Tools & Wizards About Us
blog.mefistofeles.cz screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

blog.mefistofeles.cz

Zlaté stránky - online telefonní seznam zdarma 2022 | Rexter.cz

Page Load Speed

5 sec in total

First Response

739 ms

Resources Loaded

4 sec

Page Rendered

317 ms

blog.mefistofeles.cz screenshot

About Website

Click here to check amazing Blog Mefistofeles content for Czech Republic. Otherwise, check out these important facts you probably never knew about blog.mefistofeles.cz

Podívejte se na soukromá telefonní čísla nebo katalog firem.✅ Vše na jednom místě díky Zlatým stránkám.

Visit blog.mefistofeles.cz

Key Findings

We analyzed Blog.mefistofeles.cz page load time and found that the first response time was 739 ms and then it took 4.3 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

blog.mefistofeles.cz performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.456

20/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

zlate-stranky-online-telefonni-seznam_9656.html

739 ms

zlate-stranky-online-telefonni-seznam_795.html

789 ms

zlate-stranky-online-telefonni-seznam_795.html

304 ms

styles.css

106 ms

scripts.js

296 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blog.mefistofeles.cz, 13% (3 requests) were made to Administrace.gto.cz and 4% (1 request) were made to Casinoarena.cz. The less responsive or slowest element that took the longest time to load (798 ms) relates to the external source Administrace.gto.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.6 kB (10%)

Content Size

298.7 kB

After Optimization

270.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blog.mefistofeles.cz main page is 298.7 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. 30% of websites need less resources to load. Images take 139.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 28.1 kB

  • Original 39.6 kB
  • After minification 38.5 kB
  • After compression 11.4 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 28.1 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 65 B

  • Original 139.2 kB
  • After minification 139.1 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. Blog Mefistofeles images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 27 B

  • Original 99.9 kB
  • After minification 99.9 kB
  • After compression 99.9 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

-2%

Potential reduce by 388 B

  • Original 20.0 kB
  • After minification 20.0 kB
  • After compression 19.6 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. Blog.mefistofeles.cz has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Mefistofeles. According to our analytics all requests are already optimized.

Network Requests Diagram

zlate-stranky-online-telefonni-seznam_9656.html

zlate-stranky-online-telefonni-seznam_9656.html

739 ms

zlate-stranky-online-telefonni-seznam_795.html

zlate-stranky-online-telefonni-seznam_795.html

789 ms

zlate-stranky-online-telefonni-seznam_795.html

zlate-stranky-online-telefonni-seznam_795.html

304 ms

styles.css

styles.css

106 ms

scripts.js

scripts.js

296 ms

css

css

43 ms

adsbygoogle.js

adsbygoogle.js

176 ms

gtm.js

gtm.js

134 ms

icon-ZH-White.svg

icon-ZH-White.svg

798 ms

facebook-header-ico.png

facebook-header-ico.png

787 ms

instagram-header-ico.png

instagram-header-ico.png

796 ms

logo.svg

logo.svg

214 ms

facebook-header-ico.png

facebook-header-ico.png

210 ms

instagram-header2.png

instagram-header2.png

305 ms

main-nav-gradient-bgr.png

main-nav-gradient-bgr.png

312 ms

box-heading-bgr.png

box-heading-bgr.png

306 ms

icons.svg

icons.svg

321 ms

zlate-stranky-590x391_590x391.jpg

zlate-stranky-590x391_590x391.jpg

317 ms

li-square.png

li-square.png

316 ms

crop-2065-telly-hodnoceni-a-zkusenosti-s-digitalni-televizi-prihlaseni_590x256.jpg

crop-2065-telly-hodnoceni-a-zkusenosti-s-digitalni-televizi-prihlaseni_590x256.jpg

499 ms

crop-1475-oborova-zdravotni-pojistovna-(ozp)-vita-karta-%E2%80%93-prispevky-a-vyhody_590x256.jpg

crop-1475-oborova-zdravotni-pojistovna-(ozp)-vita-karta-%E2%80%93-prispevky-a-vyhody_590x256.jpg

499 ms

crop-2175-stastnych-10_590x256.jpg

crop-2175-stastnych-10_590x256.jpg

598 ms

gothamnarrow-bold-webfont.woff

gothamnarrow-bold-webfont.woff

358 ms

print.css

print.css

100 ms

Accessibility Review

blog.mefistofeles.cz accessibility score

100

Accessibility Issues

Best Practices

blog.mefistofeles.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

blog.mefistofeles.cz SEO score

100

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

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 Blog.mefistofeles.cz 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 Blog.mefistofeles.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

blog.mefistofeles.cz

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