShM1HzuFOZftFqoy8L34BNRyKAKvCVYyyRF7n2SCwYME8qB5sBbM_..izxtrvKoJ_dWse45anE_yWJPEhgYGNEIHl2p9_F_MhhWU4Zv.cvLyp3zATZgR6R6cTVXiWAxtz.WpS6OGmyPYWOKDPEvNBTXGC8R2fGisTAK.fZymQYt_kbWpjAxCStbSI9.rCwaJkX1ONvbnKQ6A.ZDhU._DFKqc.2ASjSAx0pjdc77LJ9mp6Pkpxe.Q9vuYZPhECFC04_oLAWFt5AP82lqIPyiFC58UBqNxecHNK_eESBbUwKI3o5OwqsR0h5w8uH9HsVyKYDDXeVLsqRwZv4U8hZ2ozigLR_Ku9hchEtT2NABkRZzS8Z8bS9ACju20HQVHW9BLuuPET_eW9vj0ZjIiqLFsiR.u1VitTlXqRwuBvcahxdnUDljV_cOUyjCoAKlE5SO4ZZGZ7gqukVBnDYVRToPLb93L0pmJu4z6Uw3JTfyt.eFZ0r4977rOwokyFN0k.oLZkQ.XPpcp2qgySeEOROTgmPTtRFcmNbF9wEKLLXodzPRKfwHJj7DH5n4t85Ou0V9sNGzjAtbNFii_ZOauw5EsF.oGQ_sHos5EnWlEVkQup65X9QWqp75bBnf9pnIJiGdKg_bkPc0Fe4kZEspmwPecyB_oQKiRSmr6jWyB7s0S3imOOkQLFSqkavFy1Alt1iJcuUTqg4LRrzELdHTAv5TOhCXSWK5Qffwgdn9yJdys39bM6jHVsEUgtHyLoqljQTeL9VSEREHfvt0aQhTAdx4QIuJBelczDbSA6Nz6ebxo5Zbstl2rFvxLqewu3l.gVbpQ52TjYJjKqNUwQqQ_06gEnj9sVYakts8VhDxbJX9CfDp5EjYdnMHgZOOO5JHryl2NVH.dad3LsWo8Ehk_PE8_SOhXVpCBHxBXJlMqzKlJLt2ugMGINvOtuIzHA.iAYeoDBR7Ce20UW2sQM0sjO02ei3xJvWjGL4QdoSfYqMuIDPtZH5err3O6753b8Dc2RBN9gkbNR7ks0tM2J1wQlTDnuStWgYTQSPxGyz3dpQRSacC1EqiUmrJ7w7bT0UoNi5v6YOqYjEbyL.XhipghwghQKx2ejvqUUYy2VWAZ743PyPyaQk_.kmqkiyUdFUiOkjYSELo_gUGsLGEMedhOmU4nxhVC7PW89q_MRP1N0k4fNzifygejhG83ds7VFZVyFiLke7hP.3XfLcVHdC.u4V6umCeTF8AJobpHZTO5FNCIIwnimO2gOTscCDBAVeUU_BHDBjpLFnfBydOXYbPe17sJnaJtA0SqMBVwJaBAJsxTJ8thLGYgMYdFGerxTSix8329JA4SZSp_HL4jtCGa1iSHr1lp1lxODMuScWhtCHUaMyJmOg69q8tHq4R7Akpz3ne4KPKFzdZA4unFKTKMDdLdhOA7_b9OWyxiS1Nz7kX0hj6BE26z.06DHuKi_KpEiu..eno.CKXp5gv731C.6I2ryKM1d9Z76s_43fT0piLaxOz",mdrd: "KdPiOjCORuRQKuofyEinX1GrZ3RBRFYeYuWM8MWrAZE-1739394227-1.2.1.1-oR1L48nzjWSZ8pw9SCvRS0G1Hl_IxqoI8L7DWPqpKDdptKdArG5iC4dMp_Re3bQ874XtaQIVF2rq9GGZlnEvuN5RC3PE9y04FzAfJJap26KFInyE5SWNLU3V7ZYkK66l3Jtr.47qYSbpCe_hDEYQsJuXNLaJRLuFwQDAyUeZtUrtA7lAerQ7NJttVKUPqG03ylFkzTblA0w1q1xbCIdua5XcNhXQgUeCmWdQtFjckXBvBno9TE332f1RsM81JNfcEtlFCdGd0rhRc8d4wFmhRMwQYyiQADW0BX4e8F9PaHb2FyYJjupZ3pnRopm52UL5390j3Hi8..ekuFTfDhHrzozJYfIp2Zu.n98XyqYEAr4Lg_rsPpz.01SXs.yZ296JC7RsxMCly_YPq4PoYhvWgM6kqc7z0mDm.9W_.emefkqjT4RHpcQaPNc_au7mlj02cjhcHdfBn1wmFz9BllKT4j8E18l5xsWm6G7.Vsm8u8eH50gxEuEr8zpYR_Ph3N2vmWUFURNzLvMSDKRdnbcE6ZJGnPwz2MnI_.z8JFmgO8PmGl4AFe23WDbVsAMxh.NHWTJEyuooXlOju3JNyJ8yvDXU3pBC0sMLCSig_k6GWUFMVC4GSvM3iryGMzoKEmBkPFa60pCUQpeb_yQzMC1pFO0kJ.V_SYSDrHLGo2289TQz0uyEEce3fLjQsUA2q6kcY100ULBKgNAeCjIGVAbEUZcd4tfGWzAaX3JfX9VpePv9IZGwX2khPnqkTvb0R.wBwrJbGNn40tZE0PZEFQjv5xnqNZDCzRODNO499hp_RxMd46W73NRziAwuTzOXGzp0LZGRgJxktqkcoOHYRh5FbHfs5CC7ECNPq23W4eYWht2aaoI8TFynG97B1so7.VlqwMnt1ZRw3cx5lybkTW1sszh_zlEZO32R_u50xMQ0.T0h0UGJP_zstCLiI3VuoS7hf2lKHh8A9h6zuuthJwl20XQakZdtncnPUgKJmZTMRy8LzbEUbMGF4.X8DOWS.DAgX9lQrcNSfJV0Kv_t2q_CQYxX6pTwDC7Lh5AWc4.mJF50eKFxEmQ3h8sv6i9sV_HFpiWKhNIY6EFndujVsp4ZbuN1jdLxRKW_mLVh2Df9hoqweZZ9lHbw_Rd91tGSdmLJrb_GkeVGbJbIwHKfmuFm3fzg6ZI518GYa2pHEwF_JDbJ_StzPWv1r_PMbl6jPaEvXJIS3RFmIlF_fdvjMR6oBBgmHMf0S.ZH1Oh.GW2JootiofOAXlPJazY6kpm3YbJi0OSIdvtfXU6C40jdqwU2927gV0QB.lxWstBL4ASBqTVv_qjOz.5ZDa_Nf34CSx6tcuEqHjFj9DphvoOCCx0X3xf2b2VLfrC8k7bkzfs_1AywXdmZRoVezOgLfVe.X5nlLI9cnUlORUpKZt_euHTOzzXa7yh3NPIV77RJIesxLK3n5LYIioSDQfAgrikmVSXaEAeLY50x0FVAOPVXwuYEvDW.37Hz3O5hA.Ww4ngcH4pgC43mvt.pjnxIGmcwNgtnVqXmAg.W23odbDGIm2roY2gJcwmyl.Eumy8dGtQ00GsFcoVLgqmaGd8V_ltFeuLl_EHQ2Rir0HqaTkZtwKl756llJOekMvwlfNa3MZpbcXLxiHeDI7TBsh4L7end0kW.iImTuVA_d3RfZc9mD6GERxISl61oGRTo.Vu1xPrscNrtwoT.p5QoeJPCF6B5v1iy5szdHxE3KQeH9InXxUBfKZM4MzlS8.I_QEYsZhcmX0yJsDcWANbjoVBoUguAWrCzszKowgat7aXV8K5d76RG6l.ysOMxt.dXJjj5g7yDhcM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f87026d568006';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\/7506184329?__cf_chl_rt_tk=iecqw..bO3OPMkJHaCjZaUXfBPZU5G1hHqc63JLIn.M-1739394227-1.0.1.1-186JujcpYnNphQKHIIKxfmEWZuYX1sPtHtGK1Fey0E0" + 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