Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

sealite.com

Marine Aids to Navigation | Lighting | Lanterns | Buoy Manufacturer

Page Load Speed

4.2 sec in total

First Response

920 ms

Resources Loaded

3 sec

Page Rendered

280 ms

sealite.com screenshot

About Website

Welcome to sealite.com homepage info - get ready to check Sealite best content for Mexico right away, or after learning these important things about sealite.com

Sealite is a global leader in the manufacturer of marine aids to navigation products including solar LED marine lanterns, polyethylene buoys, lighthouse equipment, port entry solutions and monitoring ...

Visit sealite.com

Key Findings

We analyzed Sealite.com page load time and found that the first response time was 920 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sealite.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

sealite.com

920 ms

style.css

1611 ms

custom.css

452 ms

slider-zoom.css

453 ms

colorbox.css

453 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 72% of them (13 requests) were addressed to the original Sealite.com, 17% (3 requests) were made to Fonts.googleapis.com and 6% (1 request) were made to Assets.sealite.com.au. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sealite.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.4 kB (19%)

Content Size

613.3 kB

After Optimization

498.9 kB

In fact, the total size of Sealite.com main page is 613.3 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. Only 10% of websites need less resources to load. Images take 490.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 3.7 kB

  • Original 4.7 kB
  • After minification 3.3 kB
  • After compression 961 B

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. This page needs HTML code to be minified as it can gain 1.4 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.7 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 6.5 kB

  • Original 490.2 kB
  • After minification 483.7 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. Sealite images are well optimized though.

CSS Optimization

-88%

Potential reduce by 104.1 kB

  • Original 118.4 kB
  • After minification 61.5 kB
  • After compression 14.3 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. Sealite.com needs all CSS files to be minified and compressed as it can save up to 104.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (50%)

Requests Now

16

After Optimization

8

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sealite. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sealite.com accessibility score

97

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.

Best Practices

sealite.com best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sealite.com SEO score

88

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sealite.com 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 Sealite.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 description is not detected on the main page of Sealite. 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: