Tools & Wizards About Us
ladiver.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

ladiver.com

LAdiver.com: Los Angeles County Scuba Diving Resources

Page Load Speed

1.8 sec in total

First Response

334 ms

Resources Loaded

766 ms

Page Rendered

684 ms

ladiver.com screenshot

About Website

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

An index to current WWW scuba diving resources for Los Angeles county and Southern California. There are additional pages covering Northern, Central and Baja California.

Visit ladiver.com

Key Findings

We analyzed Ladiver.com page load time and found that the first response time was 334 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ladiver.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

ladiver.com

334 ms

temple.jpg

128 ms

laco_xxs.gif

128 ms

flag_inz.gif

129 ms

60x30.gif

129 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Ladiver.com, 4% (1 request) were made to Cdip.ucsd.edu and 4% (1 request) were made to Counter.digits.com. The less responsive or slowest element that took the longest time to load (516 ms) relates to the external source Cdip.ucsd.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.8 kB (41%)

Content Size

179.3 kB

After Optimization

106.5 kB

  • HTML
  • Images

In fact, the total size of Ladiver.com main page is 179.3 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 128.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 39.1 kB

  • Original 50.8 kB
  • After minification 49.3 kB
  • After compression 11.7 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 39.1 kB or 77% of the original size.

Image Optimization

-26%

Potential reduce by 33.7 kB

  • Original 128.5 kB
  • After minification 94.8 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, LAdiver needs image optimization as it can save up to 33.7 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 7 (29%)

Requests Now

24

After Optimization

17

  • Images

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LAdiver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

ladiver.com

ladiver.com

334 ms

temple.jpg

temple.jpg

128 ms

laco_xxs.gif

laco_xxs.gif

128 ms

flag_inz.gif

flag_inz.gif

129 ms

60x30.gif

60x30.gif

129 ms

gball.gif

gball.gif

132 ms

casino.gif

casino.gif

259 ms

thngreen.gif

thngreen.gif

192 ms

flag_uz.gif

flag_uz.gif

193 ms

ge_banner2.gif

ge_banner2.gif

193 ms

orcas_xs.gif

orcas_xs.gif

195 ms

LACSDR_banner-003_340x68.gif

LACSDR_banner-003_340x68.gif

217 ms

diveball.gif

diveball.gif

257 ms

cons_xs.gif

cons_xs.gif

189 ms

socal_now.png

socal_now.png

516 ms

HH65_xs.gif

HH65_xs.gif

188 ms

dan_xs.gif

dan_xs.gif

191 ms

15x15.gif

15x15.gif

221 ms

nwslogo.gif

nwslogo.gif

248 ms

cal_dive.gif

cal_dive.gif

248 ms

garibal2.gif

garibal2.gif

247 ms

typist.gif

typist.gif

247 ms

shell.gif

shell.gif

254 ms

1956.gif

1956.gif

223 ms

ladive_1

ladive_1

85 ms

wc.gif

wc.gif

229 ms

Accessibility Review

ladiver.com accessibility score

42

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

ladiver.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

ladiver.com SEO score

54

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ladiver.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 Ladiver.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

ladiver.com

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