Decode.com - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
79% 
Page structure
97% 
Link structure
77% 
Server
44% 
External factors
100% 
SEO Score
Response time
1.66 s
File size
228.10 kB
Words
512
Media files
10
Number of links
51 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
deCODE genetics | a global leader in human genetics
The length of the page title is perfect. (479 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.decode.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: Iceland
The following language is defined by HTML: en-us
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
robotsmax-image-preview:large
generatorDivi v.4.27.4
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
hubbub-infoEmpty
article:published_time2024-02-26T16:22:28+00:00
article:modified_time2024-07-15T12:30:16+00:00
langen-us
twitter:cardsummary_large_image
twitter:title24front
twitter:descriptionEmpty
og:localeen_US
og:typearticle
og:title24front
og:descriptionEmpty
og:urlhttps://www.decode.com/
og:site_namedeCODE genetics
og:updated_time2024-07-15T12:30:16+00:00
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 512 words. That's ok.
29.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
9 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 13.33 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 16 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 10 tags for this page.
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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
...deCODE-genetics-logo-transparent-web.pngdeCODE genetics
/wp-content/uploads/2016/11/Icelandic.pngicelandic
...ent/uploads/2024/02/decode-logo-2024.pngNo alt attribute provided
...ds/2025/05/Hakon-Gudny-IMG_9421litil.jpgLethal mutations in pregnancy loss
...ari-Stefansson-SDIM0185-web-1080x675.jpgDECODE ANNOUNCES NEW LEADERSHIP UPDATES 
...-Gardar-Andrea-web-PANA8202-1080x675.jpgA rare missense variant in FRS3 associates with lower body mass index and protection against obesity
...polar-disorder-web-PANA8161-1080x675.jpgRare loss-of-function variants in HECTD2 and AKAP11 confer a risk of bipolar disorder
/wp-content/uploads/2016/11/Icelandic.pngicelandic

