Tools & Wizards About Us
jake-james.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

jake-james.cz

Jake&James | Založení a prodej firmy, účetnictví a virtuální sídla

Page Load Speed

2.8 sec in total

First Response

341 ms

Resources Loaded

2.2 sec

Page Rendered

260 ms

jake-james.cz screenshot

About Website

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

Jsme partnerem pro Vaše podnikání. Od roku 2011 klientům zakládáme firmy, vedeme účetnictví a poskytujeme sídla. Objednejte si naše služby online!

Visit jake-james.cz

Key Findings

We analyzed Jake-james.cz page load time and found that the first response time was 341 ms and then it took 2.5 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

jake-james.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,540 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

Network Requests Diagram

jake-james.cz

341 ms

www.jake-james.cz

626 ms

bootstrap.css

342 ms

jquery.bxslider.css

223 ms

web.css

227 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 61% of them (28 requests) were addressed to the original Jake-james.cz, 4% (2 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (845 ms) belongs to the original domain Jake-james.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 306.6 kB (39%)

Content Size

792.7 kB

After Optimization

486.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jake-james.cz main page is 792.7 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. 35% of websites need less resources to load. Images take 447.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 16.2 kB

  • Original 23.3 kB
  • After minification 22.7 kB
  • After compression 7.1 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 16.2 kB or 70% of the original size.

Image Optimization

-14%

Potential reduce by 64.7 kB

  • Original 447.5 kB
  • After minification 382.8 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, Jake James needs image optimization as it can save up to 64.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 75.4 kB

  • Original 146.9 kB
  • After minification 123.8 kB
  • After compression 71.5 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 75.4 kB or 51% of the original size.

CSS Optimization

-86%

Potential reduce by 150.3 kB

  • Original 175.0 kB
  • After minification 144.4 kB
  • After compression 24.7 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. Jake-james.cz needs all CSS files to be minified and compressed as it can save up to 150.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (48%)

Requests Now

40

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jake James. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jake-james.cz

jake-james.cz

341 ms

www.jake-james.cz

www.jake-james.cz

626 ms

bootstrap.css

bootstrap.css

342 ms

jquery.bxslider.css

jquery.bxslider.css

223 ms

web.css

web.css

227 ms

jquery.min.js

jquery.min.js

62 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

8 ms

bootstrap.js

bootstrap.js

335 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

229 ms

web.js

web.js

228 ms

css

css

60 ms

logo.png

logo.png

119 ms

hpbox1.jpg

hpbox1.jpg

231 ms

hpicon1.png

hpicon1.png

221 ms

hpbox2.jpg

hpbox2.jpg

220 ms

hpicon2.png

hpicon2.png

223 ms

hpbox3.jpg

hpbox3.jpg

222 ms

hpicon3.png

hpicon3.png

394 ms

hpbox4.jpg

hpbox4.jpg

523 ms

hpicon4.png

hpicon4.png

521 ms

hpbanner.jpg

hpbanner.jpg

845 ms

footer_mapa.jpg

footer_mapa.jpg

401 ms

gtm.js

gtm.js

55 ms

sdk.js

sdk.js

273 ms

header_bg.png

header_bg.png

364 ms

ico_email.png

ico_email.png

467 ms

hpslider.jpg

hpslider.jpg

693 ms

ico_arrow_right.png

ico_arrow_right.png

487 ms

newsicon.png

newsicon.png

579 ms

ico_fb.png

ico_fb.png

579 ms

footer_logo.png

footer_logo.png

581 ms

bx_loader.gif

bx_loader.gif

604 ms

GdZvpAq9shJukTEvSQbePw.woff

GdZvpAq9shJukTEvSQbePw.woff

52 ms

hpORcvLZtemlH8gI-1S-7hsxEYwM7FgeyaSgU71cLG0.woff

hpORcvLZtemlH8gI-1S-7hsxEYwM7FgeyaSgU71cLG0.woff

53 ms

enriqueta-bold-webfont.woff

enriqueta-bold-webfont.woff

797 ms

analytics.js

analytics.js

9 ms

retargeting.js

retargeting.js

336 ms

417 ms

collect

collect

11 ms

collect

collect

50 ms

ga-audiences

ga-audiences

33 ms

110 ms

xd_arbiter.php

xd_arbiter.php

214 ms

xd_arbiter.php

xd_arbiter.php

418 ms

retargeting

retargeting

114 ms

217 ms

Accessibility Review

jake-james.cz accessibility score

91

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

Image elements do not have [alt] attributes

Best Practices

jake-james.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

Page has valid source maps

SEO Factors

jake-james.cz SEO score

81

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jake-james.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jake-james.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

jake-james.cz

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