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-aff6d4ghm.mit-edu.top/post/8519027643

  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-aff6d4ghm.mit-edu.top",cType: 'managed',cRay: '90f3a4f01886062f',cH: 'Z10yfVU_O33jisisSqYiR3TLofqPpCtB.kSuTKprlt8-1739101852-1.2.1.1-qKjgAzcddxbWKCHjrYbK.tQMU0neA_p099cs0AwD88HU70sWtTfKYnMH9FRY7BNV',cUPMDTk: "\/post\/8519027643?__cf_chl_tk=0QmJ.UHFrLpk.FFIDLk1FiZzVmXomYAu1XjbkYGG23E-1739101852-1.0.1.1-n5X7pMX2OgRky0iOlJYr5q7gniKPMFed4jhTO3GFF7s",cFPWv: 'g',cITimeS: '1739101852',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8519027643?__cf_chl_f_tk=0QmJ.UHFrLpk.FFIDLk1FiZzVmXomYAu1XjbkYGG23E-1739101852-1.0.1.1-n5X7pMX2OgRky0iOlJYr5q7gniKPMFed4jhTO3GFF7s",md: "6PkEiRLeT.s3cNI5XMvUbAod4_xCyvMIV8W1xJZzWLA-1739101852-1.2.1.1-STYss7XMYo0tSwGM_6gsHZOmwu8rg2aSpx3jC4GSjTM1NzWsr4JqzW2F8BzFNVeOazisF1RM1aIAvEi314nA_eo54pFzjZDbn7rBUqETluf.h8C.BKOu45JMMTuxSm4g1SZoezB9FI2A3gyDYqQiFnqtgDe7OGwcDhGT_Na_p_DqasyGHer26xhXUykiYVj57i.UY7MxAKeIuMSupBZM.yKEi5rSDM2SZ9eqltj4JhbKzu3ka_jJ4gugVpK.FoLcz72Zk_Xz_BzoPzMeJClzYOrIGeZd37n_mTwmhbIsmz3J3DMDGsIOKEQ4B84eUZj0QP6SCIO7fmhihQnpJHL2o15ELM17Q1wL2VX94J8YgbueWyj4tJEwAuZkCYrIB7PbsB7AW4TaN9koqD0bfrbu5am4A23d3mMWJ7_OJLoFKcp0rXHyrB_WtXP46knChAAjbtLNiVnB3yHOwXtiOgKMNAtDtJewLarCt5SSMGGnf1LeLDuERH8otNHUDY_hb7R9joBuVIRnb_l_JzzL4DLQ6duLm74xqgRQ7jcripQ.5FT48pu92V_ugbCOhKZSgA028twpax9orLmVpH1Q0Vr3G72qfHPZIBjsf0pupNThdcfCACXy3gMlzC9olp0bdot.wGsP7K.OYItuzYPUqiWRLvgiBE1..iiDHwDn4NK22ywfTBJXW_ZDXCY4iM1cLkcsxqWPsBt5EVrzag3Xjv6aFAA418k6VTIguM6FPlIyE_KR0s5rityp1on1yQB.grYq_.I3fvAfzuOABXmpQp2Wgx.M4F.zLoIcMaTsWu33P9v3Roe.bG9RnzTiaF5dZd96o71EQaEzHYVGImaUXnNuBDrXz3sJ7RXRtJMn.ZyzFuzbV7JStpY6KIaJXhDot4Hd7uwLbXbUTf06JxtLN_Xm073ATNXcX1fIkm418uZGDhpGkUk4jwTMtusvgDHG8rRFovOEB1jWoLCxZFQNDCY4gQSeI4dtseRafS2lPZksMhKJZFSvq1bVzyJEi06kqV2qjFJDcAWawuJl6QZvwqNYsDgfjVtthSJsVIrHd_tr8W5YqwbxxcfxBqNVyL0.uvMrK6toPGd4NaNcmjtWhfUcrw7bBeVbgJbqUWTLXUqDnMi6jPvrUV0PPd6jKn3Rse7VbeaLUzixgWuxfa7z8oJKTwEDLQZDfnaQK4ho3nA5BNjmHx3z2uRLMsbOTJFHkAJc6pjU8RCV6rgg3IUIBODC0hUBJF2csyb6OMVpWneT0FK6lTM3RKQqQ6a4dqKIID8Bph4uJDpG7HaDp6Af20Ov9Me2W7tcpj0DvuCAYk44a.QyBLKpPQrZ2I4TwsRfFmzbhXPZbdapxtS8oFvaTKnv31lM_p8fgESNjOLDsmPELY4qrwdeViHEuOimknFA77WH7imyFKqPrpAdNzOO8erR2ujxtn3.QfJMtl.dYrF3ilNZCu2oABzgY73g1XH9yHVk.2fis.ahgI0XD4VLdjS8nMx0CP9fRRIonXOMkbW4..7v3zU0v4.UFuhOCFsK1Lzg5TkjWlPppj16BefsDK42iCDBvhgOzglZ0zvsHThMHV3iiQoU7KpPHnDZ2rV5Ro9_voglagj9Ygqt_L80yVqPEM5FUr6Yf9xpjaAqYRexRFLvNiRMHBl8yR9QWufVTc3Bg21OKNiWAXjOTgzqc84iz5EB3g01y9gkl8CjHqZv9zqEd8agGl8i83H4sPhqxOANx3A9uTHgb2ZGU6JBh93i1QNiiJCRzj42uSiaf9tgiuRTK6WxvF7p0eS.EM42Tf3P7Ta8Gt3NikG.iIv3InwOJyGRTA8LG9I6RAbMclbsgIF87c6Kd1vJY6nA.t.i22JAJ3hs16CPZq9VLu6dz5K.637syjqu2nxDYfX.GQ4v8L6HjWiFldPuhr1dvplxq9nj4U4dZkp8I1TT9FMg5v0RMMIrVsz4nfmL9oKl7UD_NVwvx_.Ns7KZeJZzR2Mlo_Ky3WTHKvawTJxP2poDqwXRln_I4GGPbbQts2V7COLLIBsENFiS9XMcizicYpG2U5e.22NXlL1oRFjtF26yJdv1i4jSLG9Hs7YnhcsURFGFqhPpPb.AuoyfXq3mmW5dwWtyHBqWqbEu0HPjTYzDUtoRaMh4ltnDkHXw41ILIhPQ6ex6bJ6i537CumPD9FPyFYOwSM9kT_NNE.dGwwjgzxRuawxYzkuzY4nlMSt_D_my2hzMVyxp9hKm6JBLMypChbYf",mdrd: "ylrdl.cthBdOFK1v1nvOPJQKLFeMERfLBxk62WVm_2A-1739101852-1.2.1.1-_BshV0XlPII7Km2qoVY35R5Sqm6o.s2SYTDjRr1QAin.zyP2Dmo9quZzdKpzp3eR3D0uad2FbTMYxm6kL.6dbxRPcafTFmDBApDxYo3aU8M_vJMvNidE52sgVuvnkN2P1ApVo21bhdzDuomLc7PA6B27qBZXNc4hg25SRTa9.ZD1SNYiQcf1X7sZXI8h68IVI_ycAggBbuQo_CoeiZkPF4NjKytUNDhE3pyg7TEbvHydmQA89MYmZQw3Tzu8z1U1owkI2y8kHEBCWey90UJlhJ0Hir2rcrDsOG8Kpk8NHwqje2.ujm_KFm9Q91wxjjXbEPUmT5BLnLJ3qrevj6RKeV3roJZ_SvCds5EC6455sPcgrW7gP6Kzmyf4L0ZbkVk86NfJon3fu3tkV3Y6qrq.8hLqcETcp81koxZJuixP6gXzws5LAN9gRf0_zqeHMYAXdK7D4FBibcjMafn8oH8SUE7NwMzttOWUOTH6qjznPuqa0IxebrCHfgFJ7m7XRZkTn1yx_rMN6tDpyY3_5jRmRPPy25sH8bNAzmlaBT8rLIz0s1NPf68ea2hYEee.zDJJVynv9auuw2OTisLnVY5ABsbv780B2j7syOZOziDTNB4EFtOAFiXeqA_o4PZdLFI2u6I0k0a5SEHrGn4qLhAQCBkmR8VPAV03CjHewXpye.e4J.C9pqs70KWlciXsz2zKM_Vt597bL1VJqRe1qFDScn4yLPfl5Za8ePpWLZ8BbixIptvPuD98r9tklftzooujL.IjvwojdrZxIPa.sJD1mErm9q_boKlC_aCL53TSH9NtqHqw5g4VFq2KcPDdHdybRdvN2iC2Ajt5uCJdmgnTokupMFqxwDtVWkN3EkXypZWXZ3nFHxs.Q.4rcJLWQj1xgT_dnDR5wXhzAE5Wqex8qvKhiD7axLWfuNSSUJbPp_aUZg645ERiV_ddHXmyGRfvUJBp7eXQ1sFsNYhleMnsshQAzLLqJ8ATuCnDIfJqFUJm02BJfmXPYyubGtaJbkqjcWGD0VbPncLEV8oPv9X3I_2aXT0qk9klUcTTULVetbEjLv07.H63WWD8.HRHzmMJ6nY9KS.P4eaoi1Iuryynme7wcUlv6EJe1JZzuZ7QvQGKW8oX3vwhWEUi8Ec72DBVPyZFJZ9KG_a4zVmhn2hzRgsUvdfjkyfm.zbN2yIpVFMEsmlpuoxaCNlHyd1oAoMELITIUMLWo6aHm7X.K4v4ChUryXwt0GHM.KXCPcs0WFTS608pD7aJ14_gIJt0Y2pDRwluQOq3wybZ9Q5FPcsKj5HRBP3JedQABYZAjSA4Wird6J0vPnTTmhdhm4OWJYcD2cg96oYsOFM1neQucNAWFA7DcVurv86pgPqGUnU6e7LvAkRDArgCp1ctH8HBV6yndZYdZzQm5ef8CQJr_Y0hqz90S8ayZlTmo.WB20FOuuAuMhrmvzIUK9UYgWajAVvOM6BqZ2IJi03QjyrXJL3wS8szthHJdCehRyEnQkOHnTItgTVEjCDZb0oggpnqL7.o0N9klu0J1SGr0cXt8qbnw4wFFgDy4SUfCogK_ukO7IJMjLg0MZPXN7R1HbIbmtZ3mdeGO5_GCWR9gcj4OocgTWbi6c3Gv2bR5_YAYRG4okeYCnQmT..11i0NoTs_CgcUnYxW9geJP0ihNxsW2_sBI_ehxHAwTosORYtlbe_0gufo13tBlgDqy73wtFjyOkPaI4iqiMNJhE77M3DuLLC4C7YPa6mFq6ykZDXvr.AFWLaAObGe.Bf1MqFzWOfQxHO52rTittglPZi_2MkYPPg.iVLDSSy1yJ5PC7kbFeD9JYQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a4f01886062f';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\/8519027643?__cf_chl_rt_tk=0QmJ.UHFrLpk.FFIDLk1FiZzVmXomYAu1XjbkYGG23E-1739101852-1.0.1.1-n5X7pMX2OgRky0iOlJYr5q7gniKPMFed4jhTO3GFF7s" + 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