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-939577499088.mit-edu.top/post/5489720163

  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-939577499088.mit-edu.top",cType: 'managed',cRay: '90f42bcec9263b8a',cH: 'GcCVWIRDp5ENmi2JfiKomUMhdV2JpR9gKZeFjS1LYXA-1739107376-1.2.1.1-CrBYhYreq1T.wr9f83KYtPLOY8w6FPYezX.rJHx9Qez5YF_eZ0SFu_0vo8qWSMKc',cUPMDTk: "\/post\/5489720163?__cf_chl_tk=NedNcBegujIzhdIQf41C5qn3o62U2krseDy1JGfFMKA-1739107376-1.0.1.1-_DzsHu7DjLn4aE04REbcDasS476.Bz_cp3HVlaMWot0",cFPWv: 'g',cITimeS: '1739107376',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5489720163?__cf_chl_f_tk=NedNcBegujIzhdIQf41C5qn3o62U2krseDy1JGfFMKA-1739107376-1.0.1.1-_DzsHu7DjLn4aE04REbcDasS476.Bz_cp3HVlaMWot0",md: "k8YMtKNSrLgdEHVQrpc1fmUw.1GiiUIkw4i9d9wVt4E-1739107376-1.2.1.1-nglbkhLOfDJolXTHRreBmfAze2P7Mw2zH43dS6LfT_.5nabpGUhwSn.pQ9OId3_G_9vJ7ODisT_iW3ZhbUzDi87WGvodDqzpG6aN5Oofjkp_WqxXFtmBLmpZ.a840rLXpHNxNxgluR9m4Vk5KydyO56DSpoLYinV4_Yof9XzKheTdfxYXKqHCfRgOUMTDzApSOLi0LB1YZYZ..MUyitwPPzDOaQYmSews.8dR8SfP_jiMWHQ5qgNWx1kg030GgDIVgd7fAKv9xE6K9m9mKN1Vf46EIs0Cr1NrXF3.jL3yO0dHfYD.VAu7mhq68LKNWKBIHmvBqV4_HoPZ10pjpJSauGZenWhm8WQ4bBxTrtACm.RjufdpY5RKY0WmShaAl8czH1PjwcgmwdjbO54p94PtIMmP3e5cGj40DkoeAqolsIb53N_eQGbXzas48rOv8dEVRDv5XsZPCQWUmOlBJBq0q2pTib3Ipj4vuMmYuzPASf.2GS3WFc53qHNatsYK5a0yEeFWLA9MKZOhHMJDsARA4zRW0F5eETtTPtL4eY0q2V7pMuxni2HZAaRVATvxpHJ0emKkR8YtDVthvsxUKQQ888UHnXry1OA1VeLTyPW8eKvUycdp7PV15GZlEAuVNUk7Ehu75eM2oZDazY_vdTOK8jQwmc_3AeTNkwgNTEiun5DZHEYbqmd0ialjSE_Qbwps4SkjjfTl_rfg74Q31yhHLP4m79UK09oiMt9WxqgnMnnyIklwp7v1CtJXD4CFxJvDkws4zs_zzdvG3M_95g37N92_NpYhcy_XwcvSu5FAZFaoFyG1Th6.bRCSL6ciRPRM20jf6fKOH.BmYp1Y4eV31QU7mYAUGVpGUdBBPTfU0_RDeHliK0HW_69kNPWrFuRkS3JchWxgXq8V5XKG97OT35ngOVPz.Kf.BffAwn_LOCsPGUd0uJFd8IPnqj0MnLnp5ydt0Pqflx2oGw1WQXlCLNhdAsPe_hERYZTPTGB4I4li2z.iFbiGX94UibfkxmLdqu0qZABPcXOXltZJrjpQSV5E24X7neGPPPqA0KKN8kfPrcEE63OxuGDTYMlYUaeJOeNcTt_J813aC8X2PzhewuYUU0FOo3EM5d_40tmeRZcDIp03uVwCRXkNf1QUengvzBcz_3t.dUOYNtoMKcBBLDxkYuUvNi.ri7hai2.vZyoeh4VQUuXmjyVhHggJiKy8FEGiZQfeo1oqyHHn3dRYJ_555TtuTwqehyLKmd6atoOgT9JefbeZlqUPkAI1Y.0RXTPUoCl1khtj5ViRT44GDY6aLrI46fx7Tizk3BD62l64v5bM3CivnsmpOnviM37T8BnekCFrZeHRomGaROMGywviyabnEYpjwpmAhI5dKQe87WidjmvkohuKQ32tKAXCtjb0.GDlI3kH0us1MzkoJoZT4CTMvbqjNKy4LNgWS105TTipQCezQPDQ4zPSlaaqkZPr9qElhvzVEgxqINsEBGjhlwNS6RXZ4_0wLcy9JAGHjm52HuuTvEUFaRS0vUh3g15XnbUoC1yiBcYPAJazjLliqudz8bHjDhSsWQq617urt2rkGYjWqHI06EdD78GpbDTIV7OEB8jS6npulNv6ruvnGu1h6UWMfuOfnv6QtzVWJPgB9wbeoj0NiQfn3b9EKvPzP6M5WDKa9BtFEwwXWTo6yV3WyW6NNyyM8R4h5tJ8WV8QAgLCiORchBoLkfUfJCdqgdAz1TfbViJche996E_csCMZl9ygn8skbLMsPkG_shSup8q52adfh4SPjoFjHK8HeB75Gt7slyx9CSem4DX8smVoDbNaJeRpx236fV7hIzyctCOizybrxU1k14c9xcEwgyRECkRKCUNggWoozFf1HOxIWezgnIiyBiYl_VIITCVGY9DAjS.X7CgmtBrp1ki4zPo7_2U5t8FzZ7ykuw9bsHg7asBQ70BVJ.lAdpF4ar8QG3NNWzDGdkx9._i8A8GjgsdUI4TWNltZIJC3CFndznJb2h.M37QGo7nU6fb4KqCLkv62TOltJlj2U6lIBf0PKDNJ5wx4jr7LgkHCaSUICyCKDVNA7XzXHOgLUclEBfiaaCfF8u8TH81DzFAm9XLM.UAwO.KbN3XuE0FpZWZFTGa7eri5SoNxDWZZSat.toUY2oPcEWQtf_X95QlnWblopZ6M6lWWTq1zydHqCWwgDbrBu_zG4fZKT.LQGMUIEg4BAZR8hwaWDHRyhNM",mdrd: "rD.YBLxvyHM1VpHczZcxtVxtZ8yDgsZRwrkwIn0S81U-1739107376-1.2.1.1-CwXfsbJ5zbFH2sTrjadRgVElHAGlmrh4E6hBcwOdOrndDu3QliZ12grTgRN_Tj9N5pfQvuljaSC1VzHCWkivajqcFyyL_aQ.wmF.7Z.HfpVMOOeU8Eu1ft5netMnYnfOFWGCAjtcyQp.86dbMPtur_4hhFTOR2lSxOchtSP1s98Lq3yo8FJYzFqEpQt34FXqKah4YydwGi5.5jlkbM.IBX_NTm.3dTzj7dhBkZFlvGXZu_sUURstMhORW8qR6_Esif.7fch6eloLC5wNE7cZNGPhuj9SfuTcmCztorl3FnPK.4LhFi72dGyZ1YU.gRsMXvKjf0Xnmi4Jo_54naif.dRAj5VlBc4fPr9wSmf94z0tpb_Oct7d5zqH86YFySwQOCRwQmIb0YzQnsHpgq4uKt4dPvtLE2gMIi2RMJ4XfJ8ux5P.fDUoBPD71pSmIMjooI_3SHmvANbjQ14_SI4WGUhJ05l4i9pUIrTUCWIuI1gLWYU1gO5kdgZuFfi9goDJFHacyrpL5Amw8T.F2nE4Wka2QsnJ3vR5HJpk7j9uhiH9eVEevXqk_qZ8E3D.rQHnEVPFyGsbsvsZI6JQ9hquFeu8_XWMmOZOq0oay7X4.HIihbpUZe1r789Pik3wfcxDJS04sfy3Xfrdiid6YkOBczGXZlLTMGnqWobjnPG1iMBCJCSOi1pGptMODP5.pDFKMe0jorufa4p8DkgNOUe3n44aXiv6RFrNaw5SKtpxr87DRlBSHdu5CX0NdFhA.pp1bNqg1FCSJDvyuYlOPOGSGY0rhxmxd.jCnGkKX7YoPaOUNUdjDKMeHUq87TQMwBzjlpOv8lLwNkRmOPFNngnO1DBl7FsmItK9r1eUiLcJiEDU2EfacRp5SM_RughktZwdQF3bZirSf_gkCnQwPbWHDfNcoWRQZMtqGd46Iz5RrJbftQ.F6G48p6.ITMeAibo1JACpT1P4mabPaEuKC0yQ.3vLz9RZhWVATT_iTnYy1u0nS4HqMUba_ScO4OlIFPfcfJEnRPwpsLSmUv3FxsCgksPAEN3u_KzXp.4zP4QBiZhT3eO9skoj5929K.bVUzmEN7BupXh1_oR7gdxGnIg2En3XbdP4cV.xh1SZg.Z_iovYuLK66_bNMrsO54_382eyRGXUhwfbWAVQkM3jM7lyOjZU5.0ICWFFVN5l9ahCakH3S0EkiJ5q0QEVFG4YDCOXunFNxSmV09u4nL4wslG2dOJpZcBCpbExN2UeCQ8fZcr53Q1gwJ6eHXfUh5GZmuo4hv3lhd9J114H_2Gip4pTviGBN8TJcxnsmogQgz.xv67hpdwmosRS3XjwOYjnV3nTeOXI8II4HGQOIq9lzUeZssacUk_ni79kzDzHO2LUJ3HT7fg5bSp6HYieVYI5P.IRFWmNXeGUwEqlbL6_Luc3Itt4r3B_bYWUQSfPWKPrhRbLuXLpsP_QoN4dVskz3x7RFZVFfxBama_hVslZj4VymbVXbpzc0n77zcUDAUsc3mTaM8y9vBYKinQcO63UlWAU0ET6ayENhgGrCVwbJLWILtJNc1o8ZBnVspU4naEPYQmyW.kWG6zAJGmVjZGHkYHqrrZbcuGmAg1NunlOQJeprxALjuso4QiRw5gKfKUofwXcS3ArP6DIUCqqaOqCU4quEQ17JXYZQ0yvn7c09Ax.2IvOxW.FmB6Kc0amo1dizzxHSXyxas8DpV.qs4nRhDTO2TlPo_kkKJ_zjMc.Uy04pP1co9e6igXr4K9zWC2rGc56MnHSdTN0o17rUSckYzsfTN71jGuTPthLZkQVpBvk3w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f42bcec9263b8a';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\/5489720163?__cf_chl_rt_tk=NedNcBegujIzhdIQf41C5qn3o62U2krseDy1JGfFMKA-1739107376-1.0.1.1-_DzsHu7DjLn4aE04REbcDasS476.Bz_cp3HVlaMWot0" + 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