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-447307856057.mit-edu.top/post/3829416570

  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-447307856057.mit-edu.top",cType: 'managed',cRay: '90fbf5a57c71172b',cH: 'oqj_BZ1eIQcGayPv3NByOp3O0Ulena5jblZpRY1Ai7o-1739189044-1.2.1.1-5kGkVcSU9PvoSYxc9xeedQwzxaLAMXxX6uXGhrq4w3VelzGct.p9_P.uXus7AqbT',cUPMDTk: "\/post\/3829416570?__cf_chl_tk=QntvE6vTpsnvGuvISZR5lbgPuGl3yjBYGogGnwmZQHk-1739189044-1.0.1.1-E9Y10WNe3B5pDzWJbLoooRkZRBDqbJwSzMaoKj_uEws",cFPWv: 'g',cITimeS: '1739189044',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3829416570?__cf_chl_f_tk=QntvE6vTpsnvGuvISZR5lbgPuGl3yjBYGogGnwmZQHk-1739189044-1.0.1.1-E9Y10WNe3B5pDzWJbLoooRkZRBDqbJwSzMaoKj_uEws",md: "SgSGj1Mu1CuJ4Y0HoSjUycioYji6YHhcCJ4jH8yuntE-1739189044-1.2.1.1-IVj6u_at4zBAB36Px807xFI_0WUIrX45DvjWn465l74S77llpl7HX55gOFaf_sTSKljjbaSubGWWZQHT3bu.MtqLl8fgAblGLbstd9eKO_zX83.zy9xBSitS9QEkcZitbPE2fOwFvn_xYJPeMDlXL9_NwxwmrwNYZPKJDpSVzAnM9oVN2KmLnKVIBpJ0HVSYUL8DdPmAWJkFqe3w0kgJ7afx5wKLCgXH6XyFJ2roBRtxtytaWETzv0kXW6xjwUpb03vZQiTsHOyKLMetpklEjAq0InXS0eUSbmegwfRWHQ0uGYI_dihr7omiz5bA0DAD3532HpZkeJmNUZ79vKrnEaFCSBhLw4PLoYGC9Y26fknqYjpozSMqIRRf18_zEaERW06T2.zQWG96ao21x9yeXDmGX54W5dDSEHdC1KUafMPpvDlLcB3T7H4O5WhUzKu.VC8JfkHxgQJV8M2UlfM6tP7ZO5wqc_HEfHWcY4MmLmsVfdQozq0kNWQ8Q.XF9uI6X4d27EFGEGUhGhkW_3dvmMeyFsw2NtAyQDTBXT6RarZjBgJ4RW45nxpFJbOl0loHc5M82tpj.qlvTDlBSdCubCcXdI2DCD4SSfJ61HEKDcZ61YGEtEe_4AbmkARGX8y8GP7q299HPZwz_X4GaBA0GnKk0.Aa4tGn4wmRa0DMWtOS9j.zV_c4EKILqhmG51FB0hpzf29j6pzJZzS.o0orGwZyhKY2N6pL8LdKlnI5B9WYuCW9r_xPV8Nswp.Y8C9t3higaRg41L61AwS80habAhycFArIR7VC1IVEKelv4PrZi7NiV8x_mJe70bQYgQDqlEVAaKgLPRPdWcpLEUZSbJ8hpvU0NKkr3av4D2EiuJ1.TBg8Mhwxq3TjPOdKOSPnLO1wTROglFdY_cjWzGh5cU9xORn2O6GJbuMHwHoZf_LE5f_QzvxcKDOJME7ycPCO4dWZPHu4zbhwxAA8yrevyl2auz3gEa2lPKFjzBbbxCeElY_q15ZV486gthlMiPXyMsDlmgKtR7aF5QJPbYr3oVFLLyyuseWBBKvPE787r8g0Nda1FDgiLBEE50MIsGYuw2Q_xk4HDm0hkObGIybXnCcvt4fb1DoaAhjM8gGDaC4IrPIgN5NuCO9zsPA4OD4iKwuconEEcXUq0I3huj69AD4j4Oaov0n0.Cn4d8tJg7BkFdZJ1ZjQFtNU6cGHKn5Qe46Av_2MiQ516m98.cAVWoiESo3NJgN9q6u4rwJANiSd7kVBNOSOVOloXIDnVPEYy0QSTQuGYwCQVzIPsvkKQccowNEM7QOm9snHAFZPW6zBRv0cbkzbHc1DYm2uB_ML2wMWrqQC6cNWv9V9eWL9E10ePdwQOHdRAC3dFu805aE3bQqt_PTCCFhp1NqzASvcPUHjtzVD3LV.kP0bXXbfdBnMJy0CZuhwjlmVm9VmIJud_ocspbwhcaSh.q6VKHYDMvbklcizo1T70KgrvK_.Tpnpyj0TjKSEYwEm1ouhi49ohvzTxUFPHyD4giQ79GcF6AJ8rZvcJsxlLHXF0dtgl08EkO77NgT_CKIIsFI5WB8IPg.polcfQq6T.eLgDTmyKTcnac4pohSPg7EU3SAx2C8wciYNKZ42QFSA64.ecmO0lVzj2CpsSEB7dUmfWWabEPK1OzEX6qrFbdD8F.VsVupgeTdBxpVCCl.bLRkp3taoUtwrDua.RFBo95V9AmG1A6Z2eURvXeq9F3aIf2ocE2qdPoZjLbnKj9CfZCG77To98pIyrJFIwusV3zC.VN5FAHm3HGHgOYhWxWdQpfBz_evjdXvxFZ4ly3LHcO9dTuzQuMU4dtIlhlrwEH_Sz0zLVHMVC3sWfjDy_bkbcq1r31Z9rwucsQmbfpEfgNNysz4l5l8U8xu5apxaCLb12DRYGwbciESY0T8b6KnQWf5Mcp7M_7fQQzwAxKnqy1sBfOYuv5_sGkgb813.5whxohTNm9AAE2L.dyyJ9uZaf48q6fZi0RixInem8HUQbPn8mpC1.B.yPeMmJW8Pf7E9X3W9cOt3ZY8yw.l5_Eu1OMqEmd6ncvtBSfWkhX3Pu2X1n.I.i_Hk_9xkjiHKufLbwr0kqTD2H3bw8_HL62icpUpv0ngIiv2V8iUgZq0JskI_FWvbWoOL2xbIj4ZiywIxOtrxXx8FTjVbpXyePyl6fgKVmJZ1CKhitc5cf88HfsrNnsnCNrkDSh8cBgbaHr92dIGe",mdrd: "pKLEbKLqpc6CuETdHxBX16vYF1hEVzix6jH_.Ca_aDc-1739189044-1.2.1.1-5yovC43RhPLP03Xchp3EpAtWjacVeyXXI5gnAjqNzoyEzUPbWPE8mSu1ye7sazyxtkJ3afy_NjC6QqThJulCrN8U3CraIPwM.oq.0X11GpbIGYhdH1DqcmzlYb.VWs1KaPN2cJXUAFWGwWwxleWERvH8hNAM0dygPgmnlxeHY7te3O9LKsGI93WaI8TJnKIgRVZXJkhE98WNogf3yFQ_7QDl_JTu.2Y7g6DQ1Vpud.S_ElXT9AkqQwANLKcf93e0cTz1Il7ZkQ6kc1kqdQaclshjAsi2TyMixSQrUuClw_KJZsJT3mC9JwntQs4aPLTWTsHuV9jT9Bc.gXgDjwXngRVW58O7ZwaxJV.NPJzHUy2.sSfnBZhTpqpyWeyUkeR3BR1Sgr.U6McsWAjvIHVNesS3Qsznm1Eks6SWXxY_SXQvpzT0UuMnsFqO85xNOu08HPXYWpctUi5GAV6FSdGJJPvNLT9LpICfql_S47mnvaIyrsjIcLSeIulZPKfoUnBzghkL_WkBJOvJWA.Wr2s2vhXlfWXRWYX5odQEV6oujgmI9je7v92QnsQgorgo6coPZeQEKgJfOHYBnPJoyDjObFiILQ0c42HHUdJELTEx0CimqpyelYHW8CaUmhaTn0gp2jPiyy5vaVx38AfLa8_KrSrtMVn_LEDoz80i.G3uRoqfmPJu735rAlxT.CSMQAJech.rLn18rfJ5rmhkRXviwSyhFP4EMo7cCACzwrUrCoJfHn8ca3sZCSoXOaDCOdGydScVy67jFYfHcISMUDY3dnyJwHPIludrRiqwc.8ArjjgWg6uUcoVI7k5vbGCIpGzr1NrYOF64G.C.A7H61pEslfpPLYXWwzbOD0_2AC0PNGTs.q9ZS6D1MTSABX3wR7.clEOGobTn3rcGUy1oCiDAH7lAcaxy4Q5iXyh3rjK01JazWbec7q3ZxjXPx_knwYYkdQisfqtmVT.o3Kw87flVkhF6suN_pdHlQp.b_VXS15HSNS2K1pBtuGEm3q4Jko5SyYshBJjocxyfipCdjI.po3eXRnLTwyYMTbjYT2Psd2tnQTBdcik721edauKjLacuHAjpFcbSQlcqFSVROp3.zremldIcbMb3Udjd87pDWJSbBqf1H61xKNNiMdqYPioRafk_h9Ka19f75r29RXETaVuwtJvtfa19AIcgXhAtnIScLUNUlazQd9L0v4CkOUWCQwaXaXHqrn9agyt4EJHWOe8_ypgsUA.vKCC1NndM74rAD.QYkutqdPZ47IQmiIylThC6kCwwgASKbueH8n4kEp1nr6J6Q7VK_y.eBvckSyE6Zujpc8SYntCi9P6T._zkg486QfhJUrX5TOIyQpOXKXkkbrYhBBvFsf1JxpyJEiMybcPR_8f1dVuvJjPwwPIpHCJgjbeL4pPAZdW0zVso7hESZvgaVAnqgwdNwDVZGpCW8snd0bTGLgVHPhyv21tOagzn_ZddQWbAmmNftL0WnoNibTt5CLv9dTsJuZdhHi3TCS5p_dpdxVPpnAJ2g6AUx3wXs2QDG2W0xs9e3lGfeDFM9R7ypZZ56UNvjGDlFAvy6KwpQ6V0oqgwSF6SiI0BjCb5s7Akyq1qIEScLiNu9Jyn3lIvAoaYIplA09ShYBfQ3HYM0RPCLeRUQOtourb06GybgwTquhzAt08wqFgmGGo1eq8uuNnZQxFH.lgQ_Td5_b6YFz3VqcC8mN4m9zSSW.k5i4SINJcaiRMriRiWdOQDfC0kindDVKOPlsI4pfbM41A9zbijjqqZ7CsICwxcG.nDP2TW6uJVQHIs0wlWY7IC0xAfG3bnivTRq6c1DY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbf5a57c71172b';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\/3829416570?__cf_chl_rt_tk=QntvE6vTpsnvGuvISZR5lbgPuGl3yjBYGogGnwmZQHk-1739189044-1.0.1.1-E9Y10WNe3B5pDzWJbLoooRkZRBDqbJwSzMaoKj_uEws" + 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