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Seznam.cz Seznam – najdu tam, co neznám

Nejnavštěvovanější český internetový portál nabízející vyhledávač, e-mail, aktuální zprávy, předpověď počasí a odkazy, které se mohou hodit.

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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 09/16/2019

Seznam.cz receives about five hundred thousand unique visitors and one million pageviews per day. The estimated value of seznam.cz is twenty million USD. Each unique visitor makes about 2.59 pageviews on average.

Over the time seznam.cz has been ranked as high as 270 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 3 position.

Seznam.cz is registered under .CZ top-level domain. Check other websites in .CZ zone.

At the time of the last check (November 28, 2019) seznam.cz has a valid and up-to-date SSL certificate issued by Let's Encrypt that expires on February 03, 2020. Check other websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust seznam.cz is quite a safe domain.

Mobile-Friendly test indicates that seznam.cz is well optimized for mobile and tablet devices, however website page loading time could be improved.

Global Rank
496
Average Load Time
1.37sec
Links In Count
3,990
Website Value
$18.2 M
Overview
Last Updated: 12/16/2019
Overall result - "seznam.cz" is SAFE.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 01/12/2019
NCS "seznam.cz" OK.

Norton ConnectSafe evaluates seznam.cz for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 10/10/2016
GSS "seznam.cz" OK.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing
Last Updated: 02/18/2019
Malware not found at "seznam.cz".
"seznam.cz" is not a phishing page.
"seznam.cz" does not install unwanted software.
"seznam.cz" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 01/09/2019
SA "seznam.cz" OK.

McAfee assesses seznam.cz for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze seznam.cz for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
WOT "seznam.cz" VERY GOOD.

The WOT calculates reputation of the seznam.cz. This reputation system receives ratings from users and information from third-party sources, assesses the seznam.cz for safety features and confirms, whether seznam.cz is suitable for children.

SSL Information
Domain www.seznam.cz
Issuer Organization Let's Encrypt
Issuer Let's Encrypt Authority X3
Algorithm RSA-SHA256
Valid form 11/05/2019
Expiration 02/03/2020
Signed Certificate is not self signed
Additional Domains seznam.cz
www.seznam.cz
Server Location
Hlavni mesto
Praha
Czech Republic
ASN Information

ASN ID: 43037
ASN Title: Seznam.cz, a.s.

Last Update: 05/29/2019

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS40960 - AS45055'

as-block: AS40960 - AS45055
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2015-12-10T09:19:56Z
last-modified: 2015-12-10T09:19:56Z
source: RIPE

% Information related to 'AS43037'

% Abuse contact for 'AS43037' is 'abuse@seznam.cz'

aut-num: AS43037
as-name: SEZNAM-CZ
org: ORG-Sa508-RIPE
import: from AS9148 accept ANY
import: from AS5610 accept ANY
export: to AS9148 announce AS43037
export: to AS5610 announce AS43037
export: to AS5610 announce AS200600
admin-c: SZN5-RIPE
tech-c: SZN5-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SEZNAM-MNT
created: 2007-05-29T08:00:03Z
last-modified: 2017-11-15T09:48:45Z
source: RIPE

organisation: ORG-SA508-RIPE
org-name: Seznam.cz, a.s.
org-type: LIR
address: Radlicka 3294/10
address: 15000
address: Prague 5
address: CZECH REPUBLIC
phone: +420234694111
fax-no: +420234694115
admin-c: PZ172-RIPE
admin-c: FEIX-RIPE
abuse-c: AD10910-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SEZNAM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SEZNAM-MNT
created: 2007-05-01T10:11:05Z
last-modified: 2017-10-30T14:44:17Z
source: RIPE # Filtered

role: Seznam.cz IT department
address: Radlicka 3294/10 150 00 Prague 5 Czech Republic
phone: +420 602 126 570
abuse-mailbox: abuse@seznam.cz
admin-c: PZ172-RIPE
tech-c: SZN11-RIPE
tech-c: SZN10-RIPE
nic-hdl: SZN5-RIPE
mnt-by: SEZNAM-MNT
created: 2007-05-06T15:50:27Z
last-modified: 2015-07-03T13:19:00Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)

HTML Metatags
Title
Seznam – najdu tam, co neznám
The title has an optimal length. Search engines typically displays the first 50–70 characters of a title tag. If you keep your titles under 70 characters, our research suggests that you can expect about 90% of your titles to display properly.
Description
Nejnavštěvovanější český internetový portál nabízející vyhledávač, e-mail, aktuální zprávy, předpověď počasí a odkazy, které se mohou hodit.
The description has optimal length. Keep in mind that the "optimal" length will vary depending on the situation, and your primary goal should be to provide value and drive clicks.
Encoding
UTF-8
You should always specify the encoding used for an HTML page. If you don't, you risk that characters in your content are incorrectly interpreted. This is not just an issue of human readability, increasingly machines need to understand your data too.
Language
cs Czech
Identifying the language of your content allows you to automatically do a number of things, from changing the look and behavior of a page, to assisting search engines in extracting information. If part of the page uses text in a different language, you can add a language attribute with a different value to the element that surrounds that content.
Language Region
Not Found
Images
Attribute ALT
Line 31, ...<img class="sc-AykKF fKRblc d-block" src="/media/img/dogs/krasty_...
Line 31, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 31, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 31, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 31, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 31, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="/media/img/timeline-log...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="https://d32-a.sdn.szn.c...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="https://d32-a.sdn.szn.c...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="//d32-a.sdn.szn.cz/d_32...
Line 33, ...<img class="sc-AykKF fKRblc d-block" src="https://d32-a.sdn.szn.c...

42 items are hidden.
Full results are available for registered users only.
As a general rule, search engines do not interpret the content of image files. The text provided in the <img alt> attribute enables the site owner to provide relevant information to the search engine and to the end user.
H1-H6 Tags Information

For search engines, <H> tags helps understand the structure of the text on a page better. For users, headings are like anchors in a wall of text, navigating them through the page and making it easier to digest. The <h1> tag reinforces the core keyword(s) found in the <title>, <description>, and the <body>. We recommend that the <h1> tag includes keywords that reflect the contents of the page and that it is not longer than 150 characters in length, but don’t overuse the tags and the keywords in them. Keep it readable for users.

H1
Line 31, ...<h1 class="logo"><a href="/" class="seznam-logo link focusable-bo...
Your H1 introduces the topic your page is all about, just as a title tells a reader what a book is all about.
H2
14 H2 tag(s).
The H2s are akin to book chapters, describing the main topics you’ll cover in sections of the article.
H3
49 H3 tag(s).
Subsequent headers, H3s to H6s, serve as additional sub-headings within each section, just as a book chapter may be split up by multiple sub-topics.
H4
H5
H6
4 H6 tag.
Iframes Information
iFrame
Line 33, ...<iframe class="login-form__2fa-iframe" src="https://login.szn.cz/...
Since search engines consider the content in iframes to belong to another website, the best you can hope for is no effect on SEO. Iframes tend to neither help nor hurt your search engine ranking. For this reason, it’s best to refrain from using iframes on main pages that you want to rank high in search engine results. Instead, fill high-priority pages with useful, unique content and save iframes for other pages.
Code To Text Ratio
Code To Text Ratio
4.18 %
A good code to text ratio is anywhere from 25 to 70 percent. This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information. This has become especially apparent since search engines, such as Google, released the Panda update which placed importance on content-driven sites.
Favicons

Favicons are the little piece of graphic that represents your brand on browser tabs, bookmark lists, search history, search ads and even search results. These files are placed in a file called favicon.ico and placed in the root directory of a website. There are no direct SEO effects of having favicons. However, there may be indirect benefits such as increased usability of site and bookmarks. It makes your website look more professional and help a users to remember your site while browsing through multiple URLs. If you want to get mentioned benefits you have to specify icons for different web browsers and sometimes even for different mobiles.

