Tools & Wizards About Us
ozonecenter.ir screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

ozonecenter.ir

ozonecenter – مركز جامع اطلاعات و تحقيقات ازن ايرانozonecenter - مركز جامع اطلاعات و تحقيقات ازن ايران

Page Load Speed

6 sec in total

First Response

1.1 sec

Resources Loaded

4.6 sec

Page Rendered

283 ms

ozonecenter.ir screenshot

About Website

Click here to check amazing Ozonecenter content for Iran. Otherwise, check out these important facts you probably never knew about ozonecenter.ir

اولین سایت جامع تحقیقات و اطلاعات کاربردهای ازن و اکسیژن فعال در مصارف خانگی ، اداری ، صنعتی و بهداشت و درمان با معرفی بهترین دستگاهها و محصولات

Visit ozonecenter.ir

Key Findings

We analyzed Ozonecenter.ir page load time and found that the first response time was 1.1 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ozonecenter.ir performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value1,490 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

ozonecenter.ir

1137 ms

style.css

488 ms

font-awesome.min.css

496 ms

base.js

340 ms

menu.js

340 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 78% of them (100 requests) were addressed to the original Ozonecenter.ir, 16% (20 requests) were made to Aparat.com and 2% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ozonecenter.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.8 kB (11%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ozonecenter.ir main page is 2.2 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 112.3 kB

  • Original 131.5 kB
  • After minification 117.8 kB
  • After compression 19.2 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 112.3 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 74.4 kB

  • Original 1.5 MB
  • After minification 1.5 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. Ozonecenter images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 47.5 kB

  • Original 435.4 kB
  • After minification 435.3 kB
  • After compression 387.9 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 47.5 kB or 11% of the original size.

CSS Optimization

-18%

Potential reduce by 6.6 kB

  • Original 37.9 kB
  • After minification 37.9 kB
  • After compression 31.3 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. Ozonecenter.ir needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (39%)

Requests Now

122

After Optimization

74

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ozonecenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ozonecenter.ir

ozonecenter.ir

1137 ms

style.css

style.css

488 ms

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font-awesome.min.css

496 ms

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base.js

340 ms

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340 ms

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350 ms

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styles.css

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usp.css

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537 ms

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Accessibility Review

ozonecenter.ir accessibility score

83

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

Links do not have a discernible name

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

ozonecenter.ir 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

High

Page has valid source maps

SEO Factors

ozonecenter.ir 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

    FA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ozonecenter.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ozonecenter.ir 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

ozonecenter.ir

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