Tools & Wizards About Us
voltimum.pt screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

voltimum.pt

Voltimum, a fonte central de informação para o sector

Page Load Speed

4.5 sec in total

First Response

341 ms

Resources Loaded

3.8 sec

Page Rendered

367 ms

voltimum.pt screenshot

About Website

Click here to check amazing Voltimum content for Portugal. Otherwise, check out these important facts you probably never knew about voltimum.pt

Comunicação para profissionais do sector eléctrico e iluminação - desenvolvimentos técnicos, produtos, legislação, seminários, formação, app e videos

Visit voltimum.pt

Key Findings

We analyzed Voltimum.pt page load time and found that the first response time was 341 ms and then it took 4.2 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

voltimum.pt performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value3,830 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

voltimum.pt

341 ms

www.voltimum.pt

431 ms

fbevents.js

317 ms

js

767 ms

comment_notify.css

713 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 3% of them (4 requests) were addressed to the original Voltimum.pt, 55% (81 requests) were made to D20g1hcwzqzdjk.cloudfront.net and 31% (46 requests) were made to Dpydhb3wsr746.cloudfront.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Dpydhb3wsr746.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.5 kB (26%)

Content Size

731.8 kB

After Optimization

542.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voltimum.pt main page is 731.8 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. 70% of websites need less resources to load. Images take 360.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 95.5 kB

  • Original 120.3 kB
  • After minification 113.3 kB
  • After compression 24.8 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. 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 95.5 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 44.9 kB

  • Original 360.6 kB
  • After minification 315.7 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, Voltimum needs image optimization as it can save up to 44.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 30.4 kB

  • Original 139.0 kB
  • After minification 139.0 kB
  • After compression 108.6 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 30.4 kB or 22% of the original size.

CSS Optimization

-17%

Potential reduce by 18.7 kB

  • Original 112.0 kB
  • After minification 111.8 kB
  • After compression 93.3 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. Voltimum.pt needs all CSS files to be minified and compressed as it can save up to 18.7 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 98 (67%)

Requests Now

146

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voltimum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 74 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

voltimum.pt

voltimum.pt

341 ms

www.voltimum.pt

www.voltimum.pt

431 ms

fbevents.js

fbevents.js

317 ms

js

js

767 ms

comment_notify.css

comment_notify.css

713 ms

datepicker.1.7.css

datepicker.1.7.css

739 ms

logintoboggan.css

logintoboggan.css

585 ms

vlt_user.css

vlt_user.css

1011 ms

ckeditor.css

ckeditor.css

708 ms

apachesolr_autocomplete.css

apachesolr_autocomplete.css

669 ms

jquery.autocomplete.css

jquery.autocomplete.css

670 ms

ctools.css

ctools.css

584 ms

rate.css

rate.css

667 ms

vlt_pdflibrary_fancybox.css

vlt_pdflibrary_fancybox.css

988 ms

crm-i.css

crm-i.css

668 ms

civicrm.css

civicrm.css

706 ms

vlt_hybridauth_32.css

vlt_hybridauth_32.css

666 ms

addtoany.css

addtoany.css

761 ms

hybridauth.css

hybridauth.css

749 ms

hybridauth.modal.css

hybridauth.modal.css

772 ms

b0ae48de26dd858f99f4ae380b2186e9.css

b0ae48de26dd858f99f4ae380b2186e9.css

749 ms

eu_cookie_compliance.css

eu_cookie_compliance.css

747 ms

font-awesome.min.css

font-awesome.min.css

772 ms

bootstrap.css

bootstrap.css

761 ms

override.bootstrap.css

override.bootstrap.css

771 ms

jquery.fancybox.css

jquery.fancybox.css

933 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

747 ms

global.css

global.css

917 ms

forms.css

forms.css

933 ms

video-js.min.css

video-js.min.css

775 ms

vlt-carousel.css

vlt-carousel.css

758 ms

contenttype-article.css

contenttype-article.css

900 ms

header-zone.css

header-zone.css

930 ms

login.css

login.css

966 ms

brands.css

brands.css

964 ms

search.css

search.css

964 ms

breadcrumbs.css

breadcrumbs.css

767 ms

footer-zone.css

footer-zone.css

960 ms

content-zone.css

content-zone.css

755 ms

user-pages.css

user-pages.css

959 ms

search-solr.css

search-solr.css

754 ms

pdflib.css

pdflib.css

894 ms

third-party-links.css

third-party-links.css

972 ms

vlt_bookmarks.css

vlt_bookmarks.css

894 ms

our-experts.css

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896 ms

experts-area.css

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897 ms

questions-list.css

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869 ms

question.css

question.css

970 ms

add-question.css

add-question.css

952 ms

my-asked-questions.css

my-asked-questions.css

953 ms

profile.css

profile.css

951 ms

comment.css

comment.css

951 ms

vlt-outlets.css

vlt-outlets.css

968 ms

vlt-homepage.css

vlt-homepage.css

952 ms

roundabout.css

roundabout.css

962 ms

vlt-civicrm.css

vlt-civicrm.css

963 ms

vlt-carousel-max.css

vlt-carousel-max.css

972 ms

menu-max.css

menu-max.css

972 ms

vlt_bookmarks-max.css

vlt_bookmarks-max.css

961 ms

desktop.css

desktop.css

973 ms

vlt-carousel-min.css

vlt-carousel-min.css

976 ms

menu-min.css

menu-min.css

960 ms

mobile.css

mobile.css

975 ms

voltimum2-default-normal-24.css

voltimum2-default-normal-24.css

988 ms

voltimum2-default-fluid-24.css

voltimum2-default-fluid-24.css

958 ms

jquery.min.js

jquery.min.js

729 ms

js__TjSabDCcR-7ehX00Ly7w7QThb3wWMuzryQuldzOU7gY__u3lufzDD8lVDH-E6NMcsFtQzc95ET238r4SNj1PCtGE__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

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985 ms

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968 ms

js__9L1wDAaUksMHjsh5CmxGnID0OxyWUD5bcE6Wf4DpAIE__Pxpx_tXGNSszvUZrPV4gTEfQcW9wOV0YQCY18jc-V9E__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

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973 ms

client

client

978 ms

916198fcdce642089f014ce87dc6603c.js.ubembed.com

916198fcdce642089f014ce87dc6603c.js.ubembed.com

754 ms

js__pz_sXMUiOU3LRyDWuAEtn_5pckexgU9DBz66fga6q7E__C6Y5swhr3M9tfctenfNqL-v41qqM6EMf2ojB2qvty5U__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

js__pz_sXMUiOU3LRyDWuAEtn_5pckexgU9DBz66fga6q7E__C6Y5swhr3M9tfctenfNqL-v41qqM6EMf2ojB2qvty5U__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

951 ms

js__4szlhtqB69n_M_jvp4c2yAH-zofryW5A19AAuePsGMo__MYOx6AOjELfuQMRlF4OwB8640xu7Cy_UvQwxU1NKHRI__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

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968 ms

js__WcTpt-w0y1FyXrxZNriX8Ts1KjsFTDpdvZaw9yhRn24___KUAEsLwjVY8b9aazeewCHQlrDYjy9O379NZ1kVtHZ8__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

js__WcTpt-w0y1FyXrxZNriX8Ts1KjsFTDpdvZaw9yhRn24___KUAEsLwjVY8b9aazeewCHQlrDYjy9O379NZ1kVtHZ8__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

969 ms

js__lxIx9WGzYsLBupfhjwQbAgXcagbJ5nFKXkh5gBeygBY__VRgBv2HSe7bWaYoMpRX0AG8OTp87CRGelFn4z9Qwddk__w3jnxW6Rdinh2ZLA6UsE7kP9UIqwC_roFX7AmYmNkI4.js

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950 ms

1734753603502957

1734753603502957

214 ms

common.css

common.css

221 ms

vlt-form-h.css

vlt-form-h.css

231 ms

term-reference-tree.css

term-reference-tree.css

231 ms

field-collection.css

field-collection.css

248 ms

field-multiple-table.css

field-multiple-table.css

242 ms

field-node-reference.css

field-node-reference.css

244 ms

field-date.css

field-date.css

241 ms

field-image-widget.css

field-image-widget.css

242 ms

field-file-widget.css

field-file-widget.css

246 ms

field-video-embed.css

field-video-embed.css

246 ms

field-link.css

field-link.css

246 ms

field-geolocation.css

field-geolocation.css

237 ms

webform-civi.css

webform-civi.css

235 ms

logo-mobile.png

logo-mobile.png

206 ms

schneider_electric_100x30.jpg

schneider_electric_100x30.jpg

377 ms

main-logo.png

main-logo.png

232 ms

sprite.png

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230 ms

glyphicons-halflings-v1.png

glyphicons-halflings-v1.png

254 ms

logo-scrollbar.png

logo-scrollbar.png

201 ms

main-nav-sprite.png

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201 ms

unnamed_127.jpg

unnamed_127.jpg

677 ms

picture1_16.jpg

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253 ms

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242 ms

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251 ms

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242 ms

imagem-preview.jpg

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253 ms

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banner_oe_625x164_junho2016.gif

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254 ms

eletrica_608_160.png

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266 ms

voltimum_logo_2016_rgb_final.png

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263 ms

Page-1.jpg

Page-1.jpg

452 ms

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263 ms

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266 ms

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264 ms

ledvance-logo-positive_100x301.jpg

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266 ms

interact_logo_1.png

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341 ms

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268 ms

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268 ms

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333 ms

logomazda_148x68.png

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339 ms

signify_100x30.png

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339 ms

nexans_100x30.jpg

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340 ms

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342 ms

smartproe.jpg

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cebecera-automconsumo-pt.jpeg

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160 ms

top_cable_ilustrativa.jpg

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444 ms

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163 ms

p3.jpeg

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194 ms

nexans_logo_cmyk-01_directorio_2019.jpg

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203 ms

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hager_100x30.png

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199 ms

bundle.js

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178 ms

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101 ms

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diffuser.js

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33 ms

gtm.js

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448 ms

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Accessibility Review

voltimum.pt accessibility score

67

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Heading elements are not in a sequentially-descending order

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

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

voltimum.pt best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

voltimum.pt SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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

    PT

  • Language Claimed

    PT

  • Encoding

    UTF-8

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

voltimum.pt

Open Graph description is not detected on the main page of Voltimum. 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: