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-576940986522.mit-edu.top/post/0321849657

  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-576940986522.mit-edu.top",cType: 'managed',cRay: '90f7dd554e86d6e9',cH: 'NVjhwP6O6lY2cm5n3hVig45Sq7T6OyOhQoJsAtG7UIE-1739146105-1.2.1.1-uOPSisRXKWoxF5NP6rJZj3miYs5X0JAhs01vkVa7t_8IYFXE7WusE8rA7k5SxzaG',cUPMDTk: "\/post\/0321849657?__cf_chl_tk=IZ9rMfmlMnElqRZmDzJu_VSbdQuA4OUebnq3qtDYUlk-1739146105-1.0.1.1-iFwoy3jZXNUUYwNc8wJSpqcWmPsOCMNO.K3MdLk4..Q",cFPWv: 'g',cITimeS: '1739146105',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0321849657?__cf_chl_f_tk=IZ9rMfmlMnElqRZmDzJu_VSbdQuA4OUebnq3qtDYUlk-1739146105-1.0.1.1-iFwoy3jZXNUUYwNc8wJSpqcWmPsOCMNO.K3MdLk4..Q",md: "u5GIn3qtNQGDTUCYNRDyXS5MTb7S7ztpoXfMkkDPjAs-1739146105-1.2.1.1-zdSLOSfdjRUx_p9Q6taiKVdDSBhroYA1v5E6i.0_ssCpxw.v8LtkT7h5jXCQbQF8whKQMNpuOmWWrT3y.L8O79o6x1JY1HsQ8MGemFoj8PWhrTiSJZPvMDmS3hDwvXCOFI07Bjfre._RT5eyFNS26Bh8XU5s65BgwKcwLYwyKISohGSY1d9Qb1O_WpHprwCctZYgVDZ7_qRLXCilLsoU0NfrvEw9nTZ8nEic0E19gj9NSb_rFxXGMpSuzlUFu.vkEAaEepeyaY2H5JtC0pKNX_Rwz.TDWC.EWiCLHZMQEg0lmaxvca7hatO3v63rWl7GgB0exUOUU0X2F.50_ibU8afhPZaEPeTr5JrBvy1ek6_fkHg6_7QicSE8bDmUEcGh6A.8lvLPhjtbNU4CBMcdLDdabhmAKyhu0EeV82dOrAigRZ8sceXkeuQ9yW.VCmsM9RM82VRxdo3oNaQ1H3ERhSLotOEdtn0bLCFcEAt_AfjCThbFKJyv1jSyL0j89Qp8Ywuwjun.4tB7TxeZVb3QDxeGuOsM59s3eSDcyX5k21tJ7gP6TC8crdJ7x1G1r7qi6N_4fHnXkWZd9jOl9RC4z7jxrRH.FGgboT19l9pMip2EXKneqOCwz7EHfj7Dg2QSB8b.vf8UgmfeuEE7X5SagdVJd5uuM0VLB1PiC76w3youjmpPla.3v7X4aWxiTJ.vSlrU.3F7dNrShhuAHYAA_CLvlA.M8irJkqZbRwtR4aENRpWmpoV4vpMByrp_1bE_yI9ZQB3goNWnLcvfms__kOSgNCabHBXw.ER5S6iOJOdX0SoAOckhzw6aXe8pyB7.X3pXiWRX.r3P7ktJ_bceywlQ4DFNot5HXgpujM14g4520NNi8iPYaV6xCZV4s4_x0sZq0KefGDwKICn5POUZG1rX00P_y9msMRpe_J9bpz3i8bPKaOmnQysF7tISDFE8zU29eY8k3nk_JnFh1fzL_QKhExizJDCB39tGl2giL3Y.ABFS17KQFI.JnMoUyIuOy4dAXV3m593VNrX1DhBDmMkJ4YjFfxQ4YIbWxik2FYj3rQGOcpX.DEIWrIoVvKdvvRJm9ZYWbvfnVjPRfYjbm9fBGwXPEL5sK5NOiBIvMHbgEg5slFYBIDv1AjqVixxOUVkC29s59UvSntxttdE6cNBoyT33_5yg9OdsPGolatww0GtujG_KV0B56x0onJ8Wbkfl1qsGlNHjp_5tFNXlFeEIINYqDFkncovlbZRX6boc6_mczUTBTYHnSIPsTZG3fqeUaTCnTWsYwi6rPut5oDrcFUSpCURKQ9Nt17ABC.E3d9Z3wI.T7RQAiHm4aiVnbl9x0eIgNRnlobufinHfnU3i50aDE8bzU_nPpOoEEoMFueb2xuSkEor919zVG9s22Uk4N3qBEtq_4TUZwx6dnYqy_mx_N8KSljfQdyZidUF6V_Ji8N700fN.03U9ZI9w8nUVzoqyiP7BEKFM_m2Z2eA5pcrmweqe_VKXN4u6Y5tJidEMqj1tM2iIjxr4nvt_hWNAGJNKEVVSkC9bpUfnIva.FkHKjlLLNrK8sZzntH9Pt6rJ7m27patiqMKuvDrEFqDmUPG5pcKuEF1EjfpdrU6I8gV5POrgfwSfLa30_vSj6oXgRkOL7rPZIopnHB7YgoH0eiJEnJ666RXm7BVJA5GUm7uIU9czexMkM8hwe0oU1gTY.eQPEBt2NWooHFHT6qNOva.mLOUgB.Ek3IZ3akpVatO64SxPRCgCw8O5id1OgKWC1NNOvYg2eGDq4cOncaOsMuCwIh6ua2bt34_JXo9n1FJmiQozRq6zn36N10DMnvBmTU85YguSLGOhR2uuRlyrcXqgjz7vcAMbxyZxpHiDCz4k5L8B46ddeis20YqnnGFuio6J4u_BNmT3a9oTy52a4X28Z8M8H15JSHVYjP2mGvGVWEOo0mQ0KC0ac5dtnkehLyWAvjWzkEmluh5UZfh0jq6t_cJZeSujOOzIaeqjfQBCjvpJznGY3.ECivdRnMrX.R3.8bJbNTwwSzkbt7a7dUfsaWAJJXXZg_72UqQUHk384ZxzGfHF9mhUz3YUVGGlWmiaH4KAQUIkfGmzSM2WVJRsDwjl0kO8FtKxo.EsoTK_x5Ghbf25QobVndLKgLyjScGgYbeXO2tG.rbxSsPMsEfOFajVhkxt5S8_RFQCO3ShuG7MWd2UserYWj.qCsEqqjcSnSyP6MekQ2Ok",mdrd: "xycn2fInkFeYsi9zGHYP0py4PFX12AGCIGQDm_SwKjY-1739146105-1.2.1.1-K2mdga_QMoK50a0KwlPrPcjK91D0sNahtEV0ZzAg2cCwJhtuDQh8z_vCZMVMSm4c.yVo7J7ESQ_bzRJNt9qaL3aY0fQqbhOxUs1OZRY6.Qr4yDqiEODC4TWEgYlSV_44yWqfLi3TGkc045FtYwB5VdgBgEFISHlTs6y_kspYtEbtu1XZscz9vAmCTHRxMuheZIUEpeHQP540pCyosumuxurf1cV8L_EnyW.tzeI_3AvoO4_548ou_2YOOvlQTOtmFlQA2hYHxLnBZznh6cFJuuMtuZfH4pokLN8MLb0kqLZjwhq1sccrA_UZdQsMcMFXYCe3NRj4KyHfzyBm9XYSKrm6FKeWqOF1zLeaCQ4utx..55LJ9MGm2LO7LdTaIcIj2FeI0LIUxHeMI07jeROleaM.GU29zIMIVdYLCmV6wWU7rfNDUpRzbyjiYwr1C7MKfnEi21_4aKUOfQ2f_z9Xvg7_jsh7uAY08WWkidMsZFYcoQPY5T_EoeDrh5zMLBp5T9K2XuOeH2JaESC..cJyW03A2mNVPNb7Cl0SspyM15jXN6nr7llpDfjIVC6.KcLO6DbiV6bNBbT8mNMjBkeHOxB28tkmdqrw6cSQHBRiH5pOp6i2m5DS3hPmXJNkxAzryeQZtjLR9JHw0UW1S1TOk2QHhsRlWgOj2VFcxpvWDYeDnj7dlNGgYr79DE_uzmJqmCw33lSb7qJ8tiRdkaZwKTbAOjb86hhrTw9Z2tH_2dyp_yJPtN8CudTq_RjxupbYLmFQsTMxcwMblnIrxVXN9FRIMGJynhqqbfpKitWSaLRlDBkMeMZkN1c1YaSc7qfy4Gy_MbHvY00vQKUGd0okZaWAtF3eX4cA0C98IL_ZrRf4FH..K6QKPPG__8yVH7N_elJLK9L0K2n6G0BMPQSd3PLO1xfbMAGLRYQCkYIScZKkDJCt5uIrbZoisMKfxpTaeUxiiYOObnIiwkoJGU9zQRU78FD5n_UX4MUmDJCNsO3MfxGtqu3M8T5V2M.aPxkj7SIu6KnJZdnFh9KrnAPiKtfS0vvO6yk.ZS4YnX9IU3hJOZFg6iK_mnVfs5UCIBPFFG5i0.i.N4H5H73COWcvglG.IhJVaVL33jtOVKZ5eVeE8pQTCSDE7F569iJMc_hOpSYDZjZnJVkvXOXCoMPjCH.nWI3bsTnnBO1km4gIlqmqKvhqSG37phXdm0MxaoosdWLvzMRmfF6ICDy6gVhYf8uO.KBu.j3mn1BRgrNjsdXSqCvVoomSUR.5hykpFyCE5jQPYcl3POJoZIJwFplbjNIvgEG.5u_hu0HSpfEGCRKI.MiCee0HK6Wpm20QGEOHbFFEcVmOjbjvVZnMEHiD3ADRWbytvEmAP22PLPcJd5deJnXBlVQUU4NxQlepiPusOOEtiENkXL9by8CEXUzRhxoGdCWDGChtjleinHZm_kcZt14kgpdo0_09RhAxVjfAEpsX_.2YPqBVEnNzPaA9zDjv0dahL1RZ9shScuSi_fKS4_L6ZWjwIerCWQfvRb_G2zf4aXi0xxizGcUKRUI1x3rMZE0tpG4HCXuToUqASSZOQVITyaqqYlrkyx9ChAufcFFlaqD6t6oC5rN0MR0pMlDm6d0EfN0vNE5r7DoyPOCHqF7CYWGa1hbVkjyzkHBuLoRUfyUVf0napqLId680Q8j8YGmYQlc9PmLBTIvx06XcUhQH4SnA1JJ8ge_sprp4J22AzsKvouKrFeZFK5GiAIA2ZLwbOB8gd2gRIdN3Z9bB7aZdbIvGLYVxYFjnexOYtfx3ljzD2IfvpJ9ygI3NSKllj6.p8m1XA6o42EOD1t0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7dd554e86d6e9';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\/0321849657?__cf_chl_rt_tk=IZ9rMfmlMnElqRZmDzJu_VSbdQuA4OUebnq3qtDYUlk-1739146105-1.0.1.1-iFwoy3jZXNUUYwNc8wJSpqcWmPsOCMNO.K3MdLk4..Q" + 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