Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

elasmodiver.com

The Shark and Ray Field Guide: shark pictures and information about sharks and rays

Page Load Speed

453 ms in total

First Response

180 ms

Resources Loaded

183 ms

Page Rendered

90 ms

elasmodiver.com screenshot

About Website

Visit elasmodiver.com now to see the best up-to-date Elasmodiver content for United States and also check out these interesting facts you probably never knew about elasmodiver.com

sharks and rays, shark pictures and information about shark species. Elasmodiver contains a field guide to help divers to identify hundreds of sharks, rays, skates and chimaeras.

Visit elasmodiver.com

Key Findings

We analyzed Elasmodiver.com page load time and found that the first response time was 180 ms and then it took 273 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

elasmodiver.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

elasmodiver.com

180 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Elasmodiver.com and no external sources were called. The less responsive or slowest element that took the longest time to load (180 ms) belongs to the original domain Elasmodiver.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14 B (10%)

Content Size

135 B

After Optimization

121 B

In fact, the total size of Elasmodiver.com main page is 135 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 135 B which makes up the majority of the site volume.

HTML Optimization

-10%

Potential reduce by 14 B

  • Original 135 B
  • After minification 134 B
  • After compression 121 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. HTML code on this page is well minified. This web page is already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

elasmodiver.com accessibility score

66

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

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

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

elasmodiver.com best practices score

69

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

SEO Factors

elasmodiver.com SEO score

69

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

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 Elasmodiver.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 Elasmodiver.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 Elasmodiver. 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: