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-affwt17xq.mit-edu.top/post/8426597013

  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-affwt17xq.mit-edu.top",cType: 'managed',cRay: '9110c5a2ddc6e5f0',cH: 'UMoqvtHPsuVdUaNkB2LiC8R3vqjSkE8kYmY5Jto2EQc-1739407278-1.2.1.1-p3fF.pAGIHEW8pyDGdzwQc3sZEa_vOGWGf0FhDWK3oLAdX1CA2iFnnopc5kUciDV',cUPMDTk: "\/post\/8426597013?__cf_chl_tk=2s0Lm9_EpNiDjSInOIS8kI_Zr0mySZil3aJLyOK3sI0-1739407278-1.0.1.1-uRkOx4W_Y2MjBGkY8p6Sm0AL5P6vMn1rccTjgG6SicQ",cFPWv: 'b',cITimeS: '1739407278',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8426597013?__cf_chl_f_tk=2s0Lm9_EpNiDjSInOIS8kI_Zr0mySZil3aJLyOK3sI0-1739407278-1.0.1.1-uRkOx4W_Y2MjBGkY8p6Sm0AL5P6vMn1rccTjgG6SicQ",md: "xTjEbWS0kcMrHhkswB88EFy4wXY2YNxQIRn.5eYwXcM-1739407278-1.2.1.1-LMYxsrwcL9jRsHSzg8Zo7nrYKnjNuueUgr92pOD0iLlJmVMGuw.d2RNdbSe9ESlZerKRHasCaMV4pFGXHERZVhUE_K2rkL_n8BtW.FsLbEzqsHHqkFu0f76LJxzhyM5_4n31FEDvLAPb82UreM4nwOXRZogSUMwGCxCLScAXodK.meP.GNK.P.0Lqa.wE9Wp6Pw1cpFb9VREsjIsrkTmipvqnPrVH4OxVaPB13TyF23DebWh5LuCqqUgSuX_3FAbrLoG7ioyx6D0o09g4RQp0YKSh_sx6YX9R0q.l47ZLkLxis5soSN0Gm3R.JfZ.3XxdDb87oe7GEXczIUCdxzEuEqIP9OC4W18d_DXSSf9veAyzCuQ31mhUg11v4Rik5DyO6od1tpCl0xOPa9oVTN6ZMdiKEqyBPPURGkA1vfhTiKf0NXMeD9LLsTu5JjryobDMyQQ1H2UMsw1GiWlJpkyUzePI9zOUg0oVaNJu1FPS5fP8zN8VTX0xKg9IpT2JOp6eGI_f_dD6dIoF1dXode7dbSfG6cfP5KY4mB99lpSh4EvKol0Kj.A5y6tVJNKR8KcCM8fr4PE5mqaz0IpDbuDdOJJvFQx69mXpdORlWwif2h53chkb3.RYmcnSTK5_I.b8DsW4s.n1PXNSeR09XYWYapANRMaHeEztKinn1sk_aANdoiTMzPMUFOu0D2wW4rxNPWS5UEyXe7_EoP1QojtaAQ7E_r5QvTEBR7hi7tAmvY24aqvz3sUwcXGRTh.Y.P5GuNhre2AZI74F1_.AJrCzq01z2eDVuX0gzoOva71JpvGXOrS8WQvT8.R5VuYv2CCYSO3rDAep5N_KX3IkCSrwmmEHJSK4LLYqty86fbh4Bd5FH5Vb0P_nSbQl2.0yFuhFEaIf.7ucdnY6Vzi9YXq_1X612llTI8b0BuvTGj1qLcD85aMzndI9rwQ9uiWo.fK4NyoaeMYUuW1.vgpOrO3moaNuHIS5i.F2.WcZk2wZMJhlmZDUZ5iNgNcvmVk_fz3s3g_1be5Q3BwCE.uYX0FZeMAzKU0okvXX3EfNtEcKdf1eogxKLlfBX3V8UxfHSNHARK78nsuGDTVT3fxh_K3x_x9s8Drn5IZgIdCOz3ZJCSt8DddzkdAvGq2GZZaMTl.C9nWesvG2jADn3cIKNf0TVAQ0LNkqb4sdB29zva8HAhBuDfVh_5uBoa6w2S4HkfetuvhIjscMcPbnZDxAbcbXakyUXBrwSZtvmBNfMKaLjSGKokOq.ag7b9NrTl4dK4H3MSYnDTfl6V4EcGQSSCS39C76O5u0QS3yvtnBwxRxlAJNoHaltuz89swdgtq74RVwu3bkltx5Cfg7mwjFmSnp_dh8PgkHLH9cpiC8iV4R6o13_0.cL4s90pxbIYZK.O.DhW0.1ZLWVnUaOrss03w28_ZnICTNn1yYg_Ytbmk0y6U1H4bdEijq2yay3xhuK1B5cujXHQDoRsEPAigWB084B.gASjIG2d58KxrGIE1YINgHkmvUER9AvnV0OcFabInwA291D6ZktmKQEEOPKBNLNj6Nysl_kJ1H9cpz9qcXYeoB3XH9PteZVxds5passRuLCdVlUatfFT6bqoWxnOgAzLmg_Nd8zM2V0IJRfUbVqDOnTk0Z2e4VpXosWiaLqyjXV.lQNf4i7E_yTGtxrPE9WCoHrI3B1SWDBTg1ZL1nGm3RAVsmEVoWTwG3f620GaliDQ8AprYYp7f_MlrpM9oH25Epkv.dKmjudu1FA7e4KHOwDpe5lzykG34_dQDu_5Ugxfwp9Pl3fOUWB0vrCmmuCnRKXVuWikQwVe7BicVtACX0hhvqtflzgr0WJlwoer594.nd8ZFTjYlXFkdRa9HI30k7X2ObDik9WplOzx0Jr7FCdMqeyqG.TKsijzDJoUbD6FYr_uNobf5W47W1neWMxyASpt5gvIpB7OtDg6XkxX1Ru2d3FGOF4NQ3zQzCpjLC09SsBNYjxxfB7wPriB2twyCXKIlMSPeeZSiXm3ofdley1jepj67Ln8JER3WtN3vg8bIsLyP._n6K.oYdSPMcM7wWkplsnXjxB8x5emUw990rkYvjAaIXB0I6JrSr_UpeRZ_myQgccyeF0N6ERYyHYLlqFO4wIMj8otmKpgNKafQyGP_X8ORyVGeb5v1LtVUCcZ1CLZYzI_FDv3HgGwg511Syqynp.wWw6rmc4w86hzNaF85VaMGl4XOg3UsIWMR",mdrd: "QIkW9cqIU.TV3sgCVBcIzBZh0hO7F.3vemQu76olarI-1739407278-1.2.1.1-8N1THMVOxleI4ZreqgExWtW00RTrS8miNGaN1lEe9vGkatFEI0C4SMP1gM8o54hu0Sz65dzeeobqTkHjW59FzLq1JtU0D_iYaxEwrh3rFvS5DGYl8x17Uj6Y1GbzVQ24b0kSX4rqaRdGPuRJYoMZsrXjN9BrhptCqXX.131wJB6KPG5e5UQ.Dxs__JpLFiccgA2oH5naptPFAmvfErYcpzOiAQZz1rEjGc1j4OpWfTbUQpV4lqfa3FKLWazo51PaAeJBsFFOveyfgKfF_tBabKqp46eJA1uxHBXoJK9T9fKDgEnc23rdBTWVIaXFaCwPUBs4GmI.pYX20IMKWQH3XyHoIZze3w9jc08_iB2.LhlXuuMnFFQFE8U3AK6ono2QlajtgZpp0zk.iNb3Z1rFhLBoYwP.x.jWt6vaKeYHyoVkigTkzwHdUz85joPvOIqJCDHTeN43TspAJuaYfLE9TyE2Og9qVU4MjBkRYjp3kg6rNXnchSphTcRuMBgtmTW15CH5ZWR.AT0_6kAR9NPiHzG9LAAJlCUoXaplzPXA5Du_JveHf3z3dXj_dcFb2BWAXwj0.ouUTYNrhnJ1c8Rx7Wpfmewqf0OtggVaLxokmjtOAooSFYR8Nj_xbRpwS.pvnFdyUnCWUda9xNAKPwte5VW3G_E83jLQPl6.4hQa8VZaSmfMAQuF7t.1XSruoX_O76qqwzetRIEkTYE2mPKfLdC4jpwOlBGpDCXB8NH1uClVYu8krCRZd8cCV0wYRdCmF3LeRQi.IqsiDJyIbvGTw9qS3ZLZjMiMBh1O7qJC4lCbTVoQHaJHPo7Lr4LO3_HQB.DGsTDVp4SA4m016QOmTtueT3XoG2MXDX.lnk840acrWG_u2CiMeFrIIjbAewRdtyjZttLsmhCXD54_D62pBzC5RCAIHShzMWeIZuGDRRmNiXDal79tCcZ9Mu4K2RRCRbAHPNASNAMjoMJWt7wwHlwNq6pOd0yzXUQZN83booT8vZ3h8C44rdOFVtpVkMNqndmNMnfiAwoJm6crMjoCf8vsnv94bMvFIDhvNebRgSJKXNsGPYe3JJL92mvnm81s3AFVON3SLJQujKzKvXxkUx9WwB9B4LfGBKODb7GolOEbWYzsFtxg1Zu0z6LAdX6fwU.6O3F1J9Xwxt3J5VEN1su1D_NjIOalyzM2M83Ap5aUk_Qcet_xJ5aVGPzgrW.TY192wpwFdGO3CQBJi0ozlRbVsLQvPgASTT7pDERclSpP8zc6GiyPC1N3Ofa9LF6UEiBVYAlLdUVdGqTIQqH5a2kW21JwvldxXeeAc.SYyfCYIFUq2dWyN6pCC.Q7kjDm24M3gMdnCjyOm_mYr90fZZtqu45awSiNkfbity2qiLhwhajSxCVyn3EGi4Mhp8ouHj7TODnKjn_XKlyjE9Kl5ry3DtyWpFE8pG6VtrfmIi7f2Hh1nrqMDGWQIY_JQwlhBqAs9M0EZ7P9cds8gGZrgm77Ie0FZAxGVGBFCgfk3DfFPcunvV1Hxk_imMrLolU0gJebPTWAjghChqWHO7_oT1HfPHdhj6Kej9mOdKlpLZrh8pv4SMOeWiDuSg2mz_4RFFhg0XJrGE.WN_EtoSbvdC1DxrbttAZz9ZQXzs4e8vFCbtwUyy_80YoqxEHHrc5WgzksmYx0upUO6S7CcItj0gG6u6jqNckDH4nI7hKGeeBMIYxmb5In2LEVjYcEl3BMC.LbBou77gL0P4Yhjt68ZDzDBcbX6lSFvR1i2kkM3MIVMlEH9L6SR2MRB8tfR21ZFLT9wE_iKqphnhR7.V6SZRfwXXcwHGNlBXWSxB_BCg4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c5a2ddc6e5f0';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\/8426597013?__cf_chl_rt_tk=2s0Lm9_EpNiDjSInOIS8kI_Zr0mySZil3aJLyOK3sI0-1739407278-1.0.1.1-uRkOx4W_Y2MjBGkY8p6Sm0AL5P6vMn1rccTjgG6SicQ" + 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