Tools & Wizards About Us
grosstonnage.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

grosstonnage.com

Live AIS Vessel Tracker with Ship and Port Database

Page Load Speed

5.5 sec in total

First Response

325 ms

Resources Loaded

2.9 sec

Page Rendered

2.2 sec

grosstonnage.com screenshot

About Website

Welcome to grosstonnage.com homepage info - get ready to check Grosstonnage best content right away, or after learning these important things about grosstonnage.com

Maritime traffic on a live map. Past, current and future ship positions for almost every vessel in the world. Plus port information and APIs.

Visit grosstonnage.com

Key Findings

We analyzed Grosstonnage.com page load time and found that the first response time was 325 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

grosstonnage.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value19.9 s

0/100

10%

TBT (Total Blocking Time)

Value18,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value33.1 s

0/100

10%

Network Requests Diagram

grosstonnage.com

325 ms

www.fleetmon.com

1161 ms

bootstrap.min.css

49 ms

uikit.min.css

69 ms

fleetmon-core-styles.css

146 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Grosstonnage.com, 70% (43 requests) were made to Static.fleetmon.com and 16% (10 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Fleetmon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.5 kB (13%)

Content Size

884.8 kB

After Optimization

769.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Grosstonnage.com main page is 884.8 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. 65% of websites need less resources to load. Images take 702.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 102.7 kB

  • Original 142.6 kB
  • After minification 142.3 kB
  • After compression 39.9 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 102.7 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 12.7 kB

  • Original 702.3 kB
  • After minification 689.6 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. Grosstonnage images are well optimized though.

CSS Optimization

-0%

Potential reduce by 35 B

  • Original 39.8 kB
  • After minification 39.8 kB
  • After compression 39.8 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. Grosstonnage.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (51%)

Requests Now

55

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grosstonnage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

grosstonnage.com

grosstonnage.com

325 ms

www.fleetmon.com

www.fleetmon.com

1161 ms

bootstrap.min.css

bootstrap.min.css

49 ms

uikit.min.css

uikit.min.css

69 ms

fleetmon-core-styles.css

fleetmon-core-styles.css

146 ms

fleetmon-extend.css

fleetmon-extend.css

158 ms

index.css

index.css

166 ms

359 ms

8c5bd711f0.js

8c5bd711f0.js

95 ms

jquery.min.js

jquery.min.js

91 ms

handlebars.min.js

handlebars.min.js

90 ms

bootstrap.min.js

bootstrap.min.js

95 ms

uikit.min.js

uikit.min.js

94 ms

fleetmon-core-scripts.js

fleetmon-core-scripts.js

184 ms

fleetmon-extend.js

fleetmon-extend.js

184 ms

index.js

index.js

184 ms

outdatedbrowser.min.css

outdatedbrowser.min.css

35 ms

adsbygoogle.js

adsbygoogle.js

107 ms

cookieconsent.min.js

cookieconsent.min.js

41 ms

outdatedbrowser.min.js

outdatedbrowser.min.js

30 ms

cookieconsent.min.css

cookieconsent.min.css

23 ms

fleetmon-logo-slogan-light.svg

fleetmon-logo-slogan-light.svg

377 ms

fleetmon-logo-slogan-light.svg

fleetmon-logo-slogan-light.svg

370 ms

FleetMon-San-Francisco-Satellite_Still-Mobile.jpg

FleetMon-San-Francisco-Satellite_Still-Mobile.jpg

74 ms

Hero-FleetMon-Data-Shop-Background-1920px.jpg

Hero-FleetMon-Data-Shop-Background-1920px.jpg

124 ms

slide-data-shop-tanker-vessel.jpg

slide-data-shop-tanker-vessel.jpg

74 ms

slide-data-shop-container-vessel.jpg

slide-data-shop-container-vessel.jpg

108 ms

slide-data-shop-passenger-vessel.jpg

slide-data-shop-passenger-vessel.jpg

106 ms

news-background.gif

news-background.gif

107 ms

winners-cup-photo-week.svg

winners-cup-photo-week.svg

107 ms

highspeed_vessel_moving.svg

highspeed_vessel_moving.svg

116 ms

tanker_vessel_moving.svg

tanker_vessel_moving.svg

109 ms

yacht_vessel_moving.svg

yacht_vessel_moving.svg

120 ms

cargo_vessel_moving.svg

cargo_vessel_moving.svg

122 ms

made-with-love-in-germany.svg

made-with-love-in-germany.svg

119 ms

ru.svg

ru.svg

125 ms

cargo.svg

cargo.svg

124 ms

pa.svg

pa.svg

126 ms

kr.svg

kr.svg

131 ms

tug.svg

tug.svg

128 ms

mh.svg

mh.svg

129 ms

unknown.svg

unknown.svg

129 ms

it.svg

it.svg

144 ms

passenger.svg

passenger.svg

133 ms

be.svg

be.svg

136 ms

tanker.svg

tanker.svg

135 ms

us.svg

us.svg

131 ms

highspeed.svg

highspeed.svg

136 ms

fleetmon-logo-slogan-dark.svg

fleetmon-logo-slogan-dark.svg

139 ms

fleetmon-logo-signet.svg

fleetmon-logo-signet.svg

138 ms

dax-regular-webfont.woff

dax-regular-webfont.woff

113 ms

dax-medium-webfont.woff

dax-medium-webfont.woff

111 ms

dax-mediumitalic-webfont.woff

dax-mediumitalic-webfont.woff

112 ms

dax-italic-webfont.woff

dax-italic-webfont.woff

112 ms

fleetmon-logo-slogan-light.svg

fleetmon-logo-slogan-light.svg

184 ms

FleetMon-Explorer-Hamburg-Traffic.jpg

FleetMon-Explorer-Hamburg-Traffic.jpg

13 ms

df89233d4db011eb84fb5b60e0eaa779.png

df89233d4db011eb84fb5b60e0eaa779.png

160 ms

Hero-FleetMon-Developer-Tools-Background@2x-201809_02.jpg

Hero-FleetMon-Developer-Tools-Background@2x-201809_02.jpg

14 ms

FleetMon-Developer-Tools-IDE@2x.jpg

FleetMon-Developer-Tools-IDE@2x.jpg

14 ms

e8348d76345d0c9f6c21e1f679f49346.jpg

e8348d76345d0c9f6c21e1f679f49346.jpg

160 ms

analytics.min.js

analytics.min.js

179 ms

Accessibility Review

grosstonnage.com accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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.

Best Practices

grosstonnage.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

grosstonnage.com SEO score

85

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 Grosstonnage.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 Grosstonnage.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

grosstonnage.com

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