SiteAnalyzer SEO Tools - free SEO extension

SiteAnalyzer SEO Tools is a convenient tool for webmasters and SEO specialists, including many parameters for checking the quality of the site and its pages, configured to identify the most popular SEO errors.

The main features of SiteAnalyzer SEO Tools

• Determining the total number of site pages in the Google & Yahoo! index
• Checking the URL indexing status in Google and Bing
• Reveals the contents of Title, Description, H1-H6 tags
• Proper check of «Robots.txt» and «Sitemap.xml» presence
• Canonical URL Checker
• Rules accounting for «Robots.txt», meta tag «Robots» and header «X-Robots-Tag»
• Checking for REL «Nofollow», «Sponsored» and «UGC» for links and URLs
• Defining internal and external page links
• Semantic analysis of page content
• Checking pages loading speed
• Receiving server response codes (200, 3xx, 4xx, 5xx)
• Determining what CMS is used by web site
• Checking the registration date and the domain age
• Displaying all images of the page and the contents of the ALT tag
• Determining the IP address and country of web site
• Display Schema, Open Graph and Twitter markup
• Determining the presence of links to social networks
• Search for subdomains and sites on the same IP
• Show duplicate H1-H6 headers
• SSL certificate verification
• Sitemap clustering
• Core Web Vitals
• Quick source viewer
• Page quality audit based on 40 parameters
• Export reports to Excel (CSV)

How can the plugin help SEO specialist?

• Checking the indexing of pages
• Analysis of meta tags and page content
• Search for technical bugs on the site

Safety

The extension is distributed absolutely free and does not require any registration since it does not collect or send elsewhere your personal data.

Updating the version

An extension installed via the Chrome Online Store or through Firefox Add-ons are updated independently so no additional actions are required.

Browser compatibility

• Google Chrome
• Mozilla Firefox
• Opera
• Microsoft EDGE

Version History

Version 1.9.4 (build 92), 2024-11-06:

• added the quick viewing function of page source code (HTML, CSS, JS, etc.)
• Google Keyword Planner link updated

Version 1.9.2 (build 85), 2024-09-16:

• on the «Content» tab, the counting of word repetitions on the page has been optimized
• a table containing the 10 most frequent one-word phrases from hyperlink texts has been added there as well

Version 1.9.1 (build 82), 2024-09-12:

• updated algorithm for obtaining site page size
• added % column to Sitemap clustering tab, which displays the percentage of URLs by clusters
• fixed a bug with layout distortion on some sites
• fixed a bug of highlighting REL Nofollow-links with other directives
• sites on the Craftum engine added to the CMS detection script
• added the ability to go to map profiles in the Bing search engine

Version 1.9 (build 78), 2024-08-24:

• added the display of new groups of links: JS, CSS, Word, Excel, PDF
• added Noindex definition for individual search bots, for example «meta name="googlebot" content="noindex"»
• added the ability to go to profiles on Google maps
• fixed incorrect check of page indexing in the Google search engine

Version 1.8 (build 74), 2024-08-13:

• added a new tab «Extracting Suggestions» designed to collect text descriptions of images from image search services in Google, Bing and Yandex
• added the ability to display «broken» links on the page (dead links become visible when activating the «Links» tab and activating the option in the «Settings» section)
• fixed bug displaying the wrong indexability of pages with an anchor in the URL (#)
• changed the color of NOINDEX-tag highlighting

Version 1.7 (build 71), 2024-07-18:

• added the report On-Page optimization quality by 40 SEO-parameters
• fixed a bug with java scripts blocking on some types of pages
• added checking for Google and Yandex counters on the page
• various improvements to the extension interface
• added the documentation page

Version 1.6 (build 67), 2024-07-03:

• added the display of Core Web Vitals indicators (LCP, CLS, FID, TTFB)
• added the accounting of Robots.txt file rules (User-agent, Allow, Disallow, $, *, #)
• added the checking of the «possibility» of URL indexing via Robots.txt, Meta Robots, X-Robots-Tag
• added export of general report to Excel (CSV)
• added export of images and links to Excel (CSV)
• optimized margins for Title, Description, H1, Content
• added suggests for some SEO parameters
• added link to page cache in Google
• added the display of duplicate headers H1-H6
• added the filtering by key phrases in the «Content» tab
• a 404 (Not found) link filter has been added to the «Images» section
• in the «Images» section a «Volume» filter has been added to sort images by volume
• a blank image has been added for 404 images to get rid of the empty space when image is missing
• icons have been added to the main menu of the extension, making it more compact
• when updating the extension, a message box has been added to allow you to go to the description of the new version on the website

Version 1.5 (build 54), 2024-06-18:

• added «Sitemap» section (new feature!) – Sitemap.xml clustering
• added the detection of sites located on the same IP with the domain explored
• added the display of subdomains of the analyzed site
• added the display of information about domain SSL certificates
• fixed display of H1-H6 tags in the page code
• various improvements have been made to the interface
• read more...

Version 1.4 (build 42), 2024-06-02:

• added «Microdata» tab containing information about social networks and Schema.org
• optimized obtaining information about images and hyperlinks
• added display of social networks of the current URL
• added possibility of «highlighting» H1-H6 headings
• added server response check for «hreflang» links
• improved definition of bigrams and trigrams
• design improvement

Version 1.3 (build 32), 2024-05-22:

• added evaluation of meta tags «lang» and «hreflang»
• added evaluation of the characters count and words on the page
• added the display of server response code (section «Links»)
• added «On Page» section intended for semantic text analysis
• added «Other link types» subsection in the «Links» section
• added «Tools» section with a list of the most relevant SEO services
• optimized interface and speed of the extension
• improved work with localization

Version 1.2 (build 25), 2024-05-15:

• added check for URL indexing in the Bing search engine
• improved display of the contents of the «Images» and «Links» tabs
• added the ability to disable JavaScript and CSS on the page
• added translation of extension into Spanish
• fixed bugs with extension localization

Version 1.1 (build 19), 2024-05-13:

• added plugin settings window
• added translation into UK, EN languages
• added parsing Canonical, Meta Robots Tag, X-Robots-Tag
• added determination of page indexability status
• added highlighting of Nofollow, Sponsored, UGC links in content
• added a «Status» tab displaying page titles
• added display of registration date and domain age
• improved algorithm for finding Sitemap.xml
• optimized extension speed

Version 1.0 (build 12), 2024-04-29:

• released first version of the SEO-plugin for Google Chrome and Mozilla Firefox browsers