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-affqkdd9w.mit-edu.top/post/8471352609

  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-affqkdd9w.mit-edu.top",cType: 'managed',cRay: '9110568d7902d6c7',cH: 'GRVVXlS7PC0La.PIpokH09DuV3y_CXFUKFkdjUxMW2I-1739402728-1.2.1.1-c4SeBcR64dJw9AN668SJjmn2DQ6I4bajZ.gcPJNOMqGy4D5oYdrG9bbyecCVbXAe',cUPMDTk: "\/post\/8471352609?__cf_chl_tk=ID5wlcCgwe3jDD2NxBoiN7eYwJ0L0rZcjT9tvehbZLk-1739402728-1.0.1.1-ZbO6ab2cifxJbiHGTtm8723Xg71wPOYYjUSwlQlINQI",cFPWv: 'b',cITimeS: '1739402728',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8471352609?__cf_chl_f_tk=ID5wlcCgwe3jDD2NxBoiN7eYwJ0L0rZcjT9tvehbZLk-1739402728-1.0.1.1-ZbO6ab2cifxJbiHGTtm8723Xg71wPOYYjUSwlQlINQI",md: "azTPPe3GmaBmOBreY1QEkqHIFR0V3hNKVY0FA_CDfCE-1739402728-1.2.1.1-0u5bjMO5aaXvANJOSy623FdhTZJ1g5QratlivoyJa8fBbbjxIE_HFdKfaW4TFvG3Iz_lutaMarK992T3rywD022NF1Yvdse1pbg.rqnHDELOX0dbgP5uBm0V.9_HSfO3kWqAyB.YvieTuHpYBs9lN55OdWEPi77pJKVhfjuxwIX1mBJ13Mf1tnaPTBpHQ0iQs7XxfzUXF8FIHtPZlW.n6oWh_4A0dfZCubVxC4y_R0LfZD4_FkDhG9vbeiK9jyZYmUe9zJjmTULot69qFA3_x431KFCZV84xE16F_x8NVFt_1gvWKkrAJswE2dMqyweTWfXU277w1N0p0ximvvQY1sEwbJuiLaGEcu4xEeiZPFtTX4_tJgk8T3qZ6dG1JjrYIgcGDzXUwMJzak1PAdeg41bh5ihIxFmdDEFai8Dv.APX36IZ.EXMhWxwFux2SiDE_TQaPFZpqUXWcBoqRHn3fofxwfnK7IzdZTqHAnmFsm6AFjW1AkEQTIKSCZMHp_RXFJgjRaefsYQt9Rszikz9s87Y5pzmCu547D7T91onYsvr28TIlELBhaTpvJphObUu9nH1iIVK._9Ct0OlFyFtUoMXWLqjUXtyZKoAZat73f_Rz3vLES0FhIg9M40UwAocfIFkjfx7PEHLRdovarzShY3kwNN94yi8p1uQB8i4Zd7JdCBR7ARbQKnuQgnasbX34JeqE3F1_uVBS9ZpUGYLp4XVmW8dvl2rQm8km69yRafReKPX2kZ6BRJDA54hRBW8SkC21BDLjsjgDU7CeGIxT3eyJ4hp8E_oNOJwXDeVcfIudOdKSSkFiCI3QaWRv1OoR7rbIcPRIe.Ggy_CXomb4VGhyn3EuEeeW89NTiW5e__deh1bFEl7jLm.zJtDYs_hvb.BijqhMH41d2Ab2iswQxQAa.6FFb18B7PLuAjCLLQDhlBa1P_47ACS80W8s8CymzpWsr3a9ms0meK9JuMX7Sv.pRpOD1NqBm4Hi.12wmGfzDmE7IahXtTEft8QCuGL1qjkuvtza.FGf3bcWbxTe.DzfnJEPkrtv7ulzB90NnGghm8Yufve58WcaLPHNsRSqvON0uphOt93Jt5Oq6XR9oSGUzjWxJP2oFFzQGBumZBogaOArZpOCgJcb5M4qdtQkVlH77KZZKCmR23dU7syh6yPbjphLIHSNK8MGMDMg51VP1WEla0Sg7DQfriK7ZHkT5QGdCuDH5EIBE4a6uBxXgTaC2nBvnjzA9r76enYM4kjgNRXf9MG0eff05cRa_7p4bOVIG0_ApTRw9n7AJkawsuMQ9NtAdE.mIF9QXvyMOKY96k_3EAF12hASGsnf9UcWHYVrVzm.ND_qgxcUHx68YAEY13Ge_JO.opW2304v3jMcDoW8h7QlX4FAL9cJzd.SFBjIm22dSJIfXw6D_iuThBbjNI7NcEKCjWGOE4WF3j7yWpsV1LWatx3fTGqWW7hSGFpSlyl3mwpnLCh8h6BHeyBuwF_dFq5KkTnimH2yQCMwuuLXota2ckqcbQ88Uzol6a4O3cDJfO3Sb40.EKMN7FAYZ_Gf22PVACEKyTtLHpnYt6HIAJd4skDxiQyYKKCpnWzHnzrYOEa98SDocZCRQkaebmPpU2z8s1HbvszregZR7lcTSiHSiN3_agQvQ5msy1N.Orw8BA9S_G8vadMdDAD43o.ZdLpYBR7zD83lbaG1uAGjW1kzazNnrrvQ8X7ipum5YnyZ1ZQ2h3b9mhBWJuJdFRDdDMFITgdQn_AEkuX4XrkekBV8QMthafhyWfgonz8GTwV3yDYU5IKyzVEOLmeWYjVpAKrU4H7CGc9m8Xi2gvECllGSchfnEgtiWP6xgmzfmyVV3J.hfGPegdzpLAICz5qkhKqNsSW22vqVJN0I7hvxvHeIODLLOX64EGju8EIIgd..AbGKqBj1XM_yrd9wQv9gKsQyTL4zu_od.OmX6cqeeUUN81.VRP_a6TQaGORey5XxlcacxS19Dz3Y7uTs5WecuLQohYB66yLOQJI4T8MBH5_AuZM9ESb6IGmqnlooEYkOm9XIJSq75pMxXtQRN82txRzZUSUgv3CWpKDXY6RBj4k9ZpzUxRwjkokJrO7wAWpzp3PaRuuWt516R9bPYLZXx3j9EpgpF1tyEyaBsOW0.jNbQgUwVVPM9BrGTC1TU_Y.W9vRx8idLZtEhz7cdLisNf1ODi0rjBAYX60tloCo.Mg3NLfYB8tvEd9",mdrd: "jXd3v4cUH.7ubJ.sRajtDdukXXdr_Kmd6O.nISmqcMo-1739402728-1.2.1.1-GcKPTvPDU0uXwaPBUfcgOVM8dPAbifTHV303i.HENBH_EkFs9WrBBf4S26JPgOcSt5pqoANFltrHviiUxZSdevyAIUnUJaakrLR9PnmIbgxrFagSskzyppxO7keEKYIk.9QLV_f12KJh6x6PRea8eUzK9FKViADLTw08D_rBytbKPp_smAt01OgQ9cuvntq1_MPPmsw5czf2225rIJPYn_uAawJyjYHNsYGbI9RY2HDJNIUpPC7..GfX._Y2atV2wkftbj6UQ4yqIhnazT5.Du9ZaJFA8eQ6dJmVh_Tu4zRXg8yOMPAbW8PGeJ8JAZg7CmmADIhx4xfqP4RV1tRpHHOGomb7pwxHqKc3UC8aZsjKTsa.53ImzXahve6fQA7RiX1ALz9CJkideNKYU4S__rE5lO.YynxPa0gGfOT1POopdKthTcaopuYbDX8c3RnLUDjh0W2Gmo91tQM7S1V.D74vdjj2_YfTkRnm8zX74spZn2QSPfmHM1LW_i_ugBJVAGj017hxlVA8kajmGFVXHD6DNw.BhHXFyjEMJCIYvnHdzrGO35ezEHK9hsD7ZONVPPaOCvqMVVT.hWvaJkO0IfRYuV5b7sTsHHTi4PMJIuowREHuI4vHAHlI3wTUfeD6xpD8r5z0sMwA34VLTXWSS6yrvoo5bp00ZuMblZkG12hlCIW5jNnsbaCvv18CjrbFnR8jqGKIGyDUYqWCIAfyYIGXd2SRd.9HZsgoNYQ3iovqCQoS709jcnL5_bBtc4HN_CdSyxWDwlcg4U5087y7jKxq1H00XADDm5dnl8BSus6vCNvOo3VRqMKi9aGq97xGupViVze7yNmQcM11.tqKhueTqxbaYufNL3oX1goUvY4brf67PzPROa4XnHrBcnWOrixKahTHUkPLido96wAnET9jQy9BJMlvWp5s8o8suI2613EEoEHducPV8tJMNLiqOYPlGmFQZLmqnlgeIbfbbOxfHKjvgIvyo9qkr1P7iITz.AYmemVh12hjQtCWCAncQ4pqXelNOKu9I6JIL8uQKTUFXZWCXuJvIP1seTHs_1Gr.xV_r2z36ruVyGSdLVmIl201YMC8jCFz_tlU.VMBGk86SZfBYO8haZCg69_oexKLB.CEWJnDx1WIAJjuTsOe2cBBXA3YV3fjWuvbRKPJcuBGMiM24Tg89qoLUZEX9KWdqABx9TKc6C2WH8EhbmSop5GQIp1Q7GZFdR4ZjuNV1iRsh1N99mVC.4GbcLsERzRxtFIogigHooOvSQVqGzj85h24.meAK_4Azl_q2MCMLTOawTyxbCMVFka5.ioJ6AdPxMLP56WQrm8Zevqr6dR9n0dMZaaQIjF7lrcYfwEmihF5y2N22DOAO3JArs8jqzbGwfbT3Qic3SQ9iHH_NBh14GylSA2SFn0XFqPEGQ0a39nfYp7hyed5BkRHDo4zWY4ULW05V_Ks4ZInZdxWxOMdBGq6nQufD4DpGX0iM7HXp1CUHci2F.9cref18aZr4XguwFKJed8aXPTTm2HcOn8nW545_H1.EBy9NsDy3nDnyYgfsmJgHptwXNQCLLW5OKb8RosMwzDkXYdKTDqHiQAiNMZmLSIWU4IigZSjaXd5y0p5x9r8P4.MwyrH8SmWHwE_OdH2fwYT2B8.hz78wTNyMigqH8HWoJ1PDTwMXMj_FCnMuH.UMbeldldTUyvDdbxclRoZXUEAXiZNbnHhik.b_QCnRRe7EjzKu_mwsQrG6KHNGbQnxFeRHcfXYSZGpNKNA1cDwp8qWwss1.MLzrPPOGkxrtXYHHrYgw357lQM_6wu_RHCGcOL5NMGjgI2VdE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110568d7902d6c7';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\/8471352609?__cf_chl_rt_tk=ID5wlcCgwe3jDD2NxBoiN7eYwJ0L0rZcjT9tvehbZLk-1739402728-1.0.1.1-ZbO6ab2cifxJbiHGTtm8723Xg71wPOYYjUSwlQlINQI" + 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