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❌ 3 criteria to solve
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Akademie věd České republiky - Akademie věd České republiky
https://cas.cz
Akademie věd České republiky, veřejná neuniverzitní výzkumná instituce.
https://cas.cz
Akademie věd České republiky - Akademie věd České republiky
Akademie věd České republiky, veřejná neuniverzitní výzkumná instituce.
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 |
ⓘ 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 cas.cz.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
✅ cas.cz website speed is fast. 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 0.3 seconds.
cas.cz is faster than approximately 99 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 #29.089 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 Czech Republic |
#100 |
 United States of America |
#177.519 |
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.
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 |
| Česká věda - magazín akademie věd Čr |
| 3rd level heading |
| V galerii makráč bují rostliny z pet lahví. vytvořila je veronika richterová |
| Jak spletitá byla cesta k účinnému léku proti aıds |
| Akademie věd si připomíná listopadové události roku 1989 |
| Videomapping na budovu av Čr připomněl českou cestu k demokracii |
| Sametové otazníky: co víme o listopadu a jak ho vnímáme |
| Vědci zkoumali v africe přenos střevních parazitů mezi lidmi a primáty |
| Globální hrozby i oslavy 30. ... |
| Av Čr si připomněla 60. výročí udělení nobelovy ceny jaroslavu heyrovskému |
We found 12 images on this website.
9
ALT attributes are missing on your image tags.
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 9 images on cas.cz. 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 | http://av21.avcr.cz/ |
| No anchor | empty | http://interni.avcr.cz/ |
| No anchor | empty | https://www.facebook.com/akademieved/?fref=ts |
| No anchor | empty | https://twitter.com/akademie_ved_cr |
| No anchor | empty | https://www.youtube.com/channel/ucndufk5tnpvbcxgs8uz-vdq |
| No anchor | empty | https://www.instagram.com/akademievedcr/ |
| Časopis Živa | text | http://ziva.avcr.cz/ |
| Knihovna AV ČR | text | https://www.lib.cas.cz/ |
| Nakladatelství Academia | text | http://academia.cz/ |
| Otevřená věda | text | http://www.otevrena-veda.cz/ |
| Rezervace konferenčních sálů AV ČR | text | http://rezervace.ssc.cas.cz/ |
| Část obsahu šířena pod licencí Creative commons | text | http://www.avcr.cz/cs/pravni-ujednani/ |
Others (14.2%)
SOCIAL MEDIA PRESENCE
It's a good start.
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