Tools & Wizards About Us
certto.com.br screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

certto.com.br

Certto a melhor empresa de internet fibra em Cascavel, Toledo e região. | Certto Telecom

Page Load Speed

5.3 sec in total

First Response

469 ms

Resources Loaded

4.1 sec

Page Rendered

660 ms

certto.com.br screenshot

About Website

Click here to check amazing Certto content for Brazil. Otherwise, check out these important facts you probably never knew about certto.com.br

Aqui na Certto Telecom, é internet fibra óptica de verdade! Mais velocidade para você navegar numa boa.

Visit certto.com.br

Key Findings

We analyzed Certto.com.br page load time and found that the first response time was 469 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

certto.com.br performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,860 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

certto.com.br

469 ms

certto.com.br

723 ms

css2

36 ms

style.css

237 ms

bundle.js

39 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 87% of them (139 requests) were addressed to the original Certto.com.br, 4% (7 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Converx.app. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Certto.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 949.4 kB (24%)

Content Size

4.0 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certto.com.br main page is 4.0 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. 65% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 187.0 kB

  • Original 201.8 kB
  • After minification 119.0 kB
  • After compression 14.9 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 82.8 kB, which is 41% 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 187.0 kB or 93% of the original size.

Image Optimization

-22%

Potential reduce by 760.1 kB

  • Original 3.5 MB
  • After minification 2.7 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. Obviously, Certto needs image optimization as it can save up to 760.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 2.4 kB

  • Original 246.3 kB
  • After minification 246.3 kB
  • After compression 243.9 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

-0%

Potential reduce by 0 B

  • Original 93.7 kB
  • After minification 93.7 kB
  • After compression 93.7 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. Certto.com.br has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (6%)

Requests Now

144

After Optimization

135

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

certto.com.br

certto.com.br

469 ms

certto.com.br

certto.com.br

723 ms

css2

css2

36 ms

style.css

style.css

237 ms

bundle.js

bundle.js

39 ms

app.js

app.js

1002 ms

css

css

23 ms

css2

css2

39 ms

gtm.js

gtm.js

154 ms

sdk.js

sdk.js

379 ms

Alamir.png

Alamir.png

719 ms

61c38cf48d429Melhor-Velocidade---Municipal.svg

61c38cf48d429Melhor-Velocidade---Municipal.svg

276 ms

Clemente.png

Clemente.png

725 ms

1.png

1.png

728 ms

jessica.png

jessica.png

728 ms

joao.png

joao.png

731 ms

yjoao.png

yjoao.png

732 ms

josilene.png

josilene.png

830 ms

luciano.png

luciano.png

832 ms

marno.png

marno.png

840 ms

loreiro.png

loreiro.png

840 ms

ruan.png

ruan.png

842 ms

zenilda.png

zenilda.png

845 ms

David-Lucas-Cordeiro-foto.png

David-Lucas-Cordeiro-foto.png

942 ms

Jose.png

Jose.png

944 ms

Adir.png

Adir.png

1065 ms

Abimael.png

Abimael.png

1064 ms

VIVI-CORREIA.png

VIVI-CORREIA.png

954 ms

PAULO-CESAR.png

PAULO-CESAR.png

957 ms

almir.png

almir.png

1054 ms

altair.png

altair.png

1055 ms

Ana-julia.png

Ana-julia.png

1067 ms

Bruna.png

Bruna.png

1070 ms

bruno.png

bruno.png

1166 ms

kassy.png

kassy.png

1167 ms

clarides.png

clarides.png

1176 ms

Claudete.png

Claudete.png

1177 ms

Dalva.png

Dalva.png

1178 ms

dino.png

dino.png

1182 ms

2.png

2.png

1374 ms

Elcir-.png

Elcir-.png

1373 ms

eloi.png

eloi.png

1288 ms

everton.png

everton.png

1289 ms

felipe.png

felipe.png

1290 ms

fernanda.png

fernanda.png

1296 ms

gilmar.png

gilmar.png

1401 ms

jamir.png

jamir.png

1430 ms

61c38cf1a5672Maior-satisfao---Municipal.svg

61c38cf1a5672Maior-satisfao---Municipal.svg

370 ms

logo-yellow.png

logo-yellow.png

145 ms

support.svg

support.svg

337 ms

indique.svg

indique.svg

433 ms

planos.svg

planos.svg

473 ms

central.svg

central.svg

469 ms

52c8095950031361.jpg

52c8095950031361.jpg

1042 ms

b8884c7da5cbe803.jpg

b8884c7da5cbe803.jpg

832 ms

64ff18a3b02d527e.jpg

64ff18a3b02d527e.jpg

1146 ms

4f3cfdda900bb57a.jpg

4f3cfdda900bb57a.jpg

1155 ms

int-star.svg

int-star.svg

586 ms

like-amei.svg

like-amei.svg

700 ms

like-like.svg

like-like.svg

814 ms

like-abraco.svg

like-abraco.svg

826 ms

qualidade.png

qualidade.png

927 ms

atendimento.png

atendimento.png

939 ms

gratis.png

gratis.png

944 ms

local.png

local.png

1041 ms

rapida.png

rapida.png

1052 ms

whatsapp-ico.png

whatsapp-ico.png

1056 ms

messenger-ico.png

messenger-ico.png

1153 ms

telegram-ico.png

telegram-ico.png

1154 ms

logo-blue.png

logo-blue.png

1165 ms

play-store.png

play-store.png

1168 ms

apple-store.png

apple-store.png

1256 ms

melhor-internet-gamer-municipal.svg

melhor-internet-gamer-municipal.svg

1681 ms

melhor-velocidade-municipal.svg

melhor-velocidade-municipal.svg

1566 ms

selo-all-fiber.png

selo-all-fiber.png

1791 ms

selo-manrs.png

selo-manrs.png

1392 ms

fbevents.js

fbevents.js

169 ms

bg-depoimentos.png

bg-depoimentos.png

1250 ms

bg-section-indicacao.png

bg-section-indicacao.png

1758 ms

NDE5MjM6Y2VydHRvLXRlbGVjb20=

NDE5MjM6Y2VydHRvLXRlbGVjb20=

295 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

60 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

75 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

111 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

127 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

162 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aX8.ttf

162 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

196 ms

icomoon.ttf

icomoon.ttf

1258 ms

fa-solid-900.woff

fa-solid-900.woff

1369 ms

fa-regular-400.woff

fa-regular-400.woff

1387 ms

fa-light-300.woff

fa-light-300.woff

1654 ms

fa-brands-400.woff

fa-brands-400.woff

1655 ms

widget

widget

186 ms

widget-90152bf8cfefc925e969.js

widget-90152bf8cfefc925e969.js

136 ms

widget-9a53e8cb.css

widget-9a53e8cb.css

166 ms

janete.png

janete.png

718 ms

caes.png

caes.png

712 ms

ju.png

ju.png

808 ms

leandro.png

leandro.png

808 ms

luiz.png

luiz.png

802 ms

Mariza.png

Mariza.png

802 ms

Marize.png

Marize.png

704 ms

Mary.png

Mary.png

704 ms

Mayara.png

Mayara.png

960 ms

nando.png

nando.png

960 ms

ronaldo.png

ronaldo.png

959 ms

ronaldo1.png

ronaldo1.png

960 ms

silvane.png

silvane.png

863 ms

sonia.png

sonia.png

862 ms

stella.png

stella.png

896 ms

suelen.png

suelen.png

894 ms

sylvia.png

sylvia.png

796 ms

tayanara.png

tayanara.png

796 ms

valdinei.png

valdinei.png

800 ms

vando.png

vando.png

788 ms

Victor.png

Victor.png

790 ms

zezinho.png

zezinho.png

787 ms

paulinho-sergio.png

paulinho-sergio.png

691 ms

rosangela.png

rosangela.png

696 ms

kimberli.png

kimberli.png

689 ms

loreni.png

loreni.png

793 ms

Ronaldo-Antunes.png

Ronaldo-Antunes.png

792 ms

rose.png

rose.png

788 ms

marcilei.png

marcilei.png

688 ms

marcia-.png

marcia-.png

687 ms

Captura-de-tela-2022-08-24-141052.png

Captura-de-tela-2022-08-24-141052.png

688 ms

jonathan.png

jonathan.png

785 ms

Rosilda.png

Rosilda.png

709 ms

Rosildas.png

Rosildas.png

708 ms

Captura-de-tela-2022-09-19-074930.png

Captura-de-tela-2022-09-19-074930.png

688 ms

salete.png

salete.png

658 ms

Deivid.png

Deivid.png

658 ms

junior-de-moura.png

junior-de-moura.png

762 ms

edilene.png

edilene.png

664 ms

Ana-Paulaa.png

Ana-Paulaa.png

665 ms

Andre-lucas-Andreatta.png

Andre-lucas-Andreatta.png

672 ms

Urcelene-Silva-.png

Urcelene-Silva-.png

672 ms

Paulinho-Santos.png

Paulinho-Santos.png

671 ms

Carine-Danieli.png

Carine-Danieli.png

737 ms

Rafaela-Copeseski.png

Rafaela-Copeseski.png

511 ms

Marcos-Vinicius.png

Marcos-Vinicius.png

512 ms

Joana-lopes-1.png

Joana-lopes-1.png

517 ms

Rose-Antony.png

Rose-Antony.png

514 ms

Cesar-Augusto.png

Cesar-Augusto.png

514 ms

Jo%C3%A3o-Aguiar.png

Jo%C3%A3o-Aguiar.png

575 ms

Rose-Antony-Gimenez.png

Rose-Antony-Gimenez.png

574 ms

Jane-de-S.png

Jane-de-S.png

575 ms

Nildinho.png

Nildinho.png

580 ms

valdete.png

valdete.png

580 ms

Jeferson-Alves.png

Jeferson-Alves.png

580 ms

Luciana-Mendes.png

Luciana-Mendes.png

680 ms

Jociane.png

Jociane.png

680 ms

Mary.png

Mary.png

680 ms

Marcia-Silva.png

Marcia-Silva.png

681 ms

Captura-de-tela-2023-03-22-134059.png

Captura-de-tela-2023-03-22-134059.png

680 ms

Carine2.png

Carine2.png

680 ms

Valdinei.png

Valdinei.png

679 ms

zenilda.png

zenilda.png

679 ms

Maria-Ines.png

Maria-Ines.png

679 ms

Accessibility Review

certto.com.br accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

High

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

Best Practices

certto.com.br best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

certto.com.br 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

High

robots.txt is not valid

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

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 Certto.com.br 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 Certto.com.br 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

certto.com.br

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