Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

instalxpert.saunierduval.es

Calderas de gas Saunier Duval | Instal XPERT

Page Load Speed

4 sec in total

First Response

241 ms

Resources Loaded

1.8 sec

Page Rendered

1.9 sec

instalxpert.saunierduval.es screenshot

About Website

Click here to check amazing Instal XPERT Saunier Duval content for Spain. Otherwise, check out these important facts you probably never knew about instalxpert.saunierduval.es

Descubre la gama más completa de calderas de gas en Saunier Duval y cambia de caldera sin preocupaciones con Instal XPERT. El mejor producto y el mejor servicio.

Visit instalxpert.saunierduval.es

Key Findings

We analyzed Instalxpert.saunierduval.es page load time and found that the first response time was 241 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

instalxpert.saunierduval.es performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

instalxpert.saunierduval.es

241 ms

instalxpert.saunierduval.es

286 ms

158 ms

css2

36 ms

app.0efcd373b8775f1ad135.css

215 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 82% of them (36 requests) were addressed to the original Instalxpert.saunierduval.es, 7% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (609 ms) belongs to the original domain Instalxpert.saunierduval.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 616.3 kB (39%)

Content Size

1.6 MB

After Optimization

981.3 kB

In fact, the total size of Instalxpert.saunierduval.es main page is 1.6 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 114.0 kB

  • Original 139.4 kB
  • After minification 123.3 kB
  • After compression 25.4 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 16.1 kB, which is 12% 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 114.0 kB or 82% of the original size.

Image Optimization

-40%

Potential reduce by 501.3 kB

  • Original 1.2 MB
  • After minification 741.8 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, Instal XPERT Saunier Duval needs image optimization as it can save up to 501.3 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 215.2 kB
  • After minification 215.2 kB
  • After compression 214.1 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.

Requests Breakdown

Number of requests can be reduced by 14 (38%)

Requests Now

37

After Optimization

23

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Instal XPERT Saunier Duval. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

instalxpert.saunierduval.es accessibility score

87

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

High

ARIA IDs are not unique

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

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

instalxpert.saunierduval.es 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

instalxpert.saunierduval.es SEO score

84

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Instalxpert.saunierduval.es 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 Instalxpert.saunierduval.es 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 Instal XPERT Saunier Duval. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: