Tools & Wizards About Us
bob.vn screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

bob.vn

Thiết bị y tế Hải Nam | Công ty thiết bị y tế hàng đầu Việt Nam

Page Load Speed

11.6 sec in total

First Response

530 ms

Resources Loaded

9.6 sec

Page Rendered

1.5 sec

bob.vn screenshot

About Website

Welcome to bob.vn homepage info - get ready to check Bob best content for Vietnam right away, or after learning these important things about bob.vn

Thiết bị y tế gia đình Hải Nam chuyên cung cấp các sản phẩm chăm sóc sức khỏe như máy đo huyết áp, máy đo đường huyết, nhiệt kế điện tử, máy xông mũi họng..

Visit bob.vn

Key Findings

We analyzed Bob.vn page load time and found that the first response time was 530 ms and then it took 11.1 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

bob.vn performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value6,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.699

7/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

bob.vn

530 ms

bob.vn

1223 ms

bootstrap.min.css

479 ms

font-awesome.min.css

712 ms

style.css

715 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 86% of them (94 requests) were addressed to the original Bob.vn, 4% (4 requests) were made to Static.addtoany.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Bob.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.0 kB (5%)

Content Size

4.5 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bob.vn main page is 4.5 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. 70% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 97.3 kB

  • Original 117.1 kB
  • After minification 117.0 kB
  • After compression 19.8 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 97.3 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 112.2 kB

  • Original 4.1 MB
  • After minification 4.0 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. Bob images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.3 kB

  • Original 165.7 kB
  • After minification 165.4 kB
  • After compression 161.4 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

-4%

Potential reduce by 2.2 kB

  • Original 48.9 kB
  • After minification 48.6 kB
  • After compression 46.7 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. Bob.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 49 (46%)

Requests Now

107

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bob. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bob.vn

bob.vn

530 ms

bob.vn

bob.vn

1223 ms

bootstrap.min.css

bootstrap.min.css

479 ms

font-awesome.min.css

font-awesome.min.css

712 ms

style.css

style.css

715 ms

style.min.css

style.min.css

724 ms

call-css.css

call-css.css

728 ms

postratings-css.css

postratings-css.css

738 ms

pagenavi-css.css

pagenavi-css.css

752 ms

jquery-ui-1.9.2.custom.min.css

jquery-ui-1.9.2.custom.min.css

946 ms

layout.css

layout.css

948 ms

jquery-ui.css

jquery-ui.css

971 ms

addtoany.min.css

addtoany.min.css

961 ms

jquery.min.js

jquery.min.js

1228 ms

jquery-migrate.min.js

jquery-migrate.min.js

1008 ms

addtoany.min.js

addtoany.min.js

1179 ms

jquery.ba-bbq.min.js

jquery.ba-bbq.min.js

1181 ms

jquery.scrolltab.js

jquery.scrolltab.js

1198 ms

core.min.js

core.min.js

1202 ms

tabs.min.js

tabs.min.js

1244 ms

accordion.min.js

accordion.min.js

1431 ms

controlgroup.min.js

controlgroup.min.js

1430 ms

checkboxradio.min.js

checkboxradio.min.js

1431 ms

button.min.js

button.min.js

1452 ms

jquery-unselectable.js

jquery-unselectable.js

1468 ms

mouse.min.js

mouse.min.js

1490 ms

slider.min.js

slider.min.js

1658 ms

base.js

base.js

1657 ms

custom.js

custom.js

1664 ms

jquery.min.js

jquery.min.js

1684 ms

bootstrap.min.js

bootstrap.min.js

1710 ms

slick.min.js

slick.min.js

1734 ms

jquery.jcarousel.js

jquery.jcarousel.js

1893 ms

slidebars.min.js

slidebars.min.js

1888 ms

main.min.js

main.min.js

1899 ms

postratings-js.js

postratings-js.js

1922 ms

wp-embed.min.js

wp-embed.min.js

1952 ms

conversion.js

conversion.js

80 ms

normalize.css

normalize.css

1279 ms

jcarousel.css

jcarousel.css

1419 ms

menu.css

menu.css

1431 ms

slick.css

slick.css

1432 ms

slidebars.min.css

slidebars.min.css

1445 ms

main.css

main.css

1480 ms

responsive.css

responsive.css

1501 ms

page.js

page.js

283 ms

bg_header.png

bg_header.png

575 ms

logo.png

logo.png

578 ms

bg_search.jpg

bg_search.jpg

574 ms

hotline.jpg

hotline.jpg

575 ms

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1222 ms

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1997 ms

img_slider.jpg

img_slider.jpg

2052 ms

bannertop.jpg

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1259 ms

bg_title.png

bg_title.png

1072 ms

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1774 ms

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1313 ms

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1758 ms

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3183 ms

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1572 ms

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2280 ms

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2395 ms

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1966 ms

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2202 ms

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2252 ms

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2528 ms

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4442 ms

coc-thuoc-may-xong-hut-mui-hong-ag-life-hibaby.png

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2507 ms

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2755 ms

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2864 ms

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2763 ms

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3004 ms

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3225 ms

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3012 ms

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3347 ms

nhiet-ke-dien-tu-microlife-mt500.png

nhiet-ke-dien-tu-microlife-mt500.png

3245 ms

dung-cu-ho-tro-thay-the-dau-mang-boc-nhiet-ke-omron.png

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3265 ms

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3891 ms

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3462 ms

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3482 ms

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3529 ms

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3390 ms

333 ms

analytics.js

analytics.js

257 ms

eso.e18d3993.js

eso.e18d3993.js

62 ms

sm.23.html

sm.23.html

504 ms

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3131 ms

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3154 ms

may-tro-thinh-phonak-ok-up.jpg

may-tro-thinh-phonak-ok-up.jpg

3192 ms

asset_composer.js

asset_composer.js

530 ms

may-do-duong-huyet-arkray-glucocard.png

may-do-duong-huyet-arkray-glucocard.png

3250 ms

icons.30.svg.js

icons.30.svg.js

333 ms

395 ms

collect

collect

137 ms

may-do-duong-huyet-omron-hgm-111_mg-new.jpg

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2836 ms

collect

collect

109 ms

1U2uvJFEig9l3bFKowLFFK3usOSE7FYQ

1U2uvJFEig9l3bFKowLFFK3usOSE7FYQ

218 ms

ga-audiences

ga-audiences

38 ms

may-tro-thinh-phonak-OK-M.jpg

may-tro-thinh-phonak-OK-M.jpg

2752 ms

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2777 ms

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2753 ms

widget_v2.334.js

widget_v2.334.js

74 ms

__$$__stringtable_lang_vi.js

__$$__stringtable_lang_vi.js

49 ms

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3821 ms

phone.png

phone.png

2404 ms

zalo.png

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2439 ms

fbms.png

fbms.png

2308 ms

top.png

top.png

2306 ms

rating_over.gif

rating_over.gif

2361 ms

Accessibility Review

bob.vn accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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 valid value for its [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

bob.vn best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bob.vn SEO score

97

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

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bob.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 Bob.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

bob.vn

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