Access nln.cz. NLN, s.r.o. – Nakladatelství lidové noviny

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

nln.cz

266 ms

www.nln.cz

1139 ms

ga.js

27 ms

style_vendor.css

307 ms

api.js

42 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 92% of them (70 requests) were addressed to the original Nln.cz, 3% (2 requests) were made to Ssl.google-analytics.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Nln.cz.

Content Size

3.1 MB

After Optimization

2.1 MB

In fact, the total size of Nln.cz main page is 3.1 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 110.2 kB

Original 131.7 kB
After minification 117.8 kB
After compression 21.5 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 13.9 kB, which is 11% 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 110.2 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 18.2 kB

Original 1.7 MB
After minification 1.7 MB

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. NLN images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 632.3 kB

Original 975.9 kB
After minification 660.2 kB
After compression 343.7 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 632.3 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 227.0 kB

Original 263.2 kB
After minification 221.2 kB
After compression 36.2 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. Nln.cz needs all CSS files to be minified and compressed as it can save up to 227.0 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NLN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

CS
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nln.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nln.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

nln.cz

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

NLN, s.r.o. – Nakladatelství lidové noviny

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

nln.cz

www.nln.cz

ga.js

style_vendor.css

api.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

nln.cz

www.nln.cz

ga.js

style_vendor.css

api.js

style.css

all.js

app.js

__utm.gif

recaptcha__en.js

all.js

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