Tools & Wizards About Us
domain-observer.com screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

domain-observer.com

优发国际-安全购彩

Page Load Speed

1.7 sec in total

First Response

317 ms

Resources Loaded

1 sec

Page Rendered

343 ms

domain-observer.com screenshot

About Website

Click here to check amazing Domain Observer content for Germany. Otherwise, check out these important facts you probably never knew about domain-observer.com

【CC推荐&信誉首选】【{核心词}】有限公司是一家通过互联网为广大百姓服务的娱乐平台,打造的便捷、专业、安全的免费手机彩讯软件,界面简洁美观,操作方便,我们致力于全球客户提供优质的服务!

Visit domain-observer.com

Key Findings

We analyzed Domain-observer.com page load time and found that the first response time was 317 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

domain-observer.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

domain-observer.com

317 ms

bootstrap.css

185 ms

responsive.css

196 ms

main.css

198 ms

style.css

200 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 80% of them (8 requests) were addressed to the original Domain-observer.com, 20% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (459 ms) belongs to the original domain Domain-observer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 218.0 kB (54%)

Content Size

404.9 kB

After Optimization

186.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Domain-observer.com main page is 404.9 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. 20% of websites need less resources to load. CSS take 183.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 14.5 kB

  • Original 17.4 kB
  • After minification 14.7 kB
  • After compression 2.9 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 2.6 kB, which is 15% 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 14.5 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 12.7 kB

  • Original 151.0 kB
  • After minification 138.3 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. Domain Observer images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 158.8 kB

  • Original 183.6 kB
  • After minification 141.2 kB
  • After compression 24.8 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. Domain-observer.com needs all CSS files to be minified and compressed as it can save up to 158.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (33%)

Requests Now

9

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Domain Observer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

domain-observer.com

domain-observer.com

317 ms

bootstrap.css

bootstrap.css

185 ms

responsive.css

responsive.css

196 ms

main.css

main.css

198 ms

style.css

style.css

200 ms

analytics.js

analytics.js

35 ms

main-bg.jpg

main-bg.jpg

459 ms

footer-bg.png

footer-bg.png

187 ms

scroll-top.png

scroll-top.png

95 ms

collect

collect

29 ms

Accessibility Review

domain-observer.com accessibility score

58

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.

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

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

domain-observer.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

SEO Factors

domain-observer.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Domain-observer.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 Domain-observer.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

domain-observer.com

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