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-741375987725.mit-edu.top/post/0852974613

  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-741375987725.mit-edu.top",cType: 'managed',cRay: '9112c1a249cfd664',cH: 'RpzSefY85emnY4gCI9dpBO1R21ZY2stVLVvSJzus7_I-1739428086-1.2.1.1-oZCmB9sk6dZL6LnC3yA.nz2nsVm5E1WCCveYDrhacWG1rCuvZyfi1ul6z9mus289',cUPMDTk: "\/post\/0852974613?__cf_chl_tk=V0PTpL5zZTwXO5FXeDKRk6Bj8uLxXMMAtfG8g2b1sPM-1739428086-1.0.1.1-aIn_ggBXaf7b0BblwZSKSkDt09lSiBqQyg5YkclShtM",cFPWv: 'b',cITimeS: '1739428086',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0852974613?__cf_chl_f_tk=V0PTpL5zZTwXO5FXeDKRk6Bj8uLxXMMAtfG8g2b1sPM-1739428086-1.0.1.1-aIn_ggBXaf7b0BblwZSKSkDt09lSiBqQyg5YkclShtM",md: "NBaSykHpRo9Gt9.gEXXpkqrMJ_LaFpEUaYyMBmt9IJ0-1739428086-1.2.1.1-iLf08pSHUy7wjTFcVUyHDWHxAf8n9uGO0h5ZuSeYkc6YnoaVDT7r8f3Mnch0n_WZRo_yjkuZJMqvHbPL_HTLsvGUx7RsmX7U9oOm5vch22EOK4e2Mt94wBOLCd0wxIT6LP.Uzu7rvDK7HGYZr1eefhZj53CDXswVoULHW0lMvw6wXyuzcvxmw3gzuibohC1RSEzHDrLUaCWfIjT.cGLxZhCUwLUZtIuPOWkL2Kl3NbEfTFQZ2tfdkbeGu2i64j5gC2GIDi_Tnf2LNgGCH_JtS5n3uoOkOlRDXyKhUy08U8wAnAen2XnYyVxnsTU1sx.r7EZ1X.gb4mu9DFPG.eW9WI2_Oc5530wdpqvLvQcNzrwQ2QupvUdH2il8wc4a6CisvFMZ7tIa4CUYsWlC3SJdY7i4yliyAG7LZdJNvU1Hm7b4qyZZYFIhY8y3r663mgzJobaJ.zWmSd_03lv8kOT8Oe.xZtYXkASfal13JonqetWoCxpiDxo1867bNaydqfaNBo5lSJjIRHo7d8JxnLb9dTNmOzeFPMpj4EuUgDb25ZCrE6L3BoT_wt0IBL9weHfozYUQtXbiRJo5GEBi0R5g_XVFOr5m_Tpr7UPdjw5BZaSOqOT8CbQ1A5x2ADtqszdq2WmqRMgIGqYvFuF_L9Kj66XbaUoiLkxcyXhrVwkxgOKcsosthqaGLmK8LJu8cRnACR1zzM6YDro8AJ2VYthSpNSykWZDeIqhG2EvEA11PXpvBG1cDHW3klKhMtbWdfktfaVIFpWw83hC9gCcmnoWFfsoxm2FlGTVO3KrJEE_zgB96kYWNdyJ0c4aXagbL_hlGO8VGUiArVzHE6A9Xbb_yroW2AQTWgPlgg7s8ZCqtMsLIL8scLJIbZXadzZdQtuRjP9L3Tfis3.EzLogIOBMWV65blodAywQPrSVqMy0nG6D3lF_IxcrPXOtXQ41sjFfCV2SBBIMlx8oQHsRL1qEdmuxSajYMM06VRfqoJKhzWKrSb_N1nbNASlZa2QYsoWpX._n3y.ByA7JugXs86LDfpnDSlCpfxPX8ZwzR8gwelHNF2gJ9Vg71SBzn1yepSx90PcCsId3brWPxztzgwrD4kqwSTwEixhejb8eLBv6IVTPNMHB9U6Igh6dzp13Tu5k5J3EC8fiXWi3a0jlgxKexG8D31iYM6BxaK61m5HV4Q89bkUDwlPeTvEuN2YPK5p5Zgrj6TCjMjgT__3bgO2meVEFqpgh4Jm6sDjmkuk41uwzzRS0w1go9kMSC85GH3opVImoXko7qmhg8Ofd0dDfPEgVRdOOdTMFlXyohg7eb6b_Zazx4UCdqSRfYL_SyaLMYVZmk3Tmv.JB9Eg2B4m9Ic0WmK7B1TXL39untz_6o_c1SQSaJ38iAvHdAa2u4e5nn5YDe.I89FFhKFaVZs3ajQA96D0ik6QOWYD58KNMdlsdir6JpjzahL.3xKBUMekNRSNps0IhVaUTiNA4zzy.F4A_IE76Olv67JoMP5a8_.er6UFkzwvyYyVPkds115k.DZB__lfmFayNJ_.UVkUVSkmY19PbAiHStrJAAue6vQPUtEYJDQGsdQgu.VNL6xHZdTF3o6jjJKOQ9NoYnxX7JHUAPBcfFoGEch23jivd4Ydi6bCKO5rAYoS0SRtBL9gY79iFfnKMg5g7RsrAAA.cHHkpuPPVV_ieiFc4JF4xQx0rlEJCRBmv5wEZMgX0PfCPFMmhFi7vOA7wtiY1FKkPVgG29JG8qEU.KEdP87x3EeD1GeOtbOUASTVG92dtYV_g4Nmg3UzDRnjQBypfFAmo0d22asaS3jVGxF6Cnu9Nv21EVmG1n0V6FfYZ5Mj33N_lAakFHnza7I57oHqBUWJYnPDp9zoev6NWEC4CQkjFCKY0t3QAbvXXPU7MnJivqcqM2B0yRlgKtwG62Fh6wxpyCNi9Cw1UElCKoCKS6OR2HQnI4ndgu3Jnh37XWAHDqVuSTJXqCsedWGnx1Uti1Y0RMxikQJ6q2KtHFrbsrDSh9GfUPrS_TdVRvVWZJIPFMV2ymuVmnvmjr2SFBJ67YRDffr3xf4xZWFSpKxyJkvzoPO3jZ__FTrMPe74GHp03z9eaAobsjeWd5RwWcFd8HvigeTOzNKVA0qRu8SgcGr3axVsH011PiobCdX1z_7ibtcuWXrMJ6owE5TS_omUBprOcFgdLmGsCYvwmg7UFvBkw2YAPhVsHvYsBYP6gfvTVNo5U",mdrd: "MoFrXpfWrj5ZVhJBwAdv2yUaC3WB4_m3Kb2bi2PKLKk-1739428086-1.2.1.1-NQ94GhBDlvek7Lc1p4ERNU5Qy29fY0Xv_xrN23XwJMlE2yuTBzVg0fGxcFaSV1AlxgXU0bta4mfx6vO_QZEtM.hBdkTNYefJLPjCMo5ukX0KxJ76Ulbk464Ih3jnMVDT4qt5etF2sVHBzeS2NlZLcVG5QE2gCMpjR9fCBSL4ysd7j.woxq6FiFOrjgXXioD84uCeLaDV5QmHG8seYsXVK7TCb8cFYMPtG1C26zrAf8VerSStV_Iw0eX4fPCONH67OwfBaDeZOtNflofXfBVFu47ncfHoMFRJN8QbhITiBxoFb3pNAdVdJnBOZGNqVWsswHDZbPDVFoJqM0HcC0bAPIzFJ1NUqQRI3wIg7B9qojfQ91d_LmVzK0qKC7KocUu6msnOO1hxN3.q5C4PmN0lpC8jHVO271gKJUpEUVL3bR2J8EsqEoU5fnCSJgmKidvXiw.cx9BidyrP0TbSkRMdBcYralwRj955TW8vSkAZIjjSD6BDW5QSTedq0JqhMzrdFyx9g2rQ6ekz2MyxwKGWXMBBbITNNeo7XwrPZ2ZvwFRtq55CtSa3DoIHAUpRkgdF1knys2NuhVbgqPCALwOiGzHdmMGT1.OspurO03fKQg_XqNsqZlpzF7rdG4MKr.Dmx2_Fw3YwaaxX28U2n.m9MXKr_mkdvBAsnmK4MPtxccdhDOG6xhO.DgGYbnAsODernlY_h7GlBfnXMZOqzLCB0HaOG4YHl_QI_hlmCHLpBCfrqs_M1o2W9KlmN24Gync3PcGOWm26WeKN.LZct8BgyNA1KgKC6qSeJ.kkqoPvpkz_SH6kZwk_33XU6sotIcJoiylX_NPE0EL1utrSXkqX8HAej8zoM8DWwC8b7vQRHJMKWlg3CxKEH3SflTtroVrVPLrM8QMVl8d87G9kt8.gnBZRYPIRpav9QAuYrMrG_eeRcs037oJuyhL3GvCDR1r4NWa.M5CmfR8Xiw7pgrELOtxcTe1GZPrjKjf.kl8hKaG0Mr76JrSrg.6ChwIC_yJGLHnDxPOj6sKkqBPQJSPGkfxSNJ1L0CcpHYomdcp.UV4qOFz3nfkBd45qfIvL637xfR3F6Bd4o.5q4CXlcdMgeIp4kpjk1O6bLj7aol7KYgh2S2vKzw8MRapa0aoK7N1OE316k9wdsG5.SUzNVpuN0oF3b8SxfouD_1k7eveBf5LerHOE4iMaR7yIDVr9Xo80h5V7P71xFS2k9no_wL8kaUbGcaVnM7lz_g7gkXKqc41Va6UetciizTfBB7Eaa7297vGRLqo4Y6IrUruxPhKvhFpBcmLjnYT5aXwWQiBVrLdiLWrnkjiNQPEDQ2BkurJw3s.IN.DWYjgVCq__Op5liqHdB1f0RB9Affitzqw3R4XYESMUJ8wiBO9IYhFLtDAdBmnpishOOZ64wi_PwKmfeVA9qbcucF1pyY.Hms1J6QBhrWOv2nQvAAWH292MMZFdt3nlscfg6WPy54vhSWXfPwGPF_6gwmyipsnW_oPqqhCc6xqTJR0wJhc1WuTdGGFtanMrAyp_EPqBx41.GLdiBphCQI49meWPnqw6uUBukgkBDA2oSdXWUpNARw4qSUfOjj0c5EkDO_J_QqbEuee52JyuNg7pwUggZMMuvP24mrLg_RwovV8kafN.nS4dW1553PgZCJnpN_LDzeKXExVaKXg1p8kbOH5YILjf3j3Q1F3hC5UgWbDbmVB3NpLk3rUolxBzK1vkQKfNArqEc33ppu_yCboGrjx677t2CSpKcDSVYZWYgfLfnTUSQpAp7KBt0oaxbK_KMJ_9pMi8Lob9AA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112c1a249cfd664';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\/0852974613?__cf_chl_rt_tk=V0PTpL5zZTwXO5FXeDKRk6Bj8uLxXMMAtfG8g2b1sPM-1739428086-1.0.1.1-aIn_ggBXaf7b0BblwZSKSkDt09lSiBqQyg5YkclShtM" + 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