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-affh9zuig.mit-edu.top/post/6254798130

  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-affh9zuig.mit-edu.top",cType: 'managed',cRay: '91104cb46d1820b7',cH: '_U3JQ4COTMIQGREh8HyVKTQkvFq_F5QJMbFVQ.Vz1TY-1739402325-1.2.1.1-r_a64TvrdjRm3md2MnLGP19pc5JF68MIn23GFB8i1kmywiAdr0VGIyS2E01zuEvI',cUPMDTk: "\/post\/6254798130?__cf_chl_tk=Y.6wD96lITfGF2tVopom.Hd99c5DKzSx7R5Yp6uyKP8-1739402325-1.0.1.1-HlzkATjjjzoMGIPQaFw7BUrAC13P2xRmnFE9nSKEo3Q",cFPWv: 'b',cITimeS: '1739402325',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6254798130?__cf_chl_f_tk=Y.6wD96lITfGF2tVopom.Hd99c5DKzSx7R5Yp6uyKP8-1739402325-1.0.1.1-HlzkATjjjzoMGIPQaFw7BUrAC13P2xRmnFE9nSKEo3Q",md: "0gmJ1Tl9VQLGktG1cEWqrtT_ExudY_6FvFrzer7nIKQ-1739402325-1.2.1.1-7jn84tlNtSUsXfnMq37IGaRvaed0.03gqE5UAubC6qb2jshTlPTlsCPP0t48JNyE9jMKFta9e1Kl4gD9n9lQb75KpfM4iYPYCcfgFkVbBEQ_LKoERDR0K33MhrGGHIHTrRkZUU3gl1OieHvewDhFwrCqwBx1KmtUFO07TA9zJbxII1fnMT95uK92rWaNb5IMyYbMhj7FU5NIPAljDzlDAmU5al4ASoWV41oepiziX_6bs4RBo_hyCRyaB.OrmD9NFSBmicKKei7eMrdIAoiaHpVxfDVWudbYirgGU4hqLcPOrwbnY2flepS0mdUXG8Zmw9RJLEoa.Fx1nB3tOMLi4fuUTqPODmgoTp5Fdd.CVPdpojKy6mxSPHXci0GERQVB_1hIQ74MqVAfntEwm1ewm3fY28gkH.xowrBqC3XmdOcpfuLeWgw.cXzFC68YwQhRu2Ih37HB91xKDxzf9RDivbN_qrU_avy8Xh5sT9EVciSI7EeJt.MCabF5_kshReU0ILd3BQH4hGlwFNOP6OsiBCnXYERPesKzUU806hnByzu4MZJfXwG3qdDylDYJPmMe.P5daO.9Mi2Q2zSi4LatVYjfFu5n9hnPnxguNGAWoGzmrQ7MMJloOv1mTDjMYs4GIEsEQY9xF1gNd1owVa2Rtm2JbTW3Ya6Iq_s1RgFZbtPI_MuzUo8IXiVwveh.VUhIhVraDWaNh92FFpsxapY0cJUGD8iakatSijN6i.NXs0rGSz6EEnbDCQU2Z5MJPvJpzy42SCY5JXUpWYpLunA62GYIVOveRKqZK9qarR1EptU.sdBOal_kZ.tDdzTPjT1qsWvavjgi3j1I6.mcnTMt5FpBDPVAHNrTC81H.80HT8ABVYvcQoiTRrUMgLRtzfycCM._CpK3muolypZn.JEJakzCe7pFpkPKYsnmmStyU1oUSyRcuXny6j7ZesuuNZzUSu344q_JrlRGRLgarpWPeyNw7rYsUGwK7QgUsq7_YeMbScrdSnl.w3j0nR.4ZlDgrdEGUNW35kVv3nyO79RnEwYTkTFGEOb0.GhhrbpBY_nNYAjujt14rbNK1PcdcJl3LOKd5np4rL.dbz9e8xTOb7iQNCB5N.gqpa_1Jkm3FNDRJj1hILU0FQ05cuO0TiMcI0vqaMZlJnWqg48kFQtNmY1ByCBcPDjl1ixsSGgv9hgn2eeUaqWJZ7hs3Uo3n2py_KMsXPMMa5vnARUWq4gMVXuzEJ6o6nBavv6hnwjnvD2Tzo0rr7TepSJo.Ii7RjkTns0NxPu0wh0fsGHENSleUZOdGAkMbV0FzjG9VP0MkVDF4jlARdSekFg5RvillatxayKMRYDsax_YrxSqrQHEevT7GkU1wVChKlP1AFsRE76PRj5.W053LHswbR5l6Yh5HNs2mtObKdrPIj63fgBkluQQqWNzgYr1z1WDymvPD.PH3EjORv6l8.jKkVAeeaflo7SfchhnoAqS1kC3bWgf2.gnsju4OqiSBv5dwuw6K6SGJh9uRZPE72ThFafKlQ2oMyIJsTK5TwOgRYKiGTWiDV_0GBl_7VMRR_UuhhhDLIFVdwfDVVNc4NpNZXSpDm8Wjg5gS2A7oPvdcCuoiSL_RPJ3KsTEdgGV40VHhabCLOUFX6rEFtzX1MyK0E7TA57C.lD1t.MMYN7HSa1caGKcYgceayLrBKFRFtDVIrWHDbemO3yp_N5t__YoxAndF8Bun9ejUkFKfFqL0qOm2_ltTelo8aCRREiVsDHw1WXZH7QbMeBY8ncat1nOLLgMSBK6iHB_kfaWgkgHIix..Ul_BAlRpVDPNfKB5uvpZKBroLvBw9_PUkELxqnvMTIi12BGvDKIj_YPhMD8swmDmdYyQ00aLJu_Zf5rN1WQAMj_UCZ.IQNIsV73EbRL0lAx71_ZMNBy3o9i5KwjbHemlF1xNPsbbuy6bcW9PjLzFOFmX51JP3AZaryx2cF2qFnFdYm.YjFjIYZP4TtmB15xVHdINiW7C2fmUZYZgv5ncrtzDnF72w_GtbBeuQuW_Hs1BcqeFgRwoIfuXanfdxeUyo1KAiFcEmvUZp22IgG9igtT54nR6pbazIORgHHhMVWkEFzPvjpY1xTO4jEpK8w6noyUGv4AoWXPtasDWqBmrS9_QHeGy8gXSYB3wlN3xf0vwvlnT2r3gI1uGaxfnLm94_iEYdpQCc_Va2HGD.Ugfenjl4Fg_rO7EOpotFSyLnI_4eWw",mdrd: "yjIHzWS22qsNCthwum.blOTV8bnZzJ8LtSeJ6n9SN8k-1739402325-1.2.1.1-68i48gVkiBap1dKknWDBQ0DzYCUFGBi2D5UWT0N3Mbo3.yNqZFFRZornq11mB9o4_wA4QjGxYnx.dcfUEuwtkvzoDj_jrJnkBP17B3mtcTq38P_.UXIja.XHVwm83ls_FX5MI__qtLt5SGE1mV6swctUxurQnBIEwXXJ8nyVfzxDEMFM6NehiE70uuY8PpdSirmFEVQMWQrzE_jP74WqxtsWY4cfy04XndOEFh2gKJpMTDew16tdAczAEDUC7vbWeWKQLCv4z4Atap4pDMSCZ_t.QxS.gze8Kmlo12Cjke5tKqGXJi2LaIGpkM0NF_bfgKhf7KSso7CD7J9uo3fQIFdbIrWg5nJ_cuuwT9hzRZf1FglPGJx.NWA4KAObJBzh49BU3Kat3iBD4JG5m0_LdqTlMe3vjcHNRTPRigJBZjV0yufEhcR5aIazOfw.lZnGNTAdpnF91SlH5cpBdy6ALYOFNT9wMKOSQ6KlTBI60bH2Gr0YwYXMVCPaVahbuCV20YGcAdxNR1BwSgDLyMijnuBXt1UbSwC07ISIlDzaF1OIOFTsixN325qWIJnHDImcwsU4R7wfZzc4B59V2WJ7n_2MMU7yjQSZT6S8TNu3YaWUQcboWdPyjNa51UVKbadrp3EG1auDT2QK2c2s.IjW9cLMdqsKjKxOUk0Il0Y4dLr7MU8ssltNbV1icTvxGO6E1kGfJ8P78kgNoX0ujo.qOH7estO5XmCUMsh9aZepoH3uvyYp01GYhjw_QUAYKopJ9Lqi_TVHjsEEvklivR_DJGV_2YEe1Z.olQhI5aM0a5qijLa6ib63Qj.enaIx9FbTsfOXcrgjJomVwr8QtCMVcOZl320c03SOhp.60IF1g.rvVGYIll9uXQfAzdcmgRgzwan4Vxipo0GhG5_80rEMu_tw5NnFH3dUTujqIiElcsuoB.jXk92r4UbPFdfGmF_4w4aASnM2wDxhRo3NpQ6PjYME7jAW8LIDXIvQykY8Ci6qzw6md8ydhPjgteu5jL7HqptJe8ObgnZlb5PrMYkVg61BSrcOoBNDvHIPboAURKuPe9ep4oE_agkXEufSw.PivO4zH97Vy7UviVLTp932Ttglx.i1CDibfb.OqaEY3P6_8qt39aAybjCMlkzZ5yaCWtGsU5pyoUBudVLaGTYkv3S4dx10H5QAloZf0OVySu8cSI_5Fe_GPUEhOVi9QawYgOd09i2OfFn._Sm825BL4UpZGLOo_Gr6UD2EiiQK.KZluckQS3W_H33m5VZDqiqJidIiA76OT03VlXCCT_jGl_gzWGB94SGoyHBRllRCPU6D_fQ_73YwkxM7qn88i_VhEklSIShDZ1U62hLf0ZTmNxxm7pUJpCIBLdNoHCU_4K_cLGIxQQkRZIQHbc73GpEzSyN.KJV08bh18x4K2LVd9nEAHcDJerJx92HNrO4mTEdPwvc7u5RN20mXDzVZCbLPDg2VEBK4ATR7rRVI_WuarcyC0zrarX3xYi20fhoYlGKGGpBW1dxCEXsm2GbJccl7QBQehdP9ioVk.gB5PPUvnGmMn7BHAX0_Bq7G13icT.mU846lpN2SLegDPwYSiYFAAlBxxLh4SEhDLlp8cs5W.1lYkagZ7zxDW4zobc0qTV51gCFB39B1unHwgtsZUpF91f4xoORl363z1OVBKP9O.M4NFJLr6V_JycI.fgrUB.uYKFsCQLewCcFzzNVEeFkceQ8CX.XDT8UQp47egm8E8ovlUBPcPNAZWy_TuvTZA3o7S2cgKLIJWxvK7nvpuIDDLSs38ZYNr7I_gtBZHy0gKn0.lb0Kljl4h4XnBRAgFpg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104cb46d1820b7';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\/6254798130?__cf_chl_rt_tk=Y.6wD96lITfGF2tVopom.Hd99c5DKzSx7R5Yp6uyKP8-1739402325-1.0.1.1-HlzkATjjjzoMGIPQaFw7BUrAC13P2xRmnFE9nSKEo3Q" + 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