Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

ussnautilus.org

The Submarine Force Museum - USS Nautlius - Museum Near Me, Submarine Museum Near Me in CT, Things To Do Groton CT, Attractions Groton CT, Things To D...

Page Load Speed

1.4 sec in total

First Response

266 ms

Resources Loaded

952 ms

Page Rendered

178 ms

ussnautilus.org screenshot

About Website

Visit ussnautilus.org now to see the best up-to-date USS Nautilus content for United States and also check out these interesting facts you probably never knew about ussnautilus.org

The Submarine Force Museum is home to the Nautilus, the world’s first nuclear powered vessel. Located on the Thames River in Groton, Connecticut. Plan your visit museum near me, things to do groton ct...

Visit ussnautilus.org

Key Findings

We analyzed Ussnautilus.org page load time and found that the first response time was 266 ms and then it took 1.1 sec 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

ussnautilus.org performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

ussnautilus.org

266 ms

homeScreen.css

87 ms

css

26 ms

screen.css

75 ms

main.css

80 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 75% of them (46 requests) were addressed to the original Ussnautilus.org, 3% (2 requests) were made to Assets.pinterest.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (385 ms) belongs to the original domain Ussnautilus.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.3 kB (27%)

Content Size

1.2 MB

After Optimization

896.3 kB

In fact, the total size of Ussnautilus.org main page is 1.2 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. 40% of websites need less resources to load. Images take 812.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 69.7 kB

  • Original 90.6 kB
  • After minification 88.6 kB
  • After compression 20.8 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 69.7 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 33.7 kB

  • Original 812.0 kB
  • After minification 778.4 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. USS Nautilus images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 194.1 kB

  • Original 283.0 kB
  • After minification 272.9 kB
  • After compression 88.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 194.1 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 32.7 kB

  • Original 41.0 kB
  • After minification 33.1 kB
  • After compression 8.2 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. Ussnautilus.org needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (32%)

Requests Now

59

After Optimization

40

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of USS Nautilus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ussnautilus.org accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Best Practices

ussnautilus.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ussnautilus.org SEO score

100

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 uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ussnautilus.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ussnautilus.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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