Czc.cz - SEO Checker - Website Review

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67 czc.cz Last Updated: 9 months

Success 78% of passed verification steps

Warning 7% of total warning

Errors 15% of total errors, require fast action

Mobile

Performance Desktop Score 85%

Best Practices Desktop Score 85%

SEO Desktop Score 91%

Progressive Web App Desktop Score 73%

Performance Mobile Score 67%

Best Practices Mobile Score 85%

SEO Mobile Score 89%

Progressive Web App Mobile Score 74%

Page Authority Authority 47%

Domain Authority Domain Authority 76%

Moz Rank 4.7/10

Bounce Rate Rate 0%

Charset Encoding

Great, language/character encoding is specified: UTF-8

Title Tag 35 Characters

CZC.CZ - ROZUMÍME VÁM I ELEKTRONICE

Meta Description 143 Characters

Jeden z největších internetových obchodů s výpočetní technikou a elektronikou. Široká nabídka notebooků, komponent, PC sestav, montáž počítačů.

Effective URL 18 Characters

https://www.czc.cz

Excerpt Page content

CZC.cz - rozumíme vám i elektronice ...

Meta Keywords 6 Detected

Notebooky počítače PC pevné disky LCD monitory tiskárny

Keywords Cloud Density

příslušenství49 herní30 geek25 position20 price20 name20 magazín19 karty17 černá16 iphone15

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
příslušenství	49
herní	30
geek	25
position	20
price	20
name	20
magazín	19
karty	17
černá	16
iphone	15

Google Preview Your look like this in google search result

CZC.CZ - ROZUMÍME VÁM I ELEKTRONICE

https://www.czc.cz

Jeden z největších internetových obchodů s výpočetní technikou a elektronikou. Široká nabídka notebooků, komponent, PC sestav, montáž počítačů.

Robots.txt File Detected

http://czc.cz/robots.txt

Sitemap.xml File Detected

http://czc.cz/sitemap.xml

Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system

Updated: 1970-01-01 / 51 years

Create on: 1970-01-01 / 51 years

Expires on: 1970-01-01 / 618 months 15 days

REG-INTERNET-CZ REG-INTERNET-CZ REG-INTERNET-CZ REG-INTERNET-CZ REG-INTERNET-CZ REG-INTERNET-CZ REG-INTERNET-CZ ,

Registrar Address: Brodská 570 Příbram 26101 CZ Sedlice 67 Rožmitál pod Třemšínem 26242 CZ Ktiš 2 Ktiš 38403 CZ Ktiš 2 Ktiš 38403 CZ ,

Josef Matějka Josef Matějka Stefano Cecconi Stefano Cecconi

Nameservers

ns.forpsi.net

ns.forpsi.cz

(81.2.209.185,

2001:15e8:201:1::d1b9)

ns.forpsi.it

Page Size Code & Text Ratio

Document Size: ~372.29 KB

Code Size: ~242.83 KB

Text Size: ~129.46 KB Ratio: 34.77%

Estimation Traffic and Earnings

Only Registered Users

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Technologies

PWA - Manifest

CZC.cz CZC.cz

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)

Param name

CZC.cz

Param short_name

CZC.cz

Param prefer_related_applications

Param theme_color

#ffffff

Param background_color

#ffffff

Param display

standalone

Manifest is not valid

Your manifest are missing some important params, read more in Web App Manifest

Desktop

Defer offscreen images Potential savings of 44 KB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Server Backend Latencies 0 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Properly size images Potential savings of 22 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 2.3 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 1.3 s

First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).

