✅ 7 criteria passed
❌ 4 criteria to solve
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Colas : Accueil - Leader mondial de la construction de routes
https://colas.com
Colas est un leader mondial de la construction et de l’entretien des infrastructures de transport, qui répond aux enjeux de mobilité, d’urbanisation et d’environneme...
https://colas.com
Colas : Accueil - Leader mondial de la construction de routes
Colas est un leader mondial de la construction et de l’entretien des infrastructures de transport, qui répond aux enjeux de mobili...
| Alternate URL | Hreflang |
| https://www.colas.com/en/ | en |
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, initial-scale=1.0, user-scalable=yes |
| ⓘ abstract | Colas est un leader mondial de la construction et de l’entretien des infrastructures de transport, qui répond aux enjeux... |
| ⓘ viewport | width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no |
ⓘ 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 colas.com.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Urbanisation Confidence: 75% 
|
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Environnement Confidence: 73%
|
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Enjeu Confidence: 70%
|
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Infrastructure de transport Confidence: 70%
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Construction Confidence: 65% 
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❌ colas.com website speed is slow. 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 3.1 seconds.
colas.com is faster than approximately 16 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 #311.005 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
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 |
| Accueil |
| 2nd level heading |
| Découvrez le site anniversaire ! |
| Leader mondial de la construction et de l'entretien des infrastructures de transport |
| Vos talents au cœur de nos projets |
| Nos implantations dans le monde |
| Nos agences en france |
| La r&d au coeur des métiers du groupe |
| Associer deux univers qui invitent au voyage : l'art et la route |
| Composition du conseil d’administration de colas |
| Engagement responsable |
| Diversité |
| Flowell, notre solution de signalisation dynamique |
We found 187 images on this website.
14
ALT attributes are missing on your image tags. The issue affects 13 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 14 images on colas.com. 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.
For a better readability, only the first 50 external links are shown below.
| ⓘ Domain Registrar | ORANGE |
| ⓘ Registration Date | 03/10/1997 27 years, 1 month, 11 days ago |
| ⓘ Last Modified | 03/12/2019 5 years, 1 month, 9 days ago |
| ⓘ Expiration Date | 03/11/2020 Expired |
France
SOCIAL MEDIA PRESENCE
You have a relatively high presence on social media, keep going!
The more people share your website, the more likely you will get links from others, which is a key point when it comes to improving your overall search engine rankings.