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Observatoire de Paris - PSL Centre de recherche en astronomie et ast...
https://obspm.fr
Fondé en 1667, l’Observatoire de Paris est le plus grand pôle national de recherche en astronomie. Situés sur ses campus de Paris, Meudon et Nançay, (...)
https://obspm.fr
Observatoire de Paris - PSL Centre de recherche en astronomie et ast...
Fondé en 1667, l’Observatoire de Paris est le plus grand pôle national de recherche en astronomie. Situés sur ses campus de Paris,...
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.
| Attribute | Value |
| ⓘ viewport | width=device-width |
ⓘ The results of our semantic analysis are shown below using the website's language.
They are the main concepts covered by obspm.fr.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Observatoire de Paris Confidence: 93% 
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Meudon Confidence: 85%
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Astrophysique Confidence: 83%
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Astronomie Confidence: 82%
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Station de radioastronomie de Nançay Confidence: 82%
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❌ obspm.fr website speed is normal. Page speed is important for visitors and search engines.
Get insights to improve your page loading time.
This domain loads at the median speed of 1.6 seconds.
obspm.fr is faster than approximately 57 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 #141.484 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 Morocco |
#21.795 |
 Pakistan |
#44.250 |
 Iran (Islamic Republic of) |
#33.156 |
 Algeria |
#11.963 |
Mobile Rendering
This website seems to be optimized for Mobile Visitors.
Phone
Tablet
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.
Great, we found headings on this page.
| Top level heading |
| Une nouvelle contrainte sur la masse du «graviton» |
| La dynamique des galaxies naines réexpliquée sans matière noire |
| 2nd level heading |
| Heure légale française |
| Soleil à paris |
| Ciel du mois |
| Agenda |
| Espace presse |
| Lettre d'information |
| Dernière parution |
| 3rd level heading |
| Premier satellite de l’histoire propulsé par de l’iode (2) |
| Étoiles en scène au grand rex (2) |
| L’université psl: quand les grandes écoles font université (2) |
| Alexandre le tiec, lauréat de la médaille de bronze cnrs 2019 |
| Le mystère de l’origine du halo stellaire de notre galaxie se dissipe |
| Premières détections de sursauts gamma à très haute énergie |
| Une nouvelle contrainte sur la masse du «graviton» |
| La dynamique des galaxies naines réexpliquée sans matière noire |
| 4th level heading |
| Publié le 26 novembre 2019 |
| Publié le 21 novembre 2019 |
| Publié le 1 octobre 2019 |
| Publié le 20 novembre 2019 |
| Publié le 18 novembre 2019 |
| Publié le 8 novembre 2019 |
We found 38 images on this website.
17
ALT attributes are missing on your image tags. The issue affects 16 actual different images that could be loaded more than once in your page.
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 17 images on obspm.fr. Check your website to make sure it's specified for each image on the page.
For a better readability, only the first 50 internal links are shown below.
| Anchor | Type | URL |
 |
image | https://www.facebook.com/observatoiredeparis/ |
 |
image | https://twitter.com/obs_paris |
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image | https://www.instagram.com/observatoiredeparis/ |
 |
image | https://www.youtube.com/channel/ucopkydc1qfxfxh6omfqjzfg |
| PSL | text | https://www.psl.eu/ |
| Annuaire | text | http://annuaire.obspm.fr |
 |
image | https://www.facebook.com/observatoiredeparis/ |
 |
image | https://twitter.com/obs_paris |
 |
image | https://www.youtube.com/channel/ucopkydc1qfxfxh6omfqjzfg |
 |
image | https://www.instagram.com/observatoiredeparis/ |
| Intranet | text | https://administration.obspm.fr |
| Biop | text | https://biop.obspm.fr/ |
| Domain |
Others (80.7%)
France
SOCIAL MEDIA PRESENCE
You're doing quiet good on social media!
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