Tools & Wizards About Us

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

destroyerhistory.org

Destroyer History home page

Page Load Speed

2.2 sec in total

First Response

784 ms

Resources Loaded

1.2 sec

Page Rendered

133 ms

About Website

Welcome to destroyerhistory.org homepage info - get ready to check Destroyer History best content for United States right away, or after learning these important things about destroyerhistory.org

More than a century of US Navy destroyer history in historical research, photos and first person accounts.

Visit destroyerhistory.org

Key Findings

We analyzed Destroyerhistory.org page load time and found that the first response time was 784 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

destroyerhistory.org performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.792

5/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

destroyerhistory.org

784 ms

responsive.css

284 ms

mnav.css

94 ms

jquery.min.js

29 ms

jquery.cycle.all.latest.js

306 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 97% of them (30 requests) were addressed to the original Destroyerhistory.org, 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (784 ms) belongs to the original domain Destroyerhistory.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 275.9 kB (49%)

Content Size

558.9 kB

After Optimization

283.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Destroyerhistory.org main page is 558.9 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. 25% of websites need less resources to load. Images take 249.0 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 168.1 kB

  • Original 182.9 kB
  • After minification 181.6 kB
  • After compression 14.7 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 168.1 kB or 92% of the original size.

Image Optimization

-2%

Potential reduce by 5.3 kB

  • Original 249.0 kB
  • After minification 243.8 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. Destroyer History images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 62.4 kB

  • Original 82.0 kB
  • After minification 65.7 kB
  • After compression 19.6 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 62.4 kB or 76% of the original size.

CSS Optimization

-89%

Potential reduce by 40.1 kB

  • Original 45.0 kB
  • After minification 35.8 kB
  • After compression 4.9 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. Destroyerhistory.org needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

30

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Destroyer History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

destroyerhistory.org accessibility score

72

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

Best Practices

destroyerhistory.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

destroyerhistory.org SEO score

91

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

Image elements do not have [alt] attributes

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

    N/A

  • 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 Destroyerhistory.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Destroyerhistory.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 Destroyer History. 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: