Tools & Wizards About Us
info-havirov.cz screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

info-havirov.cz

Info-Havirov.cz - katalog odkazů a firem, vyhledávání na mapách, články

Page Load Speed

3 sec in total

First Response

351 ms

Resources Loaded

2.4 sec

Page Rendered

297 ms

info-havirov.cz screenshot

About Website

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

Vyhledávač pro město Havířov a okolí s přehledně členěnými kategoriemi oborů jako jsou e-shopy, maloobchody, kulturní a společenské akce.ídky, vyhledá

Visit info-havirov.cz

Key Findings

We analyzed Info-havirov.cz page load time and found that the first response time was 351 ms and then it took 2.7 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

info-havirov.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

info-havirov.cz

351 ms

www.info-havirov.cz

758 ms

screen.css-ver-1457942906.css

422 ms

jquery-ui.css-ver-1449133763.css

325 ms

plusone.js

154 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Info-havirov.cz, 70% (39 requests) were made to Data.info-brno.cz and 14% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (758 ms) belongs to the original domain Info-havirov.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.4 kB (80%)

Content Size

189.4 kB

After Optimization

37.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Info-havirov.cz main page is 189.4 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. 50% of websites need less resources to load. CSS take 132.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 37.0 kB

  • Original 46.3 kB
  • After minification 40.9 kB
  • After compression 9.3 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 5.4 kB, which is 12% 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 37.0 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 7 B

  • Original 88 B
  • After minification 81 B

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. Info Havirov images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 6.0 kB

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 4.4 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 6.0 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 109.3 kB

  • Original 132.6 kB
  • After minification 113.4 kB
  • After compression 23.3 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. Info-havirov.cz needs all CSS files to be minified and compressed as it can save up to 109.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (89%)

Requests Now

54

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Info Havirov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

info-havirov.cz

info-havirov.cz

351 ms

www.info-havirov.cz

www.info-havirov.cz

758 ms

screen.css-ver-1457942906.css

screen.css-ver-1457942906.css

422 ms

jquery-ui.css-ver-1449133763.css

jquery-ui.css-ver-1449133763.css

325 ms

plusone.js

plusone.js

154 ms

js

js

141 ms

jsapi

jsapi

121 ms

jquery-1.8.1.min.js

jquery-1.8.1.min.js

120 ms

jquery-ui.min.js

jquery-ui.min.js

118 ms

jquery.cookie.js

jquery.cookie.js

322 ms

flash.js

flash.js

330 ms

jquery.tooltip.css-ver-1454319940.css

jquery.tooltip.css-ver-1454319940.css

329 ms

jquery.tooltip.js

jquery.tooltip.js

328 ms

tools.js-ver-1457951443.js

tools.js-ver-1457951443.js

525 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

113 ms

head.gif

head.gif

204 ms

logo_havirov.gif

logo_havirov.gif

214 ms

search_menu_bottom.gif

search_menu_bottom.gif

203 ms

bg_menu.gif

bg_menu.gif

202 ms

bg_input.gif

bg_input.gif

212 ms

submit.gif

submit.gif

205 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

178 ms

bg_yellow-line.gif

bg_yellow-line.gif

178 ms

a.gif

a.gif

179 ms

b.gif

b.gif

180 ms

c.gif

c.gif

180 ms

d.gif

d.gif

180 ms

e.gif

e.gif

266 ms

f.gif

f.gif

267 ms

g.gif

g.gif

267 ms

h.gif

h.gif

266 ms

ch.gif

ch.gif

268 ms

i.gif

i.gif

271 ms

j.gif

j.gif

357 ms

k.gif

k.gif

356 ms

l.gif

l.gif

357 ms

m.gif

m.gif

360 ms

n.gif

n.gif

360 ms

o.gif

o.gif

361 ms

p.gif

p.gif

452 ms

r.gif

r.gif

450 ms

s.gif

s.gif

452 ms

t.gif

t.gif

456 ms

u.gif

u.gif

456 ms

v.gif

v.gif

457 ms

z.gif

z.gif

545 ms

dot.asp

dot.asp

327 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

16 ms

fastbutton

fastbutton

97 ms

postmessageRelay

postmessageRelay

88 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

31 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

55 ms

rpc:shindig_random.js

rpc:shindig_random.js

65 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

print.css-ver-1425373509.css

print.css-ver-1425373509.css

107 ms

Accessibility Review

info-havirov.cz accessibility score

67

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

Form elements do not have associated labels

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

info-havirov.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

info-havirov.cz SEO score

93

Search Engine Optimization Advices

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

    CZ

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Info-havirov.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Info-havirov.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

info-havirov.cz

Open Graph description is not detected on the main page of Info Havirov. 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: