Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

albrechtovastredni.cz

Albrechtova střední - Škola, na kterou budeš vzpomínat s láskou

Page Load Speed

5.2 sec in total

First Response

743 ms

Resources Loaded

4 sec

Page Rendered

500 ms

albrechtovastredni.cz screenshot

About Website

Visit albrechtovastredni.cz now to see the best up-to-date Albrechtova Stredni content for Czech Republic and also check out these interesting facts you probably never knew about albrechtovastredni.cz

Kvalitní placená praxe přímo ve firmách, jistota dobrého uplatnění, nebo třeba vlastní kavárna. Albrechtova střední je škola, která tě nenechá ve štychu.

Visit albrechtovastredni.cz

Key Findings

We analyzed Albrechtovastredni.cz page load time and found that the first response time was 743 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

albrechtovastredni.cz performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.albrechtovastredni.cz

743 ms

1699381701-css83833bffed300fc7d5cbe3e4244b534cdffac0b31bcecf020e151bb44998b.css

213 ms

1699381701-cssca4a8274d9febc964baff34ed7f4b31956b213bcc95db83cd678182a07ee3.css

300 ms

1699381701-css535dddb1db027a1ef2e80a605d7757f87762badebd69ca6ee8527eb53991a.css

300 ms

1699381701-cssce9f6c9d3e8c226882ab4b09c3129d40f9487842984dc2824b7a48dfa0e4e.css

304 ms

Our browser made a total of 127 requests to load all elements on the main page. We found that 88% of them (112 requests) were addressed to the original Albrechtovastredni.cz, 12% (15 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (934 ms) belongs to the original domain Albrechtovastredni.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 273.4 kB (13%)

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Albrechtovastredni.cz main page is 2.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 247.3 kB

  • Original 285.3 kB
  • After minification 285.1 kB
  • After compression 37.9 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 247.3 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 20.9 kB

  • Original 1.3 MB
  • After minification 1.3 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. Albrechtova Stredni images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 865 B

  • Original 258.9 kB
  • After minification 258.9 kB
  • After compression 258.0 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

-2%

Potential reduce by 4.4 kB

  • Original 252.2 kB
  • After minification 251.5 kB
  • After compression 247.8 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. Albrechtovastredni.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 63 (60%)

Requests Now

105

After Optimization

42

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Albrechtova Stredni. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 42 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

albrechtovastredni.cz accessibility score

88

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

albrechtovastredni.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

albrechtovastredni.cz SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

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 Albrechtovastredni.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 Albrechtovastredni.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

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