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pytroll.org screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

pytroll.org

Pytroll | Pytroll is an easy to use, modular, free and open source Python framework for the processing of Earth Observation (EO) satellite data. The p...

Page Load Speed

792 ms in total

First Response

39 ms

Resources Loaded

540 ms

Page Rendered

213 ms

pytroll.org screenshot

About Website

Click here to check amazing Pytroll content. Otherwise, check out these important facts you probably never knew about pytroll.org

Pytroll is an easy to use, modular, free and open source Python framework for the processing of Earth Observation (EO) satellite data. The provided Python packages are designed to be used both in R&D ...

Visit pytroll.org

Key Findings

We analyzed Pytroll.org page load time and found that the first response time was 39 ms and then it took 753 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

pytroll.org performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.328

35/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

pytroll.github.io

39 ms

style.css

31 ms

pytroll_dark_small.png

45 ms

widgets.js

19 ms

anchor.min.js

15 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Pytroll.org, 22% (2 requests) were made to Platform.twitter.com and 11% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (46 ms) relates to the external source Pytroll.github.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 239.8 kB (15%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images

In fact, the total size of Pytroll.org 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. 65% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 7.3 kB

  • Original 11.2 kB
  • After minification 10.7 kB
  • After compression 3.9 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 7.3 kB or 65% of the original size.

Image Optimization

-15%

Potential reduce by 232.5 kB

  • Original 1.6 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. Obviously, Pytroll needs image optimization as it can save up to 232.5 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pytroll. According to our analytics all requests are already optimized.

Network Requests Diagram

pytroll.github.io

pytroll.github.io

39 ms

style.css

style.css

31 ms

pytroll_dark_small.png

pytroll_dark_small.png

45 ms

widgets.js

widgets.js

19 ms

anchor.min.js

anchor.min.js

15 ms

satpy_ahi_true_color_PR1674.png

satpy_ahi_true_color_PR1674.png

46 ms

IMG_5639_cropped_thumb.JPG

IMG_5639_cropped_thumb.JPG

45 ms

minima-social-icons.svg

minima-social-icons.svg

43 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

19 ms

Accessibility Review

pytroll.org accessibility score

100

Accessibility Issues

Best Practices

pytroll.org best practices score

83

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

Serves images with low resolution

SEO Factors

pytroll.org SEO score

90

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

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

High

Tap targets are not sized appropriately

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 Pytroll.org 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 Pytroll.org 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

pytroll.org

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