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-174896274281.mit-edu.top/post/1345987026

  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-174896274281.mit-edu.top",cType: 'managed',cRay: '910f6a867a64c993',cH: 'qXTT5MLkgUG2EWfXHuyFX4tTB_wvQeN0yqqRYahSuVc-1739393060-1.2.1.1-DlaFrYci_TLjuDHXc9l5_o488fX83JC9OS_bswsLGVIOs2WuZSSSUGE9g.P4NvS1',cUPMDTk: "\/post\/1345987026?__cf_chl_tk=_baNYjdVPhY4HSMuKrLSTuKjQvVt8PfqzXLRS0YahDM-1739393060-1.0.1.1-eYe31Nilq1phuNghlcWw.tWh45suN5aGuUkzKV1XYp0",cFPWv: 'b',cITimeS: '1739393060',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1345987026?__cf_chl_f_tk=_baNYjdVPhY4HSMuKrLSTuKjQvVt8PfqzXLRS0YahDM-1739393060-1.0.1.1-eYe31Nilq1phuNghlcWw.tWh45suN5aGuUkzKV1XYp0",md: "4dHKOODucX2CcLeHiJ9w4BLdh14HvUQZHPFwE5MXeXc-1739393060-1.2.1.1-jd39ecstRZlfXRcaybL.5TnTqzkpgUNwEUjQV.R4urKvbs5DQL4UGyMlKjPHVh3jnmJPYxUVP93uvNZI0pv3WGpV1H.a.3v26Ubxvu0tM_g3BIxdQ9uogwsrtRvpVhBZcX3s1beAL8uwlgJFQ.kOlRTqSJIPldBS5NSRH499U_bxcuTr7eF.80MciyzKbkxxIZaJAYqadJ9wl4hutZzPTC8lLLKW5xN0Au6Oh.9XIhw2N_4wcH35O65qT6H0_hgSPgDjcGbq6NXORXT_vXCYjAs2UmsHzBzrT7Td8OqvkbU3g4PmZJSAxXPckCIV2AlFV5Q4uIBh6EAXYrA3hpCoSOe2I66_JQw0IHOyyOX4BZuTF4VrvqKE7X8GpuzRfhVvD4OJj6TCcH29F7snO_hEnOBqqbj_qNdMUKG6qVCHxZGG6nyVSeb1TB6cMORUM_fEeYoniLcVzPnEy.7BMrnNgchle5aX45mP0GVBMzTowr7StF3tJZWtxkME7yng.n14s1Ui4xgbNf0DtBjtHAXpxndhqxP5mK1dLzbKcMczuw_Xz.SpKQ8BVNPmanyn.X8VCYBE7fRIute1Hh.0d1sxCiUZuKmF60VpmjiUmkAXHy6bEu43DgyZP0yrNvApdRWzWuNAXDGY2kuX1TwOfknJu8bp.Kf.p2LncwkHg5QkVCtEY6lA35ttp02NDxIbrWg1Li1Oq6cBjV_Jz9YEenPyXJO7odkupPXse26zJ27pUgWvmEhT3O0I21_5g_nl19Er6IIkMQ4zRpD3IE_V886BVB8l64WnlJLBjH3Hh0izPRE92BEouerMBzKYzAoywO8xpF3ilk6yiMdP_4v06i5_jN8fqG1qGj12AYlD1ITDCExr22ML1wYGc9Bm9ZgmMJwQIeouh8B01kUp4xlEoE8D_X17VskeciFrlWANRIrqEFt4PKuG2G2RWfWcOhy_2OLF9woJaF9xwGqU.KRcAsRy.iQ.3Md4zI3iSwUHhSu1AJYz9dCIlNCnFyr74kEpuLgEcB11unwVVyK7zQHkdWLwLd_aXeH5Eh5B4IVFmnwYXp1DmhGQAwR30mmJDdN2_CsrpwK0rBynwjnLkpHe0dlbtAuqbVTJ0CMJXnkPIMh5B4bbR5mRQwNMmlCVuGtXqVqZhlBGnGk1IVipZCNGAc5zwI0dxP4RrDcRLhk0yQ_.vvhDyMAPEvnpt11UkT1ElnsQWhY8Fl.wKRWwooAvArWzMd0m5mTtdhN8dFQNOdn_l3EWD22JR9Xf28x7VaTwXv4PqlCAy.OQqEXXclIdc6epPEb0abXIrNwZXZ4OeRe_Y_DYBxl2EhFcaf0SDH4lxdm195Z_JpPJLVqLK_fbxInd.5cGnx3lqMCrzjBdF_dJSsAS9HgDl0Ry1Y98wkbGI2t1kCv5hATv3a_WSXeC3s2epWr9fFyWvPYNEqCbLVjFRm5eN3f6CKnzJ7dL0kjAjqJaOV8knY.e9yvvF5W1V_VXK7GGVBswVYXrYTSXTcA6uWrBIFKQz8WDmUtpfGz_RlSR82tOSDPImFibbokc76eOwe8jE38kk8bpY3CWDLJ1hd3F2zx8ndY.M6cN2evu5CjfrbIDMvLS0hG1pnPWNXZYAbGS1rU2m4iSM0Vr7.PTJfYbiasw2DvO2hYkRKV7J08oduDj8Q5j8IfurQ9TaGE2VFeqHY5tH8RAtCAORPFS2nH9qkh.5SYhSd5umV8UGnS0jI0wIKSDarCNbut6EQsV6dm_Qbks_LX8FILwXBhsJjKrCFjCPvA3FPEJT_C2Pijiw923N8n7Xvwk0kBzPw4U4QLInvPHDoEJCpJx5FevWDiZu1FTrdg1ZPZBsrJ.R2I8BrUqUImVWEbwZ38sHrKvp.PddpktbqbHgYCtR8sL9V8nCFs4r6ITTBGOO0fiqaee1J6gjMELf39C3FIPguWw8e8xnINVHojHpPMwMooZjA0nvMOfTKCAfV3oIcWzOAeeVAZLldQlpkOWnbaBHCaoUmzxYqSzlzs3q9iJftANUeOT5lV39UuFNC0GwAfQXjozuU4EFyypLUKZqTI87ARyFempxVEXU4LT5vqJiVIUXVrn3UF9MZYoCxlbJp7.CewAjqKdUx2RtASRmOfupwpRgrPKbpjxeirx0NHXLx0IOsjdzLRXMj33iQJrI6.cF4eI0K1wfMZhWqtw3zAi46LV6d2Wmsny_djzZVA1QznlEPWNNeODsuuX0dDFJLyUmALm",mdrd: "enQglD.BG6WF0nMnG05XNPJuD6GD2ZY4hbw0YXhM_vw-1739393060-1.2.1.1-Bmn9FfxZF8DAqiY4jEtqXlPlQrG7HNLq8yK_TESDA8Nz2IUX5yEpWQl_6rP0CUgQG_62zrdiMXu_M4uu7PXyo.9WelDFu4Sxq09RcWmJXlxT3.gt8F694x8PKbkMuz0r3Ld0LM2iW4_aTaIp95KeFyKimxe3Hww7voe34dhlvfr5uJmaA3dibFnL6jEYHqzxDyIyxiCv3f2X9Kl2wC2h411QVr9izfdv6hMoBi5kyHRQObmEVUBJpYzD.0HFXmz1j_O16IGG6HOAB_.9uoexTjeM5YXzVRbE0w_xSe84AjEirkI1JVLtnH4se1EiLhAW8fRMvODEgWhaR7YWPxNn9KkTkjtc.Lf7hQY6rZaD8OoM_qtZZkYMeYQyxIbnbXwo6i.jOlrm0jmyYWwgMlN._2wzrXaIwf8bUXEyfqmUuSIsONMDfYyBof6ATCmWlmWKDwlOXfZ_EBPpq8IkR80.X6TceVq6rLXKGOFyAJoxmFiVcILEj.q_KdRIpYMVgPlyVdJxdHgsJw37JLVy.BKci10HVIITnICmJ9dKnFXtjfFbNya9lMV8oxI8lxpTYCMNtvuxFbHG7Z7AM4mDzoCGPdHGue2fYkVlXe62Mec6MPYhVBAWIWKRQufsTBo6BBfv7JNoiDvmR.Ly3v42xQc1m.0Z9RuTk7aB2c1e4A.tYKDcWT_Qr2QikhNwsau48tf5rY5Tsgc3sKO_NGOXWium7EA6IakfNL1cJKDzgr_dAHDa.l5tMJ22cAnivV.KT7FYO3qam7ZzBlLct72fS5HaAlBaEQuFDjfSUvsCle1EeDfSenS1db9UkcqsIZ40w10MG3s3hf6YwrsaR.Ga5Qv4xlxO.2zQ2Svs6rHMhH_I2bevAqVoA9BAKT33hkwdmQDNbg6_hGNCUVarDsp2M.POqaHnO1SZXMTN8OqVcYt24AT4ZC.WnvhtFviO.IBiblJGYh0Ah842qPTVTVKc.SSg4tC8yl_djIegUcjwTzyOfKYzQmZvGMQXybdcSkBLijN5HMn3crbCJKe44JuDe6gV91Sn107jG1AS9Hi0cNUnYP7pYi95yAsjhN4Qp2W_gS9he3i7NnOqVcCTFxDyvCzO7_OHeQmWi3hVnCEmAeF56sQHNHEUApEEZKGgYn_jOS1rZ1UIMhG.Y80PTi0t_jJtkGTF4AQxin_caIwWIUfBLm59NGwpoZ4G0UxK7CoEZYiNU2aUMopZbon_cQr567ZERszTNO6_cFT4oi6_cl5EVbWTfLruNiDcUiZ0HsZhs3LhJNSvED4wVmyynu2rBVFMzjqw16B_IdMF2ropNIm6IC40279UV8PbYW4uwF1g.DdW7e_TDDmy55HltiHiMd25b6Q10HWXf8geGHplNDOZE_WC5BPEi4Wgvu_Wb1Ro2Zqxilo1Tgijr1cO2XNFRD1_AxXiq93Iy08O7avysmgklums_tJv3RXQeOtkl5OvmdnuMbchFsOfEePJInhhSbfHmFxB.GuwStjAg8.couP3quZ0ddsd9gSeDIP9itTDkX9uMXejVltRqAYl6HE5wNXQMi34q8GmGKQsmmmVjTaYT8XAVebhE8ayvexCGSy_tihqBHXpjjDlbUCUiwPc0l5FgtsH2COHFqnfw3oyjI1iIZ7nSAObVugGDcGOkwDFNluh9pDO4zWYroUzlqzooLzOXRXoA20d50KB0LPq0NIij4c7eu.MGTgQZNBf95sBw9rq2CK7KRccgwGYm12zlm596O8ORyVQcoA4qIm5RH0gz1aNNfCjAnN3CWARicevyLAGT1OTq2si2X2p5kCfu41j7Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6a867a64c993';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\/1345987026?__cf_chl_rt_tk=_baNYjdVPhY4HSMuKrLSTuKjQvVt8PfqzXLRS0YahDM-1739393060-1.0.1.1-eYe31Nilq1phuNghlcWw.tWh45suN5aGuUkzKV1XYp0" + 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