Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

classic.nullschool.net

earth :: a global map of wind, weather, and ocean conditions

Page Load Speed

478 ms in total

First Response

50 ms

Resources Loaded

283 ms

Page Rendered

145 ms

classic.nullschool.net screenshot

About Website

Visit classic.nullschool.net now to see the best up-to-date Classic Nullschool content for China and also check out these interesting facts you probably never knew about classic.nullschool.net

See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Updated every three hours.

Visit classic.nullschool.net

Key Findings

We analyzed Classic.nullschool.net page load time and found that the first response time was 50 ms and then it took 428 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

classic.nullschool.net performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

classic.nullschool.net

50 ms

analytics.js

109 ms

js

109 ms

bundle.min.js

35 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 50% of them (2 requests) were addressed to the original Classic.nullschool.net, 25% (1 request) were made to Google-analytics.com and 25% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (109 ms) relates to the external source Google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.6 kB (55%)

Content Size

65.1 kB

After Optimization

29.4 kB

In fact, the total size of Classic.nullschool.net main page is 65.1 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. HTML takes 44.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 35.6 kB

  • Original 44.1 kB
  • After minification 35.0 kB
  • After compression 8.5 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 9.1 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 35.6 kB or 81% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Classic Nullschool. According to our analytics all requests are already optimized.

Accessibility Review

classic.nullschool.net accessibility score

100

Accessibility Issues

Best Practices

classic.nullschool.net 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

High

Page has valid source maps

SEO Factors

classic.nullschool.net SEO score

92

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 doesn't use legible font sizes

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 Classic.nullschool.net 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 Classic.nullschool.net 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 Classic Nullschool. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: