Tools & Wizards About Us
dotnetportal.cz screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dotnetportal.cz

Největší český web zaměřený na .NET framework

Page Load Speed

5.7 sec in total

First Response

386 ms

Resources Loaded

5.2 sec

Page Rendered

154 ms

dotnetportal.cz screenshot

About Website

Click here to check amazing Dot NET Portal content for Slovakia. Otherwise, check out these important facts you probably never knew about dotnetportal.cz

Články, blogy, seriály pro začátečníky a diskusní fóra - C# a Visual Basic - webový magazín zaměřený na vývoj aplikací, .NET Framework a Microsoft technologie

Visit dotnetportal.cz

Key Findings

We analyzed Dotnetportal.cz page load time and found that the first response time was 386 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

dotnetportal.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value3,380 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.175

69/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

dotnetportal.cz

386 ms

www.dotnetportal.cz

943 ms

shCore.css

635 ms

shThemeDefault.css

631 ms

admin.css

634 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 70% of them (42 requests) were addressed to the original Dotnetportal.cz, 8% (5 requests) were made to Google.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Dotnetportal.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.6 kB (48%)

Content Size

742.8 kB

After Optimization

385.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dotnetportal.cz main page is 742.8 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. Javascripts take 565.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 92.1 kB

  • Original 110.9 kB
  • After minification 77.4 kB
  • After compression 18.8 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 33.5 kB, which is 30% 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 92.1 kB or 83% of the original size.

Image Optimization

-21%

Potential reduce by 3.0 kB

  • Original 14.5 kB
  • After minification 11.5 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, Dot NET Portal needs image optimization as it can save up to 3.0 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-40%

Potential reduce by 223.6 kB

  • Original 565.1 kB
  • After minification 564.9 kB
  • After compression 341.6 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 223.6 kB or 40% of the original size.

CSS Optimization

-75%

Potential reduce by 39.0 kB

  • Original 52.3 kB
  • After minification 39.7 kB
  • After compression 13.3 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. Dotnetportal.cz needs all CSS files to be minified and compressed as it can save up to 39.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (83%)

Requests Now

52

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dot NET Portal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dotnetportal.cz

dotnetportal.cz

386 ms

www.dotnetportal.cz

www.dotnetportal.cz

943 ms

shCore.css

shCore.css

635 ms

shThemeDefault.css

shThemeDefault.css

631 ms

admin.css

admin.css

634 ms

admin.min.css

admin.min.css

630 ms

layout3.css

layout3.css

633 ms

token-input.css

token-input.css

638 ms

WebResource.axd

WebResource.axd

984 ms

ScriptResource.axd

ScriptResource.axd

1014 ms

ScriptResource.axd

ScriptResource.axd

1107 ms

ScriptResource.axd

ScriptResource.axd

1000 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

30 ms

jquery.timeago.js

jquery.timeago.js

1008 ms

DotNetPortal.min.js

DotNetPortal.min.js

1026 ms

jquery.animate-colors-min.js

jquery.animate-colors-min.js

1337 ms

shCore.js

shCore.js

1359 ms

shBrushVb.js

shBrushVb.js

1378 ms

shBrushSql.js

shBrushSql.js

1366 ms

shBrushXml.js

shBrushXml.js

1392 ms

shBrushCss.js

shBrushCss.js

1463 ms

shBrushCsharp.js

shBrushCsharp.js

1693 ms

shBrushJScript.js

shBrushJScript.js

1714 ms

shBrushPlain.js

shBrushPlain.js

1744 ms

jquery.tokeninput.js

jquery.tokeninput.js

1737 ms

jquery.textinputs.min.js

jquery.textinputs.min.js

1748 ms

jquery.cookies.2.2.0.min.js

jquery.cookies.2.2.0.min.js

1823 ms

js

js

1791 ms

adsbygoogle.js

adsbygoogle.js

172 ms

ga.js

ga.js

32 ms

da.js

da.js

320 ms

recorder.js

recorder.js

46 ms

profile-default-20x20.jpg

profile-default-20x20.jpg

353 ms

search.png

search.png

1437 ms

question.png

question.png

1469 ms

rss.png

rss.png

1477 ms

continue.png

continue.png

1470 ms

login_microsoft.png

login_microsoft.png

1512 ms

login_facebook.png

login_facebook.png

1291 ms

login_twitter.png

login_twitter.png

2490 ms

login_google.png

login_google.png

2488 ms

__utm.gif

__utm.gif

11 ms

logo.png

logo.png

1305 ms

background-middle.png

background-middle.png

1301 ms

segoewp-semibold-webfont.woff

segoewp-semibold-webfont.woff

1283 ms

segoewp-semilight-webfont.woff

segoewp-semilight-webfont.woff

1292 ms

cse.js

cse.js

35 ms

like.php

like.php

142 ms

cse.js

cse.js

64 ms

feedback.png

feedback.png

1552 ms

fbevents.js

fbevents.js

23 ms

cse_element__cs.js

cse_element__cs.js

10 ms

default+cs.css

default+cs.css

50 ms

default.css

default.css

49 ms

async-ads.js

async-ads.js

26 ms

branding.png

branding.png

37 ms

y-w6ncCxpsQ.js

y-w6ncCxpsQ.js

42 ms

FEppCFCt76d.png

FEppCFCt76d.png

42 ms

segoewp-semibold-webfont.ttf

segoewp-semibold-webfont.ttf

451 ms

segoewp-semilight-webfont.ttf

segoewp-semilight-webfont.ttf

181 ms

Accessibility Review

dotnetportal.cz accessibility score

76

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

dotnetportal.cz best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dotnetportal.cz SEO score

69

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dotnetportal.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 Dotnetportal.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

dotnetportal.cz

Open Graph data is detected on the main page of Dot NET Portal. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: