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Accurately measures any webpage's total payload, breaks it down by file type, surfaces the exact files bloating your page. Instantly see the network size of any webpage! Discover what's slowing down your load times with a smart SEO breakdown and insights. Take Control of Your Page Load Times & SEO! The Web Page Size Checker is the ultimate lightweight tool designed for developers, SEO professionals, and curious users who want to know exactly how heavy a webpage is without opening complex developer tools. With a single glance at your toolbar, you can instantly see the total payload size of any website you visit, automatically color-coded to tell you if the page is optimized or too heavy. ✨ Key Features: Instant Toolbar Size Indicator: Always know the size of the current page you're on with a clean, beautifully crisp badge that updates automatically. Smart Resource Breakdown: Click the extension icon to reveal a gorgeous, segmented breakdown chart detailing exactly what is eating up your bandwidth. Instantly see the individual payload sizes for HTML, CSS, JavaScript, Images, and Web Fonts! Actionable SEO Insights: Receive automated, tailored suggestions based on the page's specific payload sizes. For example, the extension will warn you if your JavaScript payload is too high or if unoptimized images are dragging down your mobile SEO scores. Customizable Settings: Choose between two modes! Let the extension calculate sizes "automatically" in the background as you browse, or switch to "manual mode" so it only calculates precisely when you click the icon. Add Web Page Size Checker to your browser today and start auditing pages effortlessly!
Aug 25, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.