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-affqg9wzy.mit-edu.top/post/6748912305

  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-affqg9wzy.mit-edu.top",cType: 'managed',cRay: '90f23991a8c73af0',cH: '35bI4ApXmTFrWRQVQJYLo2MKzyN5ecYj7HkWiiXjan8-1739086968-1.2.1.1-92DvBgbJknhUOpxR_iMprCH3sZxhKzH8rym2HUtdCKSdhS13jNQRhUF.YBvdQxwo',cUPMDTk: "\/post\/6748912305?__cf_chl_tk=2fPoWtqhmgPwadn.ihu29lHDYcLhyqwp91NyA_arSyU-1739086968-1.0.1.1-D2b6mWPy_qFLo2t0UP_EUb1Cl2pAPb6l.Y5_s76VlII",cFPWv: 'g',cITimeS: '1739086968',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6748912305?__cf_chl_f_tk=2fPoWtqhmgPwadn.ihu29lHDYcLhyqwp91NyA_arSyU-1739086968-1.0.1.1-D2b6mWPy_qFLo2t0UP_EUb1Cl2pAPb6l.Y5_s76VlII",md: "fzTOEdiFhjTCKqd8lwQu3ffAVm4VEAAqx8RBxmIfgAg-1739086968-1.2.1.1-iyRo1qLiwhjD4enw7d71ZZeHEA_QJVhlSVmoWCbz91KSpq_RKVCmXuCEhmadqvaovQqwY6FRDktGzqX1iAaNadrYImmNUYmC7krvaaBBd14CMWEtGYnS.baXOVwvTUNOlrG50TOJCBwtlDczhjYXFmNuwUGMygvbAiJQv1xIvbyWYjAJX1eLr5FRUMCLUtCHbdVEaK0wPvvCOkUy_6Kthh4ryZ20WazRSVEyq.EjuCP.t_8YV.4RPEJa8VgnBn3YFTVckPrWGHb3A30WR6pDlnz_bM8Pf.qsohgYGJRXBVabMdLLTbjcOzPrq6bADoCoxi7Astj9.yVctNDpSnYPxw8DrxStuoIxp1GE7CbkTD.Cz8VUmoAXWZtU6Z5IJaWmolqeD_ybyRW2vxJZ8eKH.8F8StgijT6wlcH2AqGDI8Efo9EuDh6fijFdHmQ5exFo3tpDjgPw7lappoXe1gZhKYHiDe2aDPrkK4vee_L2J45GC2ZVosD7nTCSFHRUK2O_fIXa4cjndHbJl7Tb80Pe4kqXw6RMH3rXkaDHsqm6kHyQJ11NKD504jXu5dR.dFmf6VxIOi3Xb7WLrqFlwZBX8WsjBQny17zTtizgzmUYvlPyfKxbCVXfUrk22F4r7txvMcHh0mDlOw2.C.yu.qKVrUBpE7Syz_8b6yXWQd_ewzO7V5OdJjwjAJcDwzaEQ1N0r0B2bVtAVjTtSsUfr7.6pJYjYsoTTK4d2b4Mb_mR.IiyE35CaL2zYDL7WbS9Iot.xU7Gz7.lvuNe__84kVY1QXsyK9ekyZS.3yN8rn8YsD2WOFLBMXE6wwRvFetYF9_3q3o6Ibar5Z5SsnmiRXQN9zhEVcu4pMt.UXbxuAwk9Ji5Sfg5etjHk3gSHJXeQLWaFMfv0KM6qudMTnRpX3764DYr5XurTj_P_kp4AgASE.yKsX3jr4vX_hOOm7nlD9KCX74BM0J4bliGJU9DVVA.ltfFdTsNV2wcwHef3lI0Vs9JIrXX7D85tfEllnYwhkaUe8Lh_AYD3NhBPxq5ZC1KXGUq8c.2NQOZxT4ajKIJlTMR5S3Q3a8vxUTDfOn.W2Pti3z8cPLJvQBt80RkVRKByOrYcuQ.uGRRP3ZeZUVEC_UJ8u_Cq829e2yW53ZS3aq8Oo_NF4Y7ZuiSicUSzpdAcvpDb13lx_O2v7OB.kNausJfnqanBoy9f0xb3vwTZEwMrLDkyrDW4qLEK8hbrkRIgsYDfe8iF4Kf8PJDckzNuBV_MY7pAguaeOoPZ_0uBCpd942HwSh1AQIo7NEU50pOWxW9dRHp7Gfnzu1918LlmqhYKgtu8JGLVOdL91GXPcsd9LMOw23ygVAnKjt_gSTzQ56y.1AXtBWrsuHN9muPDpx3vUc4QmOjcJVMSOFvWNLZiHcvBCza1aER.GdcW9gAmLEwRsW3yAGsinorbGT24exg9BGVFL44wcezzO4AdvhiVBpFCHAMEwsvmCZsVyFpapX3UIBcyVKFgFSUQmgP4DLM.rGd8Mctw78gYnIFAWcShjT27dF5T6bcWWILRpCZF7k9R1.PBK1cOWJE0qNzaPepBmi6IDvsqpmFZ.MnWK0nWdVDwWfeMdlBk6PVREA7jjH1p0PbhkVQTPlQTHrCnlTFo4q0hmU7tFie_IZAfcdLUL3PCq9iQ2Us5Yh_DdwuhsqJ9lXgceiwvF0KtiHvE5TI490HJiUdwI6T2Df.VhJI6j8VVcuUCPwDbOsuu5ofv4ognGolTY9oANp.loY_5RLUFr4ANK8c3IjsuxkInBxHIuHTc476ZpMkMtGVlIS.XU1v9PgB_.0I5PmDYNbIVl8xTXJ0KFJfulheYVetvR6AYFcT6pZVA1sqv1_5oy59WOEz6S8lCMZBlXrWK9jgqSA1DzJKW6kQoDOqBtNDUAq84HGhfMR4sWot2a96kOBsiOGCJELV0TLQB2qMkVav.gIQClm6OihqjjONuqb5o3ROvuAqRcGKOUU7B.dVN3i72v7MuQUPq0vXipMg_ZiCwx0BeP28UYyyGkZZEGd424EmhY4MVnl98bx11HR_eAJ3AHMALsfKTS8icqH1t7h4vMxBi0DUZu.hmphmTBZYxrFYU_SSi29V0d923r7R3.l0FXKgmbnoqlrmIY7d4JRVgHzZskAiNMcOIDMLk9AwqD6piuKvFeSlsJJC6J.Why_nmBTNT.pjjhsOhVOR7em.Osj5a4KXpyP_Q1OkrcCysgL3",mdrd: "3uyFXzYHdkqo0GlIVTRaMAs_jNyUcxrXvlKfoxANjOo-1739086968-1.2.1.1-G9b.ytgpxaeHmPn5fNrHcbEp9m8STRKhUNGg6DDi41xh57iwYDz8uTHLOd2MTaC9uHcmyiUNzJtxKJKo1UQ.9jXu5cB_CSk.AFTHgp5lTLMewXdIZmyuIzs265ZeKLQYBmQQm36ZnwY2ImCgY1Ah7kbAfHafmuILzQnFIif_polYZCx8n2JT742D1gosE4m77E.kyvot6QvvRDtFtYlqQT6vi2hBq0OCZ4AR.8KQUlYK2pl2hgaGs7XCn0XnZN_i567fM6JDBO3OruMFIxz3FbjjCz_Fn89_x7DXIQcrFq8MuRgwUuSKP2LoK3QWvvFNMJqLBqOKv7DUgLmp.u_Z0SAASWikV9FaanjCJORW9SyT5Gv8w_Cpp9Onl_NQra_eh5IDfrMl8jj8z6MrLhJQM3b0rOOl.HShEEGLlyFrrs1HqzMBdV2casqlwKS3hNYPAwGP75RsPCdqTSSk0oXR7MNOSdKssIgyPwSkCPC8FDTIirySlbkDrWqj3Qu0E.ahaSsNatfnAR1YWgwheG5.RmCRcMqkCbfH3WqIRGJogrY0PXU__JmmtmbX3It9DtvHiB.Zb9FgOsYQSqSoxtGq3IFxQDoyrM1i.T2syuzikBowjag1Xjt6cas7ez0YySUfYXeqdR_d8BgQTICooUtDlznTCxZ9EBgESk5IO1vtEdtWLzEI3dz8.cElqvBuD4b1l_WMi5_M_1xeystSpdHv2kqlvp4FtJWpVkaVC8eeia1PG6nRdQ.3Av.JTiPtgXZs9HaapTNYsVKWRgYlVZL3FVwL7Q6vJiGb9F0nFLyGIob65.jAxmGobLVL1xOjMGD.5bkNne8w._gvsBzf.IW0QrGEi6A_o1Rk.S6nNj.qiDgDVdIIPzlwhKinXiRKZ483XIlc.fHTIralKV_rNQLs9fd7.0J2Z01DjlhQOfZ.2FCTpx7P8Or2.JoI9BQEA2TB0c03bsbP0NII16ISyf2YAfX37lnGenZk_u9d67nc5i4MAMvsrBCO9FWq_amqY9btVlolRmlo3Uua4tokrRs1Q89sB7nhlBkEgHU_XftWcd0zPoeAS.XzIFCFitgBFsQFoTyRbsKN8s6G8NwiCjMTmORG7lx.lWcNHNrxNdhsyUEvt05xuUnSD8hjZj2XIaHNmtsXoSigHYe97Or3JESiobpYJo_H2rbkhB6vk3SsBcbLseqkBr6eH1UfcWQmjJuRPOnYjRjk5O.C1uecx6N5LLLM.6L0S_Lio.H3Ocp5jYo8DP.YrutXE6fx3dymXZHeGNVcWCM08OnEgaYWyAl021XRiSXgUs..GvueOzUE2lJlhhwzB6rnPAgWHQ5C6o0i6GTaq0AXzIiKJ84_JOxkAEtoTWqY77akVD8dfXUg2tNOVcJAgEmZGs3j09SFcNK5l5DZZjBMOpje0WfSitCa42ymJOiVj2UVg6S.AYdkjbN5iPk9jZ5Ev33cegjpPrcyhKc3tWR22h0hJPv7xtq1TCucB3JK2p_ZZ9JCe_938oStoq05dZFun.jXHAIt9Dp75u5LsCK1CiqnVWFN.QtnRgmgnLwKHsctsfgX68Efpo2V6oucKBH0Jn4e6cVhDpRRxm7BO5XK9OpkWKbnpdMmqHqdyudme7Hha2Qb12hoEwNGM63UiCnZ8o431u_VPCQ9.QiSFK.vF1q9IZikm1AEBrFYPO4DfQO0t4lT8p31oDB2csnSuicieyucy84qoK10wanrTgIaHVBRRAdzl_uzoOpUoExEbYS4fy0FHE30yS03PZ_0sdP8nS6C4yQBHPA_sd2d5Al7CLZva91s7efMlgnU04QyhSdv0J6cREHNnvI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23991a8c73af0';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\/6748912305?__cf_chl_rt_tk=2fPoWtqhmgPwadn.ihu29lHDYcLhyqwp91NyA_arSyU-1739086968-1.0.1.1-D2b6mWPy_qFLo2t0UP_EUb1Cl2pAPb6l.Y5_s76VlII" + 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