Tools & Wizards About Us
sienta-pcb.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 65

    SEO

    Google-friendlier than
    25% of websites

sienta-pcb.com

Sienta-PCB: Professional PCB & PCBA Manufacturer, Supplier in Shenzhen, China

Page Load Speed

9.4 sec in total

First Response

1.9 sec

Resources Loaded

6.4 sec

Page Rendered

1.2 sec

sienta-pcb.com screenshot

About Website

Visit sienta-pcb.com now to see the best up-to-date Sienta PCB content and also check out these interesting facts you probably never knew about sienta-pcb.com

Sienta-PCB: Professional PCB and PCBA manufacturer and supplier in Shenzhen, China, we provide high quality PCB customization service, welcome to contact us for better service and wholesale price!

Visit sienta-pcb.com

Key Findings

We analyzed Sienta-pcb.com page load time and found that the first response time was 1.9 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sienta-pcb.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.379

27/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

sienta-pcb.com

1870 ms

style.css

205 ms

jquery-1.9.1.min.js

262 ms

swiper.min.js

261 ms

jquery.countup.min.js

281 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 80% of them (52 requests) were addressed to the original Sienta-pcb.com, 11% (7 requests) were made to Www14c1.53kf.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Sienta-pcb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.7 kB (20%)

Content Size

512.0 kB

After Optimization

408.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sienta-pcb.com main page is 512.0 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. 50% of websites need less resources to load. Images take 260.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 84.8 kB

  • Original 110.2 kB
  • After minification 95.4 kB
  • After compression 25.5 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 14.8 kB, which is 13% 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 84.8 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 9.2 kB

  • Original 260.4 kB
  • After minification 251.2 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. Sienta PCB images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 9.3 kB

  • Original 129.1 kB
  • After minification 128.1 kB
  • After compression 119.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 496 B

  • Original 12.3 kB
  • After minification 12.3 kB
  • After compression 11.8 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. Sienta-pcb.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (47%)

Requests Now

58

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sienta PCB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sienta-pcb.com

sienta-pcb.com

1870 ms

style.css

style.css

205 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

262 ms

swiper.min.js

swiper.min.js

261 ms

jquery.countup.min.js

jquery.countup.min.js

281 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

257 ms

wow.min.js

wow.min.js

257 ms

public.js

public.js

361 ms

style.js

style.js

335 ms

jquery.form.js

jquery.form.js

447 ms

layer.js

layer.js

397 ms

php.js

php.js

399 ms

jquery.lazyload.js

jquery.lazyload.js

401 ms

hm.js

hm.js

1448 ms

gtm.js

gtm.js

161 ms

logo2.png

logo2.png

492 ms

logo1.png

logo1.png

505 ms

nav_icon.svg

nav_icon.svg

351 ms

search.svg

search.svg

353 ms

index_banner_icon.png

index_banner_icon.png

356 ms

647446f62e684.webp

647446f62e684.webp

474 ms

index_banner_right.png

index_banner_right.png

546 ms

index_banner_left.png

index_banner_left.png

559 ms

index_about_bg.webp

index_about_bg.webp

569 ms

index_application_bg.webp

index_application_bg.webp

611 ms

footer_leave_bg.webp

footer_leave_bg.webp

908 ms

uploadFile.png

uploadFile.png

681 ms

captcha

captcha

855 ms

footer_send_ico.png

footer_send_ico.png

699 ms

667d0e0257f45.png

667d0e0257f45.png

873 ms

captcha

captcha

907 ms

Prompt-Regular.ttf

Prompt-Regular.ttf

970 ms

3

3

1318 ms

Prompt-ExtraBold.ttf

Prompt-ExtraBold.ttf

920 ms

Montserrat-Black.ttf

Montserrat-Black.ttf

1151 ms

Prompt-SemiBold.ttf

Prompt-SemiBold.ttf

1146 ms

Prompt-Light.ttf

Prompt-Light.ttf

1168 ms

Prompt-Medium.ttf

Prompt-Medium.ttf

1230 ms

layer.css

layer.css

857 ms

index_product_img.webp

index_product_img.webp

272 ms

654999dcee621.webp

654999dcee621.webp

1097 ms

65499a717973c.webp

65499a717973c.webp

1547 ms

65499a80c73d1.webp

65499a80c73d1.webp

1339 ms

1.png

1.png

147 ms

2.png

2.png

226 ms

5.png

5.png

292 ms

6.png

6.png

369 ms

7.png

7.png

458 ms

8.png

8.png

437 ms

sendacc.jsp

sendacc.jsp

563 ms

mobile_icon_72445091_3.js

mobile_icon_72445091_3.js

917 ms

mobile_invite_default.js

mobile_invite_default.js

931 ms

assign_worker_default.js

assign_worker_default.js

1006 ms

mobile_chat_72445091_3.js

mobile_chat_72445091_3.js

1134 ms

kf_new.php

kf_new.php

1184 ms

hm.gif

hm.gif

322 ms

index_product_img.webp

index_product_img.webp

369 ms

index_product_img.webp

index_product_img.webp

278 ms

654999dcee621.webp

654999dcee621.webp

419 ms

65499a80c73d1.webp

65499a80c73d1.webp

418 ms

kf_ivt_new.php

kf_ivt_new.php

468 ms

65499a717973c.webp

65499a717973c.webp

913 ms

65499a80c73d1.webp

65499a80c73d1.webp

428 ms

HsDnZc_1675670075_2023-02-06.jpg

HsDnZc_1675670075_2023-02-06.jpg

1228 ms

jquery-1.4.2.flp.js

jquery-1.4.2.flp.js

453 ms

Accessibility Review

sienta-pcb.com accessibility score

73

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

sienta-pcb.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

High

Page has valid source maps

SEO Factors

sienta-pcb.com SEO score

65

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

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

sienta-pcb.com

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