Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

vtexplorer.com

Vessel Tracking, Real Time and Historical AIS data by VT Explorer

Page Load Speed

2.8 sec in total

First Response

332 ms

Resources Loaded

2.2 sec

Page Rendered

236 ms

About Website

Welcome to vtexplorer.com homepage info - get ready to check VT Explorer best content for Bulgaria right away, or after learning these important things about vtexplorer.com

VT Explorer is a real-time AIS vessel tracking service, monitoring the position of over 150,000 ships every day and providing satellite AIS data, vessel particulars, ship photos, port calls, manager a...

Visit vtexplorer.com

Key Findings

We analyzed Vtexplorer.com page load time and found that the first response time was 332 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

vtexplorer.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.143

78/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

vtexplorer.com

332 ms

www.vtexplorer.com

592 ms

font-awesome.min.css

39 ms

db2a073ee274b690d1df9200b746548e.css

297 ms

style_dynamic.css

290 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 61% of them (25 requests) were addressed to the original Vtexplorer.com, 20% (8 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (592 ms) belongs to the original domain Vtexplorer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.2 kB (8%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vtexplorer.com main page is 1.3 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. 50% of websites need less resources to load. Images take 886.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 72.7 kB

  • Original 90.1 kB
  • After minification 88.7 kB
  • After compression 17.4 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 72.7 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 15.8 kB

  • Original 886.9 kB
  • After minification 871.1 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. VT Explorer images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 749 B

  • Original 167.9 kB
  • After minification 167.9 kB
  • After compression 167.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 7.0 kB

  • Original 106.3 kB
  • After minification 106.2 kB
  • After compression 99.4 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. Vtexplorer.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (62%)

Requests Now

29

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VT Explorer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vtexplorer.com accessibility score

75

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vtexplorer.com 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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vtexplorer.com SEO score

95

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

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 Vtexplorer.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 Vtexplorer.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 data is detected on the main page of VT Explorer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: