Tools & Wizards About Us
scubadiverinfo.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

scubadiverinfo.com

Scuba Diver Info -- all scuba gear explained, daily news, scuba info, scuba reviews, scuba blogs

Page Load Speed

4.8 sec in total

First Response

358 ms

Resources Loaded

2 sec

Page Rendered

2.4 sec

scubadiverinfo.com screenshot

About Website

Click here to check amazing Scuba Diver Info content for United States. Otherwise, check out these important facts you probably never knew about scubadiverinfo.com

ScubaDiverInfo.com is your all-in-one site for scuba diving information and also includes scuba book reviews, underwater camera reviews, extensive scuba blogs, and daily scuba news.

Visit scubadiverinfo.com

Key Findings

We analyzed Scubadiverinfo.com page load time and found that the first response time was 358 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

scubadiverinfo.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.344

32/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

scubadiverinfo.com

358 ms

ddtabmenu.js

127 ms

solidblocksmenu.css

125 ms

adsbygoogle.js

55 ms

news_olympus_2019_03_22.jpg

866 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 74% of them (29 requests) were addressed to the original Scubadiverinfo.com, 18% (7 requests) were made to Ruggedpcreview.com and 5% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (866 ms) relates to the external source Ruggedpcreview.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.6 kB (20%)

Content Size

321.6 kB

After Optimization

258.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scubadiverinfo.com main page is 321.6 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. 40% of websites need less resources to load. Images take 171.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 58.3 kB

  • Original 75.7 kB
  • After minification 74.9 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 58.3 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 44 B

  • Original 171.8 kB
  • After minification 171.7 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. Scuba Diver Info images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 5.1 kB

  • Original 73.6 kB
  • After minification 73.2 kB
  • After compression 68.5 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

-32%

Potential reduce by 155 B

  • Original 482 B
  • After minification 482 B
  • After compression 327 B

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. Scubadiverinfo.com needs all CSS files to be minified and compressed as it can save up to 155 B or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

26

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scuba Diver Info. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

scubadiverinfo.com

scubadiverinfo.com

358 ms

ddtabmenu.js

ddtabmenu.js

127 ms

solidblocksmenu.css

solidblocksmenu.css

125 ms

adsbygoogle.js

adsbygoogle.js

55 ms

news_olympus_2019_03_22.jpg

news_olympus_2019_03_22.jpg

866 ms

news_cocoview_oct_2016_72.jpg

news_cocoview_oct_2016_72.jpg

786 ms

scroller_scubanewstic.html

scroller_scubanewstic.html

652 ms

news_everythingapplepro_2016_09_29.jpg

news_everythingapplepro_2016_09_29.jpg

623 ms

chb_blog.jpg

chb_blog.jpg

623 ms

cw_blog.jpg

cw_blog.jpg

622 ms

joe_roualdes_blog.jpg

joe_roualdes_blog.jpg

622 ms

blockdefault_blue.gif

blockdefault_blue.gif

506 ms

scubadiverinfo_logo_160.jpg

scubadiverinfo_logo_160.jpg

506 ms

book_cover_160.jpg

book_cover_160.jpg

507 ms

side_1_160.jpg

side_1_160.jpg

507 ms

side_2_160.jpg

side_2_160.jpg

622 ms

side_3_160.jpg

side_3_160.jpg

622 ms

side_7_160.jpg

side_7_160.jpg

621 ms

side_5_160.jpg

side_5_160.jpg

621 ms

side_6_160.jpg

side_6_160.jpg

620 ms

side_4_160.jpg

side_4_160.jpg

620 ms

side_160.jpg

side_160.jpg

748 ms

spacer.gif

spacer.gif

694 ms

scuba_banner_main.jpg

scuba_banner_main.jpg

692 ms

bullet_menu.gif

bullet_menu.gif

691 ms

cw_intro.jpg

cw_intro.jpg

692 ms

chb_intro.jpg

chb_intro.jpg

691 ms

naui_logo.gif

naui_logo.gif

771 ms

news_canon_2019_03_20.jpg

news_canon_2019_03_20.jpg

688 ms

news_scuba_2017_11_28.jpg

news_scuba_2017_11_28.jpg

687 ms

news_olympus_2016_08_03.jpg

news_olympus_2016_08_03.jpg

687 ms

news_scubadiverinfo_2016_05_23.jpg

news_scubadiverinfo_2016_05_23.jpg

687 ms

news_scubadiver_mermaid_2016_04_15.jpg

news_scubadiver_mermaid_2016_04_15.jpg

687 ms

news_triton_gills_2016_03_29.jpg

news_triton_gills_2016_03_29.jpg

687 ms

show_ads_impl.js

show_ads_impl.js

466 ms

zrt_lookup.html

zrt_lookup.html

417 ms

scroller_scubanewsticns6.js

scroller_scubanewsticns6.js

298 ms

scroller_bg.jpg

scroller_bg.jpg

296 ms

icon1.gif

icon1.gif

447 ms

Accessibility Review

scubadiverinfo.com accessibility score

59

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

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

scubadiverinfo.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

scubadiverinfo.com SEO score

91

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

Image elements do not have [alt] attributes

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scubadiverinfo.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 Scubadiverinfo.com main page’s claimed encoding is iso-8859-1. 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

scubadiverinfo.com

Open Graph description is not detected on the main page of Scuba Diver Info. 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: