Tools & Wizards About Us
stoff.pl screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

stoff.pl

Satellite Tracking System: Orbitron by Sebastian Stoff / Satellite tracking easiest ever!

Page Load Speed

2.2 sec in total

First Response

355 ms

Resources Loaded

1.7 sec

Page Rendered

140 ms

stoff.pl screenshot

About Website

Welcome to stoff.pl homepage info - get ready to check Stoff best content for Russia right away, or after learning these important things about stoff.pl

Orbitron - Satellite Tracking System written by Sebastian Stoff. Orbitron is FREE application related to satellite tracking, ISS, Iridium flares, HAM radio...

Visit stoff.pl

Key Findings

We analyzed Stoff.pl page load time and found that the first response time was 355 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

stoff.pl performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

stoff.pl

355 ms

www.stoff.pl

354 ms

style.css

117 ms

scripts.js

232 ms

urchin.js

17 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 89% of them (31 requests) were addressed to the original Stoff.pl, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (710 ms) belongs to the original domain Stoff.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.7 kB (14%)

Content Size

145.6 kB

After Optimization

125.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stoff.pl main page is 145.6 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. 15% of websites need less resources to load. Javascripts take 87.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.7 kB

  • Original 21.9 kB
  • After minification 21.4 kB
  • After compression 6.2 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 15.7 kB or 72% of the original size.

Image Optimization

-8%

Potential reduce by 2.7 kB

  • Original 35.4 kB
  • After minification 32.7 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. Stoff images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.1 kB

  • Original 87.5 kB
  • After minification 87.5 kB
  • After compression 86.4 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

-25%

Potential reduce by 177 B

  • Original 708 B
  • After minification 708 B
  • After compression 531 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. Stoff.pl needs all CSS files to be minified and compressed as it can save up to 177 B or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (55%)

Requests Now

33

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stoff. 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

stoff.pl

stoff.pl

355 ms

www.stoff.pl

www.stoff.pl

354 ms

style.css

style.css

117 ms

scripts.js

scripts.js

232 ms

urchin.js

urchin.js

17 ms

show_ads.js

show_ads.js

88 ms

__utm.gif

__utm.gif

44 ms

adsbygoogle.js

adsbygoogle.js

91 ms

donate1.png

donate1.png

147 ms

header.gif

header.gif

145 ms

orbitron.gif

orbitron.gif

234 ms

eng.gif

eng.gif

242 ms

null.gif

null.gif

245 ms

plk.gif

plk.gif

245 ms

deu.gif

deu.gif

244 ms

fra.gif

fra.gif

244 ms

rus.gif

rus.gif

365 ms

ita.gif

ita.gif

367 ms

esp.gif

esp.gif

366 ms

nld.gif

nld.gif

369 ms

csy.gif

csy.gif

369 ms

slv.gif

slv.gif

367 ms

ptg.gif

ptg.gif

481 ms

ptb.gif

ptb.gif

482 ms

cht.gif

cht.gif

485 ms

chs.gif

chs.gif

486 ms

ara.gif

ara.gif

489 ms

jpn.gif

jpn.gif

490 ms

rss.gif

rss.gif

596 ms

softpedia_clean_award_f.gif

softpedia_clean_award_f.gif

620 ms

scr1.jpg

scr1.jpg

606 ms

scr2.jpg

scr2.jpg

606 ms

scr3.jpg

scr3.jpg

609 ms

banner1.jpg

banner1.jpg

625 ms

valid-xhtml10.png

valid-xhtml10.png

710 ms

Accessibility Review

stoff.pl accessibility score

95

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

stoff.pl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

stoff.pl SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stoff.pl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Stoff.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

stoff.pl

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