Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

marinersschool.com

Mariners Learning System: USCG and FCC Courses and Tests Mariners School

Page Load Speed

779 ms in total

First Response

159 ms

Resources Loaded

438 ms

Page Rendered

182 ms

marinersschool.com screenshot

About Website

Visit marinersschool.com now to see the best up-to-date Mariners School content and also check out these interesting facts you probably never knew about marinersschool.com

Become a Captain with easy and effective online courses powered by the award winning Mariners Learning System. 24/7 support. 98.7% pass rate.

Visit marinersschool.com

Key Findings

We analyzed Marinersschool.com page load time and found that the first response time was 159 ms and then it took 620 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

marinersschool.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

59/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

marinersschool.com

159 ms

marinersschool.com

78 ms

styles-m.css

25 ms

grid.css

39 ms

marginPadding.css

52 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Marinersschool.com and no external sources were called. The less responsive or slowest element that took the longest time to load (159 ms) belongs to the original domain Marinersschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 271.2 kB (53%)

Content Size

511.3 kB

After Optimization

240.2 kB

In fact, the total size of Marinersschool.com main page is 511.3 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. CSS take 288.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.4 kB

  • Original 26.4 kB
  • After minification 23.0 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 3.4 kB, which is 13% 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 19.4 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 2.5 kB

  • Original 196.5 kB
  • After minification 194.0 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. Mariners School images are well optimized though.

CSS Optimization

-86%

Potential reduce by 249.3 kB

  • Original 288.5 kB
  • After minification 230.4 kB
  • After compression 39.2 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. Marinersschool.com needs all CSS files to be minified and compressed as it can save up to 249.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mariners School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

marinersschool.com accessibility score

100

Accessibility Issues

Best Practices

marinersschool.com 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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

marinersschool.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Marinersschool.com 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 Marinersschool.com 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 description is not detected on the main page of Mariners School. 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: