Access nss.cz. Nový šachový server - šachové zprávy z domova a ze světa

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.204

61/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

nss.cz

337 ms

www.nss.cz

3106 ms

cssloader-c8eab0ed33d0.css

110 ms

jquery-ui-1.8.19.custom.css

208 ms

jsloader-06365e7f1e82.js

525 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 81% of them (94 requests) were addressed to the original Nss.cz, 4% (5 requests) were made to Pagead2.googlesyndication.com and 4% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Nss.cz.

Content Size

1.7 MB

After Optimization

1.2 MB

In fact, the total size of Nss.cz main page is 1.7 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 67.0 kB

Original 80.9 kB
After minification 72.6 kB
After compression 13.9 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 67.0 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 82.4 kB

Original 1.1 MB
After minification 984.3 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. NSS images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 301.6 kB

Original 490.0 kB
After minification 462.4 kB
After compression 188.4 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 301.6 kB or 62% of the original size.

CSS Optimization

-82%

Potential reduce by 62.7 kB

Original 76.7 kB
After minification 68.7 kB
After compression 14.0 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. Nss.cz needs all CSS files to be minified and compressed as it can save up to 62.7 kB or 82% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NSS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

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 Nss.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 Nss.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

nss.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Nový šachový server - šachové zprávy z domova a ze světa | NSS.cz

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

nss.cz

www.nss.cz

cssloader-c8eab0ed33d0.css

jquery-ui-1.8.19.custom.css

jsloader-06365e7f1e82.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nss.cz

www.nss.cz

cssloader-c8eab0ed33d0.css

jquery-ui-1.8.19.custom.css

jsloader-06365e7f1e82.js

lightbox.js

lightbox.css

jquery.bxslider.min.js

jquery.bxslider.css

jquery-ui-timepicker-addon.js

jquery-ui-timepicker-addon.css

public.js

netteForms.js

adsbygoogle.js

NSS_iframe.html

banner_mychess.jpg

icons.png

logo.png

ikony.png

bgs.png

toolsbuttons_users.png

1456670530-preview.jpg

1456602462-preview.jpg

1456601927-preview.JPG

1456523729-preview.jpg

1456434716-preview.jpg

1456354350-preview.jpg

1456160883-preview.jpg

1456084992-preview.jpg

1455996029-preview.jpg

1456006202-preview.jpg

1455870055-preview.jpg

1455760589-preview.jpg

1455663697-preview.jpg

1455628359-preview.jpg

banner-eshop-nss.jpg

1367860816-preview.jpg

1364557575-preview.JPG

1382832666-preview.jpg

1364767597-preview.jpeg

1364728690-preview.JPG

1395296919-preview.jpg

karjakin.jpg