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-693188200931.mit-edu.top/post/6170342895

  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-693188200931.mit-edu.top",cType: 'managed',cRay: '90fb0ad83e919c5a',cH: 'Movi2DqhkGxYrNLj.JeCFLY.gFsdgMmbSq2dJ65MHko-1739179426-1.2.1.1-xqjMI.Yf446UV.bWStJ_dwhTYDeBltZ.edanY3m8FZ_I2PV4XXuzqBYvmUrMBzrZ',cUPMDTk: "\/post\/6170342895?__cf_chl_tk=ssX1I.fUTn7mfOJ_I9h2VBvDT8XsUICq1L_MZrs2Sio-1739179426-1.0.1.1-tMf_KXj4ZIf58LbJYHSVSTH_KxpiUvIsyLN2046MCnk",cFPWv: 'g',cITimeS: '1739179426',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6170342895?__cf_chl_f_tk=ssX1I.fUTn7mfOJ_I9h2VBvDT8XsUICq1L_MZrs2Sio-1739179426-1.0.1.1-tMf_KXj4ZIf58LbJYHSVSTH_KxpiUvIsyLN2046MCnk",md: "snkIBvReBe6UacYJOm4Nt9do29.CAXurIYtiwrxvHb0-1739179426-1.2.1.1-NAzH07NEcQjP3k7t6ZyRcVabGveTG2qZPkBHox6M440SfIyXeDGYMXL.WyiU7BDxJSX8uUsNeF7i7Fpn8_eKkZJzf9_IytgKfsceYyxmlClaFLLyswF86JwojwodORIf_cR3bJIigcQSeuTq_94A6GFxUKtDDbxIwMkocVjKmGA95YrJyOjvUFgD4emQA4IZjowutcPF0SOxQ93Wngo9Tu.u6Nr8oQumcUfuk1ZRiVpgkQ.wxzTHycaQyc0wQ1YpVk83x.71ua9Ce0Jolz0QyNJ0aKYwEiCDPNblwEqn6NW.TprXhSj5Hdc4YaFfskL6OQrq66Z42obQV9ub0lA2LMXDlwjRSYFx52krg3tFVPl_QYMmYkXODK.ZUMjpsVVK3RdOQm1tG3vqVzKOhk_rgl.vyz26LCLdC6WZ9tYmCvg_qTUyT6JHitpFxAGyV0zNUr0X7WF5Py31QjbCvX5kP7Kr8faEsZtD6R.CYqzIWUscHn9eXgr4Ur4yyfm5bEat2I6PRWH2zk6CUytKmpNlcofOmQUkdDQ2s8_WAH..LR7FKAvOXc2pd2ARvCdRI4k2MtObWkXx5gjblFhmYfzWU.S6LtFpiliT_wHcaLQ3OA5bG3eI1nt9oQxh545J7aefPG8yWHWk2fqgpd0iOslxI2OFQYXbS9QnfpZDItnPh5H500XkWnDs1eudc712tRo8trOzQMFzqSMMRvF3xlT54YrhpNwSLEKbTZ22BaHH8ajsPwbCjV32Q9jeUDDyz8bDGXZukoBj5SRunwM7eQwF20aS8Bp2ef8UTjIGS6cFNt.a2Gw4ilKj9fXxtHnyWRASJlFQKvFfSqGNk873V9g556co_lr9wrHQgqxk.iiy4cpw7zJBqwjdgdi6KxR7v016QD.WKi3jHYTh1iw45VXzoQDyKA1JoDrzKqivCBLhGQv3GBZVaEJQqRR0IYxvSkSx.Tv0OrS.hcLVznFkc_oz_HX26YY9zEyhfs.iiCd_0Tzp60yDANTRMZxfAYnkPimfvm35ph8NpBeJsYj1W3KzxcPiyiv37tx35aZI_yQPcOyeSnXpbn0qLcEVR83iZQJWNvGFer3u3gd.Lq_SVEeXaVYMPVMfxzRWN18x8Webd1tnj8tfJLxf1IZFgBlQAdPKLpzIBQLGaxkP5kyc.8NIJb1SERnNfvbgZeKgKvR82CrIZsDr1Dgj2HBFS8uwBhtenXZjVBsFwH32gJcKL9fyNk2UWD7rSHaTSBRGqdKmS6291XKa6O9pJJ8rxsFLuEVSIZNYqBnEBp3LgB4UVHVNaDpVG6NmVOSs0.L7JuRC_ovL4XWsSIubFzKRJyhlEV2wDpLq2aR2fuPDqCJpIxUXkzwadza1zaqbtoVvZVSNA0..nO4gX9Fp82qYpWKZb44MBjPflq0LX4UlmBqUPHWB_6iQL7Kqzv9.5kBA9OzQ5vx_xbwhFFKwGiuoqjAvk0MV4kUFPOyUfWVWVIV8r39aVAS7XAwW4pmfQgTU_nN.yUmoGuPcEef8GCXHGS6i.gw5h5G9FR.LYgOnyc6qtygUW3kDmGa9f7k0MWBr2DdyRLfV5atJip166gpumc1mDOXzgd4ZXaqVMd.8fD30FYBv.DmHI7S5k.72iHxDvY8TeYR__6g4ioCRoE3M806Qh7in0dx6rcgdTB3NQjGZkxTG.cNAYquzcy1MA_q8WDtFCRh.8CtSbF9xIt2LRHcfRaaj7awA7ytWdfetSr5zpd4dOddd9lQC1WWBHunnE.KC2XZKsi9gxCu4oiKQig2fbkvmvF0x8kBPhxSnwrUUE5iVHd4DIOpcVgjWQKhAmyUuAcAmQGDNRnkxz1JDp3nLrcKWwd.bTGmwz5oF6ViIoGtieeYVjMFQF.CnJGoiMHcn3uOHMnVPDNgQuXSMA0kozwNRiF3Aj0t.Fxs2sEuXXXOy7wuwd456B369wNO8HebZad7CPtGchWpTOEEBGlgTs2lgRpsPlYCiFSyfhPBORHwPQhz9dCtt9qdNeoggecPIK2zd2QVqUYtXzONu7mv5LSadMcfELqGYxW6GvsESTzZwfJNIrRv9SJ6mSkFmfEEPH20Gugp7fymLV87t_TK4wSrdWM_eNpRCVByP9j9zqkXmpbpxpiPKXFPI59Yfuvx9wGsKwypPLcxSJ.wfpqlUEsi_Lr4yj7SrC0vPLcxYb.v_c2ax.snl6mhkib1MMvL7KPXz44x1CuRgLbuVhAgJ2GGo",mdrd: "XPJYH8Gjy67mhFZ5GrGOJBDPsLc.ETVyMRJlxMTUR54-1739179426-1.2.1.1-oemGQZTdlRfa6Nal0KtNkyyQGmtk71utiPFvESbHOawH4jIqk21wT6NfWqTukLHnlpcBlGzi5BIopIXfBSNfDOvFiC8EcUIJl1o0c9tuxgHMlrxVLKT5zi5WIEhEeSSrgEy5EU76Y.2VTJv.3t1fUg7aya0dkXKaRsxpHGMmIYcNj2l73qRabWl.UXBSKDhU.OWiIsxaLPQQUWmnbVOiQ6OYP9taYCOp4dZgrmvKPW3zt1gMwPSdpiBbY5pbm3C4bmeI61lUC0TH5zyED631l1zMMFI8iMQ5hIWJDRRvx7idE758bo1M20IPmanySC200efjDnYgp3JY_rDS1GmyoaahxtBFNMsj_L52lQ4kMbMDSTYdph621egMj1W4PqEgE1vQDHT.TpTun5BWtjHj1ZQzXJINFv9tzDMVrKGeSjRi21Tb8N0ll5EJ1mdnNpO93mknRvOpa3Yi4zpPCYm3JG6wQMyh2o32IuZuiQTNhIcNKabHgmqNuumbAzc86EUtW9iROCrCBfVDFJKmFiFH8yAtXUkDH4YymArL24SP50_g4K7J1OU2XPpOknh3aZFkYLmQuQzEKmf1YAfFeCiwZhAEFZNJF_.0BM6mZrYtabj8o.87QO85SyJh6mUCFh3jUrZSazVZYI0iIMGqgzWKGYaDpAeNd7Ki8zPZ1bipWQCRcknh1W9kdWLsexRMAW1z5xdC.QVyUgY.gf_5tLSHBNekz8Z9ZotXJMwFt.ifkqa02833KjUNpiu6XwVWfZmeTzvON2AMt_3Xm3exQ33ezHUprlDG.9hU25DqCde6V664Sfm4MLMtYMzTIlRX0lY8NRyt7DoOTd9hlOGrMCmXOIhjudMD5ZGPm1JS5Se5F1IWWFbnF3eCdd3cN6SWqSaiRj3g970XZ2E5npvR9kjGKtKIpWYzgQ8HzZNLII_cfsRgApKayDzXIpR3Guw_PtPcVml98Yc8SUQs9Tzj9yCeKu_6xv3Rp.5nk47onWhbvxZjHCTZ1VZAWtcKwuD2druwPuRWqFdCkG0zQFAVL65dkGxJIQ2CaW5IMQgBwlTz9Fz1bWKamuOU16kag_U.zApXeJBI4tf1Bb8rU0jIVbf460298M9InleHINC94WVDV.4s84SVq5NY2gwxx2HNx_WOfc78gHfcBvYpV1EZwFE12AKUNq2DYsOhmTdJNiePzr68vwsQMDgEY3q7R06EsQo0flGfousrF2Wq14NTVD_e0X5eAln7sBkbALrUWwkM4H71RC43uhGLIDnSjYniGvcgWME2ZTJCclGqu43uCZbZ0Vdj7vfP.ahSwVn9kM0fGVn7dET8Fxlg9ZLYDBLzJ0UhiIkXHd.6Oi1Lf9BnXZMKE7wr0gWGooBdxNgwAS3kGLPQsZqLa8CqkcGW8F.27Jn6SnSXnjOZhpY._PIrwIxJXmA3NBcJ8EXoIPMCIlMTXVHJnjpcHTFqN3WPrEghsXI7ITNZGdWjJxtLTxKfBN0lvsEI8UrMlC03CmkLsINJJSbYt.xAzDtnCRaIZVzYlC.LcJ07jA3gfXFiFBYGHWsyxXPMvqJJD6UY74aLv.z.98ndtXM84lrcFjS.6ka1rIX4zS3_xRbQ2hmwPcVkJmpNzBtFpifCH8lnAmkHTpdx4xmExKDuowuFdjZ40kH7BFdYtVf0nLGN2S0di4iDGNm4gn03GOJzgjRyCNMo7B1J4Da14kuDJa1zzgYwJIJrgS9wFl67IbRiz2Ljl2t_lf2cuWK5bQqAYUdB_4TvyqucOxU9ASrSZuunRB27WXUE2LHlz5RQ1x0Yy0WHEu5FGn.RXTgRhTmhDQUkAe_gImlR9hA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0ad83e919c5a';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\/6170342895?__cf_chl_rt_tk=ssX1I.fUTn7mfOJ_I9h2VBvDT8XsUICq1L_MZrs2Sio-1739179426-1.0.1.1-tMf_KXj4ZIf58LbJYHSVSTH_KxpiUvIsyLN2046MCnk" + 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