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-affw9rlkq.mit-edu.top/post/6874135092

  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-affw9rlkq.mit-edu.top",cType: 'managed',cRay: '90fb26398ff7f26e',cH: 'hO8G.9iJo58U6yhgUr0HxnWOgPYlyDR47m1DaUpM._w-1739180548-1.2.1.1-NDxIqKYzWQRuRiw23ZHbLnE4HH77frtnV8KU1OB9JtCVFdW3BaWavxaAbSa5W0CA',cUPMDTk: "\/post\/6874135092?__cf_chl_tk=bVB0fUE2C9QYsvdxRHPFcq7xPbrYeODGpWUj7HZDX4k-1739180548-1.0.1.1-JkWbQ3hUqq0XtBVuGcA2DkjcbfmBZbxiZGv7eEjzsFs",cFPWv: 'g',cITimeS: '1739180548',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6874135092?__cf_chl_f_tk=bVB0fUE2C9QYsvdxRHPFcq7xPbrYeODGpWUj7HZDX4k-1739180548-1.0.1.1-JkWbQ3hUqq0XtBVuGcA2DkjcbfmBZbxiZGv7eEjzsFs",md: "9zcEW7KX58eqPFrHxVn2ugO8bYiqkUMe5ninRlbH4Jg-1739180548-1.2.1.1-BdZw8FO0ZxTDd9caLmLBfoXXZjNsAoT7LQoBot7w6p_Iero3ha2MFWjA.kxdXPf.vFJIb9ydl8mqnTRRYO7sEnaGL7mEnDRsqE8b3gEraxfA60nAxnKUIvLTorsgbbBcpV85B.TMmkGJgmLd7_tFtmMcKGfFeiIHVbuqLhlrILjjeVCv0g00VnbLwSPCbTHiXoEAi1p9L8kcZXVj20PtPL3GN3iGIr4DlDmrUw4Q1xTsptmfz9avpUp..CDufij4OpVSDRgdHU2041XjQn_tQQ4AnfLZUGgb3cUakUnedBXSbAsvLxwpigtqG.WmNp907PcOtipL64Dlatvyy9ObFSxJM1GMxRYwz4j4I7Mf6L8eontxYWRyhOfE3GxSBPskuYs0AAzbzF33HI1VXFkVZqG6Xd1gbR6EUeZPmIneYb5_EcJGd3wHLkYJexBHY.5xGRcgqm_LonCXtP4D4UMk_tJq5uQdo8lxr.Ge.JvE4umC9TZH66YjKuSltcb5eOnnBJsrSQzXN4bTr0uF48zWptbTerP3UjwRDIc1kXZMRWs9m0Wdu751GHxaJDm1RB3DpBl1oYevi7_l9g1SOrN.8q7YdKyvHTcjCuTZy1pZxdhap5tsk2Vy7pB9DI7cbg6S5IYvRFPQ.VzKS0uzoKoiqPYwtvUOcAJW1O3mjZQwO0A7XOhRKyThpBNLTjNJ3T8npzpgiqA1xbOjFRTnWfai_Ou_t0vFQifjBIs34NlO7nwKXFIYhWnX.PcibUeIKIKkFokYIPkOinLJ7Xbl_5yTBbpK1.u3fGDCIOCS_BzkXfI1TvJTChKZcDVrpR4PMk9jeacSdOYHgYLBvaaEmDqwU_9SBsdeEA9QSadX.H5tfNDBUPND2gSX.yUMRDzsZoMMDGfETKmLG0wczCuCLG2g.tLTejgxtN.D91uEXsRUwKKAs0nG.scJCXVuaJwSgdhGzTFtqUyjKhpZJhAuEkczu4y5uvpfbFtdQJULcPX32PSklCid5L73CUQmeQGNNJwUArv7skZeXp.O8O0QuVQCr5p4o3I__oTfMm_9OMe5Sj0KpdFSNiX5vtTnU_wnftUSXDwbigOqJd14ZmXRS8Y43fKdQUHrdpoHtHFuleEHOAbOu5fQ3A8k45CPgUYGYZRJyprldzHI6JRUIqOoWBdBDTk9jkHgBR7t2wFA3gyGAwb1FwdsgvkQuSZKNXtBsJTm2DLj.jjFpntIVhH65J4QBkG4mta_NNI2Vnt8PyAT0P2NmmkxQ4Lyd8tRU3_nagxUdsI.UADBzGqhDLsxKMQAuVVS7gPZ3suiYKlKe7Cq3jeSL5qy.dVOLfu1IvqU_3NmOrp1EIEOhgrMXS8vDh0k5KkvXmmUk18luFVqb8G2hDLKcL8I8YhekkTso6wk7mAjUGg4.CsbUsLHGnu7pwHlIzEfn2SCyF5Y7w7UV4OK_ZHa_wIe2t0CrzHDWS.lL2jiKaE.1jAvQx7IWqKxF69UAP8aueQUK2zaXz13pGoolSoI9Cej72cKL7kPzXA8rd8kpJANGcoXKeXa8b9903wYi7NFUQGaJTcBl8FV.tKg.fqYBnHKEFrF83JUJg0bcB6jqYEdAZWMS493Fos.HqtufKwoCinV3lOb3CqhqKM586VQIymZd0QN.uCAiWCLOC2N3N1g0XzqFbM_FBoMZnoqI156xwcwb2K0o97kJ.egk87r8UwJ.B_KW31PWizgyWcmvJ2Zx_TDJW9IbsK_Xt7haENOn3E2jY7mnOVlrgpuIzXDNraTtYdHB96IbENFWlRdpINLB3wHU.JsAL_rdi.qhkzaF6fInFDC9rkAK5YlJRssxaYvwUYGD4CQ_5l8hgbtlqBlxlGYp_Bt7n6DjSw8HzPcGphBBkVNW.BTqlB.xL4uRH5ifVYZ8IS4ncYCnb0xzOZfrCPCZx_9Ds6NXVLr5jmQDGzadOjtIRADS_BmFByzXiCR_K9bucPYghHKyTpbtMvP.ATRSf8tEXH_cOC9Xp4HeP6ikehpZ4kedbR.zmBtcE5xSmAqAZLOBzNbwopL1KibDcSeIftwlkOajnEkZGrowSS6k5dSs4B8IBipzawTqdeZn93q6CeIeYDNtuVcWnszMCheYNjkM6y3nFGT3JSHImXkCV6fOUQbBuA1jp41AtfQB7hOYL.t2B0gPuAYLfglJ7d0HpAJNaTfsUJLuhfHlySkydK3lAjq0SvT2uE.0lqL72AUpcscIe4jnjem",mdrd: "fhLMd1BJXVRYjgW4eh5xvADioX9WWCdoseLGrLp4F_s-1739180548-1.2.1.1-YwQlih07mzUGGlHsrZQ4I2YsCJqpuqHCbktI6oO2P5lcSPmdFaQJoB3wXVbMSZaX.Bw7J9zP59RP5A9DAEV3d3qX31GHrekN9lCgSu2sERXkD7HV1VCX.xxgOWRpf_VmsTSOCkrg4sreNLtnFCagQeW20UDimNzrHvW84UUK5Ouutt1wnM0lvq8FeSg1.2f2RECrpBL1ZhBmXnQ9RJ_tZf956jz8FMj6rVrFMhRHfskXTWq8eBQCFVvsSyZXA1cv9n2SIl8ux8HePixrp2BxZEDC8352Ou6mwI5VU8d6AHvzSkQ_Zmx1NBYPM1klhlVtaf4Vd44jK9MzIR8sUO2YZINW0mdzM1yy_9XtrsivuQa6hX15M.fiENUBTVAdaQ.DV_5z00q_HUbtfJAJq2V1WiVM8KTpqTtlxFdimTjIFVqSPH1ZDnmEEK8xO59XVtGSR0mbW0X1DWhwL2Vlbtx67mZwDStX31tgRy.EKtsj62AUlHAsnVU.CdFkDq59V66.ESMENc43mdQy.s08gZSFQImcGQEOqArtmUEMNN_sSvCj3aodjeDppVc_qOk3z3jD5uFMWdO1NxATT96boBaE_6OM5P7tEDvIHg7kD8MDzIC3zJ7VVNZvWts5a5j2zliQBOplX4mDFOmza73bnEtJHP_Lo00qeA1D2heT5tWmMZ9UOipk6tMfuZcDYlkww1.Uw8B_Fn8Hzd5ydRKAiPCn7vvM8bbNfagcnFDNsICkoE18pgfXG_KbKPcPjEKJortExjPTZbwT09VvWUsfAvgHJQrMmIQsPp3oCp7iEtqru8uB97OC6ujeqriHEWsfrOvkixZJ_bBNBsKWm2MVngOOsrkZCAh9W085rfolRyBjPbg1RxcYTpTmSG7TBgDNCTxjAQofA1Q8GQTnq71LrQ116SW14B_nJQubMH.cDa5bGwTtJrP8xV819STf81rWwbT3va7ZotpzBQ6DK1E6UIi6yilAQp.lbAVkAOp_I6pGfmQWippxcVYlHzBG.RaANGvGCjxzWmctIV1OR8P3jSJqlVUZw5WJ9H3seqnkgd.2c99HtgsyG_Ys4JX8LXoGyy3bjwSk3Dv2mAvLHTei2705TCrPP3CpFSlUlCa0OcgPej7ca58w7oGEIfFk29Lr_aIjZTz4CK0xWFHUzuTQUFOxdVBPIXcbLv87GHGtMLEP75pAuOTU9mw5leHP8FjqZ1ldqqim1jzETS82chKrKvEaxJAfcAVFrd3ab.WR5hhykkd_9NfuZxTRnU3B7.qI2knZMNNGbYY8BrE83bet5qru6T5KE.CUdM8SXxcOmp6M1a2AHD.APukpnYy0q92fatAariVIYsjCUYLXIytJRu3FJnNFaYwV2qwR560K6fUeisqJlyp03vco1psIM_o6z08NGPL5OrpGtykwvnpnvTiILHhWDw4pmMcMee7ZLHMqKl74Ce9fAB1nqAjBEjBFZsedosXdDzxFsvOXW61R_.vlNASBV5K9beGdFcj1gFllqxxTMSKKpsZiWrqqq3r34u4EVIgbFE7.95HoGoUX087m0H.86NmSBTp33pKJIpszK6V5WlmzNLQxVVYExTeFY2.t1ewwVK2YS6a8mVKkpVSih5PnJyFtbAsLDFa.xVY.4fK1tMCT.iWABil5m4PWTcsZqaBRNZrXEuBwxMP7sSFemMLo2dEeAUiRN0KhITgS53KzOoIGJrqFG7hRy0yK9avdxYLTuOAStsn1HXt1Zl3GLuayS6Iy6kZDhJgfI59qGOM1AFRrebBAuwVmHzftD9yEAtX1ezgVitvT19YNa6EE6tzgheW.6xQJ8tfhLbPECm8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb26398ff7f26e';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\/6874135092?__cf_chl_rt_tk=bVB0fUE2C9QYsvdxRHPFcq7xPbrYeODGpWUj7HZDX4k-1739180548-1.0.1.1-JkWbQ3hUqq0XtBVuGcA2DkjcbfmBZbxiZGv7eEjzsFs" + 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