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name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

bidimark.com

3030 ms

home.aspx

1181 ms

qnn.css

529 ms

qnntab.css

515 ms

AC_RunActiveContent.js

523 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 90% of them (65 requests) were addressed to the original Bidimark.com, 6% (4 requests) were made to Pagead2.googlesyndication.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Bidimark.com.

Content Size

181.0 kB

After Optimization

87.6 kB

In fact, the total size of Bidimark.com main page is 181.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. HTML takes 80.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 69.7 kB

Original 80.7 kB
After minification 63.2 kB
After compression 11.0 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. This page needs HTML code to be minified as it can gain 17.5 kB, which is 22% 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 69.7 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 49.5 kB
After minification 49.5 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. Bidimark images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 13.0 kB

Original 38.0 kB
After minification 32.9 kB
After compression 25.1 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 13.0 kB or 34% of the original size.

CSS Optimization

-84%

Potential reduce by 10.8 kB

Original 12.8 kB
After minification 10.2 kB
After compression 2.0 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. Bidimark.com needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bidimark. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

High

Document uses plugins

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 Bidimark.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 Bidimark.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

bidimark.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

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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)

Network Requests Diagram

bidimark.com

home.aspx

qnn.css

qnntab.css

AC_RunActiveContent.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

bidimark.com

home.aspx

qnn.css

qnntab.css

AC_RunActiveContent.js

date.js

weather_bd.js

ajaxpagefetcher.js

tooltip.css

tooltip.js

show_ads.js

qcLR.js

urchin.js

bdm-bg.gif

loading.gif

bidi.gif

qcdatviet.gif

danhmuc.gif

star.gif

tincanbiet.gif

icon_loto.gif

icon_dollar.gif

goldIcon.gif

TV_Icon.gif

air.gif

thugian2.jpg

mail.gif

qc6.gif

sivc.jpg

svbd.gif

71108113648.gif

svqn.gif

bn3h.gif

tb3.jpg

tb2.jpg

tb4.jpg

tb1.jpg

Bn4h.gif

thanhvien.gif

battery.jpg

HTC-XL-2_cc4fc.JPG

lytro2.jpg

iPhone_4S_d.jpg