Submitted URL: https://knihovny.digital/
Effective URL: https://koncepce.knihovna.cz/
Submission: On October 12 via api from US — Scanned from US

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 16 HTTP transactions. The main IP is 147.251.6.92, located in Bučovice, Czech Republic and belongs to CESNET2, CZ. The main domain is koncepce.knihovna.cz.
TLS certificate: Issued by R10 on September 24th 2024. Valid for: 3 months.
This is the only time koncepce.knihovna.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 76.76.21.21 16509 (AMAZON-02)
16 147.251.6.92 2852 (CESNET2)
16 2
Apex Domain
Subdomains
Transfer
16 knihovna.cz
koncepce.knihovna.cz
725 KB
1 knihovny.digital
knihovny.digital
320 B
16 2
Domain Requested by
16 koncepce.knihovna.cz koncepce.knihovna.cz
1 knihovny.digital 1 redirects
16 2

This site contains links to these domains. Also see Links.

Domain
udrzitelna.knihovna.cz
www.doknihovny.eu
codokaze.knihovna.cz
cs.wordpress.org
Subject Issuer Validity Valid
ipv6.koncepce.knihovna.cz
R10
2024-09-24 -
2024-12-23
3 months crt.sh

This page contains 1 frames:

Primary Page: https://koncepce.knihovna.cz/
Frame ID: 85B998F8E4FFFBFCDE47E57254E84101
Requests: 17 HTTP requests in this frame

Screenshot

Page Title

Koncepce.knihovna.cz

Page URL History Show full URLs

  1. https://knihovny.digital/ HTTP 301
    https://koncepce.knihovna.cz/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link rel=["']stylesheet["'] [^>]+/wp-(?:content|includes)/
  • /wp-(?:content|includes)/
  • wp-embed\.min\.js\?ver=([\d.]+)

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Overall confidence: 100%
Detected patterns
  • jquery[.-]migrate(?:-([\d.]+))?(?:\.min)?\.js(?:\?ver=([\d.]+))?

Page Statistics

16
Requests

100 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

725 kB
Transfer

724 kB
Size

6
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://knihovny.digital/ HTTP 301
    https://koncepce.knihovna.cz/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

16 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
koncepce.knihovna.cz/
Redirect Chain
  • https://knihovny.digital/
  • https://koncepce.knihovna.cz/
83 KB
84 KB
Document
General
Full URL
https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache / PHP/7.4.33
Resource Hash
e175c4b5ef8671e6505b1fd5d128084870117cdafb215142bcc0bc0bda0b967b

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
date
Sat, 12 Oct 2024 12:53:54 GMT
link
<https://koncepce.knihovna.cz/wp-json/>; rel="https://api.w.org/", <https://koncepce.knihovna.cz/wp-json/wp/v2/pages/2050>; rel="alternate"; type="application/json", <https://koncepce.knihovna.cz/>; rel=shortlink
server
Apache
x-powered-by
PHP/7.4.33

Redirect headers

cache-control
public, max-age=0, must-revalidate
content-type
text/html
date
Sat, 12 Oct 2024 12:53:55 GMT
location
https://koncepce.knihovna.cz/
server
Vercel
strict-transport-security
max-age=63072000
x-vercel-id
iad1::84tkw-1728737635553-2974bb642700
style.min.css
koncepce.knihovna.cz/wp-includes/css/dist/block-library/
79 KB
79 KB
Stylesheet
General
Full URL
https://koncepce.knihovna.cz/wp-includes/css/dist/block-library/style.min.css?ver=5.8.10
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
9110fc122dda3067c424d9b8ff7747e2030b0bd9298f69a3683d399ad3373a6a

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
80574
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Fri, 27 Aug 2021 16:51:29 GMT
content-type
text/css
server
Apache
cookie-law-info-public.css
koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/css/
3 KB
3 KB
Stylesheet
General
Full URL
https://koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/css/cookie-law-info-public.css?ver=3.2.6
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
fbe820b6140ad28e86f34ffae507d807cf591a22697a05b71958f2014e96a9e4

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
3106
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Thu, 26 Sep 2024 13:56:46 GMT
content-type
text/css
server
Apache
cookie-law-info-gdpr.css
koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/css/
27 KB
27 KB
Stylesheet
General
Full URL
https://koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/css/cookie-law-info-gdpr.css?ver=3.2.6
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
655ae452d922f501b62c7028fc35e238138de989387381cc1ed9cea9085864db

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
27249
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Thu, 26 Sep 2024 13:56:46 GMT
content-type
text/css
server
Apache
style.css
koncepce.knihovna.cz/wp-content/themes/twentytwenty/
119 KB
119 KB
Stylesheet
General
Full URL
https://koncepce.knihovna.cz/wp-content/themes/twentytwenty/style.css?ver=2.2
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
fbd62dc59a698f8af8ad6ad03ac7d01c0160e879761e68b8de1b2004f572a45f

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
121715
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Wed, 04 Oct 2023 09:04:33 GMT
content-type
text/css
server
Apache
jquery.min.js
koncepce.knihovna.cz/wp-includes/js/jquery/
87 KB
88 KB
Script
General
Full URL
https://koncepce.knihovna.cz/wp-includes/js/jquery/jquery.min.js?ver=3.6.0
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
bd4de6a3fc0fb68d6f76ba7b93514b96a92e585c295b5351c31ad92a4b0777ea

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
89521
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Fri, 27 Aug 2021 16:51:45 GMT
content-type
text/javascript
server
Apache
jquery-migrate.min.js
koncepce.knihovna.cz/wp-includes/js/jquery/
11 KB
11 KB
Script
General
Full URL
https://koncepce.knihovna.cz/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.3.2
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
029e0a2e809fd6b5dbe76abe8b7a74936be306c9a8c27c814c4d44aa54623300

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
11224
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Fri, 27 Aug 2021 16:51:45 GMT
content-type
text/javascript
server
Apache
cookie-law-info-public.js
koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/js/
33 KB
33 KB
Script
General
Full URL
https://koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/js/cookie-law-info-public.js?ver=3.2.6
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
c6d0d78d73c8618c4c22287fb022469bfc689b5eb6f58523b49c0ecf4c306e2f

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
34185
date
Sat, 12 Oct 2024 12:53:55 GMT
last-modified
Thu, 26 Sep 2024 13:56:46 GMT
content-type
text/javascript
server
Apache
index.js
koncepce.knihovna.cz/wp-content/themes/twentytwenty/assets/js/
25 KB
26 KB
Script
General
Full URL
https://koncepce.knihovna.cz/wp-content/themes/twentytwenty/assets/js/index.js?ver=2.2
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
6a9c7d809cf7886b0418e90771e5cb9b0d04c7fa4da523ca397698c3a4b4de86

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
26111
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Wed, 04 Oct 2023 09:04:33 GMT
content-type
text/javascript
server
Apache
wp-emoji-release.min.js
koncepce.knihovna.cz/wp-includes/js/
18 KB
18 KB
Script
General
Full URL
https://koncepce.knihovna.cz/wp-includes/js/wp-emoji-release.min.js?ver=5.8.10
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
def5de6254be138b8b35d680d1fdd8b07827d03b8626daebfeeb4157ec330ea7

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
18181
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Fri, 27 Aug 2021 16:51:49 GMT
content-type
text/javascript
server
Apache
print.css
koncepce.knihovna.cz/wp-content/themes/twentytwenty/
3 KB
3 KB
Stylesheet
General
Full URL
https://koncepce.knihovna.cz/wp-content/themes/twentytwenty/print.css?ver=2.2
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
3a6e534ba6c925e8646018b5b7133e0e42fa33c8d67bd104e7b0f2521bcdf595

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
2702
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Wed, 04 Oct 2023 09:04:33 GMT
content-type
text/css
server
Apache
cookie-law-info-table.css
koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/css/
6 KB
6 KB
Stylesheet
General
Full URL
https://koncepce.knihovna.cz/wp-content/plugins/cookie-law-info/legacy/public/css/cookie-law-info-table.css?ver=3.2.6
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
2e2f2336b5e6698b628afc75fa9a24c67b73d5872c1d4af99ca436064f636ee0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
6113
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Thu, 26 Sep 2024 13:56:46 GMT
content-type
text/css
server
Apache
wp-embed.min.js
koncepce.knihovna.cz/wp-includes/js/
1 KB
2 KB
Script
General
Full URL
https://koncepce.knihovna.cz/wp-includes/js/wp-embed.min.js?ver=5.8.10
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
6a482d2d94c0d1bc6937a1759389d01b475e6b28a0d9b5d7eaa3f9cc8f59f3cd

