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spajic
approved these changes
Mar 20, 2025
| uses: actions/checkout@v3 | ||
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| - name: Run sitespeed.io | ||
| uses: docker://sitespeedio/sitespeed.io:latest |
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лучше конкретную версию (lastest на текущий момент), чтобы не было непредсказуемых изменений
| Vendor до оптимизаций: | ||
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| devtool coverage показывает, что ~60% js не используется |
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👍 угнетающая история конечно, загрузили чисто 60% ненужного чего-то
| ```JavaScript Transfer Size with value 452.2 KB limit max 449.2 KB``` | ||
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| у chartjs-color тоже есть зависимости, одна из них chartjs-color-string, уберем их (!/chartjs-color/.test(module.context)): | ||
| ```JavaScript Transfer Size with value 452.1 KB limit max 449.2 KB``` АААААА |
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| ## Результаты | ||
| в результате оптимизации удалось уменьшить объем загружаемого js на главной странице с 1.0 MB до 448.0 KB и уложиться в бюджет 449.2 KB |
| в результате оптимизации удалось уменьшить объем загружаемого js на главной странице с 1.0 MB до 448.0 KB и уложиться в бюджет 449.2 KB | ||
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| ## Защита от регрессии производительности | ||
| Для защиты от потери достигнутого прогресса при дальнейших изменениях программы был настроен CI |
| return module.context && module.context.indexOf('node_modules') !== -1 | ||
| return module.context && | ||
| module.context.indexOf('node_modules') !== -1 && | ||
| !/chart|moment|color-name|color-convert/.test(module.context) |
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CI: https://github.com/elenachekhina/rails-optimization-task6/actions/runs/13884193376