Tools & Wizards About Us
sis.sch.id screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sis.sch.id

Surabaya Intercultural School

Page Load Speed

8.3 sec in total

First Response

690 ms

Resources Loaded

5 sec

Page Rendered

2.6 sec

sis.sch.id screenshot

About Website

Welcome to sis.sch.id homepage info - get ready to check Sis best content right away, or after learning these important things about sis.sch.id

Surabaya Intercultural School - is home to students who represent over 25 nationalities. The students experience a vibrant international mindset every day and show appreciation for other cultures. Our...

Visit sis.sch.id

Key Findings

We analyzed Sis.sch.id page load time and found that the first response time was 690 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sis.sch.id performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

sis.sch.id

690 ms

sis.sch.id

1159 ms

css_NKo7zTm1aiPnFEDgYOXTDVFKcOu59S3d-8bkbOJXsI4.css

248 ms

swiper-bundle.min.css

20 ms

bootstrap.min.css

24 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 70% of them (44 requests) were addressed to the original Sis.sch.id, 10% (6 requests) were made to Cdn.jsdelivr.net and 10% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Sis.sch.id.

Page Optimization Overview & Recommendations

Page size can be reduced by 238.8 kB (6%)

Content Size

4.3 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sis.sch.id main page is 4.3 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 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.0 kB

  • Original 40.0 kB
  • After minification 33.1 kB
  • After compression 8.0 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 6.9 kB, which is 17% 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 32.0 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 205.8 kB

  • Original 4.1 MB
  • After minification 3.9 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. Sis images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 923 B

  • Original 85.7 kB
  • After minification 85.7 kB
  • After compression 84.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 165 B

  • Original 9.8 kB
  • After minification 9.7 kB
  • After compression 9.7 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. Sis.sch.id has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (20%)

Requests Now

54

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sis. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sis.sch.id

sis.sch.id

690 ms

sis.sch.id

sis.sch.id

1159 ms

css_NKo7zTm1aiPnFEDgYOXTDVFKcOu59S3d-8bkbOJXsI4.css

css_NKo7zTm1aiPnFEDgYOXTDVFKcOu59S3d-8bkbOJXsI4.css

248 ms

swiper-bundle.min.css

swiper-bundle.min.css

20 ms

bootstrap.min.css

bootstrap.min.css

24 ms

css_EWhqCqPn9550W4tUo3zuoppgGDw1yvp6zHQPutpu5-8.css

css_EWhqCqPn9550W4tUo3zuoppgGDw1yvp6zHQPutpu5-8.css

495 ms

enflag.png

enflag.png

732 ms

idflag.png

idflag.png

732 ms

koflag.png

koflag.png

731 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

19 ms

swiper-bundle.min.js

swiper-bundle.min.js

33 ms

css2

css2

39 ms

css2

css2

55 ms

bootstrap-icons.css

bootstrap-icons.css

9 ms

cobra-logo.png

cobra-logo.png

250 ms

logo.png

logo.png

448 ms

waicon.png

waicon.png

394 ms

popup_apple_sis.jpg

popup_apple_sis.jpg

882 ms

why-us-1-en.jpg

why-us-1-en.jpg

405 ms

why-us-2-en.jpg

why-us-2-en.jpg

495 ms

why-us-3-en.jpg

why-us-3-en.jpg

624 ms

why-us-4-en_0.jpg

why-us-4-en_0.jpg

648 ms

why-us-5-en_0.jpg

why-us-5-en_0.jpg

934 ms

why-us-6-en.jpg

why-us-6-en.jpg

693 ms

why-us-7-en.jpg

why-us-7-en.jpg

742 ms

why-us-8-en.jpg

why-us-8-en.jpg

854 ms

face-uni.jpg

face-uni.jpg

2324 ms

logouni1.png

logouni1.png

925 ms

logouni2.png

logouni2.png

990 ms

logouni3.png

logouni3.png

1085 ms

logouni4.png

logouni4.png

1123 ms

logouni5.png

logouni5.png

1157 ms

logouni6.png

logouni6.png

1180 ms

logouni7.png

logouni7.png

1236 ms

logouni8.png

logouni8.png

1315 ms

logouni9.png

logouni9.png

1364 ms

logouni10.png

logouni10.png

1389 ms

logouni11.png

logouni11.png

1424 ms

logouni12.png

logouni12.png

1483 ms

elementary-curriculum.png

elementary-curriculum.png

2000 ms

middle-curriculum.png

middle-curriculum.png

1844 ms

high-curriculum.png

high-curriculum.png

2311 ms

elementary-curriculum2.png

elementary-curriculum2.png

2155 ms

our-teachers.jpg

our-teachers.jpg

1730 ms

facilities.jpg

facilities.jpg

1985 ms

star.png

star.png

2087 ms

Parent1_0.png

Parent1_0.png

2476 ms

KFOmCnqEu92Fr1Me5WZNCzc.ttf

KFOmCnqEu92Fr1Me5WZNCzc.ttf

153 ms

KFOlCnqEu92Fr1MmEU9vAx0_IsE.ttf

KFOlCnqEu92Fr1MmEU9vAx0_IsE.ttf

173 ms

KFOlCnqEu92Fr1MmSU5vAx0_IsE.ttf

KFOlCnqEu92Fr1MmSU5vAx0_IsE.ttf

172 ms

KFOlCnqEu92Fr1MmWUlvAx0_IsE.ttf

KFOlCnqEu92Fr1MmWUlvAx0_IsE.ttf

173 ms

bootstrap-icons.woff

bootstrap-icons.woff

25 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-Y3tco5q6.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-Y3tco5q6.ttf

145 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-Y3tco5q6.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-Y3tco5q6.ttf

167 ms

embed

embed

282 ms

Parent2.png

Parent2.png

2301 ms

Parent3.png

Parent3.png

2171 ms

bg-curriculum.png

bg-curriculum.png

2243 ms

logo-testi.png

logo-testi.png

2300 ms

js

js

30 ms

search.js

search.js

5 ms

geometry.js

geometry.js

10 ms

main.js

main.js

13 ms

Accessibility Review

sis.sch.id accessibility score

80

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

sis.sch.id best practices score

92

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

Page has valid source maps

SEO Factors

sis.sch.id SEO score

86

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

High

Image elements do not have [alt] attributes

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 Sis.sch.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 Sis.sch.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

sis.sch.id

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