4 sec in total
522 ms
3.2 sec
338 ms
Visit blog.cz now to see the best up-to-date Blog content for United States and also check out these interesting facts you probably never knew about blog.cz
Aktuální zpravodajství z České republiky, regionů a ze světa. Video reportáže, články a rozhovory z online redakce Televizních novin TV Nova.
Visit blog.czWe analyzed Blog.cz page load time and found that the first response time was 522 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
blog.cz performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value52.5 s
0/100
25%
Value72.2 s
0/100
10%
Value99,510 ms
0/100
30%
Value0
100/100
15%
Value129.0 s
0/100
10%
522 ms
654 ms
265 ms
966 ms
661 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Blog.cz, 51% (49 requests) were made to Bs.jxs.cz and 12% (12 requests) were made to Nd06.jxs.cz. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Nd06.jxs.cz.
Page size can be reduced by 1.3 MB (19%)
6.9 MB
5.6 MB
In fact, the total size of Blog.cz main page is 6.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 5.8 MB which makes up the majority of the site volume.
Potential reduce by 37.8 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. This page needs HTML code to be minified as it can gain 10.7 kB, which is 22% 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 37.8 kB or 77% of the original size.
Potential reduce by 529.9 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 images are well optimized though.
Potential reduce by 402.4 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 402.4 kB or 64% of the original size.
Potential reduce by 327.7 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. Blog.cz needs all CSS files to be minified and compressed as it can save up to 327.7 kB or 85% of the original size.
Number of requests can be reduced by 38 (40%)
96
58
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.
blog.cz
522 ms
common.packed.css
654 ms
translation.js
265 ms
jquery-1.5.1-plus-ui-1.8.10.packed.js
966 ms
jquery.jcarousel.packed.js
661 ms
jquery.zaccordion.packed.js
552 ms
jquery.scrollfollow.packed.js
553 ms
form.packed.js
662 ms
common.packed.js
660 ms
homepage.packed.js
660 ms
swfobject.packed.js
753 ms
analytics.packed.js
753 ms
cross2.packed.js
756 ms
suggest.packed.js
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ga.js
17 ms
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avatar.png
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ribbon_icons.png
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ribbon_ico_novaplus.gif
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background.jpg
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empty.jpg
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avatarU2.png
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nova.png
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prask.png
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tn.png
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doma.png
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xgemius.js
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headerOverflowLeft2.jpg
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logo.jpg
313 ms
bubble_left.png
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background_search.jpg
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__utm.gif
18 ms
searchButton.png
288 ms
createBlog.png
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bubble_right.png
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menuBr.gif
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panelBackground.gif
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content_box_background.png
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homepageIcons.png
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aotd_article_background.png
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author_box_left.png
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blogs_krasna_1.png
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background_advertisement_panel.jpg
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panelLoginBackground.jpg
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loginInput.jpg
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buttonLeft.png
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paginatorLongButton.png
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blogs_krasna_3.png
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addyn%7C3.0%7C1045.1%7C2437045%7C0%7C170%7CADTECH;cfp=1;rndc=1456746048;cookie=info;alias=Rectangle_2_Blog.cz_Homepage_;loc=100;target=_blank;sub1=[subst];key=key1+key2+key3+key4;grp=683;misc=1456746048705
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adtrack.php
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extFile1.js
10 ms
fpdata.js
107 ms
lsget.html
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partnerJsApi
359 ms
all.js
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background_news.jpg
209 ms
bgrCrossPromo.png
114 ms
bgrCrossPromoLi.png
105 ms
carousel_slider_background.png
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carousel_left_button.png
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carousel_right_button.png
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rexdot.js
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passback.php
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tag.min.js
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xd_arbiter.php
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xd_arbiter.php
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bbnaut-core-1.7.5.min.js
223 ms
blog.cz accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
blog.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
blog.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.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.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.
blog.cz
Open Graph description is not detected on the main page of Blog. 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: