Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

aquanauts-divecenter.com

自動車買取相場~おすすめ車買取店比較~ esbooks.co.jp

Page Load Speed

1.7 sec in total

First Response

298 ms

Resources Loaded

1.2 sec

Page Rendered

200 ms

aquanauts-divecenter.com screenshot

About Website

Visit aquanauts-divecenter.com now to see the best up-to-date Aquanauts Divecenter content and also check out these interesting facts you probably never knew about aquanauts-divecenter.com

自動車買取相場~おすすめ車買取店比較~ esbooks.co.jp【本日限定】お得な最新情報が手に入ります!是非、ブックマーク(お気に入り)に入れておいてください。

Visit aquanauts-divecenter.com

Key Findings

We analyzed Aquanauts-divecenter.com page load time and found that the first response time was 298 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

aquanauts-divecenter.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

aquanauts-divecenter.com

298 ms

UntitledFrame-1.htm

108 ms

index3.html

209 ms

a_ey12.gif

200 ms

a_ey22.gif

213 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Aquanauts-divecenter.com and no external sources were called. The less responsive or slowest element that took the longest time to load (672 ms) belongs to the original domain Aquanauts-divecenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.1 kB (46%)

Content Size

24.3 kB

After Optimization

13.1 kB

In fact, the total size of Aquanauts-divecenter.com main page is 24.3 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 5% of websites need less resources to load. Images take 22.1 kB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 1.1 kB

  • Original 2.1 kB
  • After minification 2.1 kB
  • After compression 1.0 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 1.1 kB or 52% of the original size.

Image Optimization

-45%

Potential reduce by 10.0 kB

  • Original 22.1 kB
  • After minification 12.1 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. Obviously, Aquanauts Divecenter needs image optimization as it can save up to 10.0 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aquanauts Divecenter. According to our analytics all requests are already optimized.

Accessibility Review

aquanauts-divecenter.com accessibility score

76

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.

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

Best Practices

aquanauts-divecenter.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

SEO Factors

aquanauts-divecenter.com SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aquanauts-divecenter.com 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 Aquanauts-divecenter.com main page’s claimed encoding is . 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 Aquanauts Divecenter. 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: