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SEO Checker Version History

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Version History

Changelog for the latest releases:

This page contains the complete changelog of SEO Checker, detailing what has changed in each version.

SEO Checker 9.6
December 17, 2024 (PST)

  • Added “META Tags” tab into “Analyze URL” window
  • Added DuckDuckGo and Baidu into “Check Index” menu
  • Improved “Analyze URL” window

SEO Checker 9.5
November 22, 2024 (PST)

  • Supported base tag
  • Improved relative hyperlink detection
  • Improved “Ignore Extensions”

SEO Checker 9.4
October 13, 2024 (PST)

  • Added “Change Font” button into “Report Settings” window
  • Added URL confirmation dialog for “Audit Messages” button
  • Added “Start” right-click menu item into “Internal URLs” list
  • “Start” menu items start new instance now

SEO Checker 9.3
October 3, 2024 (PST)

  • Implemented “Duplicate content” audit
  • The application calculates “content hash”
  • “Load Project” remembers “Start URL”

SEO Checker 9.2
September 27, 2024 (PST)

  • Improved “Word Count” calculation
  • Improved Internet Explorer emulation
  • Improved “Strip HTML Source” in “Analyze URL” window

SEO Checker 9.1
September 25, 2024 (PST)

  • Added “Backlink Checker” menu items
  • Improved translations

SEO Checker 9.0
July 7, 2024 (PST)

  • Improved OpenSSL v3 support
  • Improved HTML stripping
  • Improved “Word Count” calculation
  • Added thousand separator to “Word Count”

SEO Checker 8.8
June 27, 2024 (PST)

  • Improved OpenSSL v3 support

SEO Checker 8.7
June 9, 2024 (PST)

  • Added “Status Code” icons in “Links” tab
  • Supported “STOP” in “Check Status Codes”
  • Improved translations

SEO Checker 8.6
May 30, 2024 (PST)

  • Fixed “Ignore URLs” multiple line save bug
  • Fixed some memory leaks

SEO Checker 8.5
May 24, 2024 (PST)

  • Supported OpenSSL 3.2.1
  • Supported GZIP enabled servers for OpenSSL 3

SEO Checker 8.4
March 30, 2024 (PST)

  • Improved Titles
  • Improved Descriptions
  • Improved Anchors
  • OpenSSL v1 is the default
  • Fixed X-UA-Compatible problem

SEO Checker 8.3
March 26, 2024 (PST)

  • Supported IPv6 in OpenSSL v3
  • Fixed HTTP 426 error by changing HTTP/1.0 to HTTP/1.1 in OpenSSL v3

SEO Checker 8.2
March 13, 2024 (PST)

  • Improved URL detection
  • Fixed encoding problem occurring when using OpenSSL v3

SEO Checker 8.1
March 12, 2024 (PST)

  • Implemented “Content is very large” audit
  • Fixed “Out of memory” error when content is very large
  • Added webp and dmg into default “Ignore Extensions”
  • Improved StatusBar
  • Improved translations

SEO Checker 8.0
March 7, 2024 (PST)

  • Supported TLS 1.3
  • Supported OpenSSL 3.1.2
  • Added OpenSSL v1 option for compatibility
  • Fixed connection timeout problem
  • Supported Slovak language

SEO Checker 7.8
February 9, 2024 (PST)

  • Improved HTML stripping

SEO Checker 7.7
January 29, 2024 (PST)

  • Improved protocol handling such as ftp, mailto, tel
  • Removed retired Alexa menu item

SEO Checker 7.6
December 23, 2023 (PST)

  • Fixed URL trim problem
  • Fixed ComboBox bug
  • Improved translations

SEO Checker 7.5
October 20, 2023 (PST)

  • Supported loading HTML files on a local disk
  • Supported drag and drop

SEO Checker 7.4
September 20, 2023 (PST)

  • Added PDF report settings
  • Improved “Internal URLs” CSV export
  • Changed URL bar color
  • Improved UI
  • Improved translations

SEO Checker 7.3
August 19, 2023 (PST)

  • Improved H1 tag detection
  • Added “Multiple H1 tags exist” audit message
  • Added “Search” right-click menu item to “Anchors” tab
  • Improved PDF report

SEO Checker 7.2
May 28, 2023 (PST)

  • Fixed “H1 tag is empty” bug
  • Fixed “Display Unfinished Results” bug

SEO Checker 7.1
April 5, 2023 (PST)

  • Improved “Find”, allowing to display multiple items
  • Added keyboard shortcut F3 for “Find (Next)“
  • Implemented “Description is empty” audit
  • Implemented “Title is empty” audit
  • Implemented “H1 tag is empty” audit

SEO Checker 7.0
January 10, 2023 (PST)

