Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

sentrastudia.co.id

Globalearningcenter | eLearning Solutions Provider

Page Load Speed

12.5 sec in total

First Response

2.4 sec

Resources Loaded

10 sec

Page Rendered

119 ms

sentrastudia.co.id screenshot

About Website

Welcome to sentrastudia.co.id homepage info - get ready to check Sentrastudia best content right away, or after learning these important things about sentrastudia.co.id

ISO 9001:2008 certified eLearning company

Visit sentrastudia.co.id

Key Findings

We analyzed Sentrastudia.co.id page load time and found that the first response time was 2.4 sec and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sentrastudia.co.id performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

sentrastudia.co.id

2393 ms

style.css

1211 ms

responsive.css

719 ms

shortcodes.css

1170 ms

shortcodes_responsive.css

796 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Sentrastudia.co.id, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Sentrastudia.co.id.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.8 kB (54%)

Content Size

457.6 kB

After Optimization

211.9 kB

In fact, the total size of Sentrastudia.co.id main page is 457.6 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. 15% of websites need less resources to load. Javascripts take 222.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.7 kB

  • Original 32.9 kB
  • After minification 30.8 kB
  • After compression 7.1 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 25.7 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 3.4 kB

  • Original 109.4 kB
  • After minification 106.1 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. Sentrastudia images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 139.7 kB

  • Original 222.1 kB
  • After minification 210.2 kB
  • After compression 82.4 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 139.7 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 77.0 kB

  • Original 93.2 kB
  • After minification 78.1 kB
  • After compression 16.2 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. Sentrastudia.co.id needs all CSS files to be minified and compressed as it can save up to 77.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (70%)

Requests Now

33

After Optimization

10

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sentrastudia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sentrastudia.co.id accessibility score

80

Accessibility Issues

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

sentrastudia.co.id best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sentrastudia.co.id SEO score

85

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sentrastudia.co.id can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sentrastudia.co.id 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 description is not detected on the main page of Sentrastudia. 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: