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Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

cert.or.id

ID-CERT

Page Load Speed

4.4 sec in total

First Response

1.2 sec

Resources Loaded

3.1 sec

Page Rendered

127 ms

cert.or.id screenshot

About Website

Click here to check amazing CERT content for Indonesia. Otherwise, check out these important facts you probably never knew about cert.or.id

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Key Findings

We analyzed Cert.or.id page load time and found that the first response time was 1.2 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cert.or.id performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

cert.or.id

1202 ms

bootstrap.css

794 ms

responsive.css

526 ms

logo.gif

531 ms

bg-content.jpg

1094 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Cert.or.id and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Cert.or.id.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.9 kB (52%)

Content Size

229.2 kB

After Optimization

110.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cert.or.id main page is 229.2 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. Only 5% of websites need less resources to load. CSS take 137.6 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 276 B

  • Original 580 B
  • After minification 557 B
  • After compression 304 B

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 276 B or 48% of the original size.

Image Optimization

-1%

Potential reduce by 812 B

  • Original 91.0 kB
  • After minification 90.2 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. CERT images are well optimized though.

CSS Optimization

-86%

Potential reduce by 117.8 kB

  • Original 137.6 kB
  • After minification 114.4 kB
  • After compression 19.8 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. Cert.or.id needs all CSS files to be minified and compressed as it can save up to 117.8 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERT. According to our analytics all requests are already optimized.

Network Requests Diagram

cert.or.id

cert.or.id

1202 ms

bootstrap.css

bootstrap.css

794 ms

responsive.css

responsive.css

526 ms

logo.gif

logo.gif

531 ms

bg-content.jpg

bg-content.jpg

1094 ms

Accessibility Review

cert.or.id accessibility score

85

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

cert.or.id best practices score

67

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

SEO Factors

cert.or.id SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cert.or.id can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cert.or.id main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cert.or.id

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