Tools & Wizards About Us
ctrlv.cz screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

ctrlv.cz

CtrlV.cz | Nejrychlejší ScreenShot a PrintScreen online

Page Load Speed

2.8 sec in total

First Response

417 ms

Resources Loaded

2.3 sec

Page Rendered

131 ms

ctrlv.cz screenshot

About Website

Welcome to ctrlv.cz homepage info - get ready to check CtrlV best content for Czech Republic right away, or after learning these important things about ctrlv.cz

CtrlV.cz nabízí nejrychlejší ScreenShot a PrintScreen online jen pomocí webového prohlížeče a to bez doplňků.

Visit ctrlv.cz

Key Findings

We analyzed Ctrlv.cz page load time and found that the first response time was 417 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

ctrlv.cz performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

ctrlv.cz

417 ms

ctrlv.cz

524 ms

css

809 ms

screen.78.css

108 ms

jquery-1.11.0.min.js

35 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 68% of them (21 requests) were addressed to the original Ctrlv.cz, 10% (3 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (809 ms) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.0 kB (70%)

Content Size

386.1 kB

After Optimization

117.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ctrlv.cz main page is 386.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 221.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.3 kB

  • Original 11.8 kB
  • After minification 9.3 kB
  • After compression 3.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 2.6 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.3 kB or 71% of the original size.

Image Optimization

-74%

Potential reduce by 163.4 kB

  • Original 221.7 kB
  • After minification 58.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, CtrlV needs image optimization as it can save up to 163.4 kB or 74% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 66.9 kB

  • Original 115.6 kB
  • After minification 115.3 kB
  • After compression 48.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 66.9 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 30.3 kB

  • Original 37.0 kB
  • After minification 30.3 kB
  • After compression 6.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Ctrlv.cz needs all CSS files to be minified and compressed as it can save up to 30.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (44%)

Requests Now

25

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CtrlV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ctrlv.cz

ctrlv.cz

417 ms

ctrlv.cz

ctrlv.cz

524 ms

css

css

809 ms

screen.78.css

screen.78.css

108 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

35 ms

jquery.imgareaselect.pack.js

jquery.imgareaselect.pack.js

212 ms

jquery.cookies.min.js

jquery.cookies.min.js

308 ms

jquery.noty.packaged.min.js

jquery.noty.packaged.min.js

422 ms

jquery-ui-1.10.4.custom.min.js

jquery-ui-1.10.4.custom.min.js

318 ms

ads.js

ads.js

317 ms

scripts.135.js

scripts.135.js

330 ms

imgareaselect-animated.css

imgareaselect-animated.css

230 ms

jquery-ui-1.10.4.custom.css

jquery-ui-1.10.4.custom.css

306 ms

recommend.cs.png

recommend.cs.png

210 ms

logo.cs.png

logo.cs.png

329 ms

cropit.cs.png

cropit.cs.png

211 ms

replay.cs.png

replay.cs.png

205 ms

blank.png

blank.png

216 ms

lang.png

lang.png

206 ms

win8.png

win8.png

407 ms

server.png

server.png

408 ms

pen.png

pen.png

414 ms

noimage.png

noimage.png

416 ms

5M21SdFLkD52QavfmHs6cA.ttf

5M21SdFLkD52QavfmHs6cA.ttf

83 ms

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

87 ms

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

105 ms

all.js

all.js

426 ms

analytics.js

analytics.js

55 ms

collect

collect

15 ms

collect

collect

57 ms

ga-audiences

ga-audiences

46 ms

Accessibility Review

ctrlv.cz accessibility score

93

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

ctrlv.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ctrlv.cz SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctrlv.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Ctrlv.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

ctrlv.cz

Open Graph data is detected on the main page of CtrlV. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: