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-168571484819.mit-edu.top/post/0438291756

  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-168571484819.mit-edu.top",cType: 'managed',cRay: '9110591fefa15998',cH: 'YODm60vLQ_8Ub2LwyjGAAT95Rr0bgTHIz9Baupd0XuI-1739402833-1.2.1.1-iDvJObB7OqClWL_kJPtnuk7ICyLVb9Xg4DmVrJ8qXQeQTkJyfHhmWZ_aLoKXeRhn',cUPMDTk: "\/post\/0438291756?__cf_chl_tk=pyFJ7OnYnNOY9QT_z5GhW8_.hMCeBDT97UCwX1fcPUo-1739402833-1.0.1.1-0chhCOkvqttPvg.zgD3W3Tj0BCaUm.Cq6XOXd9H4HUk",cFPWv: 'b',cITimeS: '1739402833',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0438291756?__cf_chl_f_tk=pyFJ7OnYnNOY9QT_z5GhW8_.hMCeBDT97UCwX1fcPUo-1739402833-1.0.1.1-0chhCOkvqttPvg.zgD3W3Tj0BCaUm.Cq6XOXd9H4HUk",md: "yCuB_Bwj5uaIs4a2.I7G6IxYOeg87Tj69EeegrOR5ak-1739402833-1.2.1.1-DTmYgXnLSi5jhqxr7u8SX3icLRIH69zfx.vaCcsu3pmJX6uHL8qw1BDlRz727ZobUO5.TWo1CZuG_Ky._yLLKOcXmMDN8wFAPGNHp8kjhvFboUcSzyzHeGvRioJf_wIbRJlboGRTTe3RJvVeVTs96S1OZKW_nY1d9YmBt7oQeswe_AR04wf0NHUnEM_mP5KIDqou6rmcXhJWvv1u6dq6oKtGoqcYpzq.LqofwXpyJhDb17ppBfn0ObYwZ9CsFtkhfPA20JwxwZt8ooGXTr9SHWn68MQy2eAwTzgLlMzx_zhwIK2lGz228.npcIJ4yy5IZD81c_MMZBYZcz0dNZIkSABRNLbwDI9f5ecGuOQ2hEEprmneCQ5ydBV5z0gIUg5ozum33RKdVjsFvMakxQFVUrMbyyWDcVHyWvaghrehUnMkQgmKuK3qo9nLENZM4W.8bAKxkgh_FrhLlwrCdcvXAAZh1XZM6Rri90iowcPBM.JzvMLVULq4XQNZ93HZPFsxN5DZ6VDOS3zPKeGs1q_DFJsaeaFNUObCG2OIOnXhN1bayeUBLLEKZ0Dpnn6eaYIs6vnE33YW9UNUPLeFjChmuHj.JafH_Kzos2HEAPL7yUlG2I0bJWG6JhghAFgEh1rG8ak.rTZ44I.mZdILChWcupanlHyBAlMbof5xYlsQRTMPsixIPR0_rKXeGWxT.qaFSuP.5HQ6QhOCSRoqx5.Xxq4GK6lZ0JuPeX8bIQobUeqm.toqaPc2NlZJof8e10vpsGSPOZhtYTNbM_h51KXxT1_dVeX6D6ZcyxCXw2QkZer1wLefLZbsjBrNv3Zbv5Vtu0Pyw77G7sQyQQwCwJ_NcE9SeOp5B597trj3OyxkqIU7MFw2RrC2SF33NkLKK.2mwTsQfbPHVvYwSQrSzymXOj1NGD5k.ozlc80oVAbaIf5myOEpB_sBKgcUr7TBo72pGXamuEBtBiTuOBMxyS5Ujpx8LuQ4AQlEzShxJPA3nMpSbk_sHSVVm_BN4IuIERn9DXjRF4KYOxob0Hsge9qMn18_NeDBQrkY5l_AjrUyVX60S1LW_Qjpc2s4WQIeRM4Wg8Vrq0N0Qm023bmdXrVb7J0vQoAEhcUSoVedtiN1WwDG9lLvjdJAjF6IkYcxcQVpgKwgOq5bUiMl4yglAvzdPJhYUeR_Jcd1x85QWaW_rLz8hAOFuj2R9koy0Gl6.EvosvHhi5xGvTsugKjL2rcTBduChtFYZ.7zTL8WT3zf4iYssj6Hudn7XD1Gp74nkTFK_hgUovjVUOchIVbEGFglDxVbaqboosuUwpVuhlZbBQYWrmzvhgIcDlCG.imzayvBvrxaW1Oa9e8a6hOOXMf5jPKtmJN8Qv8BUZtGkffUZZy5Pc1jiZFJ2n6Fth3pqXl31RMa2PPHiChKGICKg8EB0pkBbZSsZonhrOOe7EaQrosskVmY3qyF9W13JnLTX5jlN8TY6xXF5j2F2VLryB.Vp.7FaM5yq4NNAPvYsUabuKo1n4nAQFdU4gw0xVoRn4iJ7iqDTf1Q_of4H8BCVwHDvuyiJwiJf31CYVI5lfWRV.Bk7SVcz9Z0LFV7QZfi8Zr9OickWoOA_XlhPxjhZjb_mARI6fMTbSnxqR0fFU7nYljtj3di_x2hpE81Zobx2l67KwHw37hiBqNYNFB2t5hSb7nj7juR3QME5paNEQHv5Dwhv9JQr.vjrVmjqVxpMElmpQKnggUW1enr9xEwV.a9ji6VQwlxyvHI7xzSmvOlDa204bt4b6LALlr8CKbgLLQq1OOC3wkynuOBVVI0Ffx5bWyGqinBfn6.Vd2tFQh8gsso6_V3N9W.jtNSsl3VxqpdoGbFelKo3MMlYdgWIOwSN.U9CJpnRHFqnWm.lEMd57De91EZhvHl3uFSoosRSshpC6KevNDfXPL5_sLL9kuLATUKAV9N3af6J6vbmLjNRX4BnRe_T7bt8gkIublHoOUhX_LYsU0xX5YDIeNLU56ZHQp9y14t7Wtoe7GUtCpmfRxLAMqyBgEVm8JLDytj9OcpUFHwt5LJDSbM.odMJSd1RSHbqyI7uMgHz_G3BuFmY4WO4d7YtsAoZ1EBjQrctEQpT04MeMDzoDKb4g95A3EcW5BpENcvO1mwMot4_ekFcF.lvgMxY3IiRWTalsxvgRLvzEaHSeHjMhyV_bg6B3fG8s2uY8zcZHkWJGmMvroNDJD2Rw3NBCM2R8DFNzFAmXpi",mdrd: "Yo_j4loC6w8jxmJi5rkvLzstSw5i72wdkiSYKQFCBD8-1739402833-1.2.1.1-IYEqdbPFxb6C5ML9LTfGPTUA2dkZa5NvOZMDJhk8SjtaP2IVUgIWKfwVboFZ2fhiDWWHQIFsg7.MSTJNMk__88yv_FvXR01JvPrb4MDtx4WaJJTBEPCZRaGS9pMtUT2N8EEnOiwcu2NMwQ0rCDNyAFb58tn02gDrNztvpCWWMUqfKZ5zbFGH5IkKz6XsG345wmxbKREBMaaSete3T1rOVWsfLUy63iLod3F_rqRr0cT9tkFJF.XZRSfKJm6RHGZJ2BbyWnDt7zQ3kNBlq6E_QJVjezl8YD32cS65FNFd4L9eQWe8DiCsbYnLPgvYEwQ4AxCxcQNzFDPvVlMxLzF.y1ZNtl3NY8CqU6TliauGU37_UdnLA7bcYGt2wqdsEtdztxiufyxcNItz49veHKPj.l9kZoyWx4ylQ47NCdieOBCQMSjqM5InhgJ5K_jYhebHbb1wTjlMAHtobhOOzHB4VViv6efO0Idap0yIcu7mNPCuQb6xDQOJlWV.bhhs55smKcJfJo4kye_yq28wU8A2m1q0bFobzC44PXC1vGB6G7YOKfOtI50FYMsb_mjI7vW4ZC1MsuEUBq5wcgYIzd8itfcuxVr5tQDM51PmYinLnKIo32qYV8fLnlOFzpHaipEaInW15LA34z3ydi5Q5SyePhifb2tYT_IqiVo55RyVuXHpRexBbWf3RYZAexs5lk1S3nxFiEP7MmTWWSruxGnteWbYwkXXEz.0nly3VkI3IvLpZPrtTSqC1oH1rw37wAx7B5N1EF79EKURnAv_ax_l7ZbbR5GGwBYbHCl.dH8UFzcM8.nibKM51O8qCwXp9nK2dOCddd5IZJ5_s931V3FtAI.ZK_3x6n.olWvGoETF5o22zttz8zWj6qZmRg18u7Hf9298PvCf90YAso0hMeMH9KvpXIAfOS9yhNjmntrJ9QpS5yrt2oA6IdQ8qEFB1wkOgMhq_mQk3zMt2vJH6KlEkrQd1k53EfTbtnKRSvJPSWjlHqoiAnRscYkRqK4qsZjv0_X8c8h48LV1PZNZlAVXa_C236qdK5LBJWQCzORAzqOhGjHRfPwRz9ahJ0Ideu8FSzo3VILhpvzVO3jRI.eCddUyjuLwmW2_FW7pPWuOJiG8sv7ZXXW8zkxXF0xznJW9ykb9fIcmJJh2BY57ytFOfDfEe1XoWNGFlpAaJoECFlBSK6WfOwlzTzrvqhB0UJw_GMe04F.HzqlQdKzq4gACzX1v4xOr_fUJdBHOb4gFkwP6F4aUCn0GxHITqzyb8hkaEu1nJgSD_uhtLIg3P3EKbYhCMjxUGUc.6Y.nNSTgs.TG0tLaVcESi2DOsbSzvIb58scEpCF1BZ5v00MmrsCwDfzXoAa02ylVgB7Q0_kz4VAkmxkYVc8GBgKpStXuPAyXRYxA5XoN0J.CfeiwPiEsBUy0K4soQgFddABNx67z7cGgjOGSr36_6Qko25nrlx6yfqW4N7waZMcnfPwapGhxXSoq4jDpVrOWsP1IhsVLayVN3rZ2us98uBRDQoZZhPA5ksyWSSuxKSaPuTjazJNIjXF3R2uOoqpvIYjeyKft7QazMzfS56kFnOF2b7nRbE19sGS6qDjhJV6JKESlzxrjKgW9HPxCzuIEvtKC86mW0iGOOHfPnyOgafv3hG.EBfeRBkBa6NhhAcMiDv.oJQZn_p009DUL2.0ErWbPdARSElWsVRJpdcOoNxrHhNlvjt1DcH0joZkz4jClOoyM7ZjvAY88096cmjo30yF4QVDF89lqkJfZu9gJGpBGgqLRa.8UeYin.1iKlBFNqS.BS83Stw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110591fefa15998';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\/0438291756?__cf_chl_rt_tk=pyFJ7OnYnNOY9QT_z5GhW8_.hMCeBDT97UCwX1fcPUo-1739402833-1.0.1.1-0chhCOkvqttPvg.zgD3W3Tj0BCaUm.Cq6XOXd9H4HUk" + 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