Nibbler SEO audit for lexsrv3.nlm.nih.gov

Overall8.6

The overall score for this website.

Accessibility10.0

How accessible the website is to mobile and disabled users.

The following tests contribute to this score:

Mobile 10
Page titles 10
Headings 10
Internal links 10
URL format 10

Experience8.4

How satisfying the website is likely to be for users.

The following tests contribute to this score:

Freshness1.6
Amount of content6.2
Server behaviour8.0
Mobile 10
Images 10
Internal links 10
Printability 10
URL format 10

Marketing6.3

How well marketed, and popular the website is.

The following tests contribute to this score:

Freshness1.6
Meta tags2.0
Amount of content6.2
Analytics 10
Page titles 10
Headings 10
Internal links 10

Technology9.1

How well designed and built the website is.

The following tests contribute to this score:

Meta tags2.0
Server behaviour8.0
Mobile 10
Headings 10
Images 10
Internal links 10
Printability 10
URL format 10

Nibbler tested a sample of 1 pages from this website at 07:17 on 10 Apr 2024 (BST).

Want white-label SEO audits to share with your clients?

Top priorities for website improvement

Make sure that all the pages of this website include a meta description. If you don't include one, Google will choose a sample of text from the page to appear in the search engine result. By including a meta description, you can control how your search engine result will appear. (read more)
Consider updating this website regularly with new content. (read more)
Consider the amount of text on this website and increase it if appropriate. (read more)

Freshness1.6

Help

Last updated February 18, 2022

It looks like this website was last updated on Friday, 18 February 2022. This is bad because visitors may dismiss this website as outdated. Websites that are not updated regularly are also spidered by search engines less often.
- Consider updating this website regularly with new content.
To find this information we used the last modified dates reported by this website's server in addition to looking for dates written on each page.

All dates found

Date	File	Source
18/02/2022	lexsrv3.nlm.nih.gov/	Last modified header

Meta tags2.0

Help

All pages include at least some metadata, but no pages have a description meta tag. The description meta data is important as it appears on Google's search result pages.
- Make sure that all the pages of this website include a meta description. If you don't include one, Google will choose a sample of text from the page to appear in the search engine result. By including a meta description, you can control how your search engine result will appear.
  Pages with no meta description
  Page URL
  lexsrv3.nlm.nih.gov/

Page URL
lexsrv3.nlm.nih.gov/

Meta Tags (name attribute)

Page URL	Name	Content
lexsrv3.nlm.nih.gov/	viewport	width=device-width, initial-scale=1

Meta Tags (http-equiv attribute)

Page URL	Name	Content
lexsrv3.nlm.nih.gov/	X-UA-Compatible	IE=edge

Amount of content6.2

Help

Rendering Chart...

This website has an average of 102 words per page. The amount of content on a website has been shown to correlate with its search engine ranking.
- Consider the amount of text on this website and increase it if appropriate.

Amount of content discovered

Page	Characters	Words
lexsrv3.nlm.nih.gov/	771	102

Server behaviour8.0

Help

404 page

Yes Compression

This website does not return a 404 error HTTP status code for missing pages. This is bad because search engines like Google might mistake this for a real page of content.
- Ensure your web server returns a 404 HTTP status code for error pages.
  Incorrectly handling 404
  Page HTTP code
  lexsrv3.nlm.nih.gov/66162ee270fa69.99747453 200
This website was served with GZIP encoding. This is very good because it reduces the loading time of a web page.
This test is not applicable as this website appears to be on a subdomain.

Page	HTTP code
lexsrv3.nlm.nih.gov/66162ee270fa69.99747453	200

Mobile10.0

Help

Mobile screenshot of lexsrv3.nlm.nih.gov

Tablet screenshot of lexsrv3.nlm.nih.gov

All of this website appears to be optimised for viewing on a mobile phone or a tablet.

Media specific CSS detected

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all	-	767px	www.nlm.nih.gov/.../nlm_main.css
all	1200px	1279.98px	www.nlm.nih.gov/.../nlm_main.css
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all	600px	1199.98px	www.nlm.nih.gov/.../nlm_main.css
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Analytics10.0

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100% of pages use analytics

Google Tag Manager

Every page in this website is using Google Tag Manager. This is excellent and should allow for a complete analysis of visitor behaviour.

Page titles10.0

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100% of pages have defined titles

0% of page titles are weak

All pages were found to use page titles appropriately. Page titles appear in search results and at the top of the browser's window when visiting the site. Appropriate page titles are particularly important for search engine optimisation.

Page titles

Page title	Notes
There seems to be an error	OK

Headings10.0

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All pages were found to use defined headings. This is excellent as it allows visitors and search engines to summarise the content of webpages quickly. Correctly defined headings aid accessibility and are particularly important for search engine optimisation.

Page headings detail

URL	Heading	Level
lexsrv3.nlm.nih.gov/	The web site is currently under maintenance.	H1
lexsrv3.nlm.nih.gov/	COVID-19 Information	H3
lexsrv3.nlm.nih.gov/	we are sorry for the inconvenience	H3

Images10.0

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0% of images have a clearly defined size

No images are being resized by the browser

No images have defined sizes.

Add width and height attributes to all image tags. The width and height you specify should be the same as the source image. If you want to resize an image in the browser, use CSS.

Non Explicitly Sized Images

Image URL	Format	Page URL
lhncbc.nlm.nih.gov/.../logo-NIH-block.png	png	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/.../logo-NLM-block.png	png	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/.../logo-LHC-block.png	png	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/assets/.../close.svg	svg	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/.../ASPA_Badge_CC10_Final_smaller.jpg	jpg	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/images/Twitter_W.svg	svg	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/images/Facebook_W.svg	svg	lexsrv3.nlm.nih.gov/
lhncbc.nlm.nih.gov/images/YouTube_W.svg	svg	lexsrv3.nlm.nih.gov/

Internal links10.0

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Every link tested appears to be well defined. This is good because well defined links help SEO and aid accessibility.

Printability10.0

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100% of pages are optimised for printing

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Media specific CSS detected

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all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
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all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	30em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	-	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	-	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	-	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	-	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	-	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	-	63.99em	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	30em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	30em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	30em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	40em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	64em	-	lhncbc.nlm.nih.gov/.../uswds.min.css
all	992px	1279px	lhncbc.nlm.nih.gov/.../LHC_main.css
all	768px	991px	lhncbc.nlm.nih.gov/.../LHC_main.css
all	-	768px	lhncbc.nlm.nih.gov/.../LHC_main.css
all	1024px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
all	-	640px	lhncbc.nlm.nih.gov/.../LHC_main.css
all	300px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
all	576px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
all	768px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
all	992px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
all	1024px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
all	1280px	-	lhncbc.nlm.nih.gov/.../LHC_main.css
print	-	-	lhncbc.nlm.nih.gov/.../LHC_main.css

URL format10.0

Help

Every URL is well written

Twitteri

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This website does not appear to be associated with a Twitter account.

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Popularityi

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Sorry, it was not possible to determine the popularity for this website.

Source: Ahrefs

Domain agei

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Sorry, we cannot check the domain age of .gov websites.

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	Nibbler	Insites
Tests	17 fixed tests	50+ testsCovers SEO, SEM, Google My Business, reviews, social media and much more
Add your branding	No	Yes
Export & share	No	PDF & link
Lead generation	No	Embed on your site
Competitor audits	No	Yes
Test as a batch	No	Yes
Integrations + API	No	Yes
Multi-lingual	No	20+ languages
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Track competitors	No	YES
Track SERP rankings	No	YES
Keyword suggestions	No	YES
Issue notifications	No	YES
Continuous monitoring	No	YES
Multi-lingual	No	YES
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Nibbler tested the following pages

https://lexsrv3.nlm.nih.gov/

Nibbler SEO audit for lexsrv3.nlm.nih.gov

Summary

Overall8.6

Accessibility10.0

Experience8.4

Marketing6.3

Technology9.1

Top priorities for website improvement

Freshness1.6

All dates found

Meta tags2.0

Pages with no meta description

Meta Tags (name attribute)

Meta Tags (http-equiv attribute)

Amount of content6.2

Amount of content discovered

Server behaviour8.0

Incorrectly handling 404

Mobile10.0

Media specific CSS detected

Analytics10.0

Page titles10.0

Page titles

Headings10.0

Page headings detail

Images10.0

Non Explicitly Sized Images

Internal links10.0

Printability10.0

Media specific CSS detected

URL format10.0

Twitteri

Popularityi

Domain agei

Fast, branded website audits

Nibbler

Insites

Fast, branded website audits

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SEOpal

Nibbler tested the following pages