Web Developer

Link Redirect Trace

The all-in-one redirect path analyzer. It also analyzes protocol headers, REL-canonicals, robots.txt, backlink power, and trust! Perform advanced, comprehensive, and correct analysis of redirects and REL-canonicals. Get the complete picture on every redirect. Use this extension for your SEO analysis, On page SEO, Off-page SEO, competitor analysis, and more. - if robots.txt blocks crawlers from a redirect (checked via robots.txt for or X-Robots-Tags in HTTP header); - which URL drops cookies; - the LRT Power and LRT Trust of each URL; - supports NOINDEX/NOFOLLOW tags on every redirect step; - check for other technical issues like Bot-specific blocking. Full Description: https://smart.linkresearchtools.com/seo-tools/link-redirect-trace-extension

META SEO inspector

Meta SEO Inspector helps web developers and curious users explore what’s hidden behind any web page. Instantly check a site’s HTML… Meta SEO Inspector helps web developers and curious users explore what’s hidden behind any web page. Instantly check a site’s HTML for SEO issues, verify metadata, and ensure compliance with Google’s Webmaster Guidelines. Features 🌟 NEW! – Can be opened on an always-open sidebar. ⭐ One-click insights – Instantly view all metadata and structured data (including full JSON-LD). ⭐ Smart alerts – Get notified when tags are missing, too short, or too long. ⭐ Actionable advice – Learn what’s wrong and how to fix it to improve your Core Web Vitals and search visibility. ⭐ Analyze competitors – Compare your site’s structure and content with others. ⭐ Easy exporting – Copy meta values, print reports, or export data in seconds. ⭐ Multilingual interface – Available in many languages. ⭐ Free and regularly updated – Continuously improved with community feedback. Perfect for developers, marketers, or anyone curious about what makes a web page tick.

PerfectPixel by WellDoneCode (pixel perfect)

Drop your mockup on the live page for pixel-perfect comparison with your code. PerfectPixel adds a semi-transparent image overlay on top of any web page, letting you compare your frontend implementation against the original design mockup directly in the browser. Upload a design comp, adjust opacity, and immediately see where your code diverges from the spec — with pixel-perfect accuracy. No more switching between tabs or squinting at two screens side by side. How it works: install the extension, open any page, and drop in an image — drag and drop, paste a URL, paste from clipboard, or use the file picker. Position and scale the overlay, then adjust opacity to compare. - Overlay any PNG, JPG, or SVG on any web page - Adjustable opacity for real-time visual comparison - 4 blend modes (Difference, Invert, Multiply, Overlay) plus Normal — each useful for catching different types of mismatches - Lock the overlay to click through it and interact with page elements underneath - Per-domain persistence: your layers stay saved per site and restore automatically across browser sessions - Multiple layers per domain - Scaling, repositioning, and centering controls - Keyboard shortcuts for common actions - Unlimited simultaneous layers (free tier supports 2) - Folders to group layers - Layer rotation - Dark theme - Custom icon, accent color, and custom CSS Built for frontend developers, QA engineers, agencies, and development teams who need to verify that what they shipped matches what was designed. 350,000+ developers. 10+ years on the Chrome Web Store.

Window Resizer

Resize the browser window to emulate various screen resolutions. This extension re-sizes the browser's window in order to emulate various resolutions. It is particularly useful for web designers and developers by helping them test their layouts on different browser resolutions. The resolutions list is completely customizable (add/delete/re-order). You can set the window's width/height, window's position, preset icon (phone, tablet, laptop, desktop) and even the option to apply the new dimensions to the entire window or just to the viewport. The extension also features customizable global key shortcuts, an option to export your settings and import them on another computer and more! Please report all bugs (or suggestions) using the support link on the extension's details page.