Tools & Wizards About Us

Report Summary

  • 73

    Performance

    Renders faster than
    82% 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

  • 90

    SEO

    Google-friendlier than
    68% of websites

oceanpython.org

Ocean Python | Python tools for oceanography and marine sciences

Page Load Speed

967 ms in total

First Response

39 ms

Resources Loaded

793 ms

Page Rendered

135 ms

About Website

Visit oceanpython.org now to see the best up-to-date Ocean Python content and also check out these interesting facts you probably never knew about oceanpython.org

OceanPython.org is a website to learn Python Programming Language for ocean- and marine-science applications and to share Python code. OceanPython.org is kindly supported by MEOPAR.ca iPython-Notebook...

Visit oceanpython.org

Key Findings

We analyzed Oceanpython.org page load time and found that the first response time was 39 ms and then it took 928 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

oceanpython.org performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value3.5 s

89/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

oceanpython.org

39 ms

oceanpython.org

22 ms

style.css

86 ms

89 ms

97 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 42% of them (22 requests) were addressed to the original Oceanpython.org, 13% (7 requests) were made to S2.wp.com and 13% (7 requests) were made to S1.wp.com. The less responsive or slowest element that took the longest time to load (580 ms) belongs to the original domain Oceanpython.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.3 kB (20%)

Content Size

546.9 kB

After Optimization

436.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oceanpython.org main page is 546.9 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. 35% of websites need less resources to load. Images take 227.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 98.3 kB

  • Original 127.5 kB
  • After minification 123.9 kB
  • After compression 29.1 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 98.3 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 10.8 kB

  • Original 227.1 kB
  • After minification 216.4 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. Ocean Python images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 799 B

  • Original 146.5 kB
  • After minification 146.5 kB
  • After compression 145.7 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

-1%

Potential reduce by 335 B

  • Original 45.8 kB
  • After minification 45.8 kB
  • After compression 45.5 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. Oceanpython.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (50%)

Requests Now

50

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ocean Python. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

oceanpython.org 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

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

oceanpython.org 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

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

oceanpython.org SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Oceanpython.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 Oceanpython.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

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