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bluefinrobotics.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

bluefinrobotics.com

Bluefin Robotics Unmanned Underwater Vehicles - General Dynamics Mission Systems

Page Load Speed

1.4 sec in total

First Response

45 ms

Resources Loaded

885 ms

Page Rendered

426 ms

bluefinrobotics.com screenshot

About Website

Welcome to bluefinrobotics.com homepage info - get ready to check Bluefin Robotics best content for United States right away, or after learning these important things about bluefinrobotics.com

We develop, build and operate Autonomous Underwater Vehicles (AUVs) and related technologies for defense (defence), commercial and academic customers worldwide.

Visit bluefinrobotics.com

Key Findings

We analyzed Bluefinrobotics.com page load time and found that the first response time was 45 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

bluefinrobotics.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

bluefinrobotics.com

45 ms

bluefin-robotics

182 ms

VisitorIdentification.js

10 ms

gdms.css

96 ms

main-gdms.js

93 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Bluefinrobotics.com, 94% (15 requests) were made to Gdmissionsystems.com. The less responsive or slowest element that took the longest time to load (658 ms) relates to the external source Gdmissionsystems.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.6 kB (3%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluefinrobotics.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.7 kB

  • Original 38.0 kB
  • After minification 35.7 kB
  • After compression 9.3 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 28.7 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.4 MB
  • After minification 1.4 MB

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. Bluefin Robotics images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 218 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 874 B

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 218 B or 20% of the original size.

CSS Optimization

-9%

Potential reduce by 18.7 kB

  • Original 202.5 kB
  • After minification 202.5 kB
  • After compression 183.8 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. Bluefinrobotics.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluefin Robotics. According to our analytics all requests are already optimized.

Network Requests Diagram

bluefinrobotics.com

bluefinrobotics.com

45 ms

bluefin-robotics

bluefin-robotics

182 ms

VisitorIdentification.js

VisitorIdentification.js

10 ms

gdms.css

gdms.css

96 ms

main-gdms.js

main-gdms.js

93 ms

gdms-logo-blue.ashx

gdms-logo-blue.ashx

23 ms

bluefin-25th-anniversary-video.ashx

bluefin-25th-anniversary-video.ashx

126 ms

bluefin-applications-infographic-3.ashx

bluefin-applications-infographic-3.ashx

163 ms

general-dynamics-bluefin-uuv-operator-tool-suite---mission-planner-tool.ashx

general-dynamics-bluefin-uuv-operator-tool-suite---mission-planner-tool.ashx

164 ms

gd-bluefin-9-employee-working-on-payload.ashx

gd-bluefin-9-employee-working-on-payload.ashx

658 ms

icex-2020-bluefin-21-macrura-under-the-ice-full-width.ashx

icex-2020-bluefin-21-macrura-under-the-ice-full-width.ashx

188 ms

bluefin-uuv-program-blue-full-width.ashx

bluefin-uuv-program-blue-full-width.ashx

149 ms

ccd9698a-60c5-48f7-acbe-5352b4aa81d4.woff

ccd9698a-60c5-48f7-acbe-5352b4aa81d4.woff

51 ms

d64e7bbc-e9ea-46ad-982c-6195ae4a3c61.woff

d64e7bbc-e9ea-46ad-982c-6195ae4a3c61.woff

59 ms

7ce02c2c-45d4-4dee-90f2-f8034e29ac24.woff

7ce02c2c-45d4-4dee-90f2-f8034e29ac24.woff

54 ms

05a79c4b-9e9d-46e4-9d4b-610be05371c4.woff

05a79c4b-9e9d-46e4-9d4b-610be05371c4.woff

115 ms

Accessibility Review

bluefinrobotics.com accessibility score

94

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

bluefinrobotics.com 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

Low

Detected JavaScript libraries

SEO Factors

bluefinrobotics.com SEO score

82

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

Links do not have descriptive text

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 Bluefinrobotics.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 Bluefinrobotics.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

bluefinrobotics.com

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