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-940620207814.mit-edu.top/post/6405198723

  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-940620207814.mit-edu.top",cType: 'managed',cRay: '90f37d895ab4d6c7',cH: 'OIlej37knokIH3f5EzxEKDGc6r8jUUft_0BfM1xpUnY-1739100238-1.2.1.1-aS27WeHziF_pi1f16KhiCF.1xym4d.zXL7GMqGfSbshXFkHoPllmnv_Bek6wdoyC',cUPMDTk: "\/post\/6405198723?__cf_chl_tk=MPFqtkWoLXl7D.dFHvmUrGhAqbV6Mpbg5ZyjcSRVgfU-1739100238-1.0.1.1-9NXiiucGkx4dV_SwxnG_rQ4Fw2dfY70j76XyanZ5J7Y",cFPWv: 'g',cITimeS: '1739100238',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6405198723?__cf_chl_f_tk=MPFqtkWoLXl7D.dFHvmUrGhAqbV6Mpbg5ZyjcSRVgfU-1739100238-1.0.1.1-9NXiiucGkx4dV_SwxnG_rQ4Fw2dfY70j76XyanZ5J7Y",md: "J2VBweJ0Kkp_FTCS9MhFmUmwi3saT_HgCHdgCFCwk2w-1739100238-1.2.1.1-eIMazwrhD5NFX6WwJWJK7RtfJq8uV4rY1J9iJBoRBmuJvZpldyx9UbOBKE_SymRzhY2J2Q7pTLSH6j.SRelaJD5YealOhTHEf5jKGmiqWfw6TeQuC57fVotL9H9YE_2BiNZPK7jSzwmRiIK.kzGIxW.H8v8pV4RH04gdeBgpCSbo8zZaccoMBBF5FgiA4RBhUhEaPrfRX8vYfQQYcY80ChP3uFDeM3C_hA1Lvx5gsJZ3SyNFK4mvQzCl2yp0YxGz54JQvhnKXOyK2wYGuZhLbPdtFjqqeJmRmidSQEUnnmJgqiaFpXmS2SFHZD.EHIRF9KHI02wtCdTKwnfuGpzjEt9CGT6nCvLTMl5urxHGBJISBJOwy3C5DLnAq.RM6j45pv4e.zl5tJQkMGUPTCXpO2hfhcFF_7VpXS0FGTItkXIWtWaBMTrIIz8H_GF1Q7iTQryrNN9camJFvgHspU0Gzv5mDbJguZNYd0hKga3QSWi6.vnajT2KBapbWbocVY8YQ9Fu0O7zjFl48fcIc0tYmK93Kb7_ZHH6_LQ39awqDz7r6ufhjPyRvE7dlV2hde9y5p0G1sH7i4ZPttNT4OVGb6jwQaHMEAnOQ6FgKlQB3rTI.6CrZJynPo.RB7xTz5R_h0Ck0zww4Tx9rn75jD_YSrPPgfj1Ic6TPhZ3A4Micu6aA3FsCLFlnpTtbGoKLwyyjzI4QgjoK61Dy1ji01xp_lUPbWV1hii5Lm60VZp4tFZ7uTLUf5FZvZbE7KCDhTNJU5bEB9HTgFoECABy5Tjl1ZpdwOOW5cPfRJYhkNDeumPghUqM1WqdDxBU5M4QkyOOWzua_F5pOoJ83xe8q7ZsM72_r609bCtSlihuiq2Ig5ep7INX1okT1TJozL0QFd4yV9tQiAW2YQcIQERzyNifF5vvY_.cEt_NuU2KxPWNEh0cgnM7Wn9MioefdltuNxSC5xhGpPpKb9kRkDGp__0G6HEAyXPEkps8Ll64qR2SeDM3vutrlncORPd3od1tOfFWCtL3QLQIZVvUW_unMwZkWQ1NDJXKMgs15xHRQLGORLziTybgB4vvbFuZR19lFYzkPV.ScLaDKhMtFWedTGPhtSMISRQ_FYMoE.aSqHZ1HRWIY7o.gVDO6OIqQQ.1QNm5Xhki4N.1H4t9oUahfytk2ieslGh.sPmcV4scObB7RxNelUBJLsMUmDMwCsntUjjTU_PS4BYC.0oUY_zlO6cKIWSKAcIDyVDdqegxYyM1J7CoLmyjVNX93uXBeXEJSGYhaZj7CSrBSzl5tRbr.uvLJqxpFD3sPRcu60vOYWQR1IwwT7dHPCHD8bBm.uAEM7fUUJgdAch_US8DirPpKCmxlApk4dt.mjXGd43WceIORb3jsoAjMbSzLh4Gf3MQDImn83vHJ2yiNW2vAOX78YiY8urKh4VxqZ62izwoh_Sz23y3vwuD.D2vjn063F.ItDGnGakfkfdhoJ_eM.C2DxqO0G3sACdNW8ckyG9HM5DN4rAvApfEOxJDcETNeb4G3hBd1rKXDD.ZiHvdt4l5RoM65LBGTh3TCDs_XFk.0WzF6OWTgohUWuUid80Jo7O5dTi5kXV7eUMbp7mrBxP3vIp5FRLQJ9UAuB_VgdxBP7XsFN8ROCgV2SAWPlKalQliOLl8k9D4EB4DbQ5GqjQD4UzzcpLKDVbE2rIUtCL.Yr8laFnlZwdaGMW0anCGpVUHTkG0E9J3Ei74XWTmBSqP0BbGGLbwG3KNkvrRIx.vPEKEHZgX9Grytok_A67r0d3JNfDUN1i8T0G3Yw4ymP8L1nnKLf8c.CQQabu9wew6h.ESQfmPtwK7Xn6lOZIN3A1GN6OBR8jv3KVZ4Ld49W4XRfM2ETcQsC5Do5lLl.6aa.dAb5A3dA_R6bSGLwAo_6bpIMKCF.2rB3kQVRiLqIpqFi2lTXiUGDsFzHar8vkYfNAODat0ah7fcw7AxRqMwgXA7Jt7HpFHoDxmR7AbpDL8l6SEDPYbjZq4p4g6TDn9NIMaT.zelOPSvfQoqlZ0j3Le8BB4IGbyxPpCro8GwBlj0mrevLLTKDKLzXjl00rdk..Zn4UAvnK2YhWkM1CgVjBDi42jx1iyWctrkLUB6EDxK2fw.kq1UpLik4PhjWveyf_LlwCti7ZtCzVYOMOTSv26Wz6ou72cmYqtVbaU.yS4dwuaJq.y24RrpaMc0GuplBY34BPyULVMlF1f6I7Y3es3f3NU",mdrd: "nsmYK2.6ZgSgV1YnuXLLJj._3hh0pvEFCF919.i7Vr8-1739100238-1.2.1.1-6_L0T47Jm7g0hxie_POGpmBEvD4vpDV76v6PiqbWlrMkadNvWTgJ.sWMske.VJSWWOID3JqCr80ZyZ0jceEAxWpgGiciHCa2.Z6PuETDGPhuicSgX.MnsiyocYfAgnMY6M6Qk8cW9aCe8PJdq4oaaO6raWf1lKUmjOelXx.K6nlR1h9oYBoyfiKDx1luGiN4ipYKBQJXGuhHQJWXPN.BX4CtSGEOs4r_Asp.wK949I9QhSjmNvp.5krVhcxvicRRXoUE10nJHSsmHUtlIpuCdAhv5Snqk4oB.fxsQeYaOIunjMgrg1oOCQNJtQibCotdNspG1MAwCFpEO15FSxmJBw.Qh59UJ4MSVs6bU7Dj5eRVAYAlA0lKe7nM_ZPhrIkNRI5UgjtqdP_bqPxSOY80pGjlpmtgOuIisZ4IoYgxuIF5vZOeuXE2ksxWJJyPbkRfVOW8GfusQ0lSUVSFNqI7vINCHPGEzj_XH0xxjBEJeXAmjmgV6DOGHXp_zJiHIAGDXniRwVTbcOM8XLLQwemcoJbuXra5Fn3DHQJXIQdHenhFeCO3aK5rCw30JTnOK1Qt_37j9jCJLQ81i8sbQHml_IgvVfgO73yH1oUtoaFCAKnvIv4pewr6nT_23Bac5GAuOGMixFq6ks_4umzZAo8iFRL922g8TsbKCs.RCBh7oRyWLCGHyea8J07l6ARDxb8l4jBvt2SwjhrQmGpCIaLY005smnw2rykxlAjXGCgAm2tBnnKKA7R.u9HfWFzBkxKEGjwcsJpVtkPxuOF1uBDtzzmb8Ok3nwk4QQ9QvIsiKakeIyk_r5NTVT2r4mB_GwY9l1xg.w7bBj67P6IF.76y6of7Knc_gXUjVd2CyFCV.OIMspz2QUw_fAfPh6wAcQ6g9Alg5aHJFKrz49dgzuRAGRwd0LzzPhtq5caRU0fOq6xjnZpzUGeXukru8YBPfJ0HgLd0c.cG_rybkYxTpWS.J2EI8WIEumb6.pK8NAaKBwZgFLq9SlN8FM95ykNNY4VgquQmVR0tBMw6IDxyTCuiyToC1LGv83JEcP5u0l4ziEouKxoVUWixULE2F2FtzqkMfyVq4qEvOf99bnbNpT8mbKSlMvm.jWHhMmhuCCCkp63ToQkOsUR8U3CBCmZJK3gAy5VZecMTvuahYQRTeyP2hHLWBDqtplgksARkcbU7UGNZVUBfEsqKD6lQmLhb97H5NF36CBT8dnyltoTdfyKaqwW6eVMibFwtVtBXJ7ROwJ8Osf4lY9K5Fz7GI8_RqzKZu3IOL7DZzFrQZwvWi6D.XptiTz0p9LXyRVF8v3WXTsu7XUHeSQHGuoyXXMNoT7Er4VYtrnCieyiq0aIPYrqLFOzohINFDuTjAC4jhNWmyfIB7NvGVei6gS0fbEJqOBbhlWV2FVypOddew30ieGKgMIQdtIzhpAth2pNRugJRkCZtPE9FSX8hucDR0Yyw5E0Hfu4HMD86a_X1NXzL1.wH9r5AaWCyDoAh8d7OdYYDS62UU1mk1Zbx5EzE6WZP1cnAaQAN0CqtNEDl7lE13vwSuj1ZrFVy0ud8SIuXQK.W422igD5Nu9AMXBUlyjAhxFNyrVuZf4gUpXTlEmxIiEjiM3dQVV2pNxz6XFzvvu.UZkNalx7qCVLAqIfznaG6gGSVh0v_2Yefv6x02Tn8ic_YF8.EDrIuv06Q6P6m3C5XbW9ZlpK5ao_..3LoTBflqp.H00qp9CHmT7qeHqWAsJvEPX89xXhFYWXjjulVDduCQiyczdeSjAOD_SkH3XNvGe41EodqhfzsuGDEr_0.o4CIyQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37d895ab4d6c7';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\/6405198723?__cf_chl_rt_tk=MPFqtkWoLXl7D.dFHvmUrGhAqbV6Mpbg5ZyjcSRVgfU-1739100238-1.0.1.1-9NXiiucGkx4dV_SwxnG_rQ4Fw2dfY70j76XyanZ5J7Y" + 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