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abcweb.cz screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

abcweb.cz

Odvětrávání, prosvětlení, nářadí | ABC web

Page Load Speed

3.1 sec in total

First Response

510 ms

Resources Loaded

2.5 sec

Page Rendered

143 ms

abcweb.cz screenshot

About Website

Click here to check amazing ABC Web content. Otherwise, check out these important facts you probably never knew about abcweb.cz

Nabízíme ventilační turbíny Lomanco, tubusové světlovody Sunizer, Sunpipe a ODL, klempířské nářadí Midwest i stroje VanMark, komínové hlavice.

Visit abcweb.cz

Key Findings

We analyzed Abcweb.cz page load time and found that the first response time was 510 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

abcweb.cz performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

abcweb.cz

510 ms

www.abcweb.cz

735 ms

css

61 ms

style.css

104 ms

colorbox.css

198 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 74% of them (32 requests) were addressed to the original Abcweb.cz, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (735 ms) belongs to the original domain Abcweb.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 352.8 kB (51%)

Content Size

687.0 kB

After Optimization

334.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Abcweb.cz main page is 687.0 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. Javascripts take 328.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 13.0 kB

  • Original 17.9 kB
  • After minification 14.3 kB
  • After compression 4.9 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 3.6 kB, which is 20% 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 13.0 kB or 73% of the original size.

Image Optimization

-30%

Potential reduce by 84.1 kB

  • Original 279.8 kB
  • After minification 195.7 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, ABC Web needs image optimization as it can save up to 84.1 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 207.1 kB

  • Original 328.9 kB
  • After minification 284.4 kB
  • After compression 121.8 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 207.1 kB or 63% of the original size.

CSS Optimization

-80%

Potential reduce by 48.5 kB

  • Original 60.3 kB
  • After minification 46.7 kB
  • After compression 11.8 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. Abcweb.cz needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (59%)

Requests Now

39

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ABC Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

abcweb.cz

abcweb.cz

510 ms

www.abcweb.cz

www.abcweb.cz

735 ms

css

css

61 ms

style.css

style.css

104 ms

colorbox.css

colorbox.css

198 ms

swfobject_modified.js

swfobject_modified.js

293 ms

jquery.min.js

jquery.min.js

64 ms

jquery.colorbox.js

jquery.colorbox.js

318 ms

jquery-ui-1.8.10.custom.css

jquery-ui-1.8.10.custom.css

319 ms

thickbox.css

thickbox.css

336 ms

popup.css

popup.css

335 ms

base.js

base.js

418 ms

default.js

default.js

388 ms

jCarouseLite.min.js

jCarouseLite.min.js

388 ms

jCarouse.js

jCarouse.js

399 ms

jquery.cycle-1.3.1.js

jquery.cycle-1.3.1.js

403 ms

lofsslidernews.js

lofsslidernews.js

400 ms

loftslidernews.css

loftslidernews.css

477 ms

conversion.js

conversion.js

119 ms

analytics.js

analytics.js

115 ms

logo-ABC.png

logo-ABC.png

124 ms

icons.png

icons.png

123 ms

loadingAnimation.gif

loadingAnimation.gif

124 ms

arrows.png

arrows.png

302 ms

4.jpg

4.jpg

204 ms

11.jpg

11.jpg

308 ms

5.jpg

5.jpg

293 ms

shadow.png

shadow.png

198 ms

new(2).jpg

new(2).jpg

237 ms

bgFooterMedal.png

bgFooterMedal.png

295 ms

dot.asp

dot.asp

715 ms

92 ms

overlay.png

overlay.png

220 ms

controls.png

controls.png

233 ms

border.png

border.png

306 ms

loading_background.png

loading_background.png

308 ms

loading.gif

loading.gif

316 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

319 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVcUwaEQXjM.ttf

81 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVcUwaEQXjM.ttf

153 ms

collect

collect

17 ms

js

js

73 ms

54 ms

Accessibility Review

abcweb.cz accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best Practices

abcweb.cz best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

abcweb.cz SEO score

54

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Abcweb.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Abcweb.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

abcweb.cz

Open Graph description is not detected on the main page of ABC Web. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: