Tools & Wizards About Us
colombo.vn screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

colombo.vn

Colombo.vn - Dịch vụ thiết kế website chuyên nghiệp

Page Load Speed

34.7 sec in total

First Response

1.6 sec

Resources Loaded

32.3 sec

Page Rendered

832 ms

colombo.vn screenshot

About Website

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

Công ty thiết kế website được thành lập trên 10 năm, đã xây dựng hàng chục nghìn website giới thiệu doanh nghiệp, bán hàng trực tuyến, trường học, bệnh viện, cơ quan nhà nước

Visit colombo.vn

Key Findings

We analyzed Colombo.vn page load time and found that the first response time was 1.6 sec and then it took 33.1 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

colombo.vn performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.607

10/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

colombo.vn

1648 ms

style.css

2517 ms

conversion.js

60 ms

lib-1.447.min.js

6210 ms

font-awesome.min.css

632 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 92% of them (83 requests) were addressed to the original Colombo.vn, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Colombo.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 674.1 kB (25%)

Content Size

2.7 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Colombo.vn main page is 2.7 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. 40% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 39.7 kB

  • Original 50.6 kB
  • After minification 50.6 kB
  • After compression 10.9 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 39.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 7.1 kB

  • Original 1.8 MB
  • After minification 1.8 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. Colombo images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 117.8 kB

  • Original 218.6 kB
  • After minification 216.9 kB
  • After compression 100.8 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 117.8 kB or 54% of the original size.

CSS Optimization

-85%

Potential reduce by 509.5 kB

  • Original 597.7 kB
  • After minification 595.0 kB
  • After compression 88.2 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. Colombo.vn needs all CSS files to be minified and compressed as it can save up to 509.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (27%)

Requests Now

85

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colombo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

colombo.vn

colombo.vn

1648 ms

style.css

style.css

2517 ms

conversion.js

conversion.js

60 ms

lib-1.447.min.js

lib-1.447.min.js

6210 ms

font-awesome.min.css

font-awesome.min.css

632 ms

animate.min.css

animate.min.css

629 ms

hover-min.css

hover-min.css

634 ms

analytics.js

analytics.js

106 ms

chatbutton_16px.png

chatbutton_16px.png

152 ms

141103031513116logo_colombo.jpg

141103031513116logo_colombo.jpg

1844 ms

1.jpg

1.jpg

5409 ms

slide-3.jpg

slide-3.jpg

3012 ms

2.jpg

2.jpg

4366 ms

slide-4.jpg

slide-4.jpg

9193 ms

icon_doanhnghiep.png

icon_doanhnghiep.png

2130 ms

icon_doanhnghiepHover.png

icon_doanhnghiepHover.png

3339 ms

icon_fashion.png

icon_fashion.png

3313 ms

icon_fashionHover.png

icon_fashionHover.png

3611 ms

icon_tmdt.png

icon_tmdt.png

3648 ms

icon_tmdtHover.png

icon_tmdtHover.png

3903 ms

icon_food.png

icon_food.png

3969 ms

icon_foodHover.png

icon_foodHover.png

4343 ms

icon_tintuc.png

icon_tintuc.png

4346 ms

icon_tintucHover.png

icon_tintucHover.png

4462 ms

icon_bds.png

icon_bds.png

4471 ms

icon_bdsHover.png

icon_bdsHover.png

4507 ms

icon_khac.png

icon_khac.png

4559 ms

icon_khacHover.png

icon_khacHover.png

4766 ms

2016-04-06_115122.jpg

2016-04-06_115122.jpg

5991 ms

screencapture-demonoithat1-colombovn-com-1460110243507.png

screencapture-demonoithat1-colombovn-com-1460110243507.png

6016 ms

screencapture-rausach-colombovn-com-145812549514678.png

screencapture-rausach-colombovn-com-145812549514678.png

6648 ms

luxury.jpg

luxury.jpg

6264 ms

intienphat.webhiendai.jpg

intienphat.webhiendai.jpg

6338 ms

screencapture-mau4-colombovn-com-1457942573040.png

screencapture-mau4-colombovn-com-1457942573040.png

7469 ms

demo4.png

demo4.png

6977 ms

2016-02-19_140434.jpg

2016-02-19_140434.jpg

7779 ms

thietkenamcuong.webhiendai.jpg

thietkenamcuong.webhiendai.jpg

7526 ms

thiet-ke-website-cong-ty-quang-cao.jpg

thiet-ke-website-cong-ty-quang-cao.jpg

7814 ms

websitecuahangbanh.jpg

websitecuahangbanh.jpg

8140 ms

bakery.png

bakery.png

9837 ms

banhang_online.png

banhang_online.png

8140 ms

phan_mem.png

phan_mem.png

8109 ms

grab1447324238grab1447139146grab1447042676grab1447041066grab1447037683logo_vt61.png

grab1447324238grab1447139146grab1447042676grab1447041066grab1447037683logo_vt61.png

8147 ms

grab1447118731grab1447056655grab1447038762grab1447038347logo.png

grab1447118731grab1447056655grab1447038762grab1447038347logo.png

8394 ms

collect

collect

95 ms

116 ms

ga-audiences

ga-audiences

60 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

7526 ms

grab1447118895grab1447118866grab1447118785grab1447052478grab1447038705grab1447038655main_logo.png

grab1447118895grab1447118866grab1447118785grab1447052478grab1447038705grab1447038655main_logo.png

6384 ms

grab1447039239grab144703918113195348581382403271Logo_HoiDLVN.jpg

grab1447039239grab144703918113195348581382403271Logo_HoiDLVN.jpg

5518 ms

grab144705303513146780761440388322NLNT10_03.png

grab144705303513146780761440388322NLNT10_03.png

5440 ms

grab1447063807grab1447056355log_hpenew.png

grab1447063807grab1447056355log_hpenew.png

5455 ms

grab1447058455logo_catba36.png

grab1447058455logo_catba36.png

5182 ms

monre.jpg

monre.jpg

5393 ms

grab1447058864grab1447058824logo_mevabe.png

grab1447058864grab1447058824logo_mevabe.png

5191 ms

grab1447119055logo_lotabi.png

grab1447119055logo_lotabi.png

5123 ms

style.css

style.css

5127 ms

positionInside.js

positionInside.js

5089 ms

wowslider.js

wowslider.js

5505 ms

grab1447119825logo.png

grab1447119825logo.png

5173 ms

grab1447231474logo_3th2.jpg

grab1447231474logo_3th2.jpg

5165 ms

grab1447120115grab1447062693grab1447062579newlogo.png

grab1447120115grab1447062693grab1447062579newlogo.png

5129 ms

grab1447060881grab1447060759logovhv.png

grab1447060881grab1447060759logovhv.png

5080 ms

grab1447060095logo99.png

grab1447060095logo99.png

5104 ms

grab1447316428Untitled2.png

grab1447316428Untitled2.png

4570 ms

logo_bac%20trung%20nam.png

logo_bac%20trung%20nam.png

3973 ms

logonhuaduongasean%20(1)3464.png

logonhuaduongasean%20(1)3464.png

3963 ms

icon_all.png

icon_all.png

3859 ms

bg-macbook.png

bg-macbook.png

5138 ms

2016-04-06_115122.jpg

2016-04-06_115122.jpg

5732 ms

screencapture-demonoithat1-colombovn-com-1460110243507.png

screencapture-demonoithat1-colombovn-com-1460110243507.png

6163 ms

screencapture-rausach-colombovn-com-145812549514678.png

screencapture-rausach-colombovn-com-145812549514678.png

4306 ms

luxury.jpg

luxury.jpg

4755 ms

intienphat.webhiendai.jpg

intienphat.webhiendai.jpg

4583 ms

screencapture-mau4-colombovn-com-1457942573040.png

screencapture-mau4-colombovn-com-1457942573040.png

6583 ms

demo4.png

demo4.png

7484 ms

2016-02-19_140434.jpg

2016-02-19_140434.jpg

8855 ms

thietkenamcuong.webhiendai.jpg

thietkenamcuong.webhiendai.jpg

6879 ms

thiet-ke-website-cong-ty-quang-cao.jpg

thiet-ke-website-cong-ty-quang-cao.jpg

7373 ms

websitecuahangbanh.jpg

websitecuahangbanh.jpg

7339 ms

bakery.png

bakery.png

20070 ms

bg-support_top.png

bg-support_top.png

6836 ms

bg-support_x.png

bg-support_x.png

6885 ms

close.png

close.png

7104 ms

open.png

open.png

7117 ms

css

css

58 ms

bullet.png

bullet.png

6313 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

9049 ms

script.js

script.js

6350 ms

arrows.png

arrows.png

360 ms

Accessibility Review

colombo.vn accessibility score

69

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

colombo.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

SEO Factors

colombo.vn SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    VI

  • Encoding

    UTF-8

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

colombo.vn

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