Tools & Wizards About Us
certus.edu.pe screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    91% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

certus.edu.pe

Instituto Certus | Carreras Técnicas y Educación Continua

Page Load Speed

4.4 sec in total

First Response

157 ms

Resources Loaded

3.6 sec

Page Rendered

610 ms

certus.edu.pe screenshot

About Website

Click here to check amazing Certus content for Peru. Otherwise, check out these important facts you probably never knew about certus.edu.pe

¡Carreras con futuro laboral! Encuentra las carreras técnicas, certificaciones y diplomas con más alta demanda en el mercado laboral. ¡Ingresa y conócenos!

Visit certus.edu.pe

Key Findings

We analyzed Certus.edu.pe page load time and found that the first response time was 157 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 60% of websites can load faster.

Performance Metrics

certus.edu.pe performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.123

83/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

certus.edu.pe

157 ms

www.certus.edu.pe

1379 ms

autoptimize_single_4839fe17bf38bbc6832cc3ab23013704.css

80 ms

autoptimize_single_5dfa97cb6838de06b1447d74b45deee6.css

129 ms

wpcf7-redirect-frontend.min.css

131 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Certus.edu.pe, 13% (9 requests) were made to and 3% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Certus.edu.pe.

Page Optimization Overview & Recommendations

Page size can be reduced by 181.9 kB (55%)

Content Size

331.1 kB

After Optimization

149.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Certus.edu.pe main page is 331.1 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. 55% of websites need less resources to load. HTML takes 207.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 175.6 kB

  • Original 207.0 kB
  • After minification 206.8 kB
  • After compression 31.4 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. 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 175.6 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 4.8 kB

  • Original 48.7 kB
  • After minification 43.9 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. Certus images are well optimized though.

CSS Optimization

-2%

Potential reduce by 1.5 kB

  • Original 75.4 kB
  • After minification 75.3 kB
  • After compression 73.9 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. Certus.edu.pe has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (67%)

Requests Now

51

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

certus.edu.pe

certus.edu.pe

157 ms

www.certus.edu.pe

www.certus.edu.pe

1379 ms

autoptimize_single_4839fe17bf38bbc6832cc3ab23013704.css

autoptimize_single_4839fe17bf38bbc6832cc3ab23013704.css

80 ms

autoptimize_single_5dfa97cb6838de06b1447d74b45deee6.css

autoptimize_single_5dfa97cb6838de06b1447d74b45deee6.css

129 ms

wpcf7-redirect-frontend.min.css

wpcf7-redirect-frontend.min.css

131 ms

icon

icon

125 ms

select2.min.css

select2.min.css

150 ms

autoptimize_single_4bbf7b4f88ec8cae564412c9309ff92c.css

autoptimize_single_4bbf7b4f88ec8cae564412c9309ff92c.css

130 ms

jquery.min.js

jquery.min.js

141 ms

jquery-migrate.min.js

jquery-migrate.min.js

128 ms

autoptimize_single_cfef135dd95c93ece22421733f319db3.js

autoptimize_single_cfef135dd95c93ece22421733f319db3.js

141 ms

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6 ms

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4 ms

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28 ms

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28 ms

autoptimize_single_e3b4bd94c69d5fecbb79fdf7a6426d09.js

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Accessibility Review

certus.edu.pe accessibility score

78

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.

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

Document doesn't have a <title> element

High

Links do not have a discernible name

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

certus.edu.pe 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

certus.edu.pe SEO score

76

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

Document doesn't have a <title> element

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 Certus.edu.pe 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 Certus.edu.pe 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

certus.edu.pe

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