🦖 Changelog
Discover the latest updates, new features, and bug fixes for Rank-O-Saur. We update the extension regularly to keep up with the fast-changing SEO industry.
v3.85
03.04.2026
- New SSL Check / Informations: Added more informations about the SSL Certificate. The informations can be accessed by clicking the icon on the right side of the url. It uses the https://ssl-checker.io/ API to fetch the data.
- Improved URLs with wrong Syntax: Check if URLs have the right syntax. If not, it'll get flagged in the overview. This happens for example when a url contains empty spaces, floating quotation marks, and unencoded brackets which are strictly forbidden
- Improved Duplicate-Check: Added a duplicate check for the following elements: Title, Description, Canonical-Tag, Meta-Robots-Tag, Sitemap-Reference in robots.txt. If an element is found twice, it gets flagged in the Overview.
- Improved Check if Element is empty: Added a check, if an element exists but is empty. I added this for the following elements: Title, Description, Canonical-Tag, Robots.txt, Sitemap.xml, llms.txt. If one of these elements is empty, it'll get flagged in the overview.
- Improved Multiple H1 on the page: Added a check, if there are multiple H1 on the page. If there are multiple H1 on the page, it'll get flagged in the content tab.
v3.80
25.03.2026
- New SSR vs CSR Rendering: Check if a page is rendered using SSR or CSR. You can highlight the CSR Elements and see exactly, how it impacts the content of your page.
- Improved Added Microdata to Markup check: The Markup check now also checks for Microdata and shows, which type of Markup is used.
- Improved GZIP-Sitemaps: Sitemap Checker now supports gzipped sitemaps.
- Improved Google-Agent Useragent: New google agent useragent added.
- Bugfix Encoded URLs in Sitemap: URLs with special characters in the sitemap are now correctly decoded.
- Bugfix Custom HTTP Header: Fied a bug, where custom http header did not show up in the dropdown.
- Bugfix Translations: Added some missing translations.
- Bugfix Button Feedback: Buttons were sometimes giving feedback for their status at the wrong place.
v3.75
24.03.2026
- Bugfix Encoded URLs in Sitemap: URLs with special characters in the sitemap are now correctly decoded.
- Bugfix Gzipped sitemaps: Fixed a bug, where urls where not found in gzipped sitemaps.
v3.7
20.03.2026
- Bugfix Fixed error while retrieving the headings: Fixed an error while parsing the content, to exclude the headings for Content tab.
- Improved Caching local data: Added sitemap check data to the local storage to prevent it from running all the time a user switches between tabs
v3.6
19.03.2026
- New Check if current URL is in Sitemap.xml: Click the Button in the Overview Tab in the sitemap section, to see if the current url exists in the sitemaps, that are referenced in the robots.txt.
- Improved CSS Changes and loading behavior: Changed lots of CSS and loading behaviour, to make the sidebar feel more smooth.
- Bugfix Missing data when loaded via scripts: When scripts where loading data for example to add faqs to a page, that data sometimes was not fetched due to being loaded later after Chrome status "changeInfo.status === 'complete'". I added a small delay to also fetch that data.
v3.59
18.03.2026
- New Dutch Translations: Added Dutch translations to all keys.
- Improved Info window when sidebar is too small: Added a small info window, when the sidebar is below 550px wide. Due to technical limitation in the SidePanel API, this cannot be changed automatically and has to be done by the user.
v3.55
17.03.2026
- New Sidebar View: Instead of the classic Popup, the Extension can now be displayed as a sidebar. Very helpful on larger screens.
- New Hide Sidebar on specific pages: If you want, you can hide the sidebar on specific pages, for example Google.com. When this is the case, only the classic Popup view is available and you'll see a yellow info in the popup.
- New Onboarding for new Users: When starting the extension the first time, you will be guided through some of the functions.
- New llms.txt Check: Added a check in the Overview Tab to check the existence and availability of the llms.txt.
- New Additional Bots: Build in checks for the following bots: Applebot, Meta-ExternalAgent, FacebookBot, CCBot (Commoncrawl), DeepSeekBot.
- Improved CSS changes: Changed a lot of things, to better match the content for the new sidebar view. Tables can now be fully viewed without scrolling. Google Location Changer also got a little make over.
v3.5
14.03.2026
- New JS on/off Toggle: Added a toggle in the Menubar, to turn Javascript on / off. Perfect for testing. If turned of, Icon indicates this by showing "JS off".
- New Shortcuts for Extension + Javascript-Toggle: Added Shortcuts for turning JS on/off by using ALT + J. Shortcut for opening the extension is now ALT + R.
- Improved Small CSS changes: Changed a few minor stylings to improve the overall look and feel.
v3.4
12.03.2026
- Improved Long titles & descriptions: Improved the visual feedback of titles and descriptions that are too long.
- Improved Default Shortcut: Added a default shortcut to open up the extension without clicking it. Windows: STRG + Shift + Space / Mac: CMD + Shift + Space.
- Bugfix Indexation error: In some rare cases, robots.txt and x-robots-tag parsing was not synchronized and caused an error.
- Bugfix Missing translations: Added a few missing translations.
v3.3
11.03.2026
- New Live Core Web Vitals: Added local browser performance fetching to display real-time LCP, CLS, and INP metrics directly in the extension. This replaced the slow API version.
- New Google Location Switcher: Change your location for Google Searches with one click. Just select the country and language you want to search in and the Extensions opens up a new window.
- New JS vs Non-JS side-by-side Code view: Added a Shortcut into the rightlick-contextmenu, where you can see the page with and without javascript and compare code difference directly in you browser.
- New Custom HTTP Header: When testing things on a staging server for example, sometimes its necessary to set a custom HTTP Header.
- New Show Changelog on Update: Added a background listener that automatically opens the rankosaur.com/changelog page in a new tab whenever Chrome installs a new version of the extension.
- Improved Dynamic Toolbar Icon: The main Rank-O-Saur extension icon in the Chrome browser toolbar now automatically turns red if the visited page has a Canonical URL mismatch.
- Improved Overall CSS: We improved some minor details for a better UX.
- Fixed Robots.txt Query Parameter Bug: Fixed an issue where the robots.txt checker was completely ignoring URL parameters (like ?p=2). It now correctly evaluates the full pathname and search query against the rules.
- Fixed Canonical Trailing Slash Bug: Removed the logic that stripped trailing slashes. The extension now correctly identifies a mismatch if the canonical URL has a trailing slash but the current URL does not.
v3.2
10.03.2026
- Bugfix Extension Icon: Icon in the Browser-Toolbar did not turn red, when a page was not indexable.
v3.1
09.03.2026
- New Google Search Widget: Injects a floating Rank-O-Saur widget directly into Google Search result pages.
- New Google Trends Embed: Automatically shows a Google Trends graph for your active search query matching your local country.
- New Sistrix API Integration: Fetches and displays real-time SEO metrics (Search Volume, Competition, CPC) directly from the Sistrix API.
- Improved Settings Redesign: Completely modernized the Settings panel using uniform CSS variables and card layouts.
- Fixed Fixed an issue where the Google Trends iframe defaulted to "Worldwide" instead of the localized search region.
v3.0
01.03.2026
- New Core Web Vitals (CWV): Dedicated integration with the Google PageSpeed Insights API to pull real-world CrUX data.
- New LLM & AI Bot Analysis: New "Bots" tab that parses robots.txt to check blockage of popular Search & AI crawlers.
- New Dark Mode: Native Dark Mode toggle that persists across sessions.
- Improved Advanced Data Export: Copy Heading structures and Link lists as CSVs or formatted Tables.
v2.0
21.02.2026
- New Advanced Link Analysis: Categorizes on-page links by Internal, External, Nofollow, Duplicate, and URL Parameters.
- New Live Status Code Checker: Ping all links on a page simultaneously to find broken 4XX and redirected 3XX links.
- New Image Optimization: Flags images missing alt/title attributes or larger than 1MB.
- New Structured Data (JSON-LD): New "Markup" tab that extracts, formats, and validates Schema.org markup.
- Improved In-Page Highlighting: Visual toggles to highlight headings and link types directly on the active webpage.
v1.0
15.02.2026
- New Initial Release: Birth of Rank-O-Saur for instant On-Page SEO analysis.
- New Overview Dashboard: Instant insights into URL, Title, Meta Description, Canonical, and Meta-Robots.
- New Heading Structure: Generates a visual tree of all headings and flags skipped levels.