Access bluefan.vn. Quạt Thông Gió Công Nghiệp | Quạt BlueFan | Công Ty Tescom

Report Summary

About Website

Visit bluefan.vn now to see the best up-to-date Blue Fan content for Vietnam and also check out these interesting facts you probably never knew about bluefan.vn

Công ty Tescom Việt Nam chuyên sản xuất và cung cấp quạt thông gió công nghiệp. Thiết bị, hệ thống thông gió. Hotline: 0913767607. Email: contact@bluefan.vn

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

www.tescomco.com

90 ms

minified.js

38 ms

focus-within-polyfill.js

70 ms

polyfill.min.js

871 ms

thunderbolt-commons.45c6b033.bundle.min.js

54 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bluefan.vn, 28% (16 requests) were made to Static.parastorage.com and 21% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Static.wixstatic.com.

Content Size

1.4 MB

After Optimization

469.3 kB

In fact, the total size of Bluefan.vn main page is 1.4 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. 50% of websites need less resources to load. HTML takes 862.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 698.0 kB

Original 862.7 kB
After minification 861.0 kB
After compression 164.7 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 698.0 kB or 81% of the original size.

Image Optimization

-61%

Potential reduce by 99.5 kB

Original 163.4 kB
After minification 63.8 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, Blue Fan needs image optimization as it can save up to 99.5 kB or 61% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 98.0 kB

Original 338.8 kB
After minification 338.8 kB
After compression 240.8 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 98.0 kB or 29% of the original size.

Requests Now

After Optimization

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blue Fan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

VI
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bluefan.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Bluefan.vn 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

bluefan.vn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Quạt Thông Gió Công Nghiệp | Quạt BlueFan | Công Ty Tescom | Việt Nam

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)