Website review primer3plus.com
Primer3Plus - Pick Primers
Generated on April 02 2026 20:05 PM
Old data? UPDATE !
The score is 57/100
SEO Content
Title
Primer3Plus - Pick Primers
Length : 26
Perfect, your title contains between 10 and 70 characters.
Description
Primer3Plus picks primers from a DNA sequence using Primer3. This is the latest version straight from the developers with all the new features.
Length : 143
Great, your meta description contains between 70 and 160 characters.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
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 | 5 | 0 | 0 | 0 |
- [H2] Primer3 Debug Information
- [H3] For Primers
- [H3] For Internal Oligos
- [H3] For Primer Pairs
- [H3] Primer3 Input:
- [H3] Primer3 Output:
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 24%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
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 10 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| More... | Internal | Passing Juice |
| Source Code | External | Passing Juice |
| Help | Internal | Passing Juice |
| About | Internal | Passing Juice |
| Primer3-GitHub | External | Passing Juice |
| GEAR-Genomics | External | Passing Juice |
| Contact | Internal | Passing Juice |
| Datenschutzerklärung | Internal | Passing Juice |
| Impressum | Internal | Passing Juice |
| EMBL | External | Passing Juice |
SEO Keywords
Keywords Cloud
primer max end min complementarity primers hyb pick sequence oligo
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| max | 37 |  |
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| primer | 33 |  |
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| oligo | 31 | |
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| sequence | 25 | |
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| end | 24 | |
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Usability
Url
Domain : primer3plus.com
Length : 15
Favicon
Very bad. We have not found shortcut icon. Icons are one of easy ways to attract regular visitors to your website more often.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Attention! Try to avoid nested tables in HTML. |
|
Too bad, your website is using inline styles. |
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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://primer3plus.com/sitemap.xml |
Robots.txt
https://primer3plus.com/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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