Vividtrial.org - SEO Checker

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Overview of the SEO Check
Meta information
58% 
Page quality
73% 
Page structure
100% 
Link structure
98% 
Server
24% 
External factors
100% 
SEO Score
Response time
4.65 s
File size
56.00 kB
Words
2730
Media files
20
Number of links
10 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
VIVID
The page title is too short. (55 pixels of 580 max pixel length) Optimize title
The page title is only one word.
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.vividtrial.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
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
viewportwidth=device-width, initial-scale=1
robotsmax-image-preview:large
langen-us
X-UA-Compatibleie=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 2730 words. That's ok.
38.3% 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.
46 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 21.75 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 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 105 characters this one is longer than 70 characters:
"our study is open to people across the u.s. aged ≥18 years who have been recently diagnosed with covid..."
Image SEO
(Somewhat important)
17 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
...pped-VIVID-logo-png-1-e1604886158896.pngVIVID
...manson-joann-e1606959542902-768x1024.jpgNo alt attribute provided
...oads/2020/12/wang-rui-e1607092887923.jpgNo alt attribute provided
...ploads/2020/12/ganmaa-e1607371456195.jpgNo alt attribute provided
.../12/victor-degruttola-e1607371591501.pngNo alt attribute provided
...ndler-scaled-e1607371777440-767x1024.jpgNo alt attribute provided
...mayer-scaled-e1607371885948-768x1024.jpgNo alt attribute provided
...2020/12/susan-redline-e1607372098137.jpgNo alt attribute provided
...stone-scaled-e1607372183973-768x1024.jpgNo alt attribute provided
...ploads/2020/12/howard-sesso-683x1024.jpgNo alt attribute provided
.../aditi-hazra-e1607372255791-767x1024.jpgNo alt attribute provided
...lett-scaled-e1607372426904-768x1024.jpegNo alt attribute provided
...oads/2020/12/todd-lee-e1607372481275.jpgNo alt attribute provided
...onald-scaled-e1607372685275-767x1024.jpgNo alt attribute provided
...sha-copeland-rotated-e1607441138400.jpegNo alt attribute provided
...nberg-scaled-e1607372933940-767x1024.jpgNo alt attribute provided
...-clar-scaled-e1607372746958-769x1024.jpgNo alt attribute provided
.../12/michael-rueschman-e1607441689354.jpgNo alt attribute provided
Video URLWidthHeight
...youtube.com/embed/3mq5s2LmJpg?rel=0560315
...youtube.com/embed/OytWd1r_kkY?rel=0560315

Page structure

H1 heading
(Critically important)
Vitamin D for COVID-19 (VIVID) study
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Vitamin D for COVID-19 (VIVID) study
H2 Study Design
H2 Participant Information
H2 Vitamin D Information
H2 Our Team
H2 Other Resources
H2 Contact Us
Some anchor texts are used more than once.
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 6 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.vividtrial.org/Anchor Skip to content
https://www.vividtrial.org/Subdomain IMG-ALT VIVID
https://www.vividtrial.org/Subdomain Text duplicate VIVID
https://www.vividtrial.org/Anchor Study Design
https://www.vividtrial.org/Anchor Participant Information
https://www.vividtrial.org/Anchor Vitamin D Information
https://www.vividtrial.org/Anchor Our Team
/wp-content/uploads/2021/02/VI...Subdomain Read the video script – PDF
/wp-content/uploads/2020/12/VI...Subdomain Read the fingerprick instruction video script – PDF
/wp-content/uploads/2020/12/VI...Subdomain Capitainer Self-Sampling Instructions (PDF)
https://sleepdata.org/New window External National Sleep Research Resource
https://www.clinicaltrials.gov...External Subdomain Vitamin D and COVID-19 Trial – ClinicalTrials.gov
https://www.brighamandwomens.org/External Subdomain Brigham and Women’s Hospital
https://prevmed.bwh.harvard.edu/External Subdomain Division of Preventive Medicine – Brigham and Women’s Hospital
https://sleep.hms.harvard.edu/External Subdomain Division of Sleep Medicine – Brigham and Women’s Hospital
https://wordpress.org/External Proudly powered by WordPress

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.vividtrial.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is very slow (4.65 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 7 CSS files. This may affect the page load time negatively.
This page loads 6 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (56 kB).

HTTP Response Header

NameValue
dateSun, 06 Oct 2024 04:22:38 GMT
serverApache
x-powered-byPHP/8.2.23
link<https://www.vividtrial.org/wp-json/>; rel="https://api.w.org/", <https://www.vividtrial.org/wp-json/wp/v2/pages/256>; rel="alternate"; title="JSON"; type="application/json", <https://www.vividtrial.org/>; rel=shortlink
strict-transport-securitymax-age=15768000; includeSubDomains
content-length57388
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

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 45 referring domains.
This page has 60 backlinks.
This page has backlinks from 41 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: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://www.vividtrial.org/wp-sitemap.xml

Similar sites

Search preview

www.vividtrial.org
VIVID

Most important keywords

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

KeywordResultRecheck
VIVID77%Check
VIVID study69%Check
VIVID trial62%Check
Vitamin59%Check
Study59%Check
COVID-1955%Check
or placebo55%Check
or co-PI55%Check
trial48%Check
taking vitamin48%Check
Show more keywords and terms

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