  • Added “Depth” column
  • Added “Word Count” column
  • Implemented “Very few words” audit
  • Implemented “Crawl depth is very high” audit
  • Better thread error handling
  • Fixed “Analyze URL” bug
  • Fixed multi-line title and description issue
  • Improved UI

SEO Checker 6.6
December 30, 2022 (PST)

  • Added status code icons to Internal URLs
  • Added “Export Descriptions with URLs”
  • Added “Export Titles with URLs”
  • Fixed antivirus issue related to temporary files
  • Fixed redirect issue
  • Settings.ini file is now UTF-8 encoded

SEO Checker 6.5
October 13, 2022 (PST)

  • Fixed rarely occurring “is not an integer value” error
  • “Strip HTML Markup” option converts nbsp entities
  • Improved translations

SEO Checker 6.4
September 13, 2022 (PST)

  • Added “Categories” tab
  • In “Links” tab, “Type” column (Internal or External) is displayed in “Link” list, instead of “Source URL” list
  • Threading related improvements
  • Improved translations

SEO Checker 6.3
August 30, 2022 (PST)

  • Added “Show Links” menu item into “Internal URLs” tab
  • Improved translations
  • Improved UI

SEO Checker 6.2
August 13, 2022 (PST)

  • Supported href attributes without quotation marks
  • Supported href attributes with backslash double quote
  • Added “Copy Anchor Text” menu item
  • Fixed mailto bug
  • Added “Audit Messages” button
  • Fixed CSV export bug
  • Improved error messages
  • Updated User-Agent Strings
  • Improved translations

SEO Checker 6.1
July 21, 2022 (PST)

  • Added H3 and H4 tabs
  • Supported GZIP enabled servers
  • Added “Export Report to PDF” button
  • Fixed SEO Audit select bug
  • Improved memory usage
  • Improved CSV export
  • Improved translations
  • Improved UI

SEO Checker 6.0
June 13, 2022 (PST)

  • Improved UI
  • Multi-line tabs
  • Supported language files

SEO Checker 5.8
May 18, 2022 (PST)

  • Added “Strip HTML Markup” menu item for anchors
  • Added “Remove Query String Links” menu item
  • Added “Remove Anchor Links” menu item
  • Added “Follow Redirects” menu item
  • Improved audit messages
  • Renamed “Anchor List” to “Anchors”
  • Updated retired Alexa menu item
  • Improved UI

SEO Checker 5.7
April 4, 2022 (PST)

  • Added domain and subdomain option
  • Added “Export Internal URLs”
  • Fixed SaveDialog bug
  • Improved UI

SEO Checker 5.6
March 4, 2022 (PST)

  • Improved UI

SEO Checker 5.5
October 30, 2021 (PST)

  • Added “Display Unfinished Results” setting that should be unchecked to prevent GUI from freezing
  • “Export Sitemap” button can export to XML, HTML, CSV or TXT file
  • Increased maximum RAM limit
  • Fixed “Save Project As” bug

SEO Checker 5.4
October 13, 2021 (PST)

  • Added “Check Response Codes” button for “Found Links”
  • Implemented in-memory SQLite database for faster audit
  • Added “Default Database Location” menu item
  • “User Agent” is now freely editable
  • Fixed form position bug
  • Improved UI

SEO Checker 5.3
August 29, 2021 (PST)

  • Fixed “Stop” button bug
  • Fixed “Find” button bug

SEO Checker 5.2
August 21, 2021 (PST)

  • Fixed a bug impacting http status codes when redirected
  • Fixed a bug impacting relative directories in hyperlinks
  • Default “Internal URL Limit” is 100

SEO Checker 5.1
August 17, 2021 (PST)

  • Improved responsiveness

SEO Checker 5.0
August 14, 2021 (PST)

  • Added “Check Multiple Websites”
  • Added “Find” buttons
  • “Ignore URLs” can detect wildcard search patterns
  • Fixed H1 tag related problem
  • Fixed domain name related bug that causes misleading results
  • Fixed some memory leaks
  • Prevented multiline META descriptions
  • Improved UI

SEO Checker 4.9
August 5, 2021 (PST)

  • Added “HTTP Response” column in order to identify internal page error codes

SEO Checker 4.8
July 17, 2021 (PST)

  • Added descriptive error messages

SEO Checker 4.7
July 8, 2021 (PST)

  • Added “New Project”, “Load Project” and “Save Project As” menu items
  • More than one instance can run at the same time

SEO Checker 4.6
June 8, 2021 (PST)

  • Remembers form position and state
  • Implemented high-DPI icons
  • Increased default timeouts
  • Added a splitter into “SEO Audit” tab
  • Fixed redundant URL in “SEO Audit” tab
  • Improved link detection

SEO Checker 4.5
May 26, 2021 (PST)

  • Fixed link detection bug
  • Improved UI

SEO Checker 4.4
April 14, 2021 (PST)

