Tools & Wizards About Us
defenceandstrategy.eu screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

defenceandstrategy.eu

Web of Science, Scopus, ERIH, DOAJ, ICI, CEEOL... - Obrana a strategie

Page Load Speed

4.7 sec in total

First Response

722 ms

Resources Loaded

3.6 sec

Page Rendered

414 ms

defenceandstrategy.eu screenshot

About Website

Visit defenceandstrategy.eu now to see the best up-to-date Defenceandstrategy content and also check out these interesting facts you probably never knew about defenceandstrategy.eu

Recenzovaný časopis Obrana a strategie (založen v roce 2001) je vydáván Univerzitou obrany, státní vojenskou vysokou školou s mnohaletou tradicí vědeckého bádání na poli obrany a bezpečnosti, a ve spo...

Visit defenceandstrategy.eu

Key Findings

We analyzed Defenceandstrategy.eu page load time and found that the first response time was 722 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

defenceandstrategy.eu performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

www.obranaastrategie.cz

722 ms

as4urs17481.css

214 ms

as4urs17481cl.css

211 ms

obrana-strategie.css

209 ms

gallery.css

211 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Defenceandstrategy.eu, 73% (46 requests) were made to Obranaastrategie.cz and 14% (9 requests) were made to As4u.cz. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Obranaastrategie.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 623.1 kB (67%)

Content Size

925.8 kB

After Optimization

302.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Defenceandstrategy.eu main page is 925.8 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 756.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 60.8 kB

  • Original 84.6 kB
  • After minification 84.5 kB
  • After compression 23.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 60.8 kB or 72% of the original size.

Image Optimization

-19%

Potential reduce by 8.6 kB

  • Original 45.3 kB
  • After minification 36.7 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, Defenceandstrategy needs image optimization as it can save up to 8.6 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 520.8 kB

  • Original 756.4 kB
  • After minification 733.8 kB
  • After compression 235.7 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 520.8 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 32.9 kB

  • Original 39.3 kB
  • After minification 32.5 kB
  • After compression 6.4 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. Defenceandstrategy.eu needs all CSS files to be minified and compressed as it can save up to 32.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (34%)

Requests Now

61

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Defenceandstrategy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.obranaastrategie.cz

www.obranaastrategie.cz

722 ms

as4urs17481.css

as4urs17481.css

214 ms

as4urs17481cl.css

as4urs17481cl.css

211 ms

obrana-strategie.css

obrana-strategie.css

209 ms

gallery.css

gallery.css

211 ms

jquery.js

jquery.js

518 ms

jquery-ui.js

jquery-ui.js

861 ms

nove_okno_obrazku.js

nove_okno_obrazku.js

509 ms

redakce.js

redakce.js

417 ms

ajax_load.js

ajax_load.js

414 ms

gallery4u.js

gallery4u.js

621 ms

as4u_popup.js

as4u_popup.js

733 ms

addthis_widget.js

addthis_widget.js

42 ms

imager.php

imager.php

560 ms

imager.php

imager.php

766 ms

imager.php

imager.php

559 ms

imager.php

imager.php

555 ms

imager.php

imager.php

559 ms

imager.php

imager.php

558 ms

imager.php

imager.php

562 ms

imager.php

imager.php

904 ms

imager.php

imager.php

808 ms

tisk.css

tisk.css

210 ms

imager.php

imager.php

789 ms

195332_150_6.jpg

195332_150_6.jpg

245 ms

168035_150_50.gif

168035_150_50.gif

260 ms

168037_150_50.gif

168037_150_50.gif

261 ms

472744_150_50.png

472744_150_50.png

260 ms

370527_150_50.jpg

370527_150_50.jpg

245 ms

168036_150_50.jpg

168036_150_50.jpg

423 ms

168759_150_50.gif

168759_150_50.gif

489 ms

236617_150_50.gif

236617_150_50.gif

489 ms

257715_150_50.jpg

257715_150_50.jpg

512 ms

173926_150_50.gif

173926_150_50.gif

508 ms

168038_150_50.gif

168038_150_50.gif

502 ms

190108_150_50.jpg

190108_150_50.jpg

671 ms

440629_150_50.png

440629_150_50.png

733 ms

242709_150_50.gif

242709_150_50.gif

744 ms

636258_150_50.png

636258_150_50.png

753 ms

168045_150_50.gif

168045_150_50.gif

753 ms

327514_150_50.jpg

327514_150_50.jpg

752 ms

435777_150_50.png

435777_150_50.png

918 ms

168047_150_50.gif

168047_150_50.gif

971 ms

168714_150_50.gif

168714_150_50.gif

979 ms

168048_150_50.jpg

168048_150_50.jpg

993 ms

267299_150_50.jpg

267299_150_50.jpg

991 ms

168051_150_50.gif

168051_150_50.gif

989 ms

497117_150_50.png

497117_150_50.png

1157 ms

473163_150_50.png

473163_150_50.png

1211 ms

168040_150_22.jpg

168040_150_22.jpg

1216 ms

168041_150_150.gif

168041_150_150.gif

1238 ms

187537_150_22.jpg

187537_150_22.jpg

1230 ms

399702_150_50.jpg

399702_150_50.jpg

1238 ms

399693_150_50.jpg

399693_150_50.jpg

1385 ms

imager.php

imager.php

1462 ms

imager.php

imager.php

1448 ms

300lo.json

300lo.json

53 ms

counter.5524cceca805eb4b9b2b.js

counter.5524cceca805eb4b9b2b.js

10 ms

loading.gif

loading.gif

1341 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

40 ms

shares.json

shares.json

47 ms

pixel

pixel

15 ms

pixel

pixel

17 ms

Accessibility Review

defenceandstrategy.eu accessibility score

92

Accessibility Issues

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

defenceandstrategy.eu 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

SEO Factors

defenceandstrategy.eu SEO score

91

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

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 Defenceandstrategy.eu 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 Defenceandstrategy.eu 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

defenceandstrategy.eu

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