4.2 sec in total
788 ms
2.5 sec
936 ms
Welcome to delphi.cz homepage info - get ready to check Delphi best content for Czech Republic right away, or after learning these important things about delphi.cz
Komunitní portál Delphi
Visit delphi.czWe analyzed Delphi.cz page load time and found that the first response time was 788 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
delphi.cz performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value6.5 s
9/100
25%
Value6.1 s
44/100
10%
Value4,690 ms
0/100
30%
Value0.269
45/100
15%
Value12.3 s
15/100
10%
788 ms
375 ms
185 ms
25 ms
254 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 29% of them (23 requests) were addressed to the original Delphi.cz, 32% (25 requests) were made to Miniaplikace.blueboard.cz and 12% (9 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (931 ms) relates to the external source Miniaplikace.blueboard.cz.
Page size can be reduced by 230.0 kB (22%)
1.0 MB
794.9 kB
In fact, the total size of Delphi.cz main page is 1.0 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. 40% of websites need less resources to load. Images take 871.5 kB which makes up the majority of the site volume.
Potential reduce by 73.0 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 73.0 kB or 79% of the original size.
Potential reduce by 138.8 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, Delphi needs image optimization as it can save up to 138.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 18.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 18.1 kB or 30% of the original size.
Potential reduce by 93 B
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. Delphi.cz needs all CSS files to be minified and compressed as it can save up to 93 B or 32% of the original size.
Number of requests can be reduced by 40 (53%)
75
35
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delphi. 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 5 to 1 for CSS and as a result speed up the page load time.
delphi.cz
788 ms
css.axd
375 ms
cz.js
185 ms
css
25 ms
css.axd
254 ms
WebResource.axd
620 ms
delphicz-trans.png
501 ms
is4Delphixe8.png
662 ms
bogo2016.png
758 ms
rssButton.gif
484 ms
widget-anketa-989606
339 ms
code
344 ms
js.axd
418 ms
conversion.js
16 ms
2016roadmap4.png
488 ms
logoback2.png
654 ms
sqlitespy.png
523 ms
twitter-logo.png
387 ms
facebook-icon.png
423 ms
pf2016.png
787 ms
spider3.png
768 ms
tk.png
508 ms
tsplitview.png
675 ms
MVP_Logo_Delphi_200x200.png
645 ms
btn_donateCC_LG.gif
659 ms
Delphi_Certified_Dev.png
905 ms
opml.png
779 ms
6LmGj5dOJopQKEkt88GowY0KHfVOILGSZnYUI76HmMo.ttf
33 ms
remote.gif
525 ms
widgets.js
103 ms
loader.gif
243 ms
anketa_1.php
249 ms
counter_1.php
246 ms
hit
254 ms
ga.js
28 ms
51 ms
__utm.gif
39 ms
fbds.js
85 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
142 ms
40 ms
108 ms
0241.gif
235 ms
0242.gif
240 ms
0243.gif
243 ms
0211.gif
245 ms
0212.gif
243 ms
0213.gif
262 ms
0231.gif
463 ms
0232.gif
465 ms
0233.gif
465 ms
0271.gif
474 ms
0272.gif
471 ms
0273.gif
483 ms
0291.gif
695 ms
0292.gif
693 ms
0293.gif
694 ms
0261.gif
699 ms
0262.gif
700 ms
0263.gif
715 ms
0201.gif
914 ms
0202.gif
923 ms
0203.gif
931 ms
syndication
94 ms
444126898419806208
178 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
34 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
85 ms
ddd_normal.png
191 ms
fxiRn3Zf_normal.png
218 ms
M5d0GflI_normal.jpeg
286 ms
MzlvjMvT_normal.png
297 ms
AcAfevC-_normal.png
344 ms
AhQa9Bsn_normal.jpg
305 ms
r8Oyf_Wb_normal.png
305 ms
hJi_JhLq_normal.jpg
309 ms
CXfKnF7WEAEhKoc.jpg:small
359 ms
jot
27 ms
22 ms
star_small.gif
126 ms
delphi.cz accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
delphi.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
delphi.cz SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delphi.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Delphi.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.
delphi.cz
Open Graph description is not detected on the main page of Delphi. 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: