Access blog.delphinusworld.com. Swim with dolphins in Mexico

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value33.9 s

0/100

10%

www.delphinusworld.com

541 ms

jquery-1.11.2.js

43 ms

LanguageSwitcher.css

61 ms

module_144190431301_booking-global-nov-2023.min.css

62 ms

module_42845658744_Delphinus_-_Hero_-_Slider.min.css

61 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blog.delphinusworld.com, 5% (7 requests) were made to Cdnjs.cloudflare.com and 5% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Delphinusworld.com.

Content Size

7.2 MB

After Optimization

6.8 MB

In fact, the total size of Blog.delphinusworld.com main page is 7.2 MB. 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 a small number of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 156.3 kB

Original 176.1 kB
After minification 139.1 kB
After compression 19.8 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. This page needs HTML code to be minified as it can gain 37.0 kB, which is 21% 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 156.3 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 46.0 kB

Original 6.4 MB
After minification 6.3 MB

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. Blog Delphinus World images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 227.9 kB

Original 576.3 kB
After minification 576.3 kB
After compression 348.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 227.9 kB or 40% of the original size.

CSS Optimization

-8%

Potential reduce by 7.7 kB

Original 97.1 kB
After minification 97.0 kB
After compression 89.4 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. Blog.delphinusworld.com has all CSS files already compressed.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Delphinus World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

button, link, and menuitem elements do not have accessible names.

High

ARIA IDs are not unique

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.delphinusworld.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Blog.delphinusworld.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

blog.delphinusworld.com

Open Graph data is detected on the main page of Blog Delphinus World. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Swim with dolphins in Mexico | Delphinus

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.delphinusworld.com

jquery-1.11.2.js

LanguageSwitcher.css

module_144190431301_booking-global-nov-2023.min.css

module_42845658744_Delphinus_-_Hero_-_Slider.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.delphinusworld.com

jquery-1.11.2.js

LanguageSwitcher.css

module_144190431301_booking-global-nov-2023.min.css

module_42845658744_Delphinus_-_Hero_-_Slider.min.css

module_41936324361_Delphinus_-_Experiencias_Slider_-_DB.min.css

module_33309315119_Delphinus_-_Habitats.min.css

rss_post_listing.css

slick.min-3.css

module_33135368704_Delphinus_-_Logo_carousel.min.css

module_139379503723_CM_-_WhatsApp_Widget_No_Form.min.css

js

bda8e8edd59b44f59f03109e1e7ece76.js.ubembed.com

layout.min.css

Vast-style.min.css

delphinus.min.css

new-menu.min.css

css

css

jquery.fancybox.min.css

jquery.min.js

fotorama.css

fotorama.js

v2.js

embed.js

functions.min.js

project.js

project.js

rss_listing_asset.js

1709370.js

index.js

everflow.js

sharethis.js

jquery.fancybox.min.js

hotjar-2197413.js

css

css

bundle.js

fbevents.js

fotorama.png

sep-b.svg

BSf_9pPReNA

icon_whatsApp-1.png