Avoids enormous network payloads Total size was 1,169 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimizes main-thread work 1.2 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 0.6 s

First Contentful Paint marks the time at which the first text or image is painted

Includes front-end JavaScript libraries with known security vulnerabilities 1 vulnerability detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Avoid chaining critical requests 4 chains found

The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load

Avoid an excessive DOM size 3,214 elements

A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)

First Meaningful Paint 0.6 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 118 requests • 1,169 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Serve static assets with an efficient cache policy 36 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 70 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 1.9 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Network Round Trip Times 0 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Estimated Input Latency 10 ms

Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy

Remove unused CSS Potential savings of 106 KB

Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity

Serve images in next-gen formats Potential savings of 63 KB

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Reduce server response times (TTFB) Root document took 920 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 0 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Enable text compression Potential savings of 12 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Minimize third-party usage Third-party code blocked the main thread for 20 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Total Blocking Time 10 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 0.3 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Mobile

Tap targets are not sized appropriately 64% appropriately sized tap targets

Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements

Document uses legible font sizes 100% legible text

Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px

Remove unused CSS Potential savings of 106 KB

Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity

Server response times are low (TTFB) Root document took 260 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 580 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Enable text compression Potential savings of 12 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Minimize third-party usage Third-party code blocked the main thread for 0 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Total Blocking Time 170 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 0.9 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Server Backend Latencies 0 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Defer offscreen images Potential savings of 52 KB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Properly size images Potential savings of 20 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 4.3 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 5.7 s

First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).

Avoids enormous network payloads Total size was 750 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimize main-thread work 3.3 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 2.7 s

First Contentful Paint marks the time at which the first text or image is painted

Includes front-end JavaScript libraries with known security vulnerabilities 1 vulnerability detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Avoid chaining critical requests 5 chains found

Avoid an excessive DOM size 3,079 elements

First Meaningful Paint 2.7 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 95 requests • 750 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Serve static assets with an efficient cache policy 24 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 260 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 7.2 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Network Round Trip Times 0 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

First Contentful Paint (3G) 5490 ms

First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network

Estimated Input Latency 30 ms

Speed And Optimization Tips

Only Registered Users

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server

HTTP/1.1 200 
Set-Cookie: JSESSIONID=B5B92F3BF52780BC7F1996A0C85A4AD8; Path=/; Secure; HttpOnly; SameSite=Lax
Cache-Control: no-store
Content-Type: text/html;charset=utf-8
Content-Language: cs
Transfer-Encoding: chunked
Date: Mon, 27 Jan 2020 15:00:13 GMT
Set-Cookie: BIGipServerczc-dynamic-pool=2415962304.36895.0000; path=/; Httponly; Secure
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	czc.cz	82.99.173.171	IN	299
A	czc.cz	82.99.173.173	IN	299
NS	czc.cz	ns.forpsi.net	IN	3600
NS	czc.cz	ns.forpsi.it	IN	3600
NS	czc.cz	ns.forpsi.cz	IN	3600
MX	czc.cz	czc-cz.mail.protection.outlook.com	IN	300
TXT	czc.cz	MS=ms78337871	IN	1800
TXT	czc.cz	google-site-verification=tjaLLqmSIy_TkSSY5qxVexnbbzY0BbuEeXeC1uzFu2U	IN	1800
TXT	czc.cz	facebook-domain-verification=eiwypu6ldl1zzycpy546brlugazcdv	IN	1800
TXT	czc.cz	google-site-verification=B2qWJQklvBK-XR53zEVKIPlHYyg4k6ysq1xqXk2ceIk	IN	1800
TXT	czc.cz	v=spf1 include:_spf.echit.cz mx ip4:82.99.173.0/24 include:_spf.google.com include:spf.protection.outlook.com ~all	IN	1800
TXT	czc.cz	google-site-verification=cGjNctpqJNte2IqcToMbk1JoVrHVMToFW22Om0v6tCM	IN	1800

Your Website Score is

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67 czc.cz Last Updated: 9 months

Desktop

Mobile

Estimation Traffic and Earnings

Sign up for see all features and reviews about this site

Technologies

Google Tag Manager

Java

Optimizely

PWA - Manifest

Desktop

Mobile

Speed And Optimization Tips

Sign up for see all features and reviews about this site

Alexa Rank

0

Information Server

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