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
1478
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Tue, 16 May 2023 19:35:57 GMT
content-type
text/javascript
server
Apache
Inter-upright-var.woff2
koncepce.knihovna.cz/wp-content/themes/twentytwenty/assets/fonts/inter/
219 KB
219 KB
Font
General
Full URL
https://koncepce.knihovna.cz/wp-content/themes/twentytwenty/assets/fonts/inter/Inter-upright-var.woff2
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/wp-content/themes/twentytwenty/style.css?ver=2.2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
e03c2df7ef439d2708bbc168a21c0a00da63e5664d286120c994c39644addd03

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://koncepce.knihovna.cz
Referer
https://koncepce.knihovna.cz/wp-content/themes/twentytwenty/style.css?ver=2.2

Response headers

accept-ranges
bytes
content-length
223892
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Wed, 04 Oct 2023 09:04:33 GMT
content-type
font/woff2
server
Apache
truncated
/
808 B
808 B
Font
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
2314a04de305a6bcf2bc9d951d3a0596084649fce911b7e4e085d0c69ac6985b

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://koncepce.knihovna.cz
Referer

Response headers

Content-Type
application/font-woff2;charset=utf-8
medialka.png
koncepce.knihovna.cz/wp-content/uploads/2023/10/
8 KB
8 KB
Image
General
Full URL
https://koncepce.knihovna.cz/wp-content/uploads/2023/10/medialka.png
Requested by
Host: koncepce.knihovna.cz
URL: https://koncepce.knihovna.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
18a78e2a6cd0f0e910fdf1ed1af77dafbc6161458ea5e5c7b38e739a2ddb0287

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
7799
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Fri, 13 Oct 2023 12:38:42 GMT
content-type
image/png
server
Apache
cropped-KKK-32x32.png
koncepce.knihovna.cz/wp-content/uploads/2021/05/
1 KB
1 KB
Other
General
Full URL
https://koncepce.knihovna.cz/wp-content/uploads/2021/05/cropped-KKK-32x32.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
147.251.6.92 Bučovice, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
web02.cpanel.ics.muni.cz
Software
Apache /
Resource Hash
3ffad033d13122f8eab091af7517ed4e85b7effda77f61b9b41a39a52b1a1502

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://koncepce.knihovna.cz/

Response headers

accept-ranges
bytes
content-length
1442
date
Sat, 12 Oct 2024 12:53:56 GMT
last-modified
Sun, 02 May 2021 17:21:37 GMT
content-type
image/png
server
Apache

Verdicts & Comments Add Verdict or Comment

24 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| _wpemojiSettings function| jQuery object| Cli_Data object| cli_cookiebar_settings object| log_object object| CLI_Cookie object| CLI object| cliBlocker string| CLI_ACCEPT_COOKIE_NAME string| CLI_PREFERENCE_COOKIE number| CLI_ACCEPT_COOKIE_EXPIRE object| wp string| currentText string| categoryCookie object| cli_chkbox_elm string| cli_chkbox_data_id string| cli_chkbox_data_id_trimmed object| srcReplaceableElms object| twentytwenty function| twentytwentyDomReady function| twentytwentyToggleAttribute function| twentytwentyMenuToggle function| twentytwentyFindParents object| twemoji

6 Cookies

Domain/Path Name / Value
koncepce.knihovna.cz/ Name: cookielawinfo-checkbox-necessary
Value: yes
koncepce.knihovna.cz/ Name: cookielawinfo-checkbox-functional
Value: no
koncepce.knihovna.cz/ Name: cookielawinfo-checkbox-performance
Value: no
koncepce.knihovna.cz/ Name: cookielawinfo-checkbox-analytics
Value: no
koncepce.knihovna.cz/ Name: cookielawinfo-checkbox-advertisement
Value: no
koncepce.knihovna.cz/ Name: cookielawinfo-checkbox-others
Value: no

1 Console Messages

Source Level URL
Text
security warning URL: https://koncepce.knihovna.cz/(Line 751)
Message:
Mixed Content: The page at 'https://koncepce.knihovna.cz/' was loaded over HTTPS, but requested an insecure element 'http://koncepce.knihovna.cz/wp-content/uploads/2021/02/Ministerstvo-kultury-logo-pozitiv-ces.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html