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-843889562593.mit-edu.top/post/4716905832

  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-843889562593.mit-edu.top",cType: 'managed',cRay: '90fd0af63d840a8b',cH: 'l3SyFGsvgv5jFJYBJuAqzcUnTN_wp_ltn80d8YqNoRw-1739200402-1.2.1.1-o3R58J41oEj6p_3jPvLgcq53UdGMMh2pddhnoHj3G8GyLKjetCMmtGqC4nyOMdk6',cUPMDTk: "\/post\/4716905832?__cf_chl_tk=mMyj46KGzKUEDuCshL_rPRlop.YGGO6pqrkzZ4xrptE-1739200402-1.0.1.1-H0.dXYXYi7t1WmiKigEygTu9mRgY6u9m5n44YjHlV08",cFPWv: 'g',cITimeS: '1739200402',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4716905832?__cf_chl_f_tk=mMyj46KGzKUEDuCshL_rPRlop.YGGO6pqrkzZ4xrptE-1739200402-1.0.1.1-H0.dXYXYi7t1WmiKigEygTu9mRgY6u9m5n44YjHlV08",md: "41mG7pAN7LU6KvsRe4cmgbysulrJXCpRm0FEGDqSWm4-1739200402-1.2.1.1-i2bnhl6tcuY2QELEEn.0Fe3K0.if8LrtLfZRYWXmsoB.UTdABJEDWpqhCsI8pWoeMJXg3hSu4ZNtVPNPmW0ZSNqjnQUsv9WgdR8mYyGoOscDaRNkAV2N9dabFKn31eHhJLMuBp5Pwpn2a3Fn5BIVMVBqTINWV5w8lXPOFJpT2xJRR3W4UuEz68DN8ehchyX_zoaI5QEXKld2RitA0rQeKeVn33RaNwCurg_6LtLyO5NvrZzw17lPw.Wj9eD2Emy39MK1xVRw4ZHbK9Dkn63lSHreCJ2uhodhnqm4sgOoty5eB1G_b8ilxt2N6g9OW..XVAxFzw4Us5cKRoRA7fuJZh..1WboZmnDeJy2FAoFEevqpQurYKZGe2uovshnpkIvsvvHWPMkZ_T57hjjr62hC4cvWMl.YY6j1Pgv3zthy4PCi4A.ZzBuBS4LCrm0Ya8HdxjI73UKUltKTNnapW0RHcIA.ort6y5jY6PT6bwH5aOM5SH9aONqhKcqEE3G_0T_3yVM6Q8tkoNvujRno0z9rDHtJ5Vr_XLNfdQ0UYNIh8kJAUcxFnrkgwqO8B3Hmqispfy8k43U1ksb7v0o8_bh5H4l9c4Tiy9pvoRJ4ygf78RyWmEk.m7a6UuLQFpVEaAyJkNQ80te7eoSYkmW8NZJlweUCsj7VLZ2bBuSiK97vNbxBKyMtN4ljEI3AWsec8doS8LvOQpSWYFjGB1XfoLoazSHe3u8XwSTlpS1T96xQRBow72hN7QpSdTMSx4Uv3WVimSlSxFpbG4HajIjFc347C_ZFg9eyzSw6N3IMovQjNvI3FyPr1GINqsRIKYQKzinEDX3lf_zbghhoFmBrfFxvSgmqcIpB3HJjmlIcFlninWGWlhjkh7wSMmOucz89IiaN0WNjVfoAKLN8b1wghvmz91nFWJSiXJ3eKlKpPPO86XkKwCuxHT3AmiqQg3SrHR0HfOx5d91TJDNX0Q88E3xgdQISeWpTxtcIROaQnW8n3vriDrI837pz6vJe4p.RbcKMr4ac2Y1t9ccUcLT4SLFYnoDxfqsyfJ.GtvO.paIfG.qdyzlVH6w52Yugyk7MhnrItcirZnLBBs8VqMNC_fd2b4Gop_9b_7vO8TCmySdNkyeU2vEsffYB0PHQyO1L7wBB4_GE5zjlLykncS8TemCOxSXfl1pemXUkjnjV.0LCBCgeN9bBaa.w6GlkqMluiZWqX0RzCHYBPgf1J1gxlG3x_mI1SgjlX3I6dbdqoKccw5ZXhH66M3khJqj7cutYU5oIA5Z1iwmBNlymYosILucjcWEzkWvECs9h3Koto88goMZAFlIVCRKE8OQsvWMbM6SqpbbCf0xHrxS5hEiIS1yJTiMrfVAP7rcPAm26C294lNBndhdyJhZkjWv6o7.LYHry7POUoD_7zQboueZo7d4yK.vXa5IKhuHJZ_AnB5zhUcVFP1XE.QTRuy_FKLCBPTJVPu_4riHRwjm34m8Uhw7jIpblsVt846Jqpe4_J8IEiXyZrgUakrTqYsZsDq.0LYe7ljH1_hP9x8kCceqMGwSVdGTBQ5FVKTz4aGGvZ4FL246LUZ1TH6E6l69794Y7LaAQm9LgdzPRQRSTP7PfOFFFDH6rojRUKpfCT1inDsMIg1nixsjDG9rY7JNN3SYqi9SOtyP5fiidkwR7C9NZ9Efe9U_C0.L1e1QYuyRc.mTTRfZtnnCNYu4wSneSlstYKC3uKO1BqmYP9zwUjfM8GS6MpKInIgzQFzy54TcxuUduckEGMj5UjZI9OLR6WCo9GPdMjkrFUpkBJoJPEyIB54WX3HZTiHXd8wY