Page structure

H1 heading
(Critically important)
deCODE GENETICS
The H1 heading is too short (15 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 deCODE GENETICS
H2 Lethal mutations in pregnancy loss
H2 DECODE ANNOUNCES NEW LEADERSHIP UPDATES
H2 A rare missense variant in FRS3 associates with lower body mass index and protection against obesity
H2 Rare loss-of-function variants in HECTD2 and AKAP11 confer a risk of bipolar disorder
H2 deCODE genetics celebrates 25 years
H2 Your Title Goes Here
H3 UNIQUE EXPERTISE
H3 UNIQUE CAPABILITIES
H3 OUR PUBLICATIONS
H4 Award by the American Society of Human Genetics
H4 ABOUT deCODE
H4 MANAGEMENT
H4 LATEST NEWS
H4 ADDRESS
Some anchor texts are used more than once.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.decode.com/Subdomain IMG-ALT deCODE genetics
https://www.decode.com/Subdomain HOME
https://www.decode.com/company/Subdomain COMPANY
https://www.decode.com/company/Subdomain ABOUT deCODE
/management/Subdomain MANAGEMENT
https://www.decode.com/policies/Subdomain POLICIES
https://www.decode.com/press/Subdomain MEDIA RESOURCES
https://www.decode.com/research/Subdomain SCIENCE
/publications/Subdomain PUBLICATIONS
/news-events/Subdomain NEWS
https://www.decode.com/careers/Subdomain CAREERS
https://www.decode.com/contact/Subdomain CONTACT
https://www.decode.is/External Subdomain IMG-ALT icelandic
https://www.decode.com/researchOUR RESEARCH
/publicationsText duplicate PUBLICATIONS
/lethal-mutations-in-pregnancy...Subdomain IMG-ALT Lethal mutations in pregnancy loss
/lethal-mutations-in-pregnancy...Subdomain Text duplicate Lethal mutations in pregnancy loss
/category/news/Subdomain Text duplicate NEWS
/decode-announces-new-leadersh...Subdomain IMG-ALT DECODE ANNOUNCES NEW LEADERSHIP UPDATES
/decode-announces-new-leadersh...Subdomain Text duplicate DECODE ANNOUNCES NEW LEADERSHIP UPDATES
/category/decode-genetics/Subdomain Text duplicate deCODE genetics
/category/news/Subdomain Text duplicate NEWS
/a-rare-missense-variant-in-fr...Subdomain IMG-ALT A rare missense variant in FRS3 associates with lower body mass index and protection against obesity
/a-rare-missense-variant-in-fr...Subdomain Text duplicate A rare missense variant in FRS3 associates with lower body mass index and protection against obesity
/category/news/Subdomain Text duplicate NEWS
/rare-loss-of-function-variant...Subdomain IMG-ALT Rare loss-of-function variants in HECTD2 and AKAP11 confer a risk of bipolar disorder
/rare-loss-of-function-variant...Subdomain Text duplicate Rare loss-of-function variants in HECTD2 and AKAP11 confer a risk of bipolar disorder
/category/news/Subdomain Text duplicate NEWS
/news-events/Subdomain MORE NEWS
https://www.decode.com/research/Subdomain UNRIVALED CAPABILITIES
A-TITLE SCIENCE
/publications/Subdomain SELECTED PUBLICATIONS
A-TITLE SELECTED PUBLICATIONS
/25th-anniversary-of-decode-ge...Subdomain deCODE genetics celebrates 25 years
/25th-anniversary-of-decode-ge...Subdomain Trivial anchor text
MORE
https://www.decode.com/Subdomain Text duplicate HOME
https://www.decode.com/company/Subdomain Text duplicate COMPANY
https://www.decode.com/company/Subdomain Text duplicate ABOUT deCODE
/management/Subdomain Text duplicate MANAGEMENT
https://www.decode.com/policies/Subdomain Text duplicate POLICIES
https://www.decode.com/press/Subdomain Text duplicate MEDIA RESOURCES
https://www.decode.com/research/Subdomain Text duplicate SCIENCE
/publications/Subdomain Text duplicate PUBLICATIONS
/news-events/Subdomain Text duplicate NEWS
https://www.decode.com/careers/Subdomain Text duplicate CAREERS
https://www.decode.com/contact/Subdomain Text duplicate CONTACT
https://www.decode.is/External Subdomain Text duplicate IMG-ALT icelandic
/management/Subdomain Text duplicate MANAGEMENT
https://www.decode.com/policies/Subdomain Text duplicate POLICIES
https://www.decode.com/careers/Subdomain Text duplicate CAREERS
/available-positions/Subdomain AVAILABLE POSITIONS
https://www.decode.com/contact/Subdomain Text duplicate CONTACT
/news-events/Subdomain Text duplicate NEWS
/lethal-mutations-in-pregnancy...Subdomain Text duplicate Lethal mutations in pregnancy loss
/decode-announces-new-leadersh...Subdomain Text duplicate DECODE ANNOUNCES NEW LEADERSHIP UPDATES

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.decode.com/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (1.66 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 16 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (228 kB).

HTTP Response Header

NameValue
servernginx/1.20.1
dateThu, 31 Jul 2025 11:11:16 GMT
content-typetext/html; charset=UTF-8
content-length37742
connectionkeep-alive
x-powered-byPHP/8.0.30
x-frame-optionsSAMEORIGIN
link<https://www.decode.com/>; rel=shortlink
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=63072000; includeSubDomains; preload
x-content-type-optionsnosniff
x-xss-protection1; mode=block
referrer-policyno-referrer-when-downgrade
feature-policyaccelerometer 'none'; camera 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; payment 'none'; usb 'none'
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 397 referring domains.
This page has 1,096 backlinks.
This page has backlinks from 319 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

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

Sitemap: https://www.decode.com/wp-sitemap.xml

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Search preview

Most important keywords

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

KeywordResultRecheck
deCODE81%Check
deCODE GENETICS75%Check
GENETICS70%Check
Human Genetics61%Check
leader52%Check
human49%Check
Global Leader49%Check
rare44%Check
variant44%Check
new44%Check
Show more keywords and terms

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