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-761129014284.mit-edu.top/post/2017546398

  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-761129014284.mit-edu.top",cType: 'managed',cRay: '90f2db6e7fe82022',cH: '9J3fsVGSTRPSsXllnv43E6aVRiDo8J2Xo1q3MIaW07M-1739093598-1.2.1.1-GlyhzRXfLocbrKRFlhvOE.o_RvUWkjfbglDTvzELi.Yk67dw68cyTQEdJakCOQjO',cUPMDTk: "\/post\/2017546398?__cf_chl_tk=4o.YbxagkY8NmLpix7MOB2S59daKtGqQjzpsOOIvGf0-1739093598-1.0.1.1-y8ek6Zrn4IWHgzfk5vKSINvEeoXYqeFL4Fhdf4_jQlc",cFPWv: 'g',cITimeS: '1739093598',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2017546398?__cf_chl_f_tk=4o.YbxagkY8NmLpix7MOB2S59daKtGqQjzpsOOIvGf0-1739093598-1.0.1.1-y8ek6Zrn4IWHgzfk5vKSINvEeoXYqeFL4Fhdf4_jQlc",md: "se0St2FiabLn7wvaOgyiQKM7dZ4iJk6GW7nWbTeJDYE-1739093598-1.2.1.1-tZ4Ech8Ctr1UBrXnZqyKFVLVE6L4Gg9rhJQkmhrZHAVth3br05lUwSIq9Jz2zQ_sCryA6TMzEbXsoNp4nW_eN3CQBALxwAEKZOmDCoYI8OAxQOsiFx.aaeoCiqrYruiJ0wjk6b18rknOZhXoCHhtRkY0j2z9jXdc.lfXoMT4DbRDsLc39JU1JUAuP1zZ8ff6FjWD.vYvONHN.Exxsrl7mj5AbFt71sihe6Szg4jb1HAlh2x1sx0Atn2bQrTwdqll6ODMy_MoK4u8GoxfBSeZmpOYVbjnjqu6KFjH61nxCfDJ7f.K6sumgO9dJhiksJsMF8e_L_OG2mw0DN2LgQqUwY0xu6afY60ZRfOtnfWmcERjtP_jXlUEBrpp6T9fOmnEyJwiSMZRgVUp5C1Z6gffaZSRzPvKwl_Gf35N0mGzIMSXvf7zNsQ7ca8F0BtZuwWrsnKPY5EKnCUKvUQjnlIr6WGeUBGrx5Qye6qyPzwT_Oi8q5e3hYjDDnsBG7GamaGZHCU2aHC4xdmFMrshOG3NO0IVe_c3U9VW_GtezhuuzqFKHrRMjLjjXOvUcWltiIUjhh6rS70cfznsQSs84BUVMmz6yaa4x4X6bRQmHYlNhZWkUXZjlp6SHdhm4M6oJ4ERzlBLm_Wo8v7JJupVT0tIrztFLzoYdetrj9vU8r7yhNuvprrJ0jkgGEblOLnfha8q_DukrD9zSrCxAbWe7TW9JeUYqNvD3b1I4186ZQu9fVcSb675E.NcEn.2dYoDRpUIYz0MNUfUAc9GdzDCNAFNARRF8fkiclRIilfk0uYbiIN_J5dVMaU8YDFOmHcJawjZViiDWGqvSNjQXGH4vCs8R7FHopJJ9xV6lCNiVMjvAADLdvm.VTC9n5KoA_4U2rABGMuUeYtXueHau1IslI1j_rkFYbk98tZG52RWg9NkGWYTBkrulBy1oQkn82zsRSCkaOfZEyaFWEIpNOl3FdhSAtZ3f6aDpVqFj2a4jPsxFvTVCRi4g1_xSSySa7e.vQIxcBY17NloGKetJkD4vts4zcwwH4MFKu9vwhcJLAMAINrLbf5qPqhJPQsuhMuuEgzMN7.o1i2VK43wXUewqxWq0gg7F8X0t2_A4CVBcUcMjQxUVwm0P3Str9cU.wBIRWqn6Z0_.TaiQ7M6VuOjosqd7OJ6iqlD8f5LHPthEGFKjCmEk2uFkegBvBLUlnXuXPjksTsT8Oc4on2z3og_5Vcrt_x7r6dlHAIH9Xj1UYmrgajZVfb.dFT4WHaq9cGDnJ0Ow2G8jJDBFRL0kI01nheTuvMMyoSe0TFKysTxiShtBoZ1iSfEa3m_OVIS8NewOEF7uPy3DefyTiz13dm6LBowncA4S783w5RJ88Gb7FmPEJSz3tq9DEreGwJTqY53JSwyC6XPIqE10UYTkHcE1UEGCrWvcJn_Bghcl5eVef8Y.uHZE5r00lC.dslLQ0zi4zvKiVF4PaqnF5zxzXSFRxu5iWM0LDgq_Qa0hxLQzFzxuO3qWyaLFcWLszAemBDn5KeX.b3Jkc1k5eL8dROuGP9ASuSaRZMP06u4AU.FhmcdVBSVlituQNvRN2mldW2PA42gGa8tSX3iEd118pVb7PL7CNMOIc34Jtf5QDSiZjBpGTIIQcThF1Tc6ViwbTyKM7VdlZqyvQmfpWqLIi53QxfeilW04YplLT9jNaaa8zELPsADN31FqK3NnYkV4yOSIkINBncbMNa4JLBo8rnoQQyPRjx7z2dX_APTOH3RJvjZ3uBb5BmEtp7bnZrd4Ix4scTBt6U5RNabmuXrqFN9upl37dx5fpwY1dcKNW9zMzMSvUbZ..vG1UDKhaFQa2Q9tC3xPRuJXqaAtTH9pxoiwwcKUmcMTYmFOX.1BlAXObGw3NlEsVITaucvYznmlmfNF4IQVgHUS6hZXEqD394I_gmnxrmV9dTSu72WvrqE11fnu5A8NtcZL5D4WmVMaPekDaeCLQFpVLhRXalU01LDfO9oAk.Yhqx4O3ss9ieoeZE7NTsmnOp8rilqYyrTwVDd14ZBxxuzkH7zl4PVosPWgIWEIigWtNW8GgUDDoTlGvAcYaPrV8VB0Lpqna5O23CkhdcDeNR6YNBXtSIdyIFSM2nbClKk7ugYzVCUpknnaK8r3xsDdYi_zvyAYd_8_gLplJnA.DV3SE1pr5VJPFaMsjn6NoWdsFtO4Hd8VYP3T2hL_krwV6iCWA6RWDwXqY5qp.mt",mdrd: "w2NHynkn_0s3w9vIodQw.yBqw4eTWSzW7t1A416n8so-1739093598-1.2.1.1-UpXFqisREK5evPUnfACIcMHovx0SZ2c7mw9wZtj.RLnuScWn_d6M5zQMCFujBC5Ql7IIr1rtBSihUaCEEnVlY.44xyu3s9624XZNjoR4luV6WdVzcghSTtP8uc7bDxnzpPdoXKh5siJEmojYnt.B5uq07HlzFCiqX.iq87Sa.DjTvwpoEvbLEx289cSfPZvY9Z13b30GZjsLB37wEmC8cXtAYedPgiZd2kOncbN7kaI39cPfX.yedfyKJCUqfz0fR63lE830fOxqkjLcZyVaQUb1FMccjerwGpM5Zdulc7XkIRT43IImKkaiSGPPCuQ2PXZ3.Y49dEPSxVDI.yIqpCHsx64OOp8odFMwiKdZpbLUuFsrZ2XnYM7F1zBwvnFoMbHjLqW0XnJKvNdHRKvSR0bB2s2K6NVEJGb1Q8S02IH9FhIrHGiGobOgrM0Dr9UbjAtz9lAVKttR.HnVOY8_6XdWpw3KOKqYta88fDSJkYjfBeQ.Kq2xgiTy0gEGo8ybsaK4uwPTq86wGHsHAH4DsIODp6qiAFLNucgEK..V6omAXvx8DQmYGueV1hsCU6WA7MJSWz90sXeUFq7hXL8cxh0ixIMR0o22IdrqT.Qp5XtpQIAjVuYvEYirqiio37co9IwyAjBjF25Hj0yWXZBmgQrxSF0hiQtLFtQZjw1DD2EDry9Rp3UMG4DZfDwN.CYZ.yfdBc3mDuF5RnnMa5Q9qVR8sl48URO9DV49WVfIy2v.RJJLPCCYmRj8XM50qaEZPLyCzSeHoinfv71SK98v2xKchssjIRRPOZh370rgGvRb.xvDgf0l_b4tDBJnGV4haD9f2RkTIHUeCBLgThbgXxfJzWndjqNUYY6R0n37Gpgc96RwQScQRmjqk_Y842ae6YjT30lMafZcbzlbrTo9WJGe8I7TIgRA06p5w2jnSI5cSF90LQvOypmjXuyptnmzOF27eBWWMcrmPIbpw5EU7n5jlHMn9a8v2_XDAKpQaoNUvdjet4R4BUQbBr6q.PeLjxRd3asrnECxFgpJ1w3SiUaMOsGC0fOLQFLLIa0msgg0EyAKCVst4XMnR4nOuADcAh8S8_LKJy6TM2bnvNZsIwefcQ_63snJr3ET.Gk0Fv9tUjX_7BsCK93fqs.RA8.G8dYxWOHphCac7jJf.p3tVrQItKG9hOiDLxpICne.zjECH1y_HTTIHMA2ZhvcXJJB6oxcVwha44vEa2dPvbiSi9cXsUywaVdPeWQ9OnhxHpZQF4fM2Iqz9Daaj_N4na87yRLdGcjn4vWgGne2ix4zF3.LBs9vyn6BnA95oyauObk_QHwDdcvq.49JR5YQ7Hf_K7U00v6XUCz8SkIzRr6hpxzovD7LAnvRELtpoFolrSKmyNJJdgKsZcBHaFeIU2ggZQnbIt1DhP0qV4EyRR18eO2LXja9JMjufWTfryqTSEc1oHETFfR.yxgQADMpo9A2kHekNmUfeFrziKIASL0BEOOpiwN2wNHfMs93cXgTsAnxLywC1RrJ1NGcl2RkqTk2YWcam2zs7HaXA0HVxNvKH0vqhjD3ppP1WprmUn04KCiPXwxR5rRL73FNHS_VWvoJeBstBR3FdguHBeBgmFAXymJq6iA0Tu0XACfXLN5tj04U_dg1IPky2sltOZatL9qKIObsyM4yOLW3Sh4BAUUrHlD1w7IG2EfyAo9FJbQLqG2KgMsk2v0mZ8HR6AYJ6RN2vT970CRbqCfucUAcd9lKAbYUnQtRG4lQDs.HLIzPkDrq9rXwCADG37iEnllJATZFfGWd.Kkzje2o9wfoWc5FPf_eJn2beHDMy1PjvlyH1TM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2db6e7fe82022';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\/2017546398?__cf_chl_rt_tk=4o.YbxagkY8NmLpix7MOB2S59daKtGqQjzpsOOIvGf0-1739093598-1.0.1.1-y8ek6Zrn4IWHgzfk5vKSINvEeoXYqeFL4Fhdf4_jQlc" + 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