Tools & Wizards About Us
centrumarcheologiczne.pl screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

centrumarcheologiczne.pl

www.centrumarcheologiczne.pl – Jacek Kaczanowski

Page Load Speed

2.6 sec in total

First Response

492 ms

Resources Loaded

2 sec

Page Rendered

97 ms

centrumarcheologiczne.pl screenshot

About Website

Visit centrumarcheologiczne.pl now to see the best up-to-date Centrumarcheologiczne content and also check out these interesting facts you probably never knew about centrumarcheologiczne.pl

Centrum Archeologiczne oferuje usługi archeologiczne: badania wykopaliskowe, nadzory archeologiczne, konsultacje, badania powierzchniowe. Firma działa głównie na terenie Mazowsza. Badania archeologic...

Visit centrumarcheologiczne.pl

Key Findings

We analyzed Centrumarcheologiczne.pl page load time and found that the first response time was 492 ms and then it took 2.1 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

centrumarcheologiczne.pl performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

centrumarcheologiczne.pl

492 ms

kazanecki.css

123 ms

AC_RunActiveContent.js

354 ms

urchin.js

5 ms

logoYellow_pl.gif

332 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 40% of them (4 requests) were addressed to the original Centrumarcheologiczne.pl, 20% (2 requests) were made to Google-analytics.com and 20% (2 requests) were made to S1.hit.stat24.com. The less responsive or slowest element that took the longest time to load (492 ms) belongs to the original domain Centrumarcheologiczne.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.4 kB (21%)

Content Size

91.4 kB

After Optimization

72.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centrumarcheologiczne.pl main page is 91.4 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. Only 10% of websites need less resources to load. Images take 59.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 6.5 kB

  • Original 8.9 kB
  • After minification 8.0 kB
  • After compression 2.5 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 964 B, 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 6.5 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 82 B

  • Original 59.7 kB
  • After minification 59.6 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. Centrumarcheologiczne images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 11.8 kB

  • Original 21.3 kB
  • After minification 17.9 kB
  • After compression 9.5 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 11.8 kB or 55% of the original size.

CSS Optimization

-69%

Potential reduce by 986 B

  • Original 1.4 kB
  • After minification 1.1 kB
  • After compression 451 B

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. Centrumarcheologiczne.pl needs all CSS files to be minified and compressed as it can save up to 986 B or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (33%)

Requests Now

9

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrumarcheologiczne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

centrumarcheologiczne.pl

centrumarcheologiczne.pl

492 ms

kazanecki.css

kazanecki.css

123 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

354 ms

urchin.js

urchin.js

5 ms

logoYellow_pl.gif

logoYellow_pl.gif

332 ms

IMG_3624a.jpg

IMG_3624a.jpg

353 ms

script.js

script.js

451 ms

cachedscriptxy.js

cachedscriptxy.js

238 ms

__utm.gif

__utm.gif

2 ms

rexdot.gif

rexdot.gif

116 ms

Accessibility Review

centrumarcheologiczne.pl 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

Image elements do not have [alt] attributes

Best Practices

centrumarcheologiczne.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

SEO Factors

centrumarcheologiczne.pl SEO score

77

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    PL

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrumarcheologiczne.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Centrumarcheologiczne.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

centrumarcheologiczne.pl

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