0hOOeMl_yp6ZQksH2lBQWZt8x4j0QPyTamdRXNW59NAN.ZhdvTi_7S.oEcvfjMMJPZPc5yLso2FPLtq69Herzv3kASpSCwERHIbYEh1VZn6a7JLcp.styo213FUPGDJbt3ym3uV8j1YWOzzgEGnO3eGEOLE9ngl58jST8DHwVw4QKYNMlm_FRydswZEp7xeLSKFnm1MZ6dQyva_JKR64tV9bCEmpB1WdJZBVroMLwxWITj0hSIMmJ_Z3jAOshFiybP0TgLtVCRTn4qUPu1lZeY9cMdNwmQO5NoiqfqlTiRjzcg1RbaNOe_PkgrlQo7vROzicte.4jV3IwhG0XIt7KkvtDMTPVLHPbdrpNTEK6vDVB.jXDN6KWcmmP09yNVFSEwp2Ys.Ne79fIr3blnWKi2myz3VMug0l",mdrd: "CZ2whQDiyGexoTQgPfbEzK5sYynyBvdeAmqB9vIbuo0-1739200402-1.2.1.1-hDXlfMiJhqEk06dQ3G_o2A8sDnC8evBchkXZVUPSrJjF7GGrGl4R_xUqUZyAB46Ja.LdWZG5CNc89cjwY8XyYKNECUIyhNL0Ez.WypLy3riTJsMh8r2_KaNlRfJRhZmx24ztpntghtKHdVbp2yZknQ_x8LepDofYnl.Z9ENSi5B.5833NCd1csDLVx26vARHHFu_3HBtPuY3IhXWdnChTsc6hu_s8I.G_KSVOZ5SX7G7Pkl4t8ypAYUX5RgLDVQR5PLm7cNBcVIHAw9cb4V6u4NiPcNdU.daeB7pULdt3fCshiiGmJQpuB.7mqJfpeT73XHLbTg9e5yQ9mywD4nSE3IsrxTjGFoJDrvNvaoAWGAifbq8VNmSfDgbQUs0HZUzluva33EI26lg9kgjlhT679f2FFwdODdebEpuelvpOeH5j5et8DNcDbvCq4FOHAH9kYLSI0siWf8jEbpdQ0INm9WIsnBcL29cUy_dBRNbMwSXj7H_ldOesQwVYRGP1XeDrIyTmETrrM0FlTd_Zu8vU3apOr51onYknuO00.eVUwbFHubRsqMXGsLh7WurR12zzM7I4YkP7EvLCrftTsXsvieplprG98hzdWWBFujabvNfVXG89HoAOLQeaPEL0HnaK.8zeEQBqKe94N0MKnbSqS09RvoFQmYMwzQOr.g0W0crc9RR8Zg9NIIcx0cf5QTK1jijNcRAEmAEtRYTSKkkk.IRckQBnvInAoTvkQnpf1PwZBiIIJXXk25BIZsZm3sP_m_.QsBNmq6UcZQsUI1QMGUJiPAIvCuF6oRF7PqjAznui6I8kWa0PDlZySr7qsfOTHIr0iXANExAtU3POZoRNMNL8uE_C9dRqoL6SC2JtIy65hqn7NBs6URW7IE1WgakQjT4Bq589CYzZMzdlUe6KfbFRZ9ZuAbsrHMNqLiQeSVgWrnuXIEynz7ciz21Rc71AccxG26Gx9.QO0bRCmEfIQ8AwfYGBrzsMQMAIE9j1L38uhWmuM2Ro5zzjV3l0AvCTFakYMWSjoC3W8tCPbh_iKrMo9FeRYr0zcp3Aqf3JIJTIiMHk6JoHK5QhMs3wiH5RLg1dEb.1FXcwVuEQ3vGn_HyFd41pwI6SPMLDdeG6RRuppa4XZo1By._.QL2OS9MRk.GueW4ZTDvL4fTr8Wdcb1uD76w4w26jffGEoC5GhY6m9S480WpH05iPjdkZak70V7dUYCxpwOWJpT8SQKKji5Jy6f1abQRjbc3oIpaxlNt4B12CX3KY2rtOAYhUBOZJsYpwq43_iirElbkj2uXZsXlh6e48Y4yHJrNiRNoHD6WVLtXb6UQZun.2sCUdUEsm1wQsiR6SmKbqngjjWmlYB0CxESDQ_RnaQBBmGRt2CODNzdLu3iBIINP5psm8LSzV9ZbZL9nZaYiDAuNUJh1U6hIqe_MNn.4KQrhD6NJdb_9B2rEYVlhK1qrUgMfzImrFRWSKPb6Q_MNjj3xPZoI8IvnHP3w_1OCHEilnwGTigiINDo7R2aJJhaFb5aCKfGob1hyDOOjtpCrm6HrAURQRtX.HozVc45GmIPZIXDuHBl5qQ0785wEYqjevJkKITWiS66RwthvwaTRHyYWHWTR4m5fsz5OYA6gryMct9U9sFoxfhtmiIHknmFdyuz8CvHOS3ZxEaODmu61_n2mSBMZ0ACa1SVt5kzwjX6CNTV.z2Or9lv3Tx1xlfOXbujP8yhifzD.oAcIxP07_txiJ6PeWp_aJqhP1LgSl9kNVQ39sWRoY1DbigSLujiiSn7EWU14wLTCOLblOZXwUN1zK55Gvw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd0af63d840a8b';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\/4716905832?__cf_chl_rt_tk=mMyj46KGzKUEDuCshL_rPRlop.YGGO6pqrkzZ4xrptE-1739200402-1.0.1.1-H0.dXYXYi7t1WmiKigEygTu9mRgY6u9m5n44YjHlV08" + 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