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-551337018052.mit-edu.top/post/0327854619

  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-551337018052.mit-edu.top",cType: 'managed',cRay: '90f5f8d48c299c34',cH: 'nxVkOBiRYKpIkdYmfD95txwE_kYLwA1ZkWQUY3RdTqs-1739126259-1.2.1.1-Q9zvf4toXhmJcQaT9hpZDegHwLLpVUmqnvXeFeS8m.rmJmHcDHLt1kF9MMzybeIK',cUPMDTk: "\/post\/0327854619?__cf_chl_tk=GRPkIOUMlCTvBBc2LXLt8Wzy_I8cZSSW_qsIjlYLqcs-1739126259-1.0.1.1-EK1eriykA7GI_1IMjrDnys77zjWFaunTJkuwq.uyYv0",cFPWv: 'g',cITimeS: '1739126259',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0327854619?__cf_chl_f_tk=GRPkIOUMlCTvBBc2LXLt8Wzy_I8cZSSW_qsIjlYLqcs-1739126259-1.0.1.1-EK1eriykA7GI_1IMjrDnys77zjWFaunTJkuwq.uyYv0",md: "py_bLaPyts3Zyr8Ef04O6fCuhcnTtYINQyvyvbnS2IU-1739126259-1.2.1.1-wxegG70SwvWfZmTkiY7DE9yRTK.01CKlRy_CvSr1NKMcXMIkX0V6JMna39exSIdSdUMMtevuBuWuqvRB.G0kyemroSLb2_WhcGljI98aN40A4r_DlJQ3gh2iKLW2jLd221tJ1H4FGmymWcj.O_jzh9jpiNo0h8c2.GOT.hdwxCWfrS8dA06ZbkKANArUwG0pIVVF49jASOsuQhQs1Wksdwo1VWEjPZ.CwEgFkpupMqhp3iIJUGy8qX18E.98Wv12lt6FTpweEcawftUD4pm6kPaxmNLojrGfVLg5GoJnnkxBgdw.E4q.Qcg0RBMl0ezdq1jVGMmdYAN2XxXOMmusB4_BaSLpVk3hS8G7XahuwtYgAF3unjPe37Waix4QoiXKLgEktvB5owzYpsSiD0UYYcyYhSgpaRHajSj.I70ZJLyU8Zvbl62nlOd2cGjyAXJpEyW6eFaCpyXHZ2zr.Fi0XFvHS_Bxx6b8GhWdwY8Zww10XcmrRGycV9vmDrm92tJ9goCj0UyDsdQyQZQoQKHC9s3UIbIZuuPAxnbxu.ZCo8fK_9OswVhUGOSHQQiJp7JK1b0suJgnz2oQNyXzoGDu95RBO3Y6zFg5BZAzGvqPrseVINbdgr4D8FjMvRjivJZh2g.4naWOdw1ouwyJnVKMYxhYmMEvILJ6mMR.QGCMRh3it2jwlE9El6P4dJbNr2JdxklzTI3XgAjK8KgfGt2VEOTGxwJ1zVg7eoQx6XySBrvbUNmR7aJKc0P97x1JyZIpz7pviwO.2_k84wvtznXcmsX0JY1tFyGWTJlXr9wYViJHaCG96b1aTadETxgT5PWddl9HWqi5CLH47FpwXOGYcrexjdrtFqj6uW9vMYuIpsJYjVpq0h0ofSLQwl9deB9y3NjN9KCTPe8Pz_cM5CC6jBR.DlnBENVM97PdXGRrmg0smfYRGflrCLnDe.QE_ed51GaIX5SEbEXIEOFtuhkckXkPtPb018BSWs94AsFmahAviqooJm2pmOrgU.Ag8TWycZUE76k.f1DPkby9YMteRh.KOd.Zjn.h5jLNb4Y.ynT3o6zUMo1eqfNW_Xq4CyZX3_Wx0SDYLOU3K1RJl37DFHVCQ3KI0OjP5jfQoiCxQ9fOUB7QLqXUg3wuk665S2o1hFLYNybaI0R4XuSdlzr5XN7r5gGhgzp13_XCNy20ZiWWFKpkSEjkfHk8uqyPAg4nxokjJ1GmglJRgyrk6qVEDg3.QXameY4ZiunD0WW2mRk4DYnJj3hxEY7DDwnkqXTOhBDv3agSRqQKMdd86JzTJorFxnTUJ_BVaeH2Ja31sag9d0mJEz61Cw13Ovd857XpcoPq6R0ilJrmROuLu_OrKUe.FeU45.40.0e7Np18XQ52JizeKJlPWPQR4Ww5fD7Y1H6cH9RRaNkjOKhmuvcpcrimaeDa9TMXS7v__UsGPuSclatsAO3pd4tu.1ANv.p3QAWSRjSooQ_5hdIX48wxCTv72.3afaUwKtEBod3YuWf.geqZJdeiKtCkkADZIb792t_Iyzqjnt_Gv8mfCrEFfMfFQyMp8h4KfXwIikF6CG.u_NJEsAslf4.cZ40uswRTFLoe2YdTNqjn5zuzrTDD0PCvRGSJFYZPB6MLm4fFqJvhTFDIj47gxqGATizIUUgGsl6Lnsq9R8DCApERzYVClu_sUlxumDR96RHvEC_KB7SSH48Hug2Pz_92pJELLnmIxgFqBs2ewPj3eBSLeeYJ9nu_bWDuY3peqif37luudwIjj3rNkenpz0HOrMQ7F3nb27SDvnQtqdxP2_pL2puhI1l318ZQW3Pr.y6UfASTcGTj5BtjIJZiBCHcUqwIvyH6I4JormNLs16LqSkxgrQFrt2N4JkA4VF5tZ4pq3Gahgpm1alwb1kqktbfyBFnnwcF3yxVtKjWspDIO8yEN.QZgl2n47acyNkHxDxsp_TkSXJEFIWEqT9l._goSn7fFX54VxFxex3bPP6dLLDdauC31BgrzPGZRvWv4E7eNa4WU5Cz4TYeeuGLT5bo6CDeSQ_8i5eJInoZm539SRQpqNFSQldCmFXcMsy_6QtTHWlRMusKsvQVa7Yd9fPZfG4KzhGjYVhQ9S1maM6KBdv6adWIqsgk8IRtr1WugdXfnNJnaNckQjI6x8IbbQSIn1AAZko70.ULdEx9op10fk6cbdlv4uD2S7AkTUMmU0bbRLOEHlA85I6U3pp_vjK3pbqGPR4h",mdrd: "Di92ypXdEfUZREOOYN83URohVCuMV8oe8_zHNwEBVCY-1739126259-1.2.1.1-JIaSNXVixYsrG50AXEesGk1qFS8UOvfs9LEOYTy607V1ae19LthF3mjPfj8srvobgEwgxWst1U7E30bPJEVmK_f_1oTOr7ObMoG7dsqEz5zFDvYsvjGvzPgo7lbqAf2meLQ8pIXjOp8fknmL7r4vMqPkIOBLcDgsKltNt43uwj1gR0I4ubk__icIug1qBqn2OL5wroM3gjhHkeunFBB02MbKjmLvCBL0tdfXyaJvOWVB12br69re1cASKVo1MU4CkF9H9y3okjgaHOIdqQtjiOuJxVH9nWbS9jU8BX6o4dlWNtAT9hpX3KSZ1NDoqbE3y7Mf9CVzr1t7OzjNXonzBbHDJeodsVP69bdGNGNSC_zGTckG06x5UuunjICiMkDoELyXVesf0YL2Gt.CFvDIW8uPWJxFFKgoFjsI6cOGxXsRz6HbgyCyvg8LpVzZQcTGIQOEyFwdGiyFN5gaTsYDzSrlCOtqDb7mEVZvb1c6savIG11DcuUKfPtb9uVD7tthpf.csQydhhCVDMmINiaeMot825OqCcEPsRUufbnska0oymZe.v069KEPK18X9bf6uUY5leMWOwNuCufUeOeSf1Mbt3GiYb4lNz.S9YhtET8n7o5qJrqylaERSTiSDyZ7HBlGpsuM8BjpZTCM9ePti.c_mpkPjf24EMN9Q0be.e9YlK0MXuhGpOIyIuteXvWseYl5aHiJMahKXC3b2UqIAL.XrUrCKPKovmyvZwN.pzU_iEeI6zsY8lnH5mzRHcEQdutBfloCNX2k_IJHxzpBXMgr7T9wjnc.kejI1x.a1mwWVnBkj_ri5Uy.YxCkcWekZjlz7d0wCjmfWLjc_zCX4bdGBJ3HixdncNYmlCgP31LviHIINVVrtUb_2lc09b_qnpYpsxW5F2q_0GK1i3zK.e0n.4vrfoGsBG8pXfE3VVwNyl6E6Jrn2obyhZ1LRPP2.9tA3w5x6ZT16uPCvf5lIVQyOL8UvRAkB05sQQSgG27RxUXJaEx3WnK5DJnIJEkKMU77kPxMjTrUQHHxqOm.cgFL3dSjZddfjw3wdp4P_SCZTqVULvwZUS6BqLSavZsryj2xTNqFxZvEWrISkSYHbqUwhKLr9mR.cAgyDuPhY564O09NIlyb6GkWIxQdDhYOfwUcqr6LmWNvuZPi8sTFtlg1gLPHoZRL.Z5ECkeSLH9.a5LmXncKfL0BzqwtYK77.rpKLKb1hFuu.xIOs9DzKT2ePsKY7B55QP2txR2d0ODgp4ZHnQLh2ujltiU05HpJvZRf7tn1gBrr0TB.lqj33othNqcFeCMIz0GV9rujRuXvNQhRRJeuuwlJo0lZJsVMu_ruddGdwrB6yEHCk3ysTQDCkdssBPm6WUhtKBMn9mq8CaahWx0n8igCvG0vRkYwvUbdwUJf53h_GQvFjugvrqTaPqQDKTE5gwoqgZ8vMw8ojW9j54xmpaNK4Vr9PyUdUy6cn3oBwFfng8Z.YTYEHOLbQy6cvVulsYtuiCvFXE6iqmidVFnLrGV7drusc6.xSPPbzPZIYxmlWu9CRbS1rihhakrlJ3cdlH_yZDDA0A0M4KY028oHOD9F3Mv1xjzKfh1zo.wSkMVdFsWt0b5oVq252zT_70Z7fhIy068E7m2al5FcyKhCWZ1jJHW.13dpjYRJYXm3Y3CYt3YbykwT_JRmlWtJZ21y43BYfERAopA8fQfYKyiW1yZXBp5MoicbOnw5GEE6wW2vcbkdwe3VJ8d.hJp.hzqSdvF4BCHN6rcDHNdx..M1qDmXt5sqZcHlqQb_BUuIeZIKYbBxrc8Hdpx3s6sUv_4YxGE3WBUWLyo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f8d48c299c34';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\/0327854619?__cf_chl_rt_tk=GRPkIOUMlCTvBBc2LXLt8Wzy_I8cZSSW_qsIjlYLqcs-1739126259-1.0.1.1-EK1eriykA7GI_1IMjrDnys77zjWFaunTJkuwq.uyYv0" + 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