監査レポート対象
notion.so
最終監査日 Jul 2, 2026
Notion has significant performance and AI readiness improvements to make
Notion scores well in SEO and accessibility but has major performance issues with slow LCP and high TBT. AI readiness is moderate with no structured data for search engines or AI models.
スコアプロファイル
カテゴリー別インサイト
パフォーマンス指標
マーケティング対応度
ウェブ解析
なし
広告ピクセル
なし
ライブチャット
なし
ブログ・コンテンツ
あり
料金ページ
あり
メール取得
なし
AIクローラーのアクセス
ChatGPT
許可
Claude
許可
Perplexity
許可
Gemini
許可
Common Crawl
許可
llms.txt
あり
構造化データ
なし
Instagram競合と比較
改善提案
28 件の問題高Avoid multiple page redirects
Est savings of 2,010 ms
中工数
Avoid multiple page redirects
Est savings of 2,010 ms
修正方法
Review and remove unnecessary redirects. Use server-side configuration to handle redirects efficiently. Ensure all internal links point directly to the final destination.
インパクト
Reduce page load time by 2 seconds
高Reduce unused JavaScript
Est savings of 1,474 KiB
高工数
Reduce unused JavaScript
Est savings of 1,474 KiB
修正方法
Implement code splitting and tree shaking to eliminate unused JavaScript. Use dynamic imports for non-critical modules. Audit and remove third-party scripts that are not essential.
インパクト
Reduce payload by 1.47 MB
高Improve image delivery
Est savings of 243 KiB
中工数
Improve image delivery
Est savings of 243 KiB
修正方法
Convert images to next-gen formats like WebP or AVIF. Implement responsive images using srcset and sizes attributes. Optimize image compression and use lazy loading for off-screen images.
インパクト
Reduce image payload by 243 KB
高Use efficient cache lifetimes
Est savings of 348 KiB
低工数
Use efficient cache lifetimes
Est savings of 348 KiB
修正方法
Configure HTTP caching headers for static assets. Set long cache durations for resources that do not change frequently. Use cache busting techniques for versioned assets.
インパクト
Reduce redundant downloads by 348 KB
高Minimize main-thread work
10.3 s
高工数
Minimize main-thread work
10.3 s
修正方法
Defer non-critical JavaScript and CSS. Use Web Workers for heavy computations. Prioritize critical rendering path and avoid long-running tasks on the main thread.
インパクト
Reduce main-thread work by 10.3 seconds
高Reduce JavaScript execution time
4.7 s
高工数
Reduce JavaScript execution time
4.7 s
修正方法
Profile JavaScript execution using Chrome DevTools. Remove or optimize heavy functions. Implement lazy loading for non-essential features and use asynchronous loading where possible.
インパクト
Reduce JavaScript execution time by 4.7 seconds
高Render-blocking requests
Est savings of 1,440 ms
中工数
Render-blocking requests
Est savings of 1,440 ms
修正方法
Identify and defer render-blocking resources. Use async or defer attributes for scripts. Inline critical CSS and load non-critical CSS asynchronously.
インパクト
Reduce render-blocking time by 1.44 seconds
中Add structured data for AI and search engines
No structured data (JSON-LD) for AI and search engines
中工数
Add structured data for AI and search engines
No structured data (JSON-LD) for AI and search engines
修正方法
Implement JSON-LD structured data for key content types such as articles, products, and organizations. Use schema.org vocabulary to enhance AI model understanding and search engine visibility.
インパクト
Improve AI model understanding and search engine visibility
中Enable web analytics for user tracking
No web analytics detected, so visitors cannot be measured
低工数
Enable web analytics for user tracking
No web analytics detected, so visitors cannot be measured
修正方法
Integrate a web analytics platform such as Google Analytics or Mixpanel. Track user behavior, session duration, and conversion rates to inform AI model training and business decisions.
インパクト
Enable visitor measurement and user behavior analysis
中Add advertising pixels for retargeting
No advertising pixel detected, so visitors cannot be retargeted
低工数
Add advertising pixels for retargeting
No advertising pixel detected, so visitors cannot be retargeted
修正方法
Implement retargeting pixels from platforms like Facebook, Google Ads, or LinkedIn. Use these pixels to track user interactions and serve targeted ads to returning visitors.
インパクト
Enable retargeting and improve ad campaign effectiveness
中Fix browser console errors
Browser errors were logged to the console
中工数
Fix browser console errors
Browser errors were logged to the console
修正方法
Audit and fix JavaScript errors logged in the browser console. Use error handling and logging to identify and resolve issues proactively.
インパクト
Improve stability and user experience
中Add source maps for large JavaScript files
Missing source maps for large first-party JavaScript
低工数
Add source maps for large JavaScript files
Missing source maps for large first-party JavaScript
修正方法
Generate and deploy source maps for large JavaScript bundles. This enables better debugging and performance analysis during development and production.
インパクト
Improve developer productivity and debugging efficiency
中Ensure sufficient color contrast ratio
Background and foreground colors do not have a sufficient contrast ratio
低工数
Ensure sufficient color contrast ratio
Background and foreground colors do not have a sufficient contrast ratio
修正方法
Audit and adjust color contrast ratios to meet WCAG AA or AAA standards. Use tools like Contrast Checker to validate and improve accessibility.
インパクト
Improve accessibility and user experience for visually impaired users
中Ensure lists contain only <li> elements
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`)
低工数
Ensure lists contain only <li> elements
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`)
修正方法
Validate and correct list structures to ensure they contain only <li> elements. Remove any non-list elements such as <script> or <template> from list containers.
インパクト
Improve screen reader compatibility and semantic HTML structure