Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

lo2.opole.pl

II Liceum Ogólnokształcące w Opolu

Page Load Speed

3 sec in total

First Response

769 ms

Resources Loaded

1.5 sec

Page Rendered

744 ms

lo2.opole.pl screenshot

About Website

Click here to check amazing Lo 2 Opole content for Poland. Otherwise, check out these important facts you probably never knew about lo2.opole.pl

Szkoła jest dla mnie czymś znacznie więcej niż tylko miejscem zdobywania wiedzy – jest centrum rozwoju społecznego, kulturalnego, artystycznego, psychologicznego, filozoficznego, politycznego…

Visit lo2.opole.pl

Key Findings

We analyzed Lo2.opole.pl page load time and found that the first response time was 769 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

lo2.opole.pl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.426

22/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

lo2.opole.pl

769 ms

arkusz.css

378 ms

liceum_zloto_2016.jpg

352 ms

logosos.png

469 ms

tn_wagary2016.jpg

479 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Lo2.opole.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (824 ms) belongs to the original domain Lo2.opole.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.9 kB (20%)

Content Size

405.1 kB

After Optimization

322.3 kB

In fact, the total size of Lo2.opole.pl main page is 405.1 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. 20% of websites need less resources to load. Images take 320.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 64.3 kB

  • Original 78.3 kB
  • After minification 76.1 kB
  • After compression 14.0 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 64.3 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 13.5 kB

  • Original 320.7 kB
  • After minification 307.1 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. Lo 2 Opole images are well optimized though.

CSS Optimization

-82%

Potential reduce by 5.0 kB

  • Original 6.1 kB
  • After minification 4.8 kB
  • After compression 1.1 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. Lo2.opole.pl needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lo 2 Opole. According to our analytics all requests are already optimized.

Accessibility Review

lo2.opole.pl accessibility score

67

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

lo2.opole.pl 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

High

Page has valid source maps

SEO Factors

lo2.opole.pl SEO score

100

Search Engine Optimization Advices

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

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lo2.opole.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Lo2.opole.pl 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 description is not detected on the main page of Lo 2 Opole. 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: