Audisto Crawler Hints
SEO Ranking Factor Checker Technical SEO Analysis Tool
What is the ranking checker for
Optimize On-Page SEO Elements: Monitor critical ranking factors like titles, meta descriptions, headings, and image alt attributes to maximize search visibility.
Ensure Proper Search Engine Directives: Identify and fix issues with canonical tags, robots directives, and XML sitemaps that affect how search engines crawl and index your content.
Maintain Clean Link Architecture: Detect problematic linking patterns including inconsistent nofollow usage and excessive internal linking that could dilute ranking signals.
Monitor Technical SEO Health: Track changes in ranking-relevant factors across your website to maintain optimal search engine visibility and prevent SEO regressions.
How to check ranking factors issues at scale

Technical SEO drives visibility
Technical SEO issues can significantly impact your search rankings. Our analysis helps you identify and fix ranking-relevant factors across your website. While our quick check gives you immediate insights for single pages, our full crawler ensures consistent SEO quality across your entire website.
Critical Ranking related hints

<img> has no alt attribute
If an image without an alt attribute is found, the URL is flagged with this hint.Learn more
<link rel=canonical>: Contains malformed or empty href
This hint identifies all occurrences of canonical elements that contain an invalid target URL.Learn more
<link rel=canonical>: Found outside <head>
A canonical element was placed outside the <head> section and so search engines will ignore it.Learn more
<link rel=canonical>: Found twice
More than one canonical element was found, either as a <link> tag with rel="canonical" or an according link header.Learn more
<link rel=canonical>: Found twice and differs
More than one canonical element has been found, either as a <link> tag with rel="canonical" or an according Link header. Additionally, they specify different targets.Learn more
<meta description> occurs more than once
If a meta description is found more than once in the HTML, the URL is flagged with this hint.Learn more
<title> found outside <head>
A <title> tag was placed outside the <head> section, where it may have no effect.Learn more
<title> missing or empty
If the <title> tag is missing, the URL is flagged with this hint.Learn more
<title> occurs more than once
If the <title> tag is found more than once, the URL is flagged with this hint.Learn more
Robots: Specified more than once
Robots directives are specified more than once. If a document contains more than one robots definition, it will be flagged.Learn more
Robots: nofollow differs across specifications
There is more than one source for robots, either a robots meta tag or a X-Robots-Tag header, and at least one specifies "nofollow" while another does not.Learn more
Robots: noindex differs across specifications
There is more than one source for robots directives, either a robots meta tag or a X-Robots-Tag header, and at least one specifies "noindex" while another does not.Learn more
XML sitemaps: <html:link> is no hreflang link
This hint identifies all XML sitemap files that contain a <xhtml:link> which is not a valid hreflang link.Learn more
XML sitemaps: <lastmod> in the future
This hint identifies all XML sitemap files and XML sitemap index files that contain a <lastmod> definition with a datetime value in the future.Learn more
Problem indicating Ranking related hints

<h1> and <h2> not found
If no h1 and h2 headings are found, the URL is flagged with this hint.Learn more
<h1> not found
If the HTML does not have an h1 heading, the URL is flagged with this hint.Learn more
<html> contains more than 1500 nodes
The HTML of a page has an excessive DOM size of more than 1.500 nodes.Learn more
<link rel=canonical>: Points to other URL
If the canonical element is found and it points to a different URL, the URL is flagged with this hint.Learn more
<link rel=canonical>: URL is not absolute
If the canonical element specifies a URL relative to the document's URL, the document's URL is flagged with this hint.Learn more
<meta description> missing or empty
If the meta description is missing or empty, the URL is flagged with this hint.Learn more
<meta description> too long for Google snippet
If the meta description is too long to be displayed in search result snippets, the URL is flagged with this hint.Learn more
<title> short or single word
If the title of a document has less than 10 characters or if it is only a single word, the URL is flagged with this hint.Learn more
<title> too long for Google snippet
If the title of a document is too long to be displayed in search result snippets, the URL is flagged with this hint.Learn more
Linking: Follow link to a so far nofollow URL
A follow link was found, linking to a URL that was previously linked "nofollow" only.Learn more
Linking: nofollow link to a follow URL
A link with rel="nofollow" was found, linking to a URL that was previously linked "follow".Learn more
Linking: nofollow link to network URL
A nofollow links to a URL within the scope of the crawl (network) was found.Learn more
Linking: nofollow linking revoked later on
A URL that has been linked nofollow has later (i.e. on the same or a deeper level) been linked to as follow.Learn more
Robots: Directive probably misspelled
A directive which is likely a misspelling of the robots meta tag was found.Learn more
Informational Ranking related hints

<a> more than 100 links
If more than 100 unique links are found, the URL is flagged with this hint.Learn more
<form> method is GET
If a form using the GET method is found, the URL is flagged with this hint.Learn more
<img> alt attribute exists but empty
If an image with an empty alt attribute is found, the URL is flagged with this hint.Learn more
<link rel=canonical>: Host change
This hint identifies all URLs that have a canonical link pointing to another host.Learn more
<link rel=canonical>: Protocol change
This hint identifies all URLs that have a canonical link that changes the protocol from HTTP to HTTPS or vice versa.Learn more
<link rel=canonical>: To external URL
This hint identifies all URLs that have a canonical link that leads to a URL that is not within the crawled domain(s).Learn more
Robots: follow
The URL is set to "follow" by a robots directive, either by the robots meta tag or the X-Robots-Tag header.Learn more
Robots: index
The URL is set to "index" by all robots directives, either by the robots meta tag or the X-Robots-Tag header.Learn more
Robots: nofollow
The webpage is set to "nofollow" by a robots directive, either by the robots meta tag or the X-Robots-Tag header.Learn more
Robots: noindex
The URL is set to "noindex" by a robots directive, either with the robots meta tag or the X-Robots-Tag header.Learn more
URL has more than 115 characters
If the URL is more than 115 characters long, it is flagged with this hint.Learn more
XML sitemaps: <lastmod> misses time
This hint identifies all XML sitemap files and XML sitemap index files that contain a <lastmod> definition without a time.Learn more