Tools & Wizards About Us

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

modemquang.com

Converter quang,bộ chuyển đổi quang điện,chuyển đổi video quang,dây nhảy quang,cáp quang

Page Load Speed

24.1 sec in total

First Response

764 ms

Resources Loaded

22.9 sec

Page Rendered

462 ms

About Website

Visit modemquang.com now to see the best up-to-date Modem Quang content for Vietnam and also check out these interesting facts you probably never knew about modemquang.com

Modem quang, converter quang, cáp quang, hộp phối quang,dây nhảy quang, hàn nối cáp quang: GIÁ TỐT NHẤT. ĐT: 08.39940163

Visit modemquang.com

Key Findings

We analyzed Modemquang.com page load time and found that the first response time was 764 ms and then it took 23.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

modemquang.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

modemquang.com

764 ms

www.modemquang.com

533 ms

3645911276-widget_css_bundle.css

119 ms

authorization.css

231 ms

jquery.min.js

265 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Modemquang.com, 17% (22 requests) were made to Apis.google.com and 11% (14 requests) were made to 2.bp.blogspot.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Streamtest.github.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 731.7 kB (37%)

Content Size

2.0 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Modemquang.com main page is 2.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 911.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 137.9 kB

  • Original 184.0 kB
  • After minification 182.9 kB
  • After compression 46.0 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 137.9 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 40.0 kB

  • Original 911.2 kB
  • After minification 871.2 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. Modem Quang images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 514.2 kB

  • Original 800.5 kB
  • After minification 800.4 kB
  • After compression 286.2 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 514.2 kB or 64% of the original size.

CSS Optimization

-70%

Potential reduce by 39.6 kB

  • Original 56.6 kB
  • After minification 53.0 kB
  • After compression 17.1 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. Modemquang.com needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (41%)

Requests Now

117

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Modem Quang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

modemquang.com accessibility score

57

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

Image elements do not have [alt] attributes

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

modemquang.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

modemquang.com SEO score

86

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Modemquang.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Modemquang.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 Modem Quang. 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: