{"id":20630289,"url":"https://github.com/muhammad-21/dev-tools","last_synced_at":"2026-03-19T16:49:48.679Z","repository":{"id":236624334,"uuid":"655413598","full_name":"Muhammad-21/dev-tools","owner":"Muhammad-21","description":null,"archived":false,"fork":false,"pushed_at":"2023-06-20T19:20:14.000Z","size":28153,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-15T18:55:33.320Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Muhammad-21.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-06-18T20:19:07.000Z","updated_at":"2024-11-22T13:22:05.000Z","dependencies_parsed_at":"2024-04-28T04:37:00.992Z","dependency_job_id":null,"html_url":"https://github.com/Muhammad-21/dev-tools","commit_stats":null,"previous_names":["muhammad-21/dev-tools"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/Muhammad-21/dev-tools","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Muhammad-21%2Fdev-tools","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Muhammad-21%2Fdev-tools/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Muhammad-21%2Fdev-tools/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Muhammad-21%2Fdev-tools/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Muhammad-21","download_url":"https://codeload.github.com/Muhammad-21/dev-tools/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Muhammad-21%2Fdev-tools/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30372127,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-10T21:41:54.280Z","status":"online","status_checked_at":"2026-03-11T02:00:07.027Z","response_time":84,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-16T14:07:25.105Z","updated_at":"2026-03-11T05:02:53.945Z","avatar_url":"https://github.com/Muhammad-21.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# **Анализ открытия сайта с использованием Chrome DevTools**\n## **1. Network*\n\n### **_1.1 Профиль загрузки ресурсов при открытии страницы_**\n\n[HAR архив](./Network/www.gd.ru.har)\n\n### **_1.2 Неоптимальные места_**\n\n**_1.2.1 Дублирование ресурсов_**\n\n- 1cont.ru\n\n![](./Network/01-resourceDuplication/1cont.png)\n\n- bootstrap.bundle.min.js, bootstrap.min.css, bootstrap.min.js\n\n![](./Network/01-resourceDuplication/bootstrapDublicates.png)\n\n- cast_sender.js\n\n![](./Network/01-resourceDuplication/cast_sender.png)\n\n- code.js\n\n![](./Network/01-resourceDuplication/code.js.png)\n\n- data:image/png;base...\n\n![](./Network/01-resourceDuplication/data_image_png_base.png)\n![](./Network/01-resourceDuplication/data_img_png_base.png)\n\n- fontawesome-webfont.woff2?v=4.7.0\n\n![](./Network/01-resourceDuplication/fontawesome-webfont.woff2%3Fv%3D4.7.0.jpg)\n\n- jquery-3.5.1.js\n\n![](./Network/01-resourceDuplication/jquery-3.5.1.js.png)\n\n- popper.min.js\n\n![](./Network/01-resourceDuplication/popper.min.js.png)\n\n- system_gd-logo\n\n![](./Network/01-resourceDuplication/system_gd-logo.png)\n\n- user-recognition\n\n![](./Network/01-resourceDuplication/user-recognition.png)\n\n**_1.2.2 Лишний размер ресурса_**\n\n- JS файлы с большим весом\n\nbase.js: 767kB - transferred over network, 2.4MB - resource size\ncommon.js: 389kB - transferred over network, 1.4MB - resource size\ncommunity.js: 383kB - transferred over network, 1.4MB - resource size\n\n![](./Network/02-resourceUnnecessarySize/js_unnecessaryZize.png)\n\n- Шрифты с большим весом\n\n![](./Network/02-resourceUnnecessarySize/font_unnecessarySize.png)\n\n- CSS файлы с большим весом\n\nfonts.css: 255kB - transferred over network, 339kB - resource size\n\n![](./Network/02-resourceUnnecessarySize/css_unnecessarySize.png)\n\n- IMG файлы с большим весом\n\n![](./Network/02-resourceUnnecessarySize/01-img_unnecessarySize.png)\n![](./Network/02-resourceUnnecessarySize/02-img_unnecessarySize.png)\n\n**_1.2.3 Медленно