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-571851297385.mit-edu.top/post/7621593084

  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-571851297385.mit-edu.top",cType: 'managed',cRay: '9105c9990ebf2057',cH: 'q8zPFJns02LF78CX5rdFpqtEBb086zRZW70EkzBGl2A-1739292097-1.2.1.1-qWBn_03S1Hlz3wipQsbeQsRk9Vcs59DfIrkA1bw4byursPfTx.Ao7nPscPjDFIXq',cUPMDTk: "\/post\/7621593084?__cf_chl_tk=dp_MSp9X8Jk_AWUHXbQMdvUI1jTRnzSXIPNyqbbf_58-1739292097-1.0.1.1-OQD.10Z.Yt8.IugCw8K335WOMBmb3gQhdrfmzksp7RQ",cFPWv: 'g',cITimeS: '1739292097',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7621593084?__cf_chl_f_tk=dp_MSp9X8Jk_AWUHXbQMdvUI1jTRnzSXIPNyqbbf_58-1739292097-1.0.1.1-OQD.10Z.Yt8.IugCw8K335WOMBmb3gQhdrfmzksp7RQ",md: "JIRE24keQrmCDIEeKUaeMKvd3kC9Lc4txWlKGSBi89U-1739292097-1.2.1.1-J8C.HKrj96h_P7ZDFn_6uTi8KSGLc3A6gKLdT1U3Hm5D_8PywVpYJfqDLHhtocu.uIBzv_i1aWt84vkesa0aCho2T0ocoryQ8eQGYHqlyEmxzSB0LG6pIRLcQVR6jpLsD2WbT8zxG9DBmq9FaJucB4Ocape1hBceqEZCQGFgfMoMgQMeOZCjsIwLX5AOrrneDjK1psgvcTwLMm.Or2xFdbYkYihxsuES5Kh0MMiXs9oAtC4Ki1At1XO6EuXTBMRcJER6N3vcaVZcL93e.CmLLh15zC2pSwyvHaHQrgDXIib2ugVbv4uNrW.Z6b3DB6tZgcAcWDfGyCFwux_dMpgc0OqSckb75i.0mVlU7FhWHwUgzqVOqOOI6TWhDD18fYLh99N9ifut57_MyTBtbSGo6qPGVp9JH3bsjjcbt3IOhVAU.TF1gmHZIT_bKIBfOkVej1qOvwEavRFmmT0at8hFezIgCJO8eHHiCB4GhCzbD1VEGkbqt.td74oVuIXELVOMCQz1Sr4f4O84JFTHoSu58umZIQHMAzAdpJs9UkV3rhob9erLWCiC.KYfaMYvfazMhVsP1vp8_QqJjnaCoJQy8.dXfyYYj_v5PvCpYiXP8ZUnYWP_.E9igS9Jz4OmV7mPIyyliEYlB5cmqNK.bhKDWWlWwt11lS5ms5I4WBJsLhJrrfysvqAJZEjbO4iyJmWt3ObkzpQmCNQP8LrbsSOuKo6QivesRPMdocJYXjCDYRB3BHPqgDE0yE9GSXvCmZgU5GvGHpuxlD2zb0rOIU1afYQxAUdhLK8io52TeSXBlhRjd.Rew3W_gud5hF7nX4TUg5jt0U0UVYDpngnpuEiZAqkj7f2RoLNjrskhgpgJo0qIK9xOMvRQxszpQft_4KExeuU2r0Ney8kwmrfXts15n2mCOqAXllZk.Hn6h5fvfW1OfFffZMh4RWmqTHsxykOycvKZVzyIgtwgdQkC4iImnszeG8WjRDvkiMbGne7fF0OD5uWFpP6hvzqs2tq33viaX1DIOWq_yU0kNpxUrwTccNeQ8pfsKhWna6kMvgtGKjtEKFK7.pYlCe0rlwYpx_wAiqfuegAQhm3Sh4ROpGDYOhJp.YtFSou1qqAC0crbltxGMLket_PGsHEuBIX8ZFT0xOWptVyOuF_mQo6TE2lW8t.QVRa90kkr9IYknx4gIqWF.xrxBRkSwJddF4sSB2vlyzGU2OII5PVpoxFq5z8DvVPQq4DTO86mKH9KQKtZDy76rZhLcTnUDdEOWhAg1q8iUvSHRSyXsV.gDqjFM.HXeGUcXlIv8xClEvMGGTYGhiyuIv6Vj_ZTepI4jMybd_eDsqs2r9DFtYPEErzyfQlREWmQ5GiZQ1FDuibz_Y6768W9WgY928M1yG4Fo48_fv8HbRS5yhpmVYqQFuyWAOIucy3WYzIrR4CrCzBW_roTPCaxnwKcz41ceDKeXAaoajxL.cVkTnZAVPDmAjgiLEGyavGSoAXdWYV9pa9m3T6x90MGRCt8XqStDF9CoFbyDEJ_Ih5r6hVRuU9CbnkIsvML0WXT1RUF5ktSFt1zo14uZqBouptxZhsd.0Ju_I36UHdpvs7vDvP99I2GyNhjy4BJLX5ypfOje49kmkjZrPFC5LySV.ADc1vNCVhweDCdpZIl6gx7cMBUFl377RJ.mwGKC8NGDlRzAPyJcBKPmj5O5Qr6oV5au1QnTF_tgSZthR0XfuyNLJKLevXWwAKDVKKXchZD2Qg2cAs1m00m2m5Aj7dtAHMCihUsjPR4bG9DGWfoouLRJ83bvAzirMpNU3J_rnnsovlc4YXsncHLJaWSYa98VMkyMP6jKCjFNEsHzw1SFaZjeGLSqb_cgi5S5lFesS365WwLowJoswU7SFDKaLztcWSF6hslbwYTMZnaTtEN.MbtB6zOcYnJ944FpFlT3a4UnY7vHjjmfC6jzqJzIA__QjFj8CMG7YyA7yHcGrU9ZE7iePpznUlYkEhRx8LL8A8ZOzCT1WFKKcKLPEqTrZ_.4jdsHQIVZ7vPxNKNwPrGQDrTl.i4R8UvVNC6RSsr9y1eMLAKgdroY22v4Jj_Tn6EFNrlcCm0.O1.Ks1bo7n65C.mEfMyppVhlcEgmffYVrUWJGrByj2e2r2h3oEmHOsTTHQKZVBPA98Biigobi6f6lcVcwonDC17009TXyjNsE6snA5oT.0HRxHXNnsDwObobgazXtpSl.W2iHGXn1q1",mdrd: "4NnhwAI0RTWBql34M8ZeHk_LWmU7yKH1iBbMUI.qW7Q-1739292097-1.2.1.1-zJt5rZGLC3H3y.U239IntmDHVWuzBKOGBPdB9LrUpcUo4WaTr3BYSc82TRfhUG6ifukyefXW5NyMZUwRoOfja9S5D_S7Xibccptb3bvHFopalFz6aAwS4DJDMzxgM.imyzvUzt_X0dt4jebcKMQ0yIsGmzZJeUP3sI1ptlifd_OBZdmfHsqgGMZ7iPsNI7_tykxYvLE95XdRJq1cfKvGPSyEjnzWf8z8zJXqBOjCrvBmRswJz9rc1ZnzlHHj.yCW58slBmHL8D8NzD3tyenTyyDzn2.y3TmjTgxmIjknDoEy16OUzOg5sZ0NBESk65MjAAFLvKRIIyvQSYBNAOXnPNog7r1xI4ON2J3MLUnzxxrcLDcXomYI5yhNh9uVtkncshicPE1rrqDrAwbQOLOkGNYLhb66oLq5BtPI6bao8GV3mVwyBJhOSTXSAppVFizTiizuIb2nc4xBr.9Mo2toiJ0bjQ3hSYkLJ2QuTjz8LmZ7czE.nh3MBT8_rvJw6oK5fosQ5nq55gYk106qIlM3RqeK2IuMKBS1A2RW7SoSPYCdpx1r_9QmgUthYCeF91XZIOpsdjQ1ZJSyt4d7X1BtO1oCluk.mPUFAg2M0ssU.n8Bah67OcwLV4qpYGk_x1yJspx6HGjot3cin6PnyhimNqtnqd6fTNsDWm_tY4GUu_qqauveaO9MRnjjByrzfZYdIRw6aqmnDIBRrRrQeokiJ4opaQ1ug35SILIB3.xwioWTROTqrwXz.Un.9y_IpZ.SdCd_S6hwMbk684x89gu0qdF66WCaW7rYMsqEV0N1tHdBEuS.0pH.azKOrvLsN8YU.TgsX_vx5QmpQimNtt_.MsgUPpqWWmScoWUAY20G.Eoc9_aXj1OwkjKFqMEC63rwvwfUwERGy3QdK7FEk4uHoCbFIRZ..45DzVx3ugla4g8tTuhlm6B4sO9Uj2nSgFntyppf3rlNlt.3UV6al3eYjOwFZhGwRpktxgclY5QU0UfYwTAsgf9ORdz5BwtIvHe8zSt_8cHorpQSHr6dcXFAZiZLqfyG_vSn9cum2vT55iFfdBIWSMYjVw3y_34hF5yLQo0SYfNwdtY4hZAj784vPa8hf0FgP51o42RyJzP4Zk06VQgUqJKRt7xiYowY.MJiLENe8k81JTAyUhvKzc9S.gl9T.QeBYM9Chzk.dVBdvsZQ4Kz1tGH8_MY.lSVLJZeIOyXBGAnFkLWRWDTsus9_MlpdBuGOqcc9nq8rRdn16y475vkip0e_1ehXkZnbPHdGL7WvHDJ8HnjkHAUrHPdMkVwodlg_jncv9bnKP6vEMhpQpEQzN5RB6KkSQ9YmGDusUmnbvm2BCW6cfkQlAHiEmqa_HcmfbrYV3dSrrCV8gtZ5CpBxd_m.7zrAP6c3bqyPpvmwWOHcKS5eMITKA0Z2b.yES20kVbyuczgDA9B_OxeMb8xGafbyGb9Iq0AdQKjGMtwAOpy5EhxcygBgTUgyWu8JBQcSl0cHi0rhscbzF4985LYtZMUMJUaDInVTZSGf2KhVcuiBqSG6Vyl4734aUs8F0toICReKOXPjcqIQvJQqaDl2Rgk7hn7390RsZSfeminFv1PubTMuVXxkToFhxhYMl.8syaYb8stRj2ayoNL6N6KF1NeEI99ZiUOsDdtKT7S2fbgd3uC4EU979Au79GzQctmAVNaspUEoKm2fUcbmSXejpI0o90oWo09bv1UpL8101XNx0CH5soe4xV.nTKpncRzd_lSZDdrg1pCNwHENZb1GxyH8a4YLLJ28vTLIMj75AS32TSiOSwnWUAcy5EbRPcYHwwiJ5zEylM4kis"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9105c9990ebf2057';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\/7621593084?__cf_chl_rt_tk=dp_MSp9X8Jk_AWUHXbQMdvUI1jTRnzSXIPNyqbbf_58-1739292097-1.0.1.1-OQD.10Z.Yt8.IugCw8K335WOMBmb3gQhdrfmzksp7RQ" + 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