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Eso.org Onpage Report

 Updated on March 08 2024 18:16 PM

Old data? UPDATE this report !

The score is 56/100

SEO Content

Website Title

ESO

Length : 3

Hey!, Your title should ideally be between 10 and 70 characters long (spaces included).

Website Description

ESO, European Organisation for Astronomical Research in the Southern Hemisphere

Length : 79

Awesome. Your meta description has a length of 70 to 160 characters.

Keywords

ESO, eso.org, Astronomy, Astrophysics, Astronomie, Suedsternwarte, telescopes, detectors, comets, planets, stars, galaxies, nebulae, universe, NTT, VLT, VLTI, ALMA, ELT, La Silla, Paranal, Garching, Chile

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Og Meta Properties

Great!, OG Properties are used on your page.

Property Content
title ESO — The European Southern Observatory
description Welcome to the most powerful astronomical observatories in the world.
image https://cdn.eso.org/images/screen/uhd_yuri_alma_ant_cc.jpg
image:secure_url https://cdn.eso.org/images/screen/uhd_yuri_alma_ant_cc.jpg

Headings

H1 H2 H3 H4 H5 H6
3 0 0 0 0 0
  • [H1] Our Stories
  • [H1] Our Telescopes
  • [H1] Visit Us

Images

We found 29 images on this web page.

Needs attention! Add alternative text to your images so that search engines can better grasp what they're about. There are 2 alt attributes that are either empty or missing.

Text/HTML Ratio

Ratio : 20%

Good!, The text to HTML code ratio on this page is greater than 15 but less than 25.

Flash

Good!, you are not using Flash content.

Iframe

Good!, This page does not contain any Iframes.

SEO URL Rewrite

Excellent! Your url seems SEO friendly.

URL Underscores

No Good. In your URLs, we found underscores. To improve your SEO, you should consider using  hyphens instead.

In-page links

We found a total of 484 links including 2 link(s) to files

Anchor Type Juice
our privacy policy Internal Passing Juice
Science Internal Passing Juice
User Portal Internal Passing Juice
Subscribe Internal Passing Juice
Contact Internal Passing Juice
Site Map Internal Passing Juice
ESO, the European Southern Observatory Internal Passing Juice
Organisation Internal Passing Juice
Mission-Vision-Values-Strategy Internal Passing Juice
Prof. Xavier Barcons Internal Passing Juice
Prof. T. de Zeeuw Internal Passing Juice
Dr. C. Cesarsky Internal Passing Juice
Prof. R. Giacconi Internal Passing Juice
Prof. H. van der Laan Internal Passing Juice
Prof. L. Woltjer Internal Passing Juice
Prof. A. Blaauw Internal Passing Juice
Prof. O. Heckmann Internal Passing Juice
ESO's Governing Bodies Internal Passing Juice
Austria Internal Passing Juice
Belgium Internal Passing Juice
Czechia Internal Passing Juice
Denmark Internal Passing Juice
Finland Internal Passing Juice
France Internal Passing Juice
Germany Internal Passing Juice
Ireland Internal Passing Juice
Italy Internal Passing Juice
Netherlands Internal Passing Juice
Poland Internal Passing Juice
Portugal Internal Passing Juice
Spain Internal Passing Juice
Sweden Internal Passing Juice
Switzerland Internal Passing Juice
United Kingdom Internal Passing Juice
Australia (Partner) Internal Passing Juice
ESO Representation Office in Chile Internal Passing Juice
Travel to ESO Headquarters Internal Passing Juice
Travel to Vitacura Office Internal Passing Juice
Travel to Guesthouse Internal Passing Juice
Travel to La Silla Internal Passing Juice
Travel to La Serena Internal Passing Juice
Travel to Paranal Internal Passing Juice
Travel to Antofagasta Internal Passing Juice
Travel to Chajnantor Internal Passing Juice
Travel to ELT Armazones Internal Passing Juice
Weekend visits to Paranal Internal Passing Juice
Weekend Visits to La Silla Internal Passing Juice
Media Visits Internal Passing Juice
Virtual Visits Internal Passing Juice
ESO and Society Internal Passing Juice
Architecture at ESO Internal Passing Juice
Collaborations with ESO Internal Passing Juice
ESO Acronyms Internal Passing Juice
Timeline Internal Passing Juice
Environmental sustainability at ESO Internal Passing Juice
ESO and the UN's Sustainable Development Goals Internal Passing Juice
Diversity, Equity and Inclusion Internal Passing Juice
ESO Internal Passing Juice
VLT/Paranal Internal Passing Juice
APEX/ALMA Internal Passing Juice
ELT Internal Passing Juice
Privileges and Immunities Internal Passing Juice
ESO & Australia Internal Passing Juice
Dark skies preservation Internal Passing Juice
Advanced Search Internal Passing Juice
360 Panorama Internal Passing Juice
ALMA Internal Passing Juice
APEX Internal Passing Juice
Chile Internal Passing Juice
Cosmology Internal Passing Juice
ELT Internal Passing Juice
ESO Supernova Internal Passing Juice
Exoplanets Internal Passing Juice
Fulldome Internal Passing Juice
Galaxies Internal Passing Juice
Galaxy Clusters Internal Passing Juice
Illustrations Internal Passing Juice
La Silla Internal Passing Juice
Nebulae Internal Passing Juice
Paranal Internal Passing Juice
People and Events Internal Passing Juice
Premises Internal Passing Juice
Quasars and Black Holes Internal Passing Juice
Solar System Internal Passing Juice
Star Clusters Internal Passing Juice
Stars Internal Passing Juice
Survey Telescopes Internal Passing Juice
Image Comparisons Internal Passing Juice
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2024 Internal Passing Juice
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Large JPG Zip File (3.5 GB) Internal Passing Juice
Original TIF Zip File (50 GB) Internal Passing Juice
Usage of ESO Images and Videos Internal Passing Juice
Wallpapers Internal Passing Juice
Zoomable Internal Passing Juice
Advanced Search Internal Passing Juice
About ESO Internal Passing Juice
ALMA Internal Passing Juice
APEX Internal Passing Juice
Chasing Starlight Internal Passing Juice
Compilations Internal Passing Juice
Cosmology Internal Passing Juice
ELT Internal Passing Juice
ESOcast Internal Passing Juice
Events Internal Passing Juice
Exoplanets Internal Passing Juice
Feature Movies Internal Passing Juice
Fulldome Internal Passing Juice
Galaxies Internal Passing Juice
Galaxy Clusters Internal Passing Juice
La Silla Internal Passing Juice
Nebulae Internal Passing Juice
Paranal Internal Passing Juice
Premises Internal Passing Juice
Quasars and Black Holes Internal Passing Juice
Solar System Internal Passing Juice
Star Clusters Internal Passing Juice
Stars Internal Passing Juice
Video News Releases Internal Passing Juice
Video Formats Internal Passing Juice
2024 Internal Passing Juice
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2024 Internal Passing Juice
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2009 Internal Passing Juice
ESOblog Internal Passing Juice
New on eso.org Internal Passing Juice
Broadcast Services Internal Passing Juice
ESO News Internal Passing Juice
ESO Science Newsletter Internal Passing Juice
ESO Media Newsletter Internal Passing Juice
Pitch your Research Internal Passing Juice
Annual Reports Internal Passing Juice
Apparel Internal Passing Juice
Books Internal Passing Juice
Brochures Internal Passing Juice
Calendars Internal Passing Juice
CAPjournals Internal Passing Juice
Conferences Internal Passing Juice
Donations Internal Passing Juice
DVDs/Bluray/CDs Internal Passing Juice
Educational Material Internal Passing Juice
ESO Supernova Activities Internal Passing Juice
Flyers Internal Passing Juice
Handouts Internal Passing Juice
Maps Internal Passing Juice
Merchandise Internal Passing Juice
Messengers Internal Passing Juice
Mounted Images Internal Passing Juice
Postcards Internal Passing Juice
Posters Internal Passing Juice
Reports Internal Passing Juice
Stickers Internal Passing Juice
View shopping cart Internal Passing Juice
Checkout Internal Passing Juice
Bulk Orders Internal Passing Juice
Purchasing Steps Internal Passing Juice
Payment Internal Passing Juice
Shipping Internal Passing Juice
Staff Shopping Internal Passing Juice
Terms & Conditions Internal Passing Juice
Free Orders for Educators and Media Internal Passing Juice
4LGSF Internal Passing Juice
CRIRES Internal Passing Juice
CRIRES+ Internal Passing Juice
ESPRESSO Internal Passing Juice
ERIS Internal Passing Juice
FLAMES Internal Passing Juice
FORS1 and FORS2 Internal Passing Juice
HAWK-I Internal Passing Juice
ISAAC Internal Passing Juice
KMOS Internal Passing Juice
MAD Internal Passing Juice
MOONS Internal Passing Juice
MUSE Internal Passing Juice
NACO Internal Passing Juice
SINFONI Internal Passing Juice
SPHERE Internal Passing Juice
UVES Internal Passing Juice
VIMOS Internal Passing Juice
VISIR Internal Passing Juice
X-shooter Internal Passing Juice
VLT Test Cameras Internal Passing Juice
Antu Internal Passing Juice
Kueyen Internal Passing Juice
Melipal Internal Passing Juice
Yepun Internal Passing Juice
GRAVITY+ Internal Passing Juice
GRAVITY Internal Passing Juice
MATISSE Internal Passing Juice
NAOMI Internal Passing Juice
PIONIER Internal Passing Juice
AMBER Internal Passing Juice
MIDI Internal Passing Juice
VINCI Internal Passing Juice
Auxiliary Telescopes Internal Passing Juice
The VISTA mirror Internal Passing Juice
VIRCAM Internal Passing Juice
4MOST Internal Passing Juice
The VISTA surveys Internal Passing Juice
The VISTA consortium Internal Passing Juice
The VST mirrors Internal Passing Juice
OmegaCAM Internal Passing Juice
The VST surveys Internal Passing Juice
SPECULOOS Internal Passing Juice
NGTS Internal Passing Juice
Cherenkov Telescope Array Observatory Internal Passing Juice
SIMBA Internal Passing Juice
EFOSC2 Internal Passing Juice
EMMI Internal Passing Juice
IRSPEC Internal Passing Juice
SOFI Internal Passing Juice
SOXS Internal Passing Juice
SUSI and SUSI2 Internal Passing Juice
ADONIS Internal Passing Juice
CASPEC Internal Passing Juice
IRSPEC Internal Passing Juice
HARPS Internal Passing Juice
MEFOS Internal Passing Juice
NIRPS Internal Passing Juice
OPTOPUS Internal Passing Juice
TIMMI/2 Internal Passing Juice
Infrared Photometer/Spectrophotometer Internal Passing Juice
Standard Photometer Internal Passing Juice
Infrared Specklegraph Internal Passing Juice
Infrared Speckle Interferometer Internal Passing Juice
EFOSC Internal Passing Juice
FEROS Internal Passing Juice
GROND Internal Passing Juice
IRAC & IRAC2 Internal Passing Juice
PISCO Internal Passing Juice
WFI Internal Passing Juice
Infrared Photometer/Spectrophotometer Internal Passing Juice
CORALIE Internal Passing Juice
Rapid Eye Mount telescope Internal Passing Juice
TRAnsiting Planets and PlanetesImals Small Telescope–South Internal Passing Juice
CORAVEL Internal Passing Juice
DFOSC Internal Passing Juice
CCD camera Internal Passing Juice
Hβ Photometer Internal Passing Juice
Two-Channel Photometer Internal Passing Juice
Four-Channel Photometer Internal Passing Juice
Six-Channel uvby-Hβ Photometer Internal Passing Juice
Télescope à Action Rapide pour les Objets Transitoires Internal Passing Juice
ESO 1-metre Schmidt telescope Internal Passing Juice
Boller and Chivens Spectrograph Internal Passing Juice
Coudé Spectrograph Internal Passing Juice
ECHELEC Internal Passing Juice
RV Cass Spectrograph Internal Passing Juice
FIDEOS Internal Passing Juice
Infrared Photometer Internal Passing Juice
Single-Channel Photometer Internal Passing Juice
Single-Channel Photometer Internal Passing Juice
Double-Channel Photometer Internal Passing Juice
CES Internal Passing Juice
MarLy 1-metre telescope Internal Passing Juice
Walraven Photometer Internal Passing Juice
Swiss T70 telescope Internal Passing Juice
Bochum Scanner Internal Passing Juice
Bochum Photometer Internal Passing Juice
Two-Channel Hβ Photometer Internal Passing Juice
Four-Channel uvby Photometer Internal Passing Juice
Six-Channel uvby–Hβ Photometer Internal Passing Juice
Grand Prisme Objectif telescope Internal Passing Juice
Swiss 0.4-metre telescope Internal Passing Juice
Marseille 0.36-metre telescope Internal Passing Juice
GRB Monitoring System Internal Passing Juice
MASCARA Internal Passing Juice
BlackGEM Internal Passing Juice
ExTrA Internal Passing Juice
Test-Bed Telescope Internal Passing Juice
APEX–2A Internal Passing Juice
ArTéMiS Internal Passing Juice
ASZCa Internal Passing Juice
CHAMP+ Internal Passing Juice
CONCERTO Internal Passing Juice
FLASH Internal Passing Juice
FLASH+ Internal Passing Juice
LABOCA Internal Passing Juice
MPI_1.1THz Internal Passing Juice
P-ArTéMiS Internal Passing Juice
PI230 Internal Passing Juice
PolKa Internal Passing Juice
SABOCA Internal Passing Juice
SEPIA Internal Passing Juice
SHeFI Internal Passing Juice
Antennas Internal Passing Juice
Transporters Internal Passing Juice
Interferometry Internal Passing Juice
Receiver Bands Internal Passing Juice
ALMA Residencia Internal Passing Juice
ELT Internal Passing Juice
Active Optics Internal Passing Juice
Adaptive Optics Internal Passing Juice
Integral Field Units Internal Passing Juice
Interferometry Internal Passing Juice
Spectroscopy Internal Passing Juice
Polarimetry Internal Passing Juice
Instruments Internal Passing Juice
ESO Key Astronomical Discoveries Internal Passing Juice
Exoplanets Internal Passing Juice
Gravitational Wave Sources Internal Passing Juice
First image of a black hole Internal Passing Juice
First image of the Milky Way central black hole Internal Passing Juice
More about the black hole at the galactic centre Internal Passing Juice
Gamma-Ray Bursts Internal Passing Juice
Science Archive Internal Passing Juice
Press Events Internal Passing Juice
ESO at 60 Internal Passing Juice
ELT Groundbreaking Internal Passing Juice
Café & Kosmos in Munich Internal Passing Juice
Awesome Universe Internal Passing Juice
100 Hours of Astronomy Internal Passing Juice
The Eye 3D Internal Passing Juice
IMAX® 3D Film Hidden Universe Internal Passing Juice
Bond at Paranal Internal Passing Juice
ESO Permanent Exhibitions Internal Passing Juice
EuroScience Open Forum (ESOF) External Passing Juice
Total Solar Eclipse 2019 Internal Passing Juice
The Comet McNaught 2007 Internal Passing Juice
Deep Impact - 04.07.2005 Internal Passing Juice
The Venus Transit - 08.11.2004 Internal Passing Juice
The Leonids - 17.11.1999 Internal Passing Juice
Solar Eclipse at ESO HQ - 11.08.1999 Internal Passing Juice
The Leonids - 11.1998 Internal Passing Juice
Mars Pathfinder - 1997 Internal Passing Juice
Comet Hyakutake - 1997 Internal Passing Juice
SL-9 and Jupiter - 1994 Internal Passing Juice
Comet Hale Bopp - 1994 Internal Passing Juice
Educational Material Internal Passing Juice
Science in School External Passing Juice
Teacher Schools Internal Passing Juice
Catch a Star Internal Passing Juice
Life in the Universe Internal Passing Juice
Physics On Stage Internal Passing Juice
ALMA Kids External Passing Juice
Volunteer Translators Internal Passing Juice
ESO Science Outreach Network Internal Passing Juice
2010 Internal Passing Juice
2009 Internal Passing Juice
ESO Outreach Partner Organisations Internal Passing Juice
Informal Educators Internal Passing Juice
ESO Photo Ambassadors Internal Passing Juice
ESO Music Ambassadors Internal Passing Juice
Taking the First Picture of a Black Hole Internal Passing Juice
Cosmic Gems Internal Passing Juice
Social Media Internal Passing Juice
For Planetariums Internal Passing Juice
Webcams Internal Passing Juice
Your ESO Pictures Internal Passing Juice
European Astronomy Journalism Prize Internal Passing Juice
Students and Visitors Internal Passing Juice
Join us Internal Passing Juice
ESO Supernova Internal Passing Juice
Art at ESO Internal Passing Juice
Data2Dome Internal Passing Juice
Stars@ESO Internal Passing Juice
3D models Internal Passing Juice
Apps Internal Passing Juice
DVDs and CDs Internal Passing Juice
IMAX movies Internal Passing Juice
Mini-sites Internal Passing Juice
Music Internal Passing Juice
Planetarium shows Internal Passing Juice
Presentations Internal Passing Juice
Soundscapes Internal Passing Juice
Virtual Backgrounds Internal Passing Juice
Virtual Tours Internal Passing Juice
Messenger Internal Passing Juice
CAPjournal Internal Passing Juice
Science in School Internal Passing Juice
Annual Reports Internal Passing Juice
Books Internal Passing Juice
Brochures Internal Passing Juice
Bulletins Internal Passing Juice
Calendars Internal Passing Juice
Conference posters Internal Passing Juice
Flyers Internal Passing Juice
Handouts Internal Passing Juice
Maps Internal Passing Juice
Press kits Internal Passing Juice
Reports Internal Passing Juice
Postcards Internal Passing Juice
Stickers Internal Passing Juice
Printed posters Internal Passing Juice
Paper models Internal Passing Juice
Merchandise Internal Passing Juice
Apparel Internal Passing Juice
Mounted images Internal Passing Juice
Stationery Internal Passing Juice
Electronic cards Internal Passing Juice
Electronic posters Internal Passing Juice
ePublications Internal Passing Juice
Exhibition material Internal Passing Juice
Logos Internal Passing Juice
Order in ESOshop Internal Passing Juice
Procurement at ESO Internal Passing Juice
Industry Events Internal Passing Juice
Technology Developed by Industries Internal Passing Juice
Novel technologies by ESO Internal Passing Juice
ESO know-how Internal Passing Juice
Working with the ELT Internal Passing Juice
Emergency & Evacuation Internal Passing Juice
Traffic & Parking at ESO Internal Passing Juice
Contractors at ESO Internal Passing Juice
Contact Information Internal Passing Juice
Recruitment Internal Passing Juice
International Staff Members Internal Passing Juice
Local Staff Members (Spanish / English) Internal Passing Juice
Fellows Internal Passing Juice
Students Internal Passing Juice
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Working at ESO Internal Passing Juice
Other Information Internal Passing Juice
How to use this site Internal Passing Juice
Accelerated by CDN77 External Passing Juice
Related: gadzetomania.pl, gubdaily.ru and leawo.org