Default Favicon
Line 1, /media/img/seznam-icons/favicon.ico
default, favicon.ico
Backup icon for most desktop browsers (if no icon of the right size is found). Tag format <link rel="shortcut icon" href="path-to-16x16-icon.ico" type="image/x-icon" />
16x16 Optional Favicon
Line 1, /media/img/seznam-icons/favicon-16x16.png
Standard icon for outdated browsers or small resolution hand held devices. Tag format <link rel="icon" type="image/png" sizes="16x16" href="path-to-16x16.png">
32x32 Optional Favicon
Line 1, /media/img/seznam-icons/favicon-32x32.png
Standard for most desktop browsers. Tag format <link rel="icon" sizes="32x32" href="path-to-32x32.png">
96x96 Optional Favicon
Line 1, /media/img/seznam-icons/favicon-96x96.png
Mostly used as GoogleTV icon. Tag format <link rel="icon" type="image/png" sizes="96x96" href="path-to-96x96.png">
Default Apple Icon
Backup icon for apple devices (if no icon of the right size is found). Preferrable size 60x60. Tag format <link rel="apple-touch-icon" sizes="72x72" href="path-to-small-icon.png">
180x180 Apple Icon
Line 1, /media/img/seznam-icons/apple-touch-icon-180x180.png
iPhone 6 plus icons. Tag format <link rel="apple-touch-icon" sizes="180x180" href="path-to-180x180.png">
152x152 Apple Icon
Line 1, /media/img/seznam-icons/apple-touch-icon-152x152.png
iPad, iPad mini icons. Tag format <link rel="apple-touch-icon" sizes="152x152" href="path-to-icon-152x152.png">
167x167 Apple Icon
iPad Pro icon. Tag format <link rel="apple-touch-icon" sizes="167x167" href="path-to-167x167.png">
Robots.txt Information

Robots.txt is a text file that website owners can create to tell search engine bots how to crawl and index pages on their site.

Robots File
Robots File Loaded successfully (/robots.txt)
You can have multiple lines of instructions to allow or disallow specific URLs and add multiple sitemaps. If you do not disallow a URL, then search engine bots assume that they are allowed to crawl it.
Disallow
12 record(s)
Other User-Agent
1 record(s)
Default User-Agent
1 record(s)
Sitemap

A sitemap is an XML file where is provided information about each URL: when it was last updated, how often it changes, and how important it is in relation to other URLs in the site. Search engines crawling bots read this file to more efficiently and intelligently crawl your site and to find URLs that may be isolated from rest of the site's content.

Sitemap Found At robots.txt
Loaded successfully
Using a sitemap doesn't guarantee that all the items in your sitemap will be crawled and indexed, however, your site will benefit from having a sitemap.
WHOIS

Your connection limit exceeded. Please slow down and try again later.

DNS Records
HostA RecordTTL
seznam.cz77.75.74.176300
seznam.cz77.75.75.172300
seznam.cz77.75.75.176300
seznam.cz77.75.74.172300
HostMX RecordPriorityTTL
seznam.czmx2.seznam.cz20300
seznam.czmx1.seznam.cz10300
HostNS RecordTTL
seznam.czams.seznam.cz333
seznam.czans.seznam.cz333
HostTXT RecordTTL
seznam.czgoogle-site-verification=XYar0yJTf_G9wZoSAoMAhIq3Uhh3GwigDXMoGaZK_Zg300
seznam.czgoogle-site-verification=v2WaAYaKuekbWHJu29R0b1IbBY2-pInEXYWbh_1_V2M300
seznam.czv=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?all300
seznam.czfacebook-domain-verification=hp0jkbs2ikx5c9hv3r0cwcyvi2c2jm300
seznam.czgoogle-site-verification=L5qWNzPLnkPIxTysq-a9mUrv22VyhJwr8-kwZOqj2s0300

ans.seznam.cz
TTL: 300
Email address: hostmaster.seznam.cz
Serial: 2015875359
Refresh: 60
Retry: 30
Expire: 604800
Minimum: 300

Errors
Warnings

Last tested: 12/02/2019

Desktop
Desktop Speed
67%
Desktop Resource Breakdown
Total Resources239
Number of Hosts64
Static Resources118
JavaScript Resources26
CSS Resources2

Last tested: 05/31/2017

Mobile
Mobile Usability
96%
Mobile Speed
56%
Mobile Resource Breakdown
Total Resources124
Number of Hosts29
Static Resources75
JavaScript Resources26
CSS Resources2
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