Tools & Wizards About Us
guides.cz screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

guides.cz

Guides.cz : Stránky autorizovaných průvodců Prahou (Guides.cz)

Page Load Speed

2.2 sec in total

First Response

540 ms

Resources Loaded

1.6 sec

Page Rendered

139 ms

guides.cz screenshot

About Website

Click here to check amazing Guides content. Otherwise, check out these important facts you probably never knew about guides.cz

Visit guides.cz

Key Findings

We analyzed Guides.cz page load time and found that the first response time was 540 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

guides.cz performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

guides.cz

540 ms

styles.css

759 ms

logo-oppa-praha.gif

523 ms

prague-travel.gif

525 ms

ga.js

13 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 78% of them (7 requests) were addressed to the original Guides.cz, 22% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (759 ms) belongs to the original domain Guides.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.0 kB (63%)

Content Size

95.2 kB

After Optimization

35.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Guides.cz main page is 95.2 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. Only 10% of websites need less resources to load. CSS take 66.4 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 2.1 kB

  • Original 3.6 kB
  • After minification 3.5 kB
  • After compression 1.4 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 2.1 kB or 60% of the original size.

Image Optimization

-0%

Potential reduce by 15 B

  • Original 8.1 kB
  • After minification 8.1 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. Guides images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-87%

Potential reduce by 57.8 kB

  • Original 66.4 kB
  • After minification 60.3 kB
  • After compression 8.6 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. Guides.cz needs all CSS files to be minified and compressed as it can save up to 57.8 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Guides. According to our analytics all requests are already optimized.

Network Requests Diagram

guides.cz

guides.cz

540 ms

styles.css

styles.css

759 ms

logo-oppa-praha.gif

logo-oppa-praha.gif

523 ms

prague-travel.gif

prague-travel.gif

525 ms

ga.js

ga.js

13 ms

bgr.gif

bgr.gif

233 ms

logo-eu.gif

logo-eu.gif

233 ms

guide-bgr.jpg

guide-bgr.jpg

237 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

guides.cz accessibility score

54

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Form elements do not have associated labels

Best Practices

guides.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

guides.cz SEO score

62

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

Image elements do not have [alt] attributes

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 Guides.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 Guides.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

guides.cz

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