Tools & Wizards About Us
sanvi.biz screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sanvi.biz

SAN VI CO., LTD. - YKK Authorized Distributor (Vietnam)

Page Load Speed

7.7 sec in total

First Response

672 ms

Resources Loaded

6.3 sec

Page Rendered

722 ms

sanvi.biz screenshot

About Website

Visit sanvi.biz now to see the best up-to-date SAN VI content and also check out these interesting facts you probably never knew about sanvi.biz

We supply YKK zippers and garment accessories in Vietnam. Our company is YKK Vietnam authorized distributor. Công ty TNHH San Vi là công ty phân phối ủy quyền YKK. (Dây kéo YKK) YKKファスナー ベトナム 正規販売店 サン...

Visit sanvi.biz

Key Findings

We analyzed Sanvi.biz page load time and found that the first response time was 672 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

sanvi.biz performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

sanvi.biz

672 ms

www.sanvi.biz

652 ms

www.sanvi.biz

965 ms

www.sanvi.vn

1306 ms

style1.css

240 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 9% of them (3 requests) were addressed to the original Sanvi.biz, 74% (25 requests) were made to Sanvi.vn and 6% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Sanvi.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 816.9 kB (69%)

Content Size

1.2 MB

After Optimization

366.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sanvi.biz main page is 1.2 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.3 kB

  • Original 16.5 kB
  • After minification 12.6 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 23% 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 12.3 kB or 75% of the original size.

Image Optimization

-72%

Potential reduce by 800.6 kB

  • Original 1.1 MB
  • After minification 318.3 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, SAN VI needs image optimization as it can save up to 800.6 kB or 72% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 127 B

  • Original 42.8 kB
  • After minification 42.8 kB
  • After compression 42.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-77%

Potential reduce by 3.8 kB

  • Original 4.9 kB
  • After minification 3.8 kB
  • After compression 1.1 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. Sanvi.biz needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SAN VI. According to our analytics all requests are already optimized.

Network Requests Diagram

sanvi.biz

sanvi.biz

672 ms

www.sanvi.biz

www.sanvi.biz

652 ms

www.sanvi.biz

www.sanvi.biz

965 ms

www.sanvi.vn

www.sanvi.vn

1306 ms

style1.css

style1.css

240 ms

counter.js

counter.js

39 ms

ga.js

ga.js

41 ms

t.php

t.php

78 ms

activities.html

activities.html

259 ms

VietnamFlag.gif

VietnamFlag.gif

460 ms

border_shadow_r.jpg

border_shadow_r.jpg

495 ms

header2_bg.jpg

header2_bg.jpg

936 ms

logo.gif

logo.gif

707 ms

border_shadow_l.jpg

border_shadow_l.jpg

709 ms

header_bg.jpg

header_bg.jpg

1203 ms

qr_sample.png

qr_sample.png

713 ms

divider.png

divider.png

729 ms

counter.js

counter.js

39 ms

__utm.gif

__utm.gif

14 ms

text.php

text.php

56 ms

style.css

style.css

690 ms

YKKcolorcard800x620.jpg

YKKcolorcard800x620.jpg

474 ms

babysnap-colorcard_s.png

babysnap-colorcard_s.png

757 ms

colorcard22.png

colorcard22.png

1486 ms

top-2.png

top-2.png

493 ms

fastening_catalogue_cover_2016.png

fastening_catalogue_cover_2016.png

249 ms

AquaGuardSeries-s.jpg

AquaGuardSeries-s.jpg

727 ms

metaluxe.png

metaluxe.png

736 ms

catalogue-cover-jp-2004.png

catalogue-cover-jp-2004.png

719 ms

catalogue-cover-asian-2009.png

catalogue-cover-asian-2009.png

731 ms

ij4.png

ij4.png

972 ms

logo_diafeathers.png

logo_diafeathers.png

975 ms

diafeathers_s.png

diafeathers_s.png

1213 ms

5vy-da8vy-.jpg

5vy-da8vy-.jpg

992 ms

Accessibility Review

sanvi.biz accessibility score

73

Accessibility Issues

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

Form elements do not have associated labels

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

sanvi.biz 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

sanvi.biz SEO score

82

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sanvi.biz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Sanvi.biz 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

sanvi.biz

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