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SEO Report for

November 22, 2019 9:27 AM
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• Category
Science  >  Space / Astronomy
• Online since
August 23, 1996 (explore Wayback Machine)
• Age
25 years, 1 month, 5 days
• Alexa Rank
#17.269, is in the world's top 20.000 websites!
• Owner
European Space Agency (ESA) (See more)


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SSL Certificate
This website is not SSL secured (HTTPS). Consider adding a free SSL Certificate.
Title Tag
European Space Agency
Length: 21 (recommended: 10 to 70)
Meta Description
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
Length: 171 (recommended: 50 to 160)
Google preview
Desktop Version

European Space Agency

The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space sc...

Mobile Version

Favicon for

European Space Agency

The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications,...

Great, language/character encoding is specified: utf-8
URL Resolve

No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.

URL Parameters
Great, the domain URLs look clean.
Attribute Value
viewport width=device-width, user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0


The owner has associated the following topics to the website.

The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

European Space Agency Confidence: 91% Arrow up

The European Space Agency (ESA; ASE) is an intergovernmental organisation of 22 member states, dedicated to the exploration of space.

Established in 1975 and headquartered in Paris, France, ESA has a worldwide staff of about 2,000 and an annual budget of about €5.25 billion / US$5.77 billion (2016).

Human spaceflight Confidence: 88% Arrow up

Human spaceflight (also referred to as manned spaceflight) is space travel with a crew or passengers aboard the spacecraft.

Spacecraft carrying people may be operated directly, by human crew, or it may be either remotely operated from ground stations on Earth or be autonomous, able to carry out a specific mission with no human involvement.

Space exploration Confidence: 78% Arrow up

Space exploration is the ongoing discovery and exploration of celestial structures in outer space by means of continuously evolving and growing space technology.

While the study of space is carried out mainly by astronomers with telescopes, the physical exploration of space is conducted both by unmanned robotic space probes and human spaceflight.

Telecommunication Confidence: 72% Arrow up

Telecommunication is the transmission of signs, signals, messages, writings, images and sounds or intelligence of any nature by wire, radio, optical or other electromagnetic systems.

Telecommunication occurs when the exchange of information between communication participants includes the use of technology.

It is transmitted either electrically over physical media, such as cables, or via electromagnetic radiation.

Such transmission paths are often divided into communication channels which afford the advantages of multiplexing.

The term is often used in its plural form, telecommunications, because it involves many different technologies.

Satellite navigation Confidence: 70% Arrow up

A satellite navigation or satnav system is a system that uses satellites to provide autonomous geo-spatial positioning.

It allows small electronic receivers to determine their location (longitude, latitude, and altitude/elevation) to high precision (within a few metres) using time signals transmitted along a line of sight by radio from satellites.

The system can be used for providing position, navigation or for tracking the position of something fitted with a receiver (satellite tracking).

The signals also allow the electronic receiver to calculate the current local time to high precision, which allows time synchronisation.

Satnav systems operate independently of any telephonic or internet reception, though these technologies can enhance the usefulness of the positioning information generated.

WEBSITE SPEED website speed is very slow. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time


This domain loads at the median speed of 2 seconds.

Speed Percentile

41% is faster than approximately 41 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.


This website is ranked #17.269 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Alexa data for

Daily visitors by country

  • daily visitors distribution - Total: 19 countries
  • Flag for IndiaIndia (7.6%)
  • Flag for SpainSpain (6.5%)
  • Flag for United States of AmericaUnited States of America (12.4%)
  • Flag for RomaniaRomania (4.8%)
  • Flag for United Kingdom of Great Britain and Northern IrelandUnited Kingdom of Great Britain and Northern Ireland (3.5%)
  • Flag for FranceFrance (7.2%)
  • Flag for CanadaCanada (27.1%)
  • Flaf icon for other countryOthers (30.9%)

Traffic country ranks

Country Rank
Flag for IndiaIndia #17.587
Flag for SingaporeSingapore #8.561
Flag for TurkeyTurkey #17.133
Flag for Russian FederationRussian Federation #45.150
Flag for SpainSpain #3.880


Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

How looks like on a mobile device such as an iPhone.

How looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 83% #001010
  • 6% #003040
  • 5% #506070
  • 3% #101020
  • 1% #ffffff
  • 0% #e0e0e0
  • 0% #200010
  • 0% #802030
  • 0% #e07080
  • 0% #f0f0f0
  • 0% #7090a0
  • 0% #80a0b0

Text/code ratio's text/code ratio is 3.55%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.
Text / Code Ratio 3.55%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

Headings Arrow up

Great, we found headings on this page.

  • <H1> 0
  • <H2> 6
  • <H3> 57
  • <H4> 0
  • <H5> 0
  • <H6> 0

However, you have not defined a top level heading, or <H1>. It is used to define the most important heading.

We recommend using one top level heading to set up a semantic relationship between that heading and the remainder of the content on a page. It clearly describes to the readers and the search engines what it is about.

2nd level heading
ın the spotlight
Featured videos

For a better readability, only the first 20 <H3> tags are shown below.

3rd level heading
Watch live: second #spacewalkforams (2)
This is esa (2)
Out-of-this-world aspirations
Quick reference: esa's vision and goals for space19+
Road to esa's council at ministerial level
Alt attributes Arrow up

We found 128 images on this website.
48 ALT attributes are missing on your image tags. The issue affects 31 actual different images that could be loaded more than once in your page.

Image Image URL Occurrences
Image with missing alt attribute found on /extension/pillars/design/pillars/images/ESA_Logo.svg 1
Image with missing alt attribute found on /var/esa/storage/images/esa_multimedia/images/2019/11/a_very_good_start/21465044-1-eng-GB/A_very_goo... 1
Image with missing alt attribute found on /var/esa/storage/images/esa_multimedia/videos/2019/11/this_is_esa/21459208-5-eng-GB/This_is_ESA_pill... 1
Image with missing alt attribute found on /var/esa/storage/images/esa_multimedia/videos/2019/11/out-of-this-world_aspirations/21470194-4-eng-G... 1
Image with missing alt attribute found on /var/esa/storage/images/esa_multimedia/images/2019/11/space19_flyers_hl/21468793-3-eng-GB/Space19_fl... 1

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 48 images on Check your website to make sure it's specified for each image on the page.


This is an overview of your homepage shares on social networks.

You're doing quiet good on social media!

Social shares are a key signal, among many others, that search engines use to evaluate the rankings of a website. Asking people to share your pages, adding visible social share buttons and make great quality content are 3 of the most powerful ways to grow your social presence.

  • Facebook iconFacebook
  • Total Engagement 124
  • Likes 8
  • Shares 115
  • Comments 1
  • Pinterest iconPinterest 64
  • Linkedin iconLinkedin 0
  • Stumbleupon iconStumbleupon 0


Registration Date 08/23/1996 25 years, 1 month, 5 days ago
Last Modified 03/19/2009 12 years, 6 months, 12 days ago
Nameservers Arrow up
Host IP Address Country Flag for ItalyItaly Flag for ItalyItaly Flag for FranceFrance


Server map
  • Service Provider (ISP)
  • European Space Agency
  • IP Address
  • Country
  • Flag for ItalyItaly
  • Region
  • Latium , Rome
  • Latitude and Longitude
  • 41.9028 : 12.4964


The owner's whois contact information is public.
European Space Agency (ESA)
8-10, Rue Mario Nikis
Paris N/A 75738 Paris Cedex 15
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