Xl-protein.com - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
44% 
Page structure
79% 
Link structure
67% 
Server
79% 
External factors
100% 
SEO Score
Response time
0.86 s
File size
72.30 kB
Words
206
Media files
3
Number of links
49 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
XL-protein: the PASylation company - superior drugs with extended half-life
The page title should be shorter than 580 pixels. It is 673 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The genetic fusion or chemical coupling of biopharmaceuticals with fully biodegrable PAS sequences creates superior biopharmaceuticals with enhanced action.
The length of the meta description is perfect. (987 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://xl-protein.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-gb
Server location: United States of America
The following language is defined by HTML: en-gb
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionThe genetic fusion or chemical coupling of biopharmaceuticals with fully biodegrable PAS sequences creates superior biopharmaceuticals with enhanced action.
generatorWooCommerce 5.6.2
article:modified_time2022-09-28T14:09:41+00:00
langen-gb
twitter:cardsummary
twitter:label1Estimated reading time
twitter:data12 minutes
og:localeen_GB
og:typewebsite
og:titleXL-protein: the PASylation company - superior drugs with extended half-life
og:descriptionThe genetic fusion or chemical coupling of biopharmaceuticals with fully biodegrable PAS sequences creates superior biopharmaceuticals with enhanced action.
og:urlhttps://xl-protein.com/
og:site_nameXL-protein offers PASylation, a biological alternative to PEGylation
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 206 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
The average number of words per sentence of 31.5 words is high.
21.4% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
4 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
2 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
.../wp-content/uploads/2021/02/XLplogo3.pngXL-protein offers PASylation, a biological alternative to PEGylation
...ress/wp-content/uploads/2016/09/IZB6.pngNo alt attribute provided
...ent/uploads/2016/06/XLlogoweißklein2.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Superior Biopharmaceuticals
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Superior Biopharmaceuticals
H3 Technology
H3 Partnering
H3 News and Publications
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://xl-protein.com/basket/0Shopping Cart
https://xl-protein.com/IMG-ALT XL-protein offers PASylation, a biological alternative to PEGylation
https://xl-protein.com/About
https://xl-protein.com/Corporate overview
https://xl-protein.com/team/Leadership team
/pasylation/technology/Technology
/pasylation/technology/Overview
/pasylation/technology/Applications
/partnering/eye-disease/Eye diseases
/interleukins/Cytokines
A-TITLE Applications: Cytokines
/pasylated-enzymes/Enzymes
/peptides-2/Peptides
/pasylation-of-antibody-fragme...Antibody fragments
/drug-delivery/Nanoparticles
/tumor-imaging-using-pasylation/In vivo imaging
/animalhealth-2/AnimalHealth
/pas-technology/PAS-Advantages
/intellectual-property/Intellectual property
/partnering/Partnering
/partnering/Text duplicate Partnering
/press-releases/News & Publications
/press-releases/Press Releases
/newsletter/Receive our Press Releases
/partners-press-releases/Partner’s Press Releases
/key-publications/Key publications
/various-publications/Various publications
https://xl-protein.com/careers/Careers
https://xl-protein.com/contact/Contact
https://xl-protein.com/contact/Text duplicate Contact
https://xl-protein.com/imprint/Imprint
/disclaimer/Disclaimer
https://xl-protein.com/shop/PAS-Shop
https://xl-protein.com/shop/Products
https://xl-protein.com/terms/Terms & Conditions
/dataprivacy/Privacy Policy
/shipping-methods/Shipping
https://xl-protein.com/?sNofollow Search
/pasylation/technology/Text duplicate A-TITLE Technology
/pasylation/technology/Text duplicate Technology
A-TITLE Technology
/pasylation/technology/Learn more
/partnering/Text duplicate Learn more
/2022/09/28/bavarian-research-...Bavarian Research Foundation supports the development of an immunosuppressive PASylated antibody fragment to support cardiac xenotransplantation
/2021/10/26/rentschler-biophar...Rentschler Biopharma and XL-protein demonstrate efficient production of a hyperactive PASylated DNase I with extended half-life
https://xl-protein.com/imprint/Imprint |
/disclaimer/Disclaimer |
/dataprivacy/Data Privacy Policy
https://xl-protein.com/terms/Text duplicate Terms & Conditions
http://xl-protein.com/contact/New window Mail
A-TITLE Mail
https://xl-protein.com/Anchor Scroll to top
A-TITLE Scroll to top

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.86 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (72 kB).

HTTP Response Header

NameValue
servernginx
dateMon, 23 Sep 2024 20:25:31 GMT
content-typetext/html; charset=UTF-8
content-length13356
link<https://xl-protein.com/wp-json/>; rel="https://api.w.org/", <https://xl-protein.com/wp-json/wp/v2/pages/1324>; rel="alternate"; type="application/json", <https://xl-protein.com/>; rel=shortlink
varyAccept-Encoding
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 49 referring domains.
This page has 101 backlinks.
This page has backlinks from 43 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wordpress/wp-admin/
Allow: /wordpress/wp-admin/admin-ajax.php

Similar sites

Search preview

xl-protein.com
XL-protein: the PASylation company - superior drugs with extended h...
The genetic fusion or chemical coupling of biopharmaceuticals with fully biodegrable PAS sequences creates superior biopharmaceuticals with enhanced action.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Superior72%Check
Superior Biopharmaceuticals66%Check
Biopharmaceuticals62%Check
XL-protein61%Check
PASylation48%Check
enhanced46%Check
action46%Check
extended half-life46%Check
full46%Check
extended45%Check
Show more keywords and terms

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