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-398914214532.mit-edu.top/post/5603214879

  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-398914214532.mit-edu.top",cType: 'managed',cRay: '910799c9da5c080c',cH: 'MqjZuwHQKv5OfCRsxEFgO96kgH0fmiRQaAkSeV.V_7Q-1739311110-1.2.1.1-EJQNAKdPuf9iMPS6E8qGE_CnLCRdeGAm72vDPcQSzijxUpHzA4JX38HDVfA8IFdW',cUPMDTk: "\/post\/5603214879?__cf_chl_tk=psto5sWRGnbtbYVNKipstN9_ugmhNCabmd6qoNDBc9c-1739311110-1.0.1.1-ZTVXKfh_LAhIV.dO3O72iZndHcurOkWWARuvPQM_J58",cFPWv: 'g',cITimeS: '1739311110',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5603214879?__cf_chl_f_tk=psto5sWRGnbtbYVNKipstN9_ugmhNCabmd6qoNDBc9c-1739311110-1.0.1.1-ZTVXKfh_LAhIV.dO3O72iZndHcurOkWWARuvPQM_J58",md: "mlLU7K0m1khBJTuDbCiNoAHXpI0yY8Q5feT4PkcuCXM-1739311110-1.2.1.1-QJg7o5w0Xr8_sz_TPpjX9s9kwKk6XkCovylozLDXHS4_n44kieEOpo2V8DWCOiBJvOkvHEgcfo.9V1ZzlAJBKTgsvpMgxdzym6sVO_fSdYlfbVBddLAvrwG1ux.9O0MotoI_mHs84SUW5E5sI..u8P8K84FP0lyV93pDyybrHbofh1lAcnhRp_7V5p5KK.y1WWwEJTym4W9UbFHd8JvyRXLyxe1DtHhBmt10OOPfOXO_dggv9gfjkLXH6fo3P1zaYrbv2tIbBjtsFYTi9tiZqsLQ7G3CqkvpBfzgWPYLnDHZF_FvaV9pIXrXn0BfkZX0rEoUeZOvfUulcgtijzjUvvl3FvWI_q1bdV1p1aEpjNIDJe7uiDPa9zmWalV9Lzj4YsAdRLzlBJTYW.AAmOHSPVRoL.VWG0cofaXRjSmzxlztAcEY9Mo0z.Mb4Mln77CSRTa7sfAwK6WTWkmPqUhQn.qzNve.4CrQKqulvFpVWRmcgjSDUa_KRg51.eAr6V.HrmZ3qSLo3RACFVlNykcrtCDXCacljGq_UjIQ9etRA84cpnQOBJYfE8AMGZFKQoWLeppRsIBHxJfgT7kLdBx8PeehX9lQ2a76_wOWMBe1JvNDSswI1KyLg2sDq6TCSZo8Or1pQVcVWomOryxpXJCwwOhOfH6i3_tIMXRffdoEPtoMQibpBljEa0noAKrjNyio5klTg_ZeNCJkjpHhzYLWHSnFJ8DrlZe3f6Y.ePsxKXpR_6Zd40UC2GDgpbcBl3P6ukbeBEjOxCveg2PY4sQ1_uBh2pfjCPkHAQEk7l9hSEyhyKtCBpIx1laUlMRlwCp3kMTKl6EwUEv9TMvCas0t0F60G204_pOUzktiWeBjro.R8t11C6YoMgCyLmau_7a.lXURkyN7rSQovSUMY06AeiG3b9g4Xp6J_rVxGDvw2pkczFS.WbRSslPqF29uaMcBu2U14JlZ8uylHkvZior0y.xewmGxKNNCZcSveB.02Lx6FinP2U..q85H6NhX3rkzqtJ5ANS.3.AxyIlGGr4glDiNOV8V98srOUde1R.gf89oNKj2hHg.yKSbI0LPNodRsr1dREIJgks8vY_1OcyDTauP2UpYecJqX8vvgFDUpbt0wBr8hmTrJHzvhqexNugm0pEPuf26n_GjYVGBnkJdqEXtkohM8CCDQkz.8Dca8Br1p_001eh7jw6RLA89weV.KfDEZemlgH_.KXJZezufCsC.3_bDUkAgmnAZUxbh_LZDFXmQQ830Hpolq8mxUUKQCEAC4gCDKLPzCtz0pr3DDX8MQyvIds_dE4qkfNgaYwmlbjTqgQdt0k3R4G8zh644K28_e.qbRfi5ycc7qKwvncke7wfOlwrpYKSUMehpN0l5qXLYfEce_N7cW15aWxAONkc.yaFUPimYy4b1ffjKqtJUuZ3ISUgubTBht1q_CNtv4JqKmA1jwn841eLJK6PhVxrwd5G89ipVzZwUvdXSYYQjyXd4Tt9d5G1mifClu97KJzVVDLwVfOeBhDpkZVoruYWwuR_bYI0k6vf0sSwjM1vvMBTE3VEXgdATgZNIw3YN5.T5futZq2FTxM4BDlGbvs3Sj6Qvz_Me30AzaYaA_iZcXnzJiGPa2kDuXctX2pYciVPHuSTDaooVFcaVem8pZipJKbGcxRGpb8g_mxZoGjWbZV0q2WeIGWT9HT7ydzuy6iF9tGql0xaW05fgm01RbVhvJKJU.eh9zu7Mnh1fQeGtDjOFoVfVJ9asrXIZFnNhR3HFiDdAEp.tFKJUdCZcfL6Fu2CQ5h9E7w9aMCAOPgUyFgi2Ubn5P3yWW2_89Pxkz_ZuJnlQh6sK9kJHPiM1KPGSmCmLY32hGUP60ZU7SBJZb_sBYNO90nsKQdP23UquqlnK99aRathGPqQuT8vnOTQKD9g5uovkkjLw9Eg9RSYdGJTK_HNK3zctUyYQVqz7Zk4MMlnAHdQnXMmBxmINTMlhrkUSTkI2FvGx2fmKS8C_7hHke4PJ6IXHp_hOqhtYHKBA.NSpvHcN7Sg_iQwjkZfeASnXtFFg0m99AEZMIU3UwO.Cs8auUABtY27RCQn6rmyBCbNN3RPPFd7RlZiPn6iEBzZRdgUZdGYP1vJSuXedAI2bo9Dk7hAwxhyEim2wKQxGj6ZVJr1GLd.VDTWJTAmxA3V7jTRm3pzXqh5z.mINdOB5YQV9vX0vO7Kk0l4zlrAIIYqPVD8At8VUFssQ",mdrd: "8MdXy6zOo1ujdx171zW6hYdFL9g3Dd.0JAV26J6BKVE-1739311110-1.2.1.1-PnfqHn1NF8cr6CwrymOSxlRegDFSn2LcKrOeI2rC27yhbWybIYT2Kn3X05WxuwO1C2CtvEekQwKZ_ReJSUR3TJUj9BUtszWhxaPLOIi_q31rgNuF7PaXXp82KlP9OfL1nzgg6ImRtPgxRDEPcvQN9bspcQKGiXZdssFKyPjBndDrB0sa8AH8t2WHpSg.7zqXZRU_GLJgp98Gksn0RKY6BpXdIIdCRSUrjLm9CJZuoRNNTcmlQb1Cpfwy5zeMrQnHqztsITCDeF6_8GT77jXyL.DXYjEX3L78xfiDlTfK9Zt_bXlI58VNqf6eG.v8W4LqX7uhvRjhErCxtkglWy9X5_Rmzu.s_041DV1tQgZgR9D.sz7vySfx_zU1QP8G92vf.Rk4ERGpIvjHvPyeGEcbhGy6SDdqM4qARIDXJq2STseRN1bRMjT17j678kz0mQU7F3_ZpuI.2TvFaGUlGg6FJwExXWQpBu.iM38iuvQLFqaCqEWfVUU57InMJZ5Hu92rb8Pro8WR4HYekr6yajejxgQKYRTDoLlVWb3D3W7T4HoEo0YDI2WHYGZxDtEU2Kz3eVmPlsNOfvUPh4ow8gsb8PA3pGJIs2dhJFPReJP2d_RsrAnRWyhGUStHvdrqLTrU_vbGJeoJ5Kw0sFE13QDYA944.hPqQeHdpoLa7saWgluY841JmrXgRHMsKZCMLKE230r.MicjVgXHomGSGEjtdawthnSaehSxJN65PExkSJThewhmqcOnSMDxomXrBNlRbFLE9FUuEq68pz6t43pXPj7wmgcfbfyoSLcoLui4iHfrGeWVHHcRLq5rVMJMZrcKh2mdVbcC_vzqs.8sjw4us78DdaaE4LxylgiH_IXl5zrGUKn7TnQ042QL0o6gdnMIQp8cboR0V2X9lZ5HcPPhZghSGKlWcpUQSao9Ra20snL1eDCYOeQTtMBQsx8SAGNM0Jatcw9hSlgegVn4VRosgVV.AiGB5Xc_7PXYX9G1u0eLAyDy41.uswvuodZb64VoBGppev6AeTjQ1SdT5IcxzOwOY89cbXJIAt7pL2APMYPkfKqVifvj_n4F1FQZzUTvGXChJ9zJgKjGyeotl57uUV5kLRrKrbWLYCFErqtd1wynw1XWH8gf7svqeyy7Xr2wRJjZrIhDJuumF8hn5VHUvU2_m_DJjnfE1ZEJ_hMFVTeYdZCauU1L2uAz1cnpzatGhueWqfvwuTPFYDKC.wohuB9daDsih73FqvE76Y27LnbctyDugmTmWnQG8ji8M3mmEoQr.kt7gXDUBPfBR_UqVeuUCkDCnTv_hIc851DXLylK_e7kOL2BBCnDfVdE7Os4ZKPb3v1s67oXC_wC6mTyUSQXFG9oSwuipKQ3knFfv_GloeGM8rTAqEAX7XfahP7weWAhCn9C.xu1xgke9ivqIvHJkw.IRKFuDJuPR1EQbC3GlK2Xz9quZU2CDt45ozwGnQB2SZ_NzIzAcI_K9Lx2X3fKkPUiGlFUi_JlxK_S.5QZzCy90V7e85qPNQcObUfmDvtmZw8yX1Fx_t1Rtp3ZONHs_qO.BmbT5nIpb4E2EC5zPA3m4x0pwIlnTqyixNj4f91U7IyMZH7Zpm41W917GGkRNbr2tNG2OC.lmC6ZIYJWv6JnFE1ah_foEOLt5j6O59rGNCUOw2zOMTN2K6U7VgdwrvFYZVCSXoBH7tzgWmFC368ssCc65kxA.okBnQ.yDdQzXdjZPKNd46PybOvFD40tf3_ghVHWeasZbYpHL4TpQk26GYANRsxnrG6MmDKnGNPoSf4sWNkm3a2JzcIuS5WWuFomMmaWdMyNbZa2IUY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910799c9da5c080c';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\/5603214879?__cf_chl_rt_tk=psto5sWRGnbtbYVNKipstN9_ugmhNCabmd6qoNDBc9c-1739311110-1.0.1.1-ZTVXKfh_LAhIV.dO3O72iZndHcurOkWWARuvPQM_J58" + 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