The most important SEO extensions for the Google Chrome browser
Chrome plugins make it easier to enter the world of SEO, because even without HTML knowledge and paid tools, important data can be easily accessed.
They also facilitate the everyday life of advanced SEOs: Some data must be available quickly, without having to take detours into the source code or the Google Developer Tools. With the tools presented here, meta data can be viewed, redirects and broken links can be checked, the rendering of the page can be evaluated - and much more.
To install a plug-in for the Chrome browser, you just need to be logged into the Google Web Store. You can use any plug-in by clicking the blue "Add" button in the top right corner. The tab with your extensions can be found at the top right, next to the search bar, by the "Puzzle Piece."
✓ Page Title (incl. number of characters)
✓ Meta description (incl. number of characters)
✓ AI-generated Title and Meta-Description suggestions (via ChatGPT API).
✓ Headings (incl. display in HTML & H1-H6)
✓ Status Code
✓ Meta-Robots tag and X-Robots tag
✓ Canonicals and Canonical Head
✓ Compression, server, and protocol
✓ Core Web Vitals and Sistrix API
Download diva-e SEO plugin from Chrome Web Store
The tool gives the status code of a website. The URLs of the 301 redirects are mapped. It also displays data from the HTTP head, such as IP address, content type, etag and encoding. The displayed data can be copied with one click.
✓ Makes itself noticeable on pages that do not have a 200 status code.
✓ Shows forwarding chains
With Notepad from Note Anywhere it is possible to easily add notes to websites. Thus, the design of the page can be sketched or a reminder can be written. A useful feature: the notes are retained even after the page is closed until it is called up again.
✓ Embed notes on pages and move them using drag and drop.
With the Lighthouse plugin you have direct access to over 75 metrics. The tool provides suggestions for improvement, which are carefully documented and explained on https://web.dev/. Therefore, the Lighthouse plugin is also well suited for beginners in the world of page performance.
✓ Open source tool developed by Google
✓ Page speed metrics incl. Core Web Vitals
✓ Mobile optimization and structured data.
✓ Test website accessibility
Download View Rendered Source from the Chrome Web Store.
Wappalyzer detects "content management systems, e-commerce platforms, web frameworks, server software, analytics tools and more."
If Wappalyzer doesn't find any data, you can play tic-tac-toe against it.
Download View Rendered Source in the Chrome Web Store
The use of structured data helps search engines to better understand content. It also enables special forms of presentation in the search results, significantly increasing the probability of achieving rich results.
The Structured Data Helper from Ryte shows the used structured data of a URL as well as possible errors.
✓ Display of the structured data used on the page.
✓ Validity and interpretation check of the data for Google.
Download Ryte Structured Data Helper from the Chrome Web Store.
This allows you to visually edit any page in the browser.
The popular plugin displays important meta data, such as title, meta description and headline structure. Instead of calling the source code of the page, these are available with 1-click. Canonicals, various meta robots tags, as well as robots.txt and XML sitemap can also be viewed.
✓ All important meta data
With the Easy Custom Comparison plugin, there is no need to back-calculate for custom comparisons in Search Console.
Download Easy Custom Comparison from Chrome Web Store
When the user wants to access a page, the HTTP request takes place first. His browser sends information, including the user agent string - such as:
Mozilla/5.0 (iPhone; CPU iPhone OS 10_3 like Mac OS X)AppleWebKit/603.1.23 (KHTML, like Gecko)Version/10.0 Mobile/14E5239eSafari/602.1
This information is used to personalize the user's experience. User Agent Switcher for Chrome can be used to change this information, regardless of the device used. For SEOs, it can be useful to access and test pages with different user agents.
✓ Change User Agent
✓ The plugin allows you to use a large number of different systems.
Download User Agent Switcher for Chrome from Chrome Web Store
Similar Web is a business intelligence tool that provides clear insights into traffic and user engagement on pages. The easy access to valuable hints about the most important traffic metrics makes Similar Web a popular plugin for SEOs.
✓ Traffic data directly on the website.
After entering the keyword at Google, SERP Keyword Scraper simply extracts important keywords from the search results. By clicking on the plugin, the data is saved to the clipboard and can be easily transferred to spreadsheets. Optimization hints, similar questions or related keywords are copied and provided with the key combination CTRL+dot(.) on Windows and CMD+dot(.) on Mac.
✓ Easy extraction of important SERP data on the search results page.
✓ Currently supports: Google Search, Google Image Search, Google Shopping Search as well as Bing Search.
Download SERP Keyword Scraper from Chrome Web Store
A plugin is supposed to protect the privacy of users. For this purpose, it blocks advertising and tracking. At the same time, it can also improve page loading time and performance.
The plugin can also be used in search results without clicking on a website.
Download Ghostery from Chrome Web Store
For example, MozBar allows you to quickly check the domain or URL authority of pages - both directly in SERPs and on the page. The plugin offers other important hints about general page attributes, on-page elements, robots meta tags and link metrics. With MozBar, exporting a search results page is just a click away. Moreover, a quick URL-level markup check is an attractive functionality of the plugin. In summary, MozBar is well suited for quick authority and clear SEO checks (without having to leave SERPs).
✓ All-in-one SEO plugin
✓ Quick authority check of domains and URLs.
✓ Easy export of search results pages
✓ Insights into link metrics and spam score of any pages
✓ Page elements, general page attributes, HTTP status one click away
✓ Search results by search engine, country, region, city