mobile
Mobile menu

Whois & Analysis for centrum.cz

Jan 13, 2020 3:44 pm UTC

DOMAIN OWNER WHOIS

The owner's whois contact information is public.
• Contact Name
Economia, a.s.
• Organization
Economia, a.s.
• Address
Pernerova 47 Praha 8 18600 CZ
Desktop screen Desktop screenshot for centrum.cz
79

9 criteria passed
2 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your title tag clear, concise and include your most important keywords.
Arrow
Fill the missing alt attributes on your images.
Arrow

OVERVIEW

• Domain Owner
Economia, a.s. See more
• Category
News / Weather / Information
• Online since
• Age
26 years, 8 months, 20 days
• Alexa Rank
#6.360, centrum.cz is in the world's top 10.000 websites!

FREE FORM BUILDER

Representation of an online Form

Use our free online form builder to create any type of form for centrum.cz.

Beauty and simplicity.

Use templates. No coding. Embed anywhere. Get emails. Collect data.


opens a new window

TECHNICAL SEO & SECURITY

SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by Sectigo Limited has expired on January 3, 2022.
Title Tag
Centrum.cz
Length: 10 (recommended: 10 to 70)
Meta Description
Centrum.cz je český internetový portál nabízející e-mail, aktuální zpravodajství, počasí a další zajímavé služby.
Length: 130 (recommended: 50 to 160)
Google preview
Desktop Version

Centrum.cz

https://centrum.cz

Centrum.cz je český internetový portál nabízející e-mail, aktuální zpravodajství, počasí a další zajímavé služby.

Mobile Version

https://centrum.cz

Centrum.cz

Centrum.cz je český internetový portál nabízející e-mail, aktuální zpravodajství, počasí a další zajímavé služby.

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

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL Parameters
Great, the domain URLs look clean.
Attribute Value
viewport width=device-width,initial-scale=1,maximum-scale=1

SEMANTIC ANALYSIS

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

They are the main concepts covered by centrum.cz.

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

WEBSITE SPEED

centrum.cz website speed is normal. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

1.5s

This domain loads at the median speed of 1.5 seconds.

Speed Percentile

60%

centrum.cz is faster than approximately 60 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.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

TRAFFIC

This website is ranked #6.360 by Alexa.

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

Daily visitors by country

  • centrum.cz daily visitors distribution - Total: 1 country
  • Flag for Czech RepublicCzech Republic (95.6%)
  • Flaf icon for other countryOthers (4.4%)

Traffic country ranks

Country Rank
Flag for Czech RepublicCzech Republic #17

LAYOUT

Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

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

Tablet
How centrum.cz looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 48% #ffffff
  • 27% #f0f0f0
  • 4% #f0ffff
  • 3% #f0f0ff
  • 3% #d0e0f0
  • 2% #c0d0e0
  • 2% #004080
  • 2% #fffff0
  • 1% #f0e0e0
  • 1% #fff0f0
  • 1% #801010
  • 1% #60b0f0

Text/code ratio

centrum.cz's text/code ratio is 3.99%. 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 3.99%

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> 0
  • <H3> 1
  • <H4> 5
  • <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.

<H3>
3rd level heading
Počasí
<H4>
4th level heading
Zpravodajství
Magazíny
Praktické služby
ınzerce a katalogy
Komunikace
Alt attributes Arrow up

We found 73 images on this website.
27 ALT attributes are missing on your image tags. The issue affects 25 actual different images that could be loaded more than once in your page.

Image Image URL Occurrences
Image with missing alt attribute found on centrum.cz //cdn.xsd.cz/resize/72bee6ae281638dea3a5ad49a87c4ee7_extract=0,350,315,315_resize=340,340_.jpg?hash=... 1
Image with missing alt attribute found on centrum.cz //cdn.xsd.cz/resize/200b1b26450f3c239d42efbce30713a6_extract=0,82,1668,1250_resize=128,96_.jpg?hash=... 1
Image with missing alt attribute found on centrum.cz //cdn.xsd.cz/resize/dc474b2f4aed321dbf34daa73f71ffda_extract=71,229,1597,1198_resize=128,96_.jpg?has... 1
Image with missing alt attribute found on centrum.cz //cdn.xsd.cz/resize/afb7c89013a13199bf0a16987375d59f_extract=178,0,1306,980_resize=128,96_.jpg?hash=... 1
Image with missing alt attribute found on centrum.cz //cdn.xsd.cz/resize/7b60ecc7dae135058d90e3264eb67998_extract=144,75,781,586_resize=128,96_.jpg?hash=... 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 27 images on centrum.cz. Check your website to make sure it's specified for each image on the page.

SOCIAL MEDIA PRESENCE

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 734
  • Likes 117
  • Shares 415
  • Comments 202

DOMAIN REGISTRAR

Domain Registrar REG-IGNUM
Registration Date 07/12/1997 26 years, 8 months, 20 days ago
Last Modified 06/19/2019 4 years, 9 months, 13 days ago
Expiration Date 10/24/2022 Expired
Nameservers Arrow up
Host IP Address Country
max.ns.cloudflare.com 173.245.59.132 Flag for United StatesUnited States
pam.ns.cloudflare.com 173.245.58.138 Flag for United StatesUnited States

SERVER DETAILS

Server map
  • Service Provider (ISP)
  • Economia a.s.
  • IP Address
  • 46.255.231.106
  • Country
  • Flag for CzechiaCzechia
  • Region
  • Hlavni mesto Praha , Prague
  • Latitude and Longitude
  • 50.1002 : 14.5497
SHARE THIS PAGE