SEO report of callisto-space.com
Redirected to www.callisto-space.com/en/
Callisto
www.callisto-space.com/en/
Callisto, Engineering expertise for space communications.
Tasks
- 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.callisto-space.com/en/
Character length : 26
Title
Callisto
Description
Callisto, Engineering expertise for space communications.
Keywords (meta keywords)
mot1, Callisto
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol
Good! The OG (Open Graph) protocol is set on this website.
title: Callisto
description: Callisto, Engineering expertise for space communications.
image: http://www.callisto-space.com/assets/img/social-logo.png
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
There is robots.txt file.
Social
Social Engagement
Linkedin1
Facebook Share0
Facebook Comments0
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
Callisto
Character length : 8
Improve! The website address (title) should be between 10 and 70 characters in length.
Character length : 8
Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 16%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 5 | 2 | 3 | 3 | 0 |
Heading structure in the source code
- <H1>
- <H2> Engineering expertise forspace communications
- <H2> Low noise amplifiers
- <H2> Focusing on your objectives
- <H2> Spacecommunications
- <H2> Radioastronomy /VLBI
- <H3> Products & News
- <H4> Low Energy Cryogenic Solutions for SKA
- <H4> Callisto at CommunicAsia 2017 in Singapore
- <H3> Our main clients
- <H4> Solutions for Space Engineering
- <H5> Consultancy Services:
- <H5> Products Development:
- <H5> Research and Development:
Word cloud
- cryogenic14
- lna9
- services7
- test6
- overview6
- engineering6
- products6
- development5
- noise5
- station4
- space4
- ground4
- ambient3
- low3
- callisto3
- read3
- communications3
- studies3
- system3
- lnas3
- wideband2
- vlbi2
- radioastronomy2
- experience2
- news2
- research2
- domains2
- software2
- r&d2
- ultra2
- qrfh2
- systems2
- waveguide2
- ska2
- compact2
- solutions2
- measurement2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| cryogenic | |||
| lna | |||
| services | |||
| test | |||
| overview | |||
| engineering |
Two Word cloud
- test services2
- cryogenic lna2
- cryogenic test2
- cryogenic engineering2
- overview cryogenic2
- for space2
Three Word cloud
- cryogenic test services2
- ground station engineering2
404 Page
The website has no standard 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 23 images on this web page.
Alternate attributes for the following 12 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 12 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
- http://www.callisto-space.com/.. /ska-meeting-low-energy-cryogenic-solutio...
- http://www.callisto-space.com/.. /callisto-at-communicasia-2017-in-singapo...
- http://www.callisto-space.com/.. /14_eumetsat-logo-2.jpg
- http://www.callisto-space.com/.. /7_inmarsat-logo-1-1.jpg
- http://www.callisto-space.com/.. /8_centre-national-d-etudes-spatiales-log...
- http://www.callisto-space.com/images/90x90/accueil/_/12_esa-3.jpg
- http://www.callisto-space.com/images/90x90/accueil/_/16_logo-sed.jpg
- http://www.callisto-space.com/.. /15_customer-logos.png
- http://www.callisto-space.com/.. /18_vertex-90-pixels.jpg
- http://www.callisto-space.com/.. /17_logo-tas-jpg.jpg
- http://www.callisto-space.com/.. /20_logo-zodiacjpg.jpg
- http://www.callisto-space.com/.. /19_logo-sofradir.jpg
Readability
Flesch–Kincaid Grade Level
10.30
Flesch Reading Ease
25.90
Coleman Liau Index
12.00
Automated Readability Index (ARI)
9.70
Dale–Chall Readability
10.00
SMOG Index
9.10
Spache Readibility
5.00
Number of letters
964
Number of words
153
Number of sentences
54
Average words per sentences
3
Number of syllables
322
Syllables in words
318
Average syllables in words
2.10
Number of words in first three syllables
56
Percentage of word / syllables
36.60
Words not in Dale-Chall easy-word list
100
Words not in Spache easy-word list
58
Technologies
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
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.
Table layout
Good! No nested tables found.
Number of HTTP resources
43
Number of source domains
2
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://www.callisto-space.com/en/assets/js/script-accueil.js
- http://www.callisto-space.com/en/assets/css/style-accueil.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.callisto-space.com/en/assets/js/script-accueil.js
File size of all javascript files combined
214.94KB
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
- http://www.callisto-space.com/en/assets/css/style-accueil.css
File size of all css files combined
138.61KB
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
24.82KB
Gzip compression
Error! By using Gzip you can save 124.2KB (69% compression) on your site.
- By compressing http://www.callisto-space.com/en/assets/js/script-accueil.js you can save 124.2KB (69% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
22
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.callisto-space.com/assets/img/content/antenne-2a.png | Expiry time is not specified |
| http://www.callisto-space.com/assets/img/content/antenne-2b.png | Expiry time is not specified |
| http://www.callisto-space.com/.. /engineering-expertise-for-space-communic... | Expiry time is not specified |
| http://www.callisto-space.com/.. /radioastronomy-VLBI.jpg | Expiry time is not specified |
| http://www.callisto-space.com/assets/img/content/satellite.png | Expiry time is not specified |
| http://www.callisto-space.com/assets/img/content/saturne.png | Expiry time is not specified |
| http://www.callisto-space.com/.. /space-communications.jpg | Expiry time is not specified |
| http://www.callisto-space.com/assets/img/logo-agoravita.png | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/background/bg-actu.png | Expiry time is not specified |
| http://www.callisto-space.com/.. /bg-contact.png | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/background/bg-news.jpg | Expiry time is not specified |
| http://www.callisto-space.com/.. /bg-slider-2.png | Expiry time is not specified |
| http://www.callisto-space.com/.. /bg-solutions.jpg | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/callisto.png | Expiry time is not specified |
| http://www.callisto-space.com/.. /low-noise-amplifiers.jpg | Expiry time is not specified |
| http://www.callisto-space.com/.. /to-guide-you-according-to-your-objective... | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/picto/picto-antenne.png | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/picto/picto-linkedin.png | Expiry time is not specified |
| http://www.callisto-space.com/.. /picto-liste-blue-big.png | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/picto/picto-next.png | Expiry time is not specified |
| http://www.callisto-space.com/en/assets/img/picto/picto-prev.png | Expiry time is not specified |
| http://www.google-analytics.com/analytics.js | 2 hours |
Speed test – Images
File size of all images combined
1.33MB
Image optimisation
You can save 449.2KB (41% compression) by optimising the images below:
- By lossless compressing the http://www.callisto-space.com/.. /low-noise-amplifiers.jpg you can save 156.4KB (53%) data.
- By lossless compressing the http://www.callisto-space.com/.. /to-guide-you-according-to-your-objective... you can save 145.9KB (50%) data.
- By lossless compressing the http://www.callisto-space.com/.. /bg-solutions.jpg you can save 40.4KB (46%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/background/bg-news.jpg you can save 32.8KB (51%) data.
- By lossless compressing the http://www.callisto-space.com/.. /engineering-expertise-for-space-communic... you can save 16.1KB (13%) data.
- By lossless compressing the http://www.callisto-space.com/assets/img/content/antenne-2a.png you can save 13.4KB (20%) data.
- By lossless compressing the http://www.callisto-space.com/assets/img/content/antenne-2b.png you can save 12.4KB (25%) data.
- By lossless compressing the http://www.callisto-space.com/.. /radioastronomy-VLBI.jpg you can save 6.1KB (17%) data.
- By lossless compressing the http://www.callisto-space.com/.. /space-communications.jpg you can save 4.2KB (19%) data.
- By lossless compressing the http://www.callisto-space.com/.. /18_vertex-90-pixels.jpg you can save 3KB (62%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/callisto.png you can save 2.5KB (29%) data.
- By lossless compressing the http://www.callisto-space.com/.. /callisto-to-undertake-cryogenic-study-fo... you can save 1.8KB (22%) data.
- By lossless compressing the http://www.callisto-space.com/.. /15_customer-logos.png you can save 1KB (19%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/picto/picto-prev.png you can save 1,021B (73%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/picto/picto-linkedin.png you can save 1,009B (61%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/picto/picto-next.png you can save 1,009B (73%) data.
- By lossless compressing the http://www.callisto-space.com/.. /8_centre-national-d-etudes-spatiales-log... you can save 987B (25%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/picto/picto-antenne.png you can save 954B (62%) data.
- By lossless compressing the http://www.callisto-space.com/.. /picto-liste-blue-big.png you can save 941B (85%) data.
- By lossless compressing the http://www.callisto-space.com/.. /bg-slider-2.png you can save 903B (43%) data.
- By lossless compressing the http://www.callisto-space.com/.. /bg-contact.png you can save 898B (73%) data.
- By lossless compressing the http://www.callisto-space.com/assets/img/logo-agoravita.png you can save 869B (46%) data.
- By lossless compressing the http://www.callisto-space.com/.. /7_inmarsat-logo-1-1.jpg you can save 776B (33%) data.
- By lossless compressing the http://www.callisto-space.com/images/90x90/accueil/_/12_esa-3.jpg you can save 665B (28%) data.
- By lossless compressing the http://www.callisto-space.com/.. /14_eumetsat-logo-2.jpg you can save 640B (29%) data.
- By lossless compressing the http://www.callisto-space.com/.. /17_logo-tas-jpg.jpg you can save 589B (27%) data.
- By lossless compressing the http://www.callisto-space.com/images/90x90/accueil/_/16_logo-sed.jpg you can save 578B (30%) data.
- By lossless compressing the http://www.callisto-space.com/en/assets/img/background/bg-actu.png you can save 566B (31%) data.
- By lossless compressing the http://www.callisto-space.com/.. /20_logo-zodiacjpg.jpg you can save 527B (31%) data.
- By lossless compressing the http://www.callisto-space.com/.. /19_logo-sofradir.jpg you can save 498B (31%) data.
Links
We found a total of 65 different links.
Internal links: 53
External links: 12
Internal links: 53
External links: 12
External links:
Internal links:
Website security
IP
94.23.4.18
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
Good! We have not found any unencrypted email addresses.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Typos
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