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-2643810795.mit-edu.top/post/2643810795

  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-2643810795.mit-edu.top",cType: 'managed',cRay: '910db2f3687c57ac',cH: 'utpQytr3Z6rXb7Y10K106EvQ.4VySD2wQXyieI7MrBs-1739375055-1.2.1.1-OfUNCeSnk7myGhHdyMYz0kMM.nVsKpTBk2HL2cvutv0CbMviIAaWQQ7knGSzfgcH',cUPMDTk: "\/post\/2643810795?__cf_chl_tk=AAjulCt820PIAA0OJGwkFln1U1zSZl68YXDLC7mAwBE-1739375055-1.0.1.1-lc7U3WvhCTLiCGm1X863zytP0.8IDaYCEKec5JtnO_E",cFPWv: 'g',cITimeS: '1739375055',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2643810795?__cf_chl_f_tk=AAjulCt820PIAA0OJGwkFln1U1zSZl68YXDLC7mAwBE-1739375055-1.0.1.1-lc7U3WvhCTLiCGm1X863zytP0.8IDaYCEKec5JtnO_E",md: "75A.p_4d3x1ucI89fxNCl0hPGZZ8vCbKuvsEwnh_4cQ-1739375055-1.2.1.1-Ilr9fW6OOj.eOj8m2UYWm0pnPLrHpu.yUXnV1QVLCP3p3kK490AshdIFoss9_6Tth_qTrVgxxT6FtanfXHkp8TV8kshF9nqb5AfwhTsMLxvnVhvMbgpvAPtbTWNeVyYtbWoN9_3E5w_c3dTkRR_lC2L8ur5gTWazQ40j5bTCKGSBZRmvOxCzUyyVm75P9OTQhQpBoLJa6nZx2oeEcqEYGGOIlXrNmBDsIRoZnOuW7pS_fQkpDHCpL6KByemtGNqtEvwxRJtatizZTO8nm1OKZdEZExmq2AjaVNLKZaMUFH0_K6Fuu6pC8OL9zFVJpFZsI8X46mRfeRhSf1gDDhOcNGjPe8SLFWDx3UyQ7BcY5gkaWhImqKKVWBqIbtUrV_rMT8FH7tgFJ5Cw3oDgHQlysaJWLuAmJOwLs0ZJVNNj7USAreMUZHwDrVXMNOpYoQY9dTx3CBW9begbrA0c7YEW.gjJoDLWEDKFoOoADOaR03_FGWZEmy.9_sL6N_yESpQc0jw.0pNO_RVRrqbjUmFC0IijdKdWwULO.5ObiZeM92UZPq6MgtbXOkkSi18JPkv3CIj9li.BJ1h.fB8o2oOceFuatX27yebCdzj2s3PVyaUJ5ZGYsLF6jfz1aIfldTe1ZCm70Bx1LCkeEoK5bo_zM3WYPF30u02nMsyD29sGm3F5jADYjUB3fFmae3PHIVQ6el6EWmOHtTQVDROrGLuNZaWAMWg7Kr.Z6kdKRr5RuER9kFCKASVv.8JaO8kPfzaDGGjA0wwul.goNVOXarAoIa9IvdXv0cN4PAQg393shlyL6eeROqDXZgvd5yxWTuAWHp.qj9Z.onL8cVu7u1pwcgA8wO4gjxkUqojImBQ90b.JSRs6BT6OuvF2J85xp_8NI2mSzyk4FqbZKG0snvDaqy5glnzj7gTmViLQU_g_RVfZW9e1d29z1TILXyM5xU9SJ0.WYRmNzaxyKD48h6c6qPr2W5hFvOTBSf7eWkq.dBcpuM4aIyHVLJE4LBb3m7mC7STG4tcUH6VqkaIQIsWz7vh1IVF1a7Ia8oAZTi5R5BXplBn043YczTQZvRwSv3OoqL3GslIvBdfHr2yFp4n_WjE2glOM9f6g.ch9wHpPuXwgQz6h0YLuyZMWIm8nX83Ra40DhldftU6jFMky_y2ZYpANjRPYMA_zxEapFaZeUHX.MlFdh9Mv6REW.XFAaeh0OMHWKE3EcwYLvWVBqGyGSXl1TSdLi8ZSJ6gvBfQ2NHzfxDabEx589BGN.3eGuxwrqfTcljkFD_exv.YwZ0jZqX6ADkXM7dTr4UFFMur6Hfg0UlIERYHBaDp3p6DHhOFYpcuNE3luZKojibATqwIigKydcuF3LdR9uS3t8u2G6C6UmKHzPLOBDXzaflKI08_MpbeL6kDijVTutSpTd5RuyO4NoKu99rh_BrdKA9LwzV9AGCRrH_HnMVCsoLYjAfMgL1LJeWNogB2gcLl2p0pbpTq.YaeTQdkTJbfntKc9mJBT3V2Mq9juneo5Ss6dd6yab92MhP13zIUZo5VvvCkKAjXWB8Jy8O1fVxPxN3UfnyDPfaVr7ynIEz_vbKllTY85Rrx6sNwHAHiYCrRMh8_5BT8ZaZppUF_.3s7keXNZfv_Fx74WXuzjeFVVz6N93jcm2NIs.EmdJE5Ax7e7p_hgvj_FK2cQDFja58VIsPoSeL255TDURIghIgALMFu_hmmMHUdXn6eM11thbYxkCXJpLSC9gOPq7KH0T0VN4h_cjVvD4Z_cuhpGk_WTOLBl0..J_LSXzLxJgs9Jrexf7XiyHkOxfRWHELiNMwopJHPvdR_ggjxem5Q4DxI5Ps0C28yB_cIydJ7o9Q7WCJSa7x_SxZLsIV9UrOFrCRNQ1U_DNsmpDbHE8tAd68ZXEdSo2PwR4uFsg1ub_qJIywW1YstiFTodpCwwfdwAfiBBSzKrkw4OXE6vQBh7UXo42BX4YupliaOKM8ERUyrPune53KgC.JkT7BGOxX0IheM.UFkfuU2oZ3GIlXrqklz.MNVe6Z3IF8YfDjQQbW5OkBAlsh5gKyJsYqYQUeiasecX14Mqk2oecUwRxaVEU18w4fvVY2nEs3v6inLRUr8csU1x02pNjka9VUCYuZaDCJJvpQDVI49wmPvXWoPFXyd1q7kcqT.WAR9t6g7ORTwvmYdtMK6im.9atGgHZMhPkwYpImUgg62KdY8GsbyhABmwFgFzlQmu",mdrd: "5nXEwnjTFoOTmuyLMTHTQM9.9ESmzuPmIHzIacisvAs-1739375055-1.2.1.1-9ZMcTaMvHSz3zzyqgxybFmBJBHtRfEMc5QhtR9rgDO6B9CwbQRjN3ahsUMyTUbScxCg9JyXnhJXn516Jh7dXsWTrcQEu7NsYKN8hylVkAEEky8gd2zkpWBOJneMAVxHb2vo_5LW2cXyXFsYIaa4hCzds_yLYXlwZhHxWWS_lxa3FJ69nD0ZsMiqa1JRsszH06pTSYkKxSoE2n9K7HdxTy8RhoW6MzmJf99j0viz3u2q23Do3i9X7tZk.I2s82jniHItj4xpzG5fGvYRDS8C.slveOWpB3oJFu9Iif2xKR05ePgFNsERzx3ZPAMEAeUCPm_BDcS77aDe9RgFA0VK6KTLFnzqd0qtdvzw0oSXEiqRIvEUofgMec4URyDx3pEwwmQmDglvAf6glAN1m2Gw61H8LpaFbHiCtfKDVuHYY7cx.CIvxv8uhFFHWOjaMmG1CHGDFEeLynYBNkc8GS006I80fUI4VtFJ7gljfs1k90KDx3vHJkErt27EjrrWjEq0Yf2erBGWMHhS.VxkatMd0m43HuJVRbUbsdhUWDD2Av4vhzBuE_ziOkReTCzC5Z23tC9NgwrQTmiU67wTEps00jUcG6SjFZ4cq2oLBE0ws7tLykaR4c0.gQHHl.fMvuwj3Re8NuIu4ew.2HpExPdGaxwWZf.sVXScRPxkWemKM0KdTcIhedq2KWNh65lSOlE0fYv7XLw7rJCbxCcWSLkobKePfoyWl4ilWN.7lDGcZiN8ZFfV36Ts57_SdiWyoR4JgLUhb08lz9A58ZR_2UpiQAEzv7ynaxsAaJUDpQPoid_2yfVm5EcmPyI3KKbHZzU3xrUEcvNRkhSRwIvJsfyS208qObEYDwFhJa.6FckfWARK2nVxWIs.V_GLR00Tt.oUGmC1aGyrKkcYWvTKq9mh3YpEy0lPlV9FZD0LixXKdPavghj.B6auOdRJqA.mAyM8Ge7T2CNaWFrt2StLTh6nTGCW4kyipcS3IPVmQGwVYGOka_RwPmCGZU4VB25OpFTPZZsEy5q7PvakCoVb4CUH.N5xiLKimZezMNdJRC3kA7CDBrdwEHra_bOK_JPgjbKQffcoVPKJve7qKC3stVOuadtKYWpNS5FIq2zNvPigdJRMuVOwWDZrYHl2NfYYIh2iVzV6iv3aNGJqYP4Yfb38Pts1YpZOoWwnLFPvBiJB4xlhQnUUdzNiIGPO1yfAL8REVJhS3KBfqD7hJTpTZh3NAgHoO9j.Td6Sxu8gpru4XaeeYgOSirD5yNCaJejbD7lfyUnFWFOmkD7PR0iJuPkVx7h1XiN050mDSdT7Zdslxmz7QrL5QRbwaMc3Q_QG7Tnl7iQwFLVF7shQPaYD7yeADDjblF7rF_eI.yfrXW8W_qQpa1KKgQ5e29L.TojjezfjKe43MHcm.yhQC7uUkqDsYD5NKEpqE_MckdD371gbFIOvBnCHHsbap7NFdjYIYo0k_uwhngLmSbWaSAYLh12bMwt4aWWoOmc6yQ7R6xT09hqwUgL90PaQu5m924I1LgJIVkO.C3X7cZEHQIp.X7UqEeFJ3moUmfMCPSYIYMHhnVaBb5h7RD0RlitbmlrUKu1FuZbCytOSUpCu9RwRHxQ3GZwPDPibqDLzw819kKP4Txu_FMl3AavkWi0DVp4PwbtP9_SEAiYIYsntIr1kKwyl6oIelcjbX2QHRKc5qiy.ZHdlIZSv47W.t7DCMD_aYZadZDTnojAF6DLwTc5L18etVAQ3JlP.D8CgdCl0bExENhin_kMmuQV.15pbO6NOHIc5tp75K2lg54gB2ENIFyW4aSGOChz6LohPQr5IZ9szgzcw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910db2f3687c57ac';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\/2643810795?__cf_chl_rt_tk=AAjulCt820PIAA0OJGwkFln1U1zSZl68YXDLC7mAwBE-1739375055-1.0.1.1-lc7U3WvhCTLiCGm1X863zytP0.8IDaYCEKec5JtnO_E" + 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