Report Summary

  • 69

    Performance

    Renders faster than
    81% 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

  • 88

    SEO

    Google-friendlier than
    66% of websites

semarang.nl

Semarang Archief

Page Load Speed

2 sec in total

First Response

500 ms

Resources Loaded

1.3 sec

Page Rendered

190 ms

semarang.nl screenshot

About Website

Welcome to semarang.nl homepage info - get ready to check Semarang best content for Indonesia right away, or after learning these important things about semarang.nl

Semarang Archief. Semarang Archives. Semarang Arsip.

Visit semarang.nl

Key Findings

We analyzed Semarang.nl page load time and found that the first response time was 500 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

semarang.nl performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

semarang.nl

500 ms

blockerror.js

163 ms

taal-keuze-script.js

170 ms

urchin.js

4 ms

menu-microsoft.html

170 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 84% of them (26 requests) were addressed to the original Semarang.nl, 13% (4 requests) were made to Google-analytics.com and 3% (1 request) were made to Indoradio.semarang.nl. The less responsive or slowest element that took the longest time to load (500 ms) belongs to the original domain Semarang.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.1 kB (54%)

Content Size

29.9 kB

After Optimization

13.8 kB

In fact, the total size of Semarang.nl main page is 29.9 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 10% of websites need less resources to load. Javascripts take 19.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 3.3 kB

  • Original 4.8 kB
  • After minification 3.5 kB
  • After compression 1.5 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 1.3 kB, which is 27% 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 3.3 kB or 69% of the original size.

Image Optimization

-37%

Potential reduce by 1.0 kB

  • Original 2.7 kB
  • After minification 1.7 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. Obviously, Semarang needs image optimization as it can save up to 1.0 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 9.5 kB

  • Original 19.2 kB
  • After minification 17.3 kB
  • After compression 9.7 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 9.5 kB or 49% of the original size.

CSS Optimization

-72%

Potential reduce by 2.3 kB

  • Original 3.2 kB
  • After minification 2.5 kB
  • After compression 901 B

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. Semarang.nl needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (76%)

Requests Now

29

After Optimization

7

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semarang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

semarang.nl accessibility score

85

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

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

semarang.nl 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

semarang.nl SEO score

88

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semarang.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Semarang.nl main page’s claimed encoding is iso-8859-1. 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

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