Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

kolejku.com

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Page Load Speed

16.2 sec in total

First Response

1.1 sec

Resources Loaded

14.9 sec

Page Rendered

190 ms

kolejku.com screenshot

About Website

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Visit kolejku.com

Key Findings

We analyzed Kolejku.com page load time and found that the first response time was 1.1 sec and then it took 15.1 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

kolejku.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value25.3 s

0/100

25%

SI (Speed Index)

Value18.9 s

0/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

kolejku.com

1057 ms

v3

5701 ms

3955 ms

attachments_hide.css

729 ms

attachments_list.css

712 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Kolejku.com, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain Kolejku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 378.4 kB (54%)

Content Size

697.4 kB

After Optimization

319.0 kB

In fact, the total size of Kolejku.com main page is 697.4 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. 25% of websites need less resources to load. Javascripts take 381.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.6 kB

  • Original 55.9 kB
  • After minification 51.5 kB
  • After compression 9.2 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 46.6 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 16.6 kB

  • Original 212.9 kB
  • After minification 196.3 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. Kolejku images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 273.8 kB

  • Original 381.5 kB
  • After minification 369.0 kB
  • After compression 107.7 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 273.8 kB or 72% of the original size.

CSS Optimization

-88%

Potential reduce by 41.3 kB

  • Original 47.1 kB
  • After minification 37.4 kB
  • After compression 5.8 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. Kolejku.com needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (74%)

Requests Now

39

After Optimization

10

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolejku. 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 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kolejku.com accessibility score

100

Accessibility Issues

Best Practices

kolejku.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

kolejku.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kolejku.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Kolejku.com 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 Kolejku. 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: