Access costa-adeje.costasur.com. COSTA ADEJE

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,660 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.375

28/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

costa-adeje.costasur.com

3816 ms

vendors.css

484 ms

mutable.css

290 ms

jquery.js

333 ms

jquery.scrollTo.min.js

117 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 5% of them (6 requests) were addressed to the original Costa-adeje.costasur.com, 31% (36 requests) were made to Static-costasur.com and 12% (14 requests) were made to Images.costasur.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Costa-adeje.costasur.com.

Content Size

3.5 MB

After Optimization

1.3 MB

In fact, the total size of Costa-adeje.costasur.com main page is 3.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 801.5 kB

Original 979.1 kB
After minification 973.9 kB
After compression 177.5 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 801.5 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 12.4 kB

Original 624.7 kB
After minification 612.3 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. COSTA ADEJE Sur images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 800.3 kB

Original 1.2 MB
After minification 1.2 MB
After compression 427.4 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 800.3 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 560.9 kB

Original 654.0 kB
After minification 650.4 kB
After compression 93.1 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. Costa-adeje.costasur.com needs all CSS files to be minified and compressed as it can save up to 560.9 kB or 86% of the original size.

Requests Now

101

After Optimization

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COSTA ADEJE Sur. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ES
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Costa-adeje.costasur.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish 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 Costa-adeje.costasur.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

costa-adeje.costasur.com

Open Graph data is detected on the main page of COSTA ADEJE Sur. 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

COSTA ADEJE | Vacaciones Tenerife

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

costa-adeje.costasur.com

vendors.css

mutable.css

jquery.js

jquery.scrollTo.min.js

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

costa-adeje.costasur.com

vendors.css

mutable.css

jquery.js

jquery.scrollTo.min.js

jsapi

infobox_packed.js

vendors.js

mutable.js

es.js

routing

plusone.js

platform.js

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