Tools & Wizards About Us
hzblueskyglass.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

hzblueskyglass.com

Safety Glass Manufacturers, Commercial Glass Suppliers

Page Load Speed

6.7 sec in total

First Response

402 ms

Resources Loaded

5.9 sec

Page Rendered

399 ms

hzblueskyglass.com screenshot

About Website

Welcome to hzblueskyglass.com homepage info - get ready to check Hzbluesky Glass best content right away, or after learning these important things about hzblueskyglass.com

Hangzhou Blue-Sky Safety Glass Co., Ltd. is China Safety Glass Manufacturers and Suppliers, Custom glass for public, commercial and residential buildings

Visit hzblueskyglass.com

Key Findings

We analyzed Hzblueskyglass.com page load time and found that the first response time was 402 ms and then it took 6.3 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

hzblueskyglass.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.63

9/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

www.hzblueskyglass.com

402 ms

445 ms

458 ms

index_js.js

356 ms

layer.js

351 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 97% of them (71 requests) were addressed to the original Hzblueskyglass.com, 1% (1 request) were made to Hqcdn.hqsmartcloud.com and 1% (1 request) were made to Supertest.hqsmartcloud.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Hzblueskyglass.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 466.8 kB (53%)

Content Size

879.5 kB

After Optimization

412.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hzblueskyglass.com main page is 879.5 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. 70% of websites need less resources to load. HTML takes 480.2 kB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 456.5 kB

  • Original 480.2 kB
  • After minification 470.0 kB
  • After compression 23.7 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 456.5 kB or 95% of the original size.

Image Optimization

-3%

Potential reduce by 9.9 kB

  • Original 369.1 kB
  • After minification 359.2 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. Hzbluesky Glass images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 248 B

  • Original 24.4 kB
  • After minification 24.4 kB
  • After compression 24.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 60 B

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 5.7 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. Hzblueskyglass.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (13%)

Requests Now

32

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hzbluesky Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.hzblueskyglass.com

www.hzblueskyglass.com

402 ms

445 ms

458 ms

index_js.js

index_js.js

356 ms

layer.js

layer.js

351 ms

email-decode.min.js

email-decode.min.js

22 ms

logo.png

logo.png

330 ms

en.jpg

en.jpg

335 ms

es.jpg

es.jpg

338 ms

language.png

language.png

378 ms

icon-search-white.png

icon-search-white.png

358 ms

banner2-1.jpg

banner2-1.jpg

455 ms

banner3-1.jpg

banner3-1.jpg

778 ms

digital-printed-glass.jpg

digital-printed-glass.jpg

688 ms

tempered-glass-1.jpg

tempered-glass-1.jpg

677 ms

insulated-glass.jpg

insulated-glass.jpg

715 ms

laminated-glass.jpg

laminated-glass.jpg

720 ms

shower-screen-&-door.jpg

shower-screen-&-door.jpg

830 ms

heat-soaked-glass.jpg

heat-soaked-glass.jpg

1037 ms

heat-strengthened-glass.jpg

heat-strengthened-glass.jpg

1015 ms

screen-printed-glass.jpg

screen-printed-glass.jpg

1052 ms

icon-play.png

icon-play.png

1050 ms

play.png

play.png

1108 ms

about-img_03.jpg

about-img_03.jpg

1335 ms

3mm-19mmhighqualitydigitalprintedglass.png

3mm-19mmhighqualitydigitalprintedglass.png

1509 ms

ceramicfrittedprintedglass.png

ceramicfrittedprintedglass.png

1313 ms

commercialcenteruseddigitalprintedglass.png

commercialcenteruseddigitalprintedglass.png

1626 ms

digitalprintedglass3.png

digitalprintedglass3.png

1603 ms

museuamdecorationuseddigitalprintedglass.png

museuamdecorationuseddigitalprintedglass.png

1660 ms

acidetchedtemperedglass-2.png

acidetchedtemperedglass-2.png

1858 ms

browntintedtemperedglass.png

browntintedtemperedglass.png

1834 ms

greytintedtemperedglass.png

greytintedtemperedglass.png

2017 ms

lowirontemperedglass.png

lowirontemperedglass.png

2156 ms

temperedshowerglass.png

temperedshowerglass.png

2085 ms

ultracleartemperedglass.png

ultracleartemperedglass.png

2117 ms

energy-saving-insulated-glass.jpg

energy-saving-insulated-glass.jpg

2245 ms

insulatedglassforcurtainwall.png

insulatedglassforcurtainwall.png

2357 ms

insulated-glass-for-partition-wall.jpg

insulated-glass-for-partition-wall.jpg

2398 ms

low-e-insulated-glass.jpg

low-e-insulated-glass.jpg

2421 ms

roofskylightinsulatedglass.png

roofskylightinsulatedglass.png

2621 ms

6+68+810+10laminatedglass.png

6+68+810+10laminatedglass.png

2705 ms

colorfullaminatedglass.png

colorfullaminatedglass.png

3354 ms

layer.css

layer.css

2360 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

3033 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3030 ms

Roboto-Bold.ttf

Roboto-Bold.ttf

3010 ms

application7.jpg

application7.jpg

2991 ms

application2.jpg

application2.jpg

2992 ms

application8.jpg

application8.jpg

2772 ms

application9.jpg

application9.jpg

2761 ms

application1.jpg

application1.jpg

2734 ms

application6.jpg

application6.jpg

2787 ms

application5.jpg

application5.jpg

2752 ms

application4.jpg

application4.jpg

2990 ms

home-icon1.png

home-icon1.png

2691 ms

circle.png

circle.png

2438 ms

home-icon2.png

home-icon2.png

2672 ms

home-icon3.png

home-icon3.png

2731 ms

home-icon4.png

home-icon4.png

2730 ms

icon5.png

icon5.png

2569 ms

Technical-Support.svg

Technical-Support.svg

2708 ms

cat-img.jpg

cat-img.jpg

2356 ms

line.png

line.png

2518 ms

f-contact_02.jpg

f-contact_02.jpg

2525 ms

matomo.js

matomo.js

741 ms

Technical-Support.svg

Technical-Support.svg

1469 ms

layer.css

layer.css

1494 ms

b-left.png

b-left.png

856 ms

b-right.png

b-right.png

1017 ms

btn-right.png

btn-right.png

1099 ms

btn-l.png

btn-l.png

1144 ms

btn-r.png

btn-r.png

1184 ms

matomo.php

matomo.php

1321 ms

Accessibility Review

hzblueskyglass.com accessibility score

82

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.

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

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

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

hzblueskyglass.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

hzblueskyglass.com SEO score

85

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    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 Hzblueskyglass.com 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 Hzblueskyglass.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

hzblueskyglass.com

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