Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

havasystem.com

هوا سیستم ایران: طراح و تولیدکننده سیستم های فیلتراسیون صنعتی

Page Load Speed

9.9 sec in total

First Response

391 ms

Resources Loaded

9.2 sec

Page Rendered

268 ms

havasystem.com screenshot

About Website

Welcome to havasystem.com homepage info - get ready to check Havasystem best content right away, or after learning these important things about havasystem.com

هواسیستم ایران طراح و سازنده فن سانتریفیوژ، بگ فیلتر، و اسکرابر و فیلتراسیون صنعتی. اجرای پروژه های صنعتی و غبارگیر هوا

Visit havasystem.com

Key Findings

We analyzed Havasystem.com page load time and found that the first response time was 391 ms and then it took 9.5 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

havasystem.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

havasystem.com

391 ms

www.havasystemiran.com

782 ms

www.havasystemiran.com

1038 ms

style.css

387 ms

jquery-1.7.1.min.js

787 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Havasystem.com, 91% (40 requests) were made to Havasystemiran.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.4 sec) relates to the external source Havasystemiran.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 412.3 kB (15%)

Content Size

2.8 MB

After Optimization

2.4 MB

In fact, the total size of Havasystem.com main page is 2.8 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. 30% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 31.1 kB

  • Original 40.2 kB
  • After minification 32.1 kB
  • After compression 9.1 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 8.2 kB, which is 20% 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 31.1 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 243.6 kB

  • Original 2.6 MB
  • After minification 2.3 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. Havasystem images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 122.5 kB

  • Original 198.6 kB
  • After minification 198.4 kB
  • After compression 76.1 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 122.5 kB or 62% of the original size.

CSS Optimization

-77%

Potential reduce by 15.0 kB

  • Original 19.5 kB
  • After minification 17.3 kB
  • After compression 4.4 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. Havasystem.com needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Havasystem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

havasystem.com 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.

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

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

havasystem.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

havasystem.com SEO score

98

Search Engine Optimization Advices

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 Havasystem.com 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 Havasystem.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

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