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-aff1qwhte.mit-edu.top/post/9517428630

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-aff1qwhte.mit-edu.top",cType: 'managed',cRay: '90f36dc46d4920b7',cH: 'WC1u1WbD.xb4Cx_b6qAKHx_HKo87ZxtyCsDGWKRKIdk-1739099592-1.2.1.1-M0ZmomHbup9rcNlEVNTV1Qn2A98WK7MMFS4FwhjvUN51ekgvivM9EwqBoOM3LZ.V',cUPMDTk: "\/post\/9517428630?__cf_chl_tk=luu4FBI9O1BcTpDFhH87of3RO4g.YmpuRcS6KGT878g-1739099592-1.0.1.1-2iwJ2wWp88cewTNpUKH8e3gxgCS.jCSDnmOEalJ6Egw",cFPWv: 'g',cITimeS: '1739099592',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9517428630?__cf_chl_f_tk=luu4FBI9O1BcTpDFhH87of3RO4g.YmpuRcS6KGT878g-1739099592-1.0.1.1-2iwJ2wWp88cewTNpUKH8e3gxgCS.jCSDnmOEalJ6Egw",md: "i9FMT9Lr1KvysgBJKktlds2z8GssvBnEsHTTAETtHko-1739099592-1.2.1.1-RZNZYZbh6rtzJoBIIUINpHHZ3vOH8vMpQFWPgCD7hnEgoRRDZSZRwepgjqeOHbzCzIRSHvhKRf2lEY5Wne8jOstnI0aawHUD9uywI9elA08I9VBJ.8hsL0GN5md3uXhrJwkwq6B.uOpzWMk_5ifX5rGAKQheJraoh0MQLK2OIvIWRJ8XTtcD2XmXnDD9VW9JpwpN22G8MRX_zJ_qklJywBVFqmRbNxhXq33EDBXAgwm7P8tDI4GIPe6_DKuBwbdatk_Mo9l8lu7weDWEI5yk5uWDC2LOeSwNjGgUZfrM5IldcyrcGL9Qk13fSHNodWz027RJb.fyBuJ_q2eTbjViPvg5zCogMgr4GjHx52u0iEMTswyZ_FWfW.TzSJaSUv2lBxsAv.yDurd4CgaoRnLJkJVB4.U0kOwWenfC6jrCLbUkdNMrVgIyrrr2zT_k8wWne1yBSEM3NXzejobry59rVesvp9jUlRz6Ec8XKvpY28S5DnFYz64xtvWQDpzQh8228cooafcDaEXXEGeVRHLOfpS5wVIQbaA869v6fyOVOBB9HFMCG9eBqBHBbLBCzVd_Js3VNGsb89nD_gfQeoEo63z8pamSW7ylz6ssL9jT87V8K2auRBagOUg1Fvu894AiTthnL0f_Tf1EBhA_Z9SByPhSIJVo1O_HqjFVOXLPEPpCYAHAdcWaFetQfPN_nPOx7xP7mDjAZZJMqnaRV5nkXdwDY9Y35SWURaRWPCzAJEPvCcLDIEKC1A5kC9JYswt0TNiImR7xf8AAw_j.jk_64rdZhsA3ip_1yW6A6jcGzSjyYwZv4inaFBCLbuk8YDcaeeKKGz0DVE9Ir8LJQK_unIBq_QPQAcP0_xygWID_xZHhbPyW9.8P1OKUnpYfwvG3UIX64IsSqy5un7sLwWgu5tJvu_or5TTOjB2fVE4oytjPwKX.DCVJ005qLRb27YGI7aMdRuMytRBFZO5gi7acWIkOrcAfMZeErod7kPHlu2jOcCrqbAVgb_5izGP1u0X7dZFn6AzQj9nuQGvpT8ReMIshUnALEM4Ayvh59cmaxWfi16Bx7gf_QYub4gYKOgJqn8ZPpp9hHNc1co3tmccWz3ug5UpnqE3NmoSV72_FU8CNJTW9bAvofYP2L4vM6iyG5ZvcyJWWk2wIBCEJSVBqg4xfW_cfFu.4whcokhl6XrDo1rQpV7.zdAdnio8P2Mbnn9wLZbGcBAi.x7oVFOH1nPSW6Y4_g6rGRyz4jsqaxqjtnrEJse_A8y0T.MyuF7YUHqhMNTt5mMAY8Ic6lf2U33CG3EoA98zy2J7xAlvzfMGpsM28NBGDJ202cwKpPIEKiFHUWku4KFtmn22M.GhSb9Z_1pcX20ybeVQlD8lSjtFnuFsjqPI511R1xZ8iXheMuMj5YviPSGJ4jU54jWdIxPJYph8nP2m438GhFrGPH.4m3tW2z0_MkTsiTHSA1fys4Zxl.YEI3lp1HzPE994.heJLhJbXon2dICNoYjMeoHJ8H8fQAjVn.HXNPd2LVEs74cQDTKLi3rofQT5ufnjhNb3TT5Ptc1IjGiynUbRKpqt9s7l08oGj1MTeW2iBmsJvAMqJ3.g1dBPeHLI4C2uL9BPh5flkNa65L81eDF.fL2he6LmKY11YNkwYeX4nGE67nVmer0ijEshAQmnTYqt1APyIieIOgVkITIrXMi8d9349yh1mZHX5ZyAgq51VObocCe7vXC7foUoDWrNoCQNdcesOcON5WhdqKIFYCo_AzmN6vOsJYabAY8ifE611kzWj2XP19mh7iaX2ru0LZuucIPrXhI5MdDWGprb_plCh4mPbxBwMUd1UINrb54VOZlzgBNSjfBj1ubnqsXFgg77LyC70UkhqZNob50Q8quzKUQszv8spWLBdN_r2MHOYy6MT9f.kpYhQqN5NL.9BBnp1o1QUX0NjiX7to_fUQw9Lzxj5txBLbFLnpc26anvHefPN6nxZ0zxJxRDXeQQUG7L0Cm__v03zzrkrwYuZ7_XgjPBrHwZtPWchR9_qWgItaXUmufMh8LoZDMYdddm8l477UjbzMUy1zSMKNpg9SOJn8V.7U3q86IyCmqO5j_CG_nvQ3EhrliDedECzmU.0TyKdYqiFwRdFOOI_bvp7597sEVkl5xZuMlb6ORigQLNzSTVQZi7eNcQqb2xIC7eleZmxMlUxGK6jSkG.3HLLmEU6vCEkMYJSKglqfHhw0L.ckvtl",mdrd: "SuIaPQm33mYSq9bCjbCPBFKcGpR6U1h1aR4caP.R94Q-1739099592-1.2.1.1-TSlfwrl8Y9_sE.CH5Joozw6r4y9J0LxDtyPKBzKGflGywNSJ3VP.Cq.t_WeiERvE3bwtHSS4658.4dhStmvY011CejvmDfRHFf5P6zFqS5rwqpKJO47cEjJrWPIP9rk6PjGMn0CzT7CSfpeT2_4c_2HlEhy7gF1enSTNLhxAE4zOoSmYAhNxaldj.guHxvEl.13.sc_RSKZCs_xdg847nrrfPTQQcg5YsvAO8UfllLog.d5kOzuHd7hhjmTmjji_T4V8FjJpo7cvvbLbh.I09PRWwG_l0HV5Sa.ZxhQv0qkVZGug25PYroMNBgQweXS2fEndFk_oQMT8Qs1TS9AzdEjClq_fXa.twEEpTAtWsVnjiBS_9FfD_6H76sE.jKKO12AkGzPq5xlnb.bNab8lkqXk3DqzTK2kIXER0Nwx9TVcQvMD0.gKuI_nxkh3cnZZcpNyg9fLIK3VNcJqP.pJWOQN1nTD0oiBu_YbzsuGJGeEsdZuBySDYs9c8RRV9K04iC827GcVjCU356mzGJexF3LUbUHc1IBqDhSXJJEQT55p91F8.JkSZ8.9lpPfE1X_23mXc7gUdojCK_hRExzuUOAM_wkCuMnSTsTGrsOK1gjPpDBJyAUCfK23D3lvx4zJhEXIihqhgCTZjOhAAeinE_ZU3iIM01FXQkCWD1Y7VQ.uesBspqAjp0Zg7Uox2Xi8Mmuup.nIbJGdFe0F_QKqQDn3OmIfVIDRTQHvLYldLHnScpT1VkkXs4rqHCprfRIaG8CE.tcdNcxh5cOn_ki9D_qKOFtTZRh7.BHhs66UqBLACrDgUJG3hrWBPYVpQLOgP8Dwmd3LSwmb3XXRveGxJnX.vyRKqmaAiyN5VPxWzBOjLTXVvG8lpU3D.S4tDGl4GZqG4cDAZnpCHdxyH7lwTGRAMmPPnT_LfREF4yRLZ4YvO.js4Zyzv3T7CaKHeXhUubr5znyewk74GskEen3ZOc24tAiU.bxwVDIlgDYA2hjmh3yiJNlJNllOuRhRztQ92KBS0b_v5tas5R62rnG2EbufVSzceZUqc9dWYjMQWx1NkmUj3l5u5c66fMGgU9sHpSoGVyCw3YQGJeI_XaYmL2KwhwOnVaX5vMZKOFA_CmEg.myofk3qtYPAudWwUOZMcme7pGLaIwOzgtB6ns534WHUU6gKKJzgheF9wHnUB8VmyPWEcOY4THR2scaPlNW4_Nf0T.IxopGt7s7udcAOD4cX7a1LXXt7q.C8vYKCPpV7_SBLVy8I2wGGWQYaJthqHg9xkQX3gmpJzVRCfAr_yjncgGqiHMaV4c7vEjv3h5YDgGirvmlCWtTVoWVB4XcAucdABl9HNLoRNhJg6S.lPn4TEnxQUV3_2eDdk5CzVsxe_yqDA8QIWtOnQI6uJLJCvuEaQDxO4Pt.Pi4COe5SvnhuKZI_Sr.vinX4BInOwol1Pzuz36XCQ1wz2gE3ymdGPY.L7ELXg.O7nX95ZTlJ1V2biqUEieNxUa24WDG7IoUAJPkmCa1uIUqefNHujvJVF82Z7wRUQs7Jfq8lL2go90fZ3y1leZ4gfC08Z8ja80FidC0Bn8ShDlIdWuW_.MV.uyIXJNoa_F3dY4cV2N8GCqptA8XC7d.XxGNFrO3onibp4avT2xSKgSfSt2uiaUtkfsAd2VkiZrh1Y7pSdy3SI7Hn6DKsbYqN6cXWxYHeq6U0UBlRfRlylkvKfHzGLNQVirGpUEIP33H.ZNegsEUz34fBhD6HJFQXsafizZnVm2w_KMpRaPSRe3eyZp5AGODPevj_oNVu4MogMWv_29sIA_RJu8PhxUYoHeb0uZooLuM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36dc46d4920b7';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\/9517428630?__cf_chl_rt_tk=luu4FBI9O1BcTpDFhH87of3RO4g.YmpuRcS6KGT878g-1739099592-1.0.1.1-2iwJ2wWp88cewTNpUKH8e3gxgCS.jCSDnmOEalJ6Egw" + 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