It happened in coding/unicode.php ================================================================================ I removed ETObf({selector:".obf"}); so it obfuscates the entire web page Here is the stats ---------------------------------------- n_run:1 n_root:1 n_text:12329 n_char:32909 n_script:6 n_comment:1 ---------------------------------------- Then some of outputs in DevTools are freezed. I couldn't show file contents in the Source tab of DevTools. ================================================================================ With ETObf({selector:".obf"}), the stats are as shown below: ---------------------------------------- n_run: 1 n_root: 4096 n_text: 4096 n_char: 4096 n_script: 6 n_comment: 1 ---------------------------------------- It didn't freeze DevTools. ================================================================================