SEO Keywords

Keywords Cloud

press alma large stars travel chile elt photometer telescope eso

Keywords Consistency

Keyword Content Website Title Keywords Website Description Headings
eso 48
telescope 33
press 14
photometer 14
large 11

Usability

Url

Domain : eso.org

Length : 7

Favicon

Nice, you are using Favicon for your website.

Printability

Ooops. Print-Friendly CSS recommended to your website.

Language

Good. For declaring en as your website's language.

Dublin Core

Oops. Dublin Core isn't being used on this page.

Document

Doctype

HTML 5

Encoding

Good!. For specifying UTF-8 as your page charset.

W3C Validity

Errors : 22

Warnings : 8

Email Privacy

Hey! You should convert your email addresses into image. This is to prevent the email harvesting software to catch your email address.

Deprecated HTML

Great! No obsolete or deprecated HTML tags on your website. This is recommended to improve visitor's user experience.

Speed Tips

Good, Your page are not using nested tables.
Not Good., We found inline styles in your website. Try to avoid this as much as possible.
Perfect!, There are only a few CSS files on your website.
Yes!, There are only a few JavaScript files on your website which is good for your website's speed.
Perfect, Your website makes use of Gzip compression.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Missing

Hey! This is not good. There is no XML sitemap on your website.
A sitemap is a list of URLs that are crawlable and can include information such as your site's frequency of changes and most recent updates.

Robots.txt

http://eso.org/robots.txt

Awesome, A robots.txt file exists on your website.

Analytics

Missing

Ooops. This website does not appear to have an analytics tool loaded. Web analytics allows you to track the behavior of your website's visitors. You should install at least one analytics program.

PageSpeed Insights


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