Website review biovenn.nl
BioVenn - a web application for the comparison and visualization of biological lists using area-proportional Venn diagrams
Generated on May 04 2026 08:58 AM
Old data? UPDATE !
The score is 32/100
SEO Content
Title
BioVenn - a web application for the comparison and visualization of biological lists using area-proportional Venn diagrams
Length : 122
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Description
Venn diagram generator. Please use it for the creation of area-proportional Venn diagrams for scientific publications and presentations. Give it a try!
Length : 151
Great, your meta description contains between 70 and 160 characters.
Keywords
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Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 1 | 0 | 0 | 0 | 1 |
- [H2] BioVenn - a web application for the comparison and visualization of biological lists using area-proportional Venn diagrams
- [H6] © 2007 - 2026 Tim Hulsen
Images
We found 2 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 14%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Terrible, you have Flash content, this mean that for search engines hard to understand your content.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Bad. Your links have query string.
Underscores in the URLs
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 6 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Example diagram | Internal | Passing Juice |
| R package | External | Passing Juice |
| Python package | External | Passing Juice |
| DeepVenn | External | Passing Juice |
| papers that cited BioVenn | External | Passing Juice |
| this older version | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
tahoma times bold new grey verdana courier sans arial roman
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| grey | 40 |  |
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| new | 25 | |
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| arial | 12 | |
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| verdana | 12 | |
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Usability
Url
Domain : biovenn.nl
Length : 10
Favicon
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Printability
We could not find a Print-Friendly CSS.
Language
You have not specified the language. Use this free meta tags generator to declare the intended language of your website.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
Missing doctype
Encoding
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W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <center> | 1 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
Speed Tips
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Attention! Try to avoid nested tables in HTML. |
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Perfect. No inline css has been found in HTML tags! |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://biovenn.nl/sitemap.xml |
| http://biovenn.nl/sitemap.xml |
Robots.txt
https://biovenn.nl/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Clicky |
PageSpeed Insights
Device
Categories
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