Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sman78-jkt.sch.id

SMAN 78 Jakarta – Website Resmi

Page Load Speed

11.3 sec in total

First Response

907 ms

Resources Loaded

9.4 sec

Page Rendered

947 ms

sman78-jkt.sch.id screenshot

About Website

Click here to check amazing SMAN 78 Jkt content for Indonesia. Otherwise, check out these important facts you probably never knew about sman78-jkt.sch.id

Program Sekolah, Sistem Informasi Manajemen Pendidikan

Visit sman78-jkt.sch.id

Key Findings

We analyzed Sman78-jkt.sch.id page load time and found that the first response time was 907 ms and then it took 10.4 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

sman78-jkt.sch.id performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value22.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,940 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.28

43/100

15%

TTI (Time to Interactive)

Value34.8 s

0/100

10%

Network Requests Diagram

sman78-jkt.sch.id

907 ms

bootstrap.css

1146 ms

bootstrap-responsive.css

571 ms

style.css

861 ms

css

119 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Sman78-jkt.sch.id, 9% (4 requests) were made to Fonts.googleapis.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Sman78-jkt.sch.id.

Page Optimization Overview & Recommendations

Page size can be reduced by 597.0 kB (75%)

Content Size

795.8 kB

After Optimization

198.8 kB

In fact, the total size of Sman78-jkt.sch.id main page is 795.8 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. 30% of websites need less resources to load. Javascripts take 393.0 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 28.8 kB

  • Original 31.5 kB
  • After minification 10.3 kB
  • After compression 2.8 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 21.2 kB, which is 67% 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 28.8 kB or 91% of the original size.

Image Optimization

-8%

Potential reduce by 8.5 kB

  • Original 105.5 kB
  • After minification 97.0 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. SMAN 78 Jkt images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 329.9 kB

  • Original 393.0 kB
  • After minification 221.8 kB
  • After compression 63.1 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 329.9 kB or 84% of the original size.

CSS Optimization

-86%

Potential reduce by 229.8 kB

  • Original 265.7 kB
  • After minification 214.0 kB
  • After compression 35.9 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. Sman78-jkt.sch.id needs all CSS files to be minified and compressed as it can save up to 229.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (61%)

Requests Now

41

After Optimization

16

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SMAN 78 Jkt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sman78-jkt.sch.id accessibility score

76

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sman78-jkt.sch.id best practices score

67

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

sman78-jkt.sch.id SEO score

82

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ID

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sman78-jkt.sch.id can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it does not match the claimed English language. Our system also found out that Sman78-jkt.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

Open Graph description is not detected on the main page of SMAN 78 Jkt. 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: