Tools & Wizards About Us
sterta.pl screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sterta.pl

Agencja Interaktywna Olsztyn | Sterta.pl

Page Load Speed

3.1 sec in total

First Response

270 ms

Resources Loaded

2.1 sec

Page Rendered

725 ms

sterta.pl screenshot

About Website

Welcome to sterta.pl homepage info - get ready to check Sterta best content for Poland right away, or after learning these important things about sterta.pl

Sterta.pl – Agencja Interaktywna Olsztyn. W ofercie: pozycjonowanie stron, optymalizacje serwisów, tworzenie stron www, reklama, promocja w social media. Zapraszamy.

Visit sterta.pl

Key Findings

We analyzed Sterta.pl page load time and found that the first response time was 270 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sterta.pl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

sterta.pl

270 ms

sterta.pl

368 ms

main.css

84 ms

jquery-1.11.3.min.js

251 ms

modernizr-2.6.2.min.js

241 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 88% of them (58 requests) were addressed to the original Sterta.pl, 5% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (877 ms) belongs to the original domain Sterta.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.0 kB (2%)

Content Size

1.6 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sterta.pl main page is 1.6 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 23.2 kB

  • Original 30.2 kB
  • After minification 23.7 kB
  • After compression 7.0 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. This page needs HTML code to be minified as it can gain 6.5 kB, which is 21% 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 23.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 187 B

  • 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. Sterta images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 9.3 kB

  • Original 288.5 kB
  • After minification 288.5 kB
  • After compression 279.2 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

-47%

Potential reduce by 5.3 kB

  • Original 11.3 kB
  • After minification 11.3 kB
  • After compression 6.0 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. Sterta.pl needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (41%)

Requests Now

56

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sterta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sterta.pl

sterta.pl

270 ms

sterta.pl

sterta.pl

368 ms

main.css

main.css

84 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

251 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

241 ms

owl.carousel.min.js

owl.carousel.min.js

248 ms

owl.carousel.css

owl.carousel.css

251 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

251 ms

app.js

app.js

252 ms

api.js

api.js

40 ms

css

css

23 ms

MyFontsWebfontsKit.css

MyFontsWebfontsKit.css

237 ms

logo.png

logo.png

86 ms

csg-5555b132a0ca2.png

csg-5555b132a0ca2.png

515 ms

bg_top.jpg

bg_top.jpg

867 ms

bg01.png

bg01.png

112 ms

title.png

title.png

83 ms

www.png

www.png

109 ms

social.png

social.png

197 ms

adverising.png

adverising.png

195 ms

seo.png

seo.png

196 ms

bg04.png

bg04.png

195 ms

img2.png

img2.png

392 ms

olsztyn.png

olsztyn.png

310 ms

biuro.png

biuro.png

444 ms

interpres.png

interpres.png

390 ms

soltare.png

soltare.png

454 ms

kontra.png

kontra.png

540 ms

hydrospec.png

hydrospec.png

540 ms

lapuerta.png

lapuerta.png

523 ms

bg_klient.jpg

bg_klient.jpg

627 ms

bg03.png

bg03.png

604 ms

teatr_logo.png

teatr_logo.png

604 ms

pino_logo.png

pino_logo.png

614 ms

oiom_logo.png

oiom_logo.png

615 ms

slcomputer_logo.png

slcomputer_logo.png

670 ms

ander_logo.png

ander_logo.png

686 ms

nowozency_logo.png

nowozency_logo.png

695 ms

kilandesign.png

kilandesign.png

698 ms

szkrab.png

szkrab.png

699 ms

eurowent.png

eurowent.png

758 ms

abn.png

abn.png

759 ms

am.png

am.png

769 ms

artmax.png

artmax.png

778 ms

temp.png

temp.png

783 ms

2E160A_5_0.woff

2E160A_5_0.woff

862 ms

2E160A_1_0.woff

2E160A_1_0.woff

861 ms

2E160A_4_0.woff

2E160A_4_0.woff

877 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

38 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

41 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

42 ms

2E160A_2_0.woff

2E160A_2_0.woff

867 ms

2E160A_0_0.woff

2E160A_0_0.woff

771 ms

sterta.png

sterta.png

840 ms

jarek.jpg

jarek.jpg

854 ms

recaptcha__en.js

recaptcha__en.js

65 ms

stopa.jpg

stopa.jpg

807 ms

sova.jpg

sova.jpg

815 ms

ania.jpg

ania.jpg

827 ms

phone.png

phone.png

832 ms

ga.js

ga.js

103 ms

email.png

email.png

721 ms

__utm.gif

__utm.gif

38 ms

bg_bottom.png

bg_bottom.png

653 ms

up.png

up.png

688 ms

up_bg.png

up_bg.png

640 ms

Accessibility Review

sterta.pl accessibility score

94

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

sterta.pl best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sterta.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

    PL

  • Encoding

    UTF-8

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

sterta.pl

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