  • Export buttons save files using UTF-8 encoding
  • Fixed “Export Anchor List” bug

SEO Checker 4.3
March 25, 2021 (PST)

  • Added “Anchor List” tab
  • Implemented “Copy” menu items for all lists
  • Fixed splitter position bug

SEO Checker 4.2
January 24, 2021 (PST)

  • Added “SEO Audit” tab
  • Fixed error “Code: 1400 Invalid window handle” by synchronizing worker thread with GUI
  • URL limit can be decreased in trial mode

SEO Checker 4.1
January 13, 2021 (PST)

  • Implemented “Check” button as SplitButton
  • Cancelled automatically adding .com extension
  • Added “Found Titles” and “Found Descriptions” tabs
  • Added “Export Titles”, “Export Descriptions”, “Export H1 Tags” and “Export H2 Tags” buttons

SEO Checker 4.0
December 21, 2020 (PST)

  • Added “Found H1 Tags” and “Found H2 Tags” tabs
  • Faster “STOP” button response
  • Default “Page Limit” is 50
  • HTML parser works in silent mode
  • Improved UI

SEO Checker 3.7
October 30, 2020 (PST)

  • Added “Export Links” and “Export Backlinks” buttons and menu items
  • Added “Reset to Defaults” menu item
  • Fixed invisible links issue
  • Default “Page Limit” is 1
  • Improved UI

SEO Checker 3.6
October 12, 2020 (PST)

  • Added “URL Length” column
  • Load time is displayed in seconds
  • Implemented CSV file export in addition to TXT
  • Http and https prefixes are automatically converted to lowercase

SEO Checker 3.5
October 3, 2020 (PST)

  • Fixed uppercase title tag problem

SEO Checker 3.4
September 23, 2020 (PST)

  • Displays “load time” of found internal pages
  • Better title tag recognition
  • Fixed “page limit” bug

SEO Checker 3.3
August 13, 2020 (PST)

  • The application starts maximized
  • Displays title and description lengths
  • Displays loading URL numbers
  • Displays clicked URL in “Found Links” tab
  • Fixed database error in portable version

SEO Checker 3.2
July 17, 2020 (PST)

  • Supported portable deployment

SEO Checker 3.1
July 3, 2020 (PST)

  • Fixed “unable to open database file” problem
  • Improved UI

SEO Checker 3.0
June 23, 2020 (PST)

  • Redesigned interface
  • Embedded SQLite database
  • Crawls all internal pages

SEO Checker 2.4
June 14, 2020 (PST)

  • Mailto links are recognized

SEO Checker 2.3
May 5, 2020 (PST)

  • Image URLs, alt tags and title tags can be listed using “Analyze URL” menu item

SEO Checker 2.2
February 26, 2020 (PST)

  • Added new websites into Tools menu

SEO Checker 2.1
February 21, 2020 (PST)

  • “Two forward slashes” are now recognized in href attributes
  • All sequential redirected URLs are now displayed
  • “sponsored” and “ugc” link attributes are now displayed in addition to “nofollow” and “dofollow”

SEO Checker 2.0
February 18, 2020 (PST)

  • Improved UI
  • Fixed multi-line export error

SEO Checker 1.9
February 9, 2020 (PST)

  • Redirected URLs are now added to the link list in order to identify HTTP response

SEO Checker 1.8
February 6, 2020 (PST)

  • Fixed UTF-8 related bug
  • “Analyze URL” window is now read-only

SEO Checker 1.7
January 7, 2020 (PST)

  • Displays HTTP response code
  • Displays redirected URL
  • Improved UI
  • Changed icons

SEO Checker 1.6
December 25, 2019 (PST)

  • Supported UTF-8 link-text display
  • Added “Domain IP List” and “Ahrefs Backlink Checker” menu items

SEO Checker 1.5
October 22, 2019 (PST)

  • Supported single quotes and double quotes for attribute value delimiters
  • “Export to File” supports CSV filetype

SEO Checker 1.4
October 15, 2019 (PST)

  • “Find Broken Links” checks the same URL only once for faster operation
  • “Find Broken Links” can only get HEAD information for faster operation
  • “Analyze URL” displays full source code and HTML element lengths

SEO Checker 1.3
October 14, 2019 (PST)

  • Added “Find Broken Links”
  • Added “Search”
  • Added “Results” menu
  • Improved UI

SEO Checker 1.2
October 9, 2019 (PST)

  • Speed improvements
  • Added “Alexa Info”

SEO Checker 1.1
September 24, 2019 (PST)

  • Added “Go to URL” popup-menu item

SEO Checker 1.0
September 5, 2019 (PST)

  • First public release

Version Evolution


We are always working to improve our software for a better user experience!

Please make sure you are up to date to avoid any known issues and to get the best of what the software has to offer!


Got an idea for future releases?

Feature Requests