загружающиеся ресурсы_**\n\nБыли выбраны запросы с длительностью \u003e 200ms\n\n![](./Network/03-resourcesSlowLoading/01-slowLoading.png)\n![](./Network/03-resourcesSlowLoading/02-slowLoading.png)\n![](./Network/03-resourcesSlowLoading/03-slowLoading.png)\n![](./Network/03-resourcesSlowLoading/04-slowLoading.png)\n\n**_1.2.4 Ресурсы, блокирующие загрузку_**\n\nБыли выбраны запросы, начало которых произошло до этапа загрузки страницы First Paint\n\n![](./Network/04-resourcesBlockingDownloads/blockingDownloads.png)\n\n**_1.2.5 Что-то еще_**\n\n- Заблокированные запросы\n  ![](./Network/05-somethingElse/blockedRequests/01-blocked.png)\n  ![](./Network/05-somethingElse/blockedRequests/02-blocked.png)\n  ![](./Network/05-somethingElse/blockedRequests/03-blocked.png)\n\n- Запросы со статусом 302, которые привели к лишним запросам по новым адресам\n  ![](./Network/05-somethingElse/status302Requests/status302.png)\n\n## **2. Performance**\n\n### **_2.1 Профиль загрузки страницы_**\n\n[Profile.json](./Performance/Profile.json)\n\n### **_2.2 Время от начала навигации до событий:_**\n\n- **First Paint - 577.2 ms**\n\n![](./Performance/screenShots/FirstPaint.png)\n\n- **First Contentful Paint - 577.2 ms**\n\n![](./Performance/screenShots/FirstContentfulPaint.png)\n\n- **Largest Contentful Paint - 758.9 ms**\n\n![](./Performance/screenShots/LargestContentfulPaint.png)\n\n- **DOMContentLoaded Event - 2.0 s**\n- **Event - 2.79 s**\n\n![](./Performance/screenShots/DCL_Load.png)\n\n### **_2.3 DOM-элемент, на котором происходит LCP_**\n\n![](./Performance/screenShots/LCP_dom-element.png)\n\n### **_2.4 Времени, которое тратится на разные этапы обработки документа_**\n\n- **Loading - 34 ms**\n- **Scripting - 266 ms**\n- **Rendering - 156 ms**\n- **Painting - 15 ms**\n\n![](./Performance/screenShots/summary.png)\n\n## **3. Coverage**\n\n### **_3.1 Скриншот вкладки после загрузки страницы_**\n\n![](./Coverage/Coverage.png)\n\n### **_3.2 Объём неиспользованного CSS в ходе загрузки страницы в килобайтах_**\n\n- **Unused CSS - 564 kB**\n\n![](./Coverage/unused_CSS.png)\n\n### **_3.3 Объём неиспользованного JS в ходе загрузки страницы в килобайтах_**\n\n- **Unused JS - 2.3 MB**\n\n![](./Coverage/unused_JS.png)\n\n# **Анализ при замедлении CPU 4x slowdown и эмуляции сети Slow 3G**\n\n## **1. Network**\n\n### **_1.1 Профиль загрузки ресурсов при открытии страницы_**\n\n[HAR архив](./SlowNetwork/www.gd.ru-slow.har)\n\n### **_1.2 Неоптимальные места_**\n\nВсё тоже самое, что и при первом тесте, только дольше.\n\n![](./SlowNetwork/network-slow.png)\n\n## **2. Performance**\n\n### **_2.1 Профиль загрузки страницы_**\n\n[Profile-slow.json](./SlowNetwork/Profile-slow.json)\n\n### **_2.2 Время от начала навигации до событий:_**\n\n- **First Paint - 9460.1 ms**\n\n![](./SlowNetwork/fp-slow.png)\n\n- **First Contentful Paint - 9460.1 ms**\n\n![](./SlowNetwork/fcp-slow.png)\n\n- **Largest Contentful Paint - 12632.9 ms**\n\n![](./SlowNetwork/lcp-slow.png)\n\n- **DOMContentLoaded Event - 27162.9 ms**\n\n![](./SlowNetwork/domload-slow.png)\n\n- **Event - 51.55 s**\n\n![](./SlowNetwork/load-slow.png)\n\n### **_2.3 DOM-элемент, на котором происходит LCP_**\n\n![](./SlowNetwork/lcp-element.png)\n\n### **_2.4 Времени, которое тратится на разные этапы обработки документа_**\n\n- **Loading - 366 ms**\n- **Scripting - 13244 ms**\n- **Rendering - 4718 ms**\n- **Painting - 739 ms**\n\n![](./SlowNetwork/summary-slow.png)\n\n## **3. Coverage**\n\nВсё то же самое, что и при первом тесте\n\n![](./SlowNetwork/coverage-slow.png)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmuhammad-21%2Fdev-tools","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmuhammad-21%2Fdev-tools","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmuhammad-21%2Fdev-tools/lists"}