SEO report of astrohandbook.com
Handbook of Space Astronomy & Astrophysics
www.astrohandbook.com/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Make the site mobile device friendly.
- Select one version of your site as main and make a redirect from other versions to that one.
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.astrohandbook.com/
Character length : 22
Title
Handbook of Space Astronomy & Astrophysics
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!
Social
Social Engagement
Linkedin1
Facebook Share0
Facebook Comments0
Content
Doctype
Missing doctype element
Encoding
Error! The character encoding setting is missing!
Language
Error! No language localization is found.
Title
Handbook of Space Astronomy & Astrophysics
Character length : 42
Good! The title’s length is between 10 and 70 characters.
Character length : 42
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 72%
Ooops! The text / HTML code ratio on the website is 70 percent. This value is too high! Search engines can easily mark this as a spammy content.
Ooops! The text / HTML code ratio on the website is 70 percent. This value is too high! Search engines can easily mark this as a spammy content.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 1 | 0 | 0 | 0 |
Heading structure in the source code
- <H3> Handbook of Space Astronomy and Astrophysics
Word cloud
- astronomy13
- astrophysics11
- physics6
- information5
- handbook5
- edition4
- space4
- pages3
- most3
- modern3
- number3
- reviews2
- students2
- comprehensive2
- double2
- last2
- university2
- radiation2
- tables2
- foreword2
- contents2
- martin2
- preface2
- advanced2
- plasma2
- mathematics2
- range2
- probability2
- relativity2
- contains2
- version2
- experimental2
- atomic2
- index2
- statistics2
- paperback2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| astronomy | |||
| astrophysics | |||
| physics | |||
| information | |||
| handbook | |||
| edition |
Two Word cloud
- modern astrophysics3
- space astronomy2
- plasma physics2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 1 images on this web page.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 648px wide display!
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <center> | 3 |
| <font> | 8 |
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <center> | 3 |
| <font> | 8 |
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Speed test
Server response time
The server response time is fast enough.
Loading time
798 ms
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
0.00
Gzip compression
Your site uses compression.
Speed test – Browser cache
Browser cache
The browser cache is set correctly for all elements.
Speed test – Images
File size of all images combined
0.00
Image optimisation
All images are optimized.
Traffic
Alexa
2265467
Links
We found a total of 3 different links.
Internal links: 3
Internal links: 3
External links:
| Link text (anchor) | Link strength |
|---|
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| More Reviews | |
| Reviews | |
| Links to Web Resources |
Website security
IP
192.252.144.22
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Warning! The website contains at least one unencrypted email address.
Sites on same ip
Icons
Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H3 : Handbook of Space Astronomy and Astrophysics, ( 16px from top )
Typos
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