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-406121753973.mit-edu.top/post/3821764095

  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-406121753973.mit-edu.top",cType: 'managed',cRay: '90facfdb4fd4c971',cH: 'sKlzBZm2.SBVPdssjBBHWAYqOARxn99Grch6JYsDNiM-1739177010-1.2.1.1-oIay8V0oUh4Vy_wuiz6uvqemWRAGdNJcYKQbaqlVTG5gJcutISbI_CXUyI2Wavqq',cUPMDTk: "\/post\/3821764095?__cf_chl_tk=VKPJG0vugvq71YrmxFYKKkBAK_B9I6vklqK4R5sXD.Y-1739177010-1.0.1.1-kupdZI.5tF05XikJu93FqausURWjBwSsLnb6oGKuuDk",cFPWv: 'g',cITimeS: '1739177010',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3821764095?__cf_chl_f_tk=VKPJG0vugvq71YrmxFYKKkBAK_B9I6vklqK4R5sXD.Y-1739177010-1.0.1.1-kupdZI.5tF05XikJu93FqausURWjBwSsLnb6oGKuuDk",md: "Xsaabt3vcreIsmUPWuO753od_WiilClTOQzyEYiGFbM-1739177010-1.2.1.1-VnlX78dsXTpCOKuBu1MGcaM7PPyW4xVLUSgDRnW6npgA53rIRLIIFZLwVUVq8dDdq5mI8.qCQ5eJztdRsHqHROBjLrIrehMTCiMqvPHSGldgGOo4SnYT06_EykbWV0u7lg9PXs0rE4Civr07SYlYB3YyeHOQITQ25aqLK6S.iiULIx5krgqOsyrqkZwrHqkOkmKg8C.V4ZxV1VkuQosBLRfgueiebCA3rq2XxE9ydm8.o4SavxdXjNzqdekbo.n0_aodRBbgyxz8IZUuwhUF1hBWF.oQHPPtDNKe4ML1RH4PtM1eBp1jeB0qOa7cRYu6tfO8Nncjhzv6Jr3FDhD7GNzc8XbZlOrPfH4.J8PTMGJbQ7qCZbH.r.X778DaQGUsW61jXa7ntYmUoGK4OWfiUtfxtpnBFaeFwe7JkG.HVq86uL.icvnu9sqh86ba2STDveZRqqOWZqRiiRldZ4M5UoKVjjHOO4r2L3xLTFUzFbeuOK4oLyfX1DmdfqtWYGK6RJALQozTumYO.P9st1EthxAXFUYQt6oO.yMuoJEVk0QoG1tk_w2tFcYtvakJB6n4ZO2f_._Xqiu1I6oGO0EHULKetHH7k1EYkj0ZoSm7sUNxGMxITbzW5LuZr_EIJ_Y3PBSulcYnRt4_4vHwbZevPrn3.fjn.bIeMUnxYCxxAPCjmvFgvbkLZ27n_FdbdMaJqn9gorZ7PbwsDQG7DG2RyFTP0af8AlVRXlBxXkKK2JU9qJ3s6I43Kwe.ct8CZcQOn5iQLbwoR2mp.me3AVdCpBHS1.DXhc3UGpPdZNpNTwIUbg4OWo2ZHTxuFaiYMhSpDG6tGDT5QJVWMjZRyeWYX9_REROCe4XbW50QNv8Nepu2BjZpud8jjb90Uzeu716beUDME3gTp0Yz663zj_7IjEqaFZKm8Ra7E3JH7b_q5SsRB3mmpjfCGSSTen.fXvNdK21x8zTBTfMF210AoPjEI4sNDWjRvNeZ00EA4F2ydO0O2KS1sZ3wf5CDK0kjgdHCLO7cRvC0GpyGZLp3D67oph9t.D.UkOQBtSvjtqZwzmjjei1579jabqgE1LaAtcJH8zEZaZ0aoF_0rTfvDA0qDCuOCIcv_XYultpYWf16EGEK0BmfL25kC0mnGuYkuavJhtz9V0BZFe4bg7xdCvPpHk.NSmhgcTZTGs90pu5wTo0QBjEpXTRG1dNESS2yQ1zqgmtQGIIVe79nG6LEtT5gnvRTnNk9XQTlh6oJiELYSvkas_M63VNXQuxFzHmntxMMr5zrD3wWx9t8ne2XqG42Aajt0JRt1Qm17mCz6Hn0hiGap3FNU0D7Oivx5mp7eljeCvCAe016orttXz5SZc8VPRCbs6pRqeBuzU83WPAI7p7oaf.XHOhNjPWYKiTDdDOS.ruPOk8hfL7F0J8rddjxjoXrs0QTirXJ_3CvgvD0pcc6A3RZPNVpHVEpR8hwe_MHuuTOEwuOKIrJO92VLk7TvtSX.4PJCd2YAdJtDH9QQdmIO4JN4kcFJhL6w5RpydZ6tfk7L7_fxqHguE6qwJnjB0ywgYx8E2WH4Q2bthK1SiQdP3vJ9JGP_f7MzaKukIc6DIgLYuiPhiYLherUel2OwawI0BRIGGPRgPogFLLWLglzbXkwVeUyOw4a_6NbenQrSTiaekEVKkwwm5Py1dfm5PprWO49ecGE1M5S1r7H.GfjbDZKEB1IKU.z_qI82_I3PxF3LjEhGWExGqIjRgDC4WhvsHtsbt5LO0oNV5pl1P_h1cUc7SKO4rS4Td4gw7udSkhd5WP.0H5.FZ4nounIl2SeorfFAWecNf8VFDxBPOtgU32_dSpvMvzFt6zftyOTxfVcqsNgT4SUy9UMr_0KUIYmCZVybo5X8sqYeYhnP8wYFKismJlzFDN5Xu6IFVKPbqNcv_Nvq4c6PSBjBdsB1FVnuHEXOCr0FTG1WQOcyuD.9C1Q.RCLAfaJ2nH1HNTLBASooVIQi5Y5x2uoFsGNUO79gfa68ztMcjZrYPoD0fd50KKZvbrMMQO5ROgCQoBzjGgc6LQ3ahVKb7Ajx2l.BjSdqGz5_LV50TzU2wwHvYnWSJkJYZG5XbhfgsD6.paOErXpTfTMqhjWTiIwvKM67N_vYv0brYzQCgkbpCyjDOj4CrkOZiilWo9toze32d4iPMRPpKRye24Ti1Ry7WJZyB20pSWb3IAhby.YVAi74s5LkkFd5Cs_oY1Wt2dyGjhj",mdrd: "G5T6eeH06aCeT1J.4VddIklGhtphXwsXzTibGFynHH0-1739177010-1.2.1.1-D19VsmxcXU.RD.QLl5Mc7Xtc2u_I.FLA5QZZAqvm57yPa_uOI3n2okmcduBfPNHPhNDaxQISzOTpjfaNurPtWGffAv08M9hjvY_j4b2hSfdABAerdB_moJPoFpXvDOmnuFbXgawNxPdTWyn_N..lI0XJ_OXkUJYUpmdlnuPI9ybQGFHRxJhmSCpZVW6EiGBXGK20rBjGfSBE8eFcu71CyZpM3gP7LHogK2SkwhxZedkwlqQlKyq0axqhzqrP4GoMG.WpsQwN9dZRdrfPKGxFEaJn_gFx.2yaGo4301O2SSg3gqF9l_pnxDh.vSPNBs005owg0Z3sQRIIvZPJ.uTKszw2oDDPW4i5LotaVdTQuEkm_mUcuKXF0x8GRZOGAHo9ZdM.ZSU5Tq7wVKOsc.EzqVSjpXLCgPz8Fsen6wTXX8rHkMOEcCE0fqFakWv9xYmvGtTFKE2n_d4iW3xH0nzVqMCKBPFHhIluvMSKoTlhw1NYDeM6.ZsR31uPEc4SA6nQaZP5Sves8ktUWHKsQ1858WWVTBYEngmBcUEjNTF_BRapHg0rv890aJRRf5R4wAEM_YHd35xWnNkHK.MNXsqnV9GykxCsA_EXq3ARhAWnK1515Rew15dFWCN0wgDCYP3qxx1GboCSsSXrxFBLR4UFcq1WjuGOm6X5AUcLrg9owWJLImiOlQtNNx_ATkFIPgCq5Ju23JSPpjazb9yZQyM9oAYz4Hc4o3t04v.GxRBxQVDPkkJDK.278L1NJzoJWmYsu1OrKh865Ajqq_nyw1IirRBa2J4zDCv1YPic4zE1Bc64shWiRKpNm6TX54C8f050XRN09v33Tm6mDoT6ISOS6FZlpudyvGPWiS4Y9kLPSs1WOl6oJ3HNG1xTBkYZqhl0_uZWn2QxGneheJiDdZ1LbjpauG2AKZSc647otntYfGf3PObOX3Y_nFyh3zt_GXNMDI57m851pdT0U.NVgR.Jq5C4MvoBkyHIV8NPkJUrcCKy_qQt9Bern9s0jpHR_KRGzuz_2dOMOzxEw3D0rx8ioEt.IKD0n4YymQUg2IrCcrjTAbPsMVsXHCUSyhLfRPlUsxtPna3LOZQlD4CafCn_5GXdNcfCx.jANvzXj6uP4bifsymNQcTVWydPxHrjaCHcwonW0ca3B1HDKKo9T7cUCQDOp36skaYBURqjfZ5g8qwpzaOtDaQM7fNfwrXtvUy6NygvKRW.5md3RQ.isinruAN0xqXV.rp4V9tujPA9NrT3na.qzLXCPjUTiM1gJ0_xNaEyccDsKPJzlOj3cCW8mYlfQjkbQOBEuG_nG2tDY5MwvqZN6pQY5q3tnw.CP1TqQZigwINOYP9Iwwum7qT8TAqYB4IAlbs2u3gvILu_CqjcwM8wnhzGpWmY85a4XSxOpd9kmojDLmkRp3kUbHq_aNuSkak9U1crPew7f.h6SBCkyuT0XMd8P7NZDM_0ZEqhYXuQ6p2no2reJXUEr5SHU6yTx0.0JOaceZ968ocRPuN0TPkqesyUPCB69qjuUDezZ7I.FaMfrEOd2fGdhCpDpWscusrut9xPMhJcPhxPCSZqtB2OI_HVJZJ_slvDIWxpRO72RWt_67tfzyYgsYttA3DBTbCcj.O7dZUoOay3hknz1d.i2KwEoRVh5DyGJyP2C6xQpcluUs4AtaBUM4z4da4m.tcym_sbOt2lMAExvFmGGou9WpXgUMjsSkg2cnK7cHvWzQI2k0oKyud6OezM8VnnjsYgLbOAbm2iPlfwptw1FjUBUvTCNXEQPHR7Q0alO9eBjnu9XGUFVtsJIR0n7A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90facfdb4fd4c971';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\/3821764095?__cf_chl_rt_tk=VKPJG0vugvq71YrmxFYKKkBAK_B9I6vklqK4R5sXD.Y-1739177010-1.0.1.1-kupdZI.5tF05XikJu93FqausURWjBwSsLnb6oGKuuDk" + 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