jsperf.com: CloudFlare rejects my benchmark ("Sorry, you have been blocked")

This is what I sent as POST to URL http://jsperf.com/

author=Ginden&author-email=michalwadas%40gmail.com&author-url=&title=String+concat+test&slug=string-concat-test&visible=y&info=&question=no&prep-html=&setup=var+strings+%3D+Array%2832%29.fill%280%29.map%28Math.random%29.map%28function%28e%2Ci%29%7Breturn+e.toString%285%2Bi%2520%29.slice%282%29%3B+%7D%29%3B&teardown=&test%5B1%5D%5Btitle%5D=.concat&test%5B1%5D%5Bcode%5D=var+a+%3D+%27%27%3B%0D%0Afor%28var+i+%3D+0%3B+i+%3C+strings.length%3B+i%2B%2B%29+a+%3D+a.concat%28strings%5Bi%5D%29%3B&test%5B2%5D%5Btitle%5D=.join&test%5B2%5D%5Bcode%5D=var+a+%3D+strings.join%28%27%27%29%3B&g-recaptcha-response=03AHJ_Vuuqrjv1fMgVSOevdz62U7wTI-LaYJR5SmTdRe-CHym6YK5OpZjRlq1epjAZDREcNtzBc4mr8ZJmyN1ug0Gh4uULB2Rm2OFwJfjMfF1CcowqRRNNaTNLnkrt_kPjo7ymjK3-lbOjlGxrwlu35L_WQI6ic77YcSikEiS1dwMcl3rRF9hrYBU51ZXnLulvg-KXoTJDWHbPkT-PDlFnPHhXHl2MIAbfBPgNPaKnbcjt1J55DwxWOWTc7wEuHxgktiKgB4BB47cfN9tszaFnLtJdjiTiSDgS20nqylIocQfemq_HdjaNPcrMpd8QKYj-ZmyC897GuccyIphJSAB72pPmnWltqZIcEwEH_Alnw7wz6693VCE9qISkf3GTaKOmrnfGU-Vi_k4qG3Zn4v-IWpy2iP7Pt2vyXqljCoYQnxZECTriXxpvP_Dxi0fwdxQsNACBx7g7LEHTUcTThL0stBMKTXqwRy5F41krqpvqXv2sIdvVB5Agia5Zl8lG8hOEzHpBo1qKqZZGQLO3ETgH_qjDMa1bZDQLs6ehgZMyMgh0NyBTbc1PXhcYuJMoI3lwrsIGkApprm5BlEqnYOPKcqVsf-KaEabmLUbEa3z-hPmt6-19PKSOS3Vh2TpmrR7AAJnb4VBfCLDU3-0vfLI4SRLgGsWJz-XY_zyW6Zx-MtvZWhqxi3XHMkrXFSTnmNTv-hlDqz--RO26NZGtN4blKH4wFDovHPDLLgj9wIy2rupXqHIvIp5Ed6e4HAwgBvJKg5gZIhf2CpsJYAkiZd7a5S-DWMUs95srIxIuOU_pDWbYxPKKD4fLgA-XTLiMGHRSPkH2jlsw9-ar7XC2-FbiQ-JadYvRNJs8frApFsYNB184zOqB_TO8MWaL1SnDzQirEkTyP5CLwo3fQvCjb8328iekTp-OfF_z_1phwee-7Cb-DnTEtG8lN8IGAFAGdRi0HXZxY6E-o2Lm&test%5B3%5D%5Btitle%5D=plus+operator&test%5B3%5D%5Bcode%5D=var+a+%3D+%27%27%3B%0D%0Afor%28var+i+%3D+0%3B+i+%3C+strings.length%3B+i%2B%2B%29+a+%2B%3D+%28strings%5Bi%5D%29%3B

CloudFlareID related: 279c617266692ac1

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