Access sepa.cz.

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

sepa.cz

375 ms

www.sepa.cz

2858 ms

style.css

125 ms

js

78 ms

wp-smooth-scroll.css

204 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 86% of them (60 requests) were addressed to the original Sepa.cz, 4% (3 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Sepa.cz.

Content Size

618.1 kB

After Optimization

437.2 kB

In fact, the total size of Sepa.cz main page is 618.1 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. 40% of websites need less resources to load. Images take 338.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 104.7 kB

Original 128.3 kB
After minification 122.2 kB
After compression 23.5 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. 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 104.7 kB or 82% of the original size.

Image Optimization

-19%

Potential reduce by 65.5 kB

Original 338.8 kB
After minification 273.3 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. Obviously, Sepa needs image optimization as it can save up to 65.5 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 5.7 kB

Original 111.9 kB
After minification 111.8 kB
After compression 106.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 5.1 kB

Original 39.2 kB
After minification 38.8 kB
After compression 34.1 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. Sepa.cz needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 13% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sepa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 17 to 1 for CSS 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Document doesn't have a <title> element

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

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

CS
Encoding

UTF-8

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

sepa.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

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

sepa.cz

www.sepa.cz

style.css

js

wp-smooth-scroll.css

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

sepa.cz

www.sepa.cz

style.css

js

wp-smooth-scroll.css

validationEngine.jquery.css

wp-recentcomments.css

style.min.css

Cookies_Pro.css

email-subscription.css

style.css

colorbox.css

vgis.css

frontend.css

sharify-style.php

sharify.css

css

cff-style.min.css

font-awesome.min.css

stb-core.css

jquery.min.js

jquery-migrate.min.js

wp-smooth-scroll.js

modernizr-2.0.6.js

hoverIntent.js

superfish.js

frontend-gtag.min.js

jquery.cookie.js

Cookies_Pro.js

ga.js

external-tracking.min.js

humansnotbots.js

wp-recentcomments.js

email-subscription.js

jquery.colorbox.js

vgis.js

sharifycounts.js

cff-scripts.min.js

client.js

ga.js

dc.js

default-bg.png

woven-header.png

social-sprite.png