Tools & Wizards About Us

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

olansi.net

Olansi Healthcare Co., Ltd-Buy Top Air Purifiers & Hydrogen Water Makers

Page Load Speed

2.3 sec in total

First Response

374 ms

Resources Loaded

1.7 sec

Page Rendered

184 ms

About Website

Click here to check amazing Olansi content for Pakistan. Otherwise, check out these important facts you probably never knew about olansi.net

Guangzhou Olansi Healthcare is a professional home, room, portable, desktop air purifier, hydrogen water bottle, machine, water maker manufacturer from China.

Visit olansi.net

Key Findings

We analyzed Olansi.net page load time and found that the first response time was 374 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

olansi.net performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

olansi.net

374 ms

www.olansi.net

494 ms

autoptimize_477f4b2b98d6fd576813b4526a183a4d.css

243 ms

jquery.js

276 ms

autoptimize_f2ed6f1e5152bc6f14e04c73922c2987.js

388 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 88% of them (30 requests) were addressed to the original Olansi.net, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (514 ms) belongs to the original domain Olansi.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 705.0 kB (70%)

Content Size

1.0 MB

After Optimization

301.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Olansi.net main page is 1.0 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. 25% of websites need less resources to load. CSS take 717.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 27.7 kB

  • Original 36.2 kB
  • After minification 36.1 kB
  • After compression 8.5 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. 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 27.7 kB or 76% of the original size.

Image Optimization

-77%

Potential reduce by 42.1 kB

  • Original 54.4 kB
  • After minification 12.3 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. Obviously, Olansi needs image optimization as it can save up to 42.1 kB or 77% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 21.4 kB

  • Original 197.8 kB
  • After minification 197.8 kB
  • After compression 176.3 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 21.4 kB or 11% of the original size.

CSS Optimization

-86%

Potential reduce by 613.7 kB

  • Original 717.6 kB
  • After minification 716.3 kB
  • After compression 103.9 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. Olansi.net needs all CSS files to be minified and compressed as it can save up to 613.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (48%)

Requests Now

31

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olansi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

olansi.net accessibility score

79

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

olansi.net best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

olansi.net SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a valid hreflang

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 Olansi.net 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 Olansi.net 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 Olansi. 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: