Tools & Wizards About Us

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

enertres.com

Empresa de energías renovables: Sistemas e instalaciones - Enertres

Page Load Speed

3.6 sec in total

First Response

303 ms

Resources Loaded

2.2 sec

Page Rendered

1.1 sec

About Website

Welcome to enertres.com homepage info - get ready to check Enertres best content for Spain right away, or after learning these important things about enertres.com

Enertres empresa de energías renovables. Hacemos tu estudio energético gratuito y prestamos servicios a usuarios, instaladores, arquitectos y distribuidores

Visit enertres.com

Key Findings

We analyzed Enertres.com page load time and found that the first response time was 303 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

enertres.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

19/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

enertres.com

303 ms

enertres.com

419 ms

css2

40 ms

o98q.css

93 ms

o98q.css

262 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 71% of them (55 requests) were addressed to the original Enertres.com, 23% (18 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (829 ms) belongs to the original domain Enertres.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.3 kB (34%)

Content Size

438.2 kB

After Optimization

287.9 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Enertres.com main page is 438.2 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. 75% 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. CSS take 198.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 148.8 kB

  • Original 184.8 kB
  • After minification 176.6 kB
  • After compression 36.1 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 148.8 kB or 80% of the original size.

JavaScript Optimization

-0%

Potential reduce by 98 B

  • Original 54.6 kB
  • After minification 54.5 kB
  • After compression 54.5 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

-1%

Potential reduce by 1.5 kB

  • Original 198.8 kB
  • After minification 198.8 kB
  • After compression 197.3 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. Enertres.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (36%)

Requests Now

55

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Enertres. 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 from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

enertres.com accessibility score

74

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-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

enertres.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

enertres.com SEO score

83

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

Links do not have descriptive text

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

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

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