Tools & Wizards About Us
b2bscrews.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

b2bscrews.com

Screw :B2BManufactures.com: Reliable Taiwan and China Screw Manufacturers

Page Load Speed

7.2 sec in total

First Response

695 ms

Resources Loaded

5.4 sec

Page Rendered

1.2 sec

b2bscrews.com screenshot

About Website

Click here to check amazing B2b Screw S content. Otherwise, check out these important facts you probably never knew about b2bscrews.com

Listing of Taiwan & China {Screw} manufacturer & suppliers. All qualify products of screw manufacturer made in China & Taiwan, connecting reliable Chinese manufacturers, suppliers, exporters, factorie...

Visit b2bscrews.com

Key Findings

We analyzed B2bscrews.com page load time and found that the first response time was 695 ms and then it took 6.5 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

b2bscrews.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value5,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

b2bscrews.com

695 ms

Taiwan-Screw-Manufacturers.html

810 ms

bootstrap.min.css

401 ms

font-awesome.min.css

412 ms

docs.min.css

437 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original B2bscrews.com, 29% (28 requests) were made to Chinavendors.com and 25% (24 requests) were made to Manufacturers.com.tw. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Chinavendors.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.9 kB (32%)

Content Size

446.5 kB

After Optimization

305.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of B2bscrews.com main page is 446.5 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. 40% of websites need less resources to load. Javascripts take 150.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 124.1 kB

  • Original 143.5 kB
  • After minification 120.7 kB
  • After compression 19.5 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 22.8 kB, which is 16% 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 124.1 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 2.1 kB

  • Original 118.6 kB
  • After minification 116.5 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. B2b Screw S images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 13.5 kB

  • Original 150.8 kB
  • After minification 150.3 kB
  • After compression 137.4 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 1.3 kB

  • Original 33.6 kB
  • After minification 33.6 kB
  • After compression 32.3 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. B2bscrews.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (35%)

Requests Now

93

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B2b Screw S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

b2bscrews.com

b2bscrews.com

695 ms

Taiwan-Screw-Manufacturers.html

Taiwan-Screw-Manufacturers.html

810 ms

bootstrap.min.css

bootstrap.min.css

401 ms

font-awesome.min.css

font-awesome.min.css

412 ms

docs.min.css

docs.min.css

437 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

20 ms

bootstrap.min.js

bootstrap.min.js

47 ms

no-more-tables.css

no-more-tables.css

409 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

517 ms

slick.css

slick.css

528 ms

slick.js

slick.js

609 ms

bootstrap-multiselect.js

bootstrap-multiselect.js

601 ms

bootstrap-multiselect.css

bootstrap-multiselect.css

614 ms

style.css

style.css

598 ms

r_scripts.js

r_scripts.js

600 ms

r_tools.js

r_tools.js

797 ms

gdpr.js

gdpr.js

875 ms

gdpr.init.js

gdpr.init.js

872 ms

skype.php

skype.php

1061 ms

skype.php

skype.php

1070 ms

r_show_inqbasket.js

r_show_inqbasket.js

614 ms

element.js

element.js

105 ms

async-ads.js

async-ads.js

27 ms

7238.gif

7238.gif

398 ms

weld-screws-0000037523-S.jpg

weld-screws-0000037523-S.jpg

1171 ms

b2bmanufactures_logo.gif

b2bmanufactures_logo.gif

202 ms

golden.gif

golden.gif

200 ms

dnb.gif

dnb.gif

201 ms

video.gif

video.gif

200 ms

3456.gif

3456.gif

403 ms

8100.gif

8100.gif

398 ms

6916.gif

6916.gif

397 ms

5874.gif

5874.gif

396 ms

9659.gif

9659.gif

399 ms

9608.gif

9608.gif

561 ms

6050.gif

6050.gif

599 ms

9492.gif

9492.gif

599 ms

9650.gif

9650.gif

589 ms

9432.gif

9432.gif

597 ms

1260.gif

1260.gif

599 ms

SUCOOT.gif

SUCOOT.gif

794 ms

1439.gif

1439.gif

798 ms

2873.gif

2873.gif

800 ms

9494_1.gif

9494_1.gif

798 ms

9583.gif

9583.gif

837 ms

8756.gif

8756.gif

836 ms

4421.gif

4421.gif

981 ms

0037376.gif

0037376.gif

982 ms

self-drilling-screw-0000081026-S.jpg

self-drilling-screw-0000081026-S.jpg

1138 ms

s-Machine-Screw-1379243587502.jpg

s-Machine-Screw-1379243587502.jpg

1130 ms

flat-head-self-tapping-screw-0000078836-S.jpg

flat-head-self-tapping-screw-0000078836-S.jpg

1138 ms

self-drill-tek-screw-0000069185-S.jpg

self-drill-tek-screw-0000069185-S.jpg

1138 ms

pan-head-self-drilling-screw-0000078831-S.jpg

pan-head-self-drilling-screw-0000078831-S.jpg

1137 ms

s-Vacuum-Feeding-System-Single-Screw-Extruder-1655090375374.jpg

s-Vacuum-Feeding-System-Single-Screw-Extruder-1655090375374.jpg

1400 ms

s-SCREW-DRIVER-SD-04WB-1470973285068.jpg

s-SCREW-DRIVER-SD-04WB-1470973285068.jpg

1679 ms

s-Micro-screw-1520233644898.jpg

s-Micro-screw-1520233644898.jpg

1415 ms

titanium-screws-0000076204-S.jpg

titanium-screws-0000076204-S.jpg

1414 ms

special-screws-0000012858-S.jpg

special-screws-0000012858-S.jpg

1414 ms

unstandard-screws-0000032124-S.jpg

unstandard-screws-0000032124-S.jpg

1398 ms

customization-screw-0000093220-S.jpg

customization-screw-0000093220-S.jpg

2016 ms

collated-screws-0000077707-S.jpg

collated-screws-0000077707-S.jpg

2022 ms

socket-set-screw-0000069180-S.jpg

socket-set-screw-0000069180-S.jpg

2006 ms

adjust-screw-0000071157-S.jpg

adjust-screw-0000071157-S.jpg

2004 ms

stainless-steel-screws-0000069186-S.jpg

stainless-steel-screws-0000069186-S.jpg

2004 ms

sems-screw-0000069178-S.jpg

sems-screw-0000069178-S.jpg

2006 ms

s-injection-screw-1357097836112.jpg

s-injection-screw-1357097836112.jpg

2246 ms

p-head-screw-0000093164-S.jpg

p-head-screw-0000093164-S.jpg

2215 ms

machine-screw-0000062692-S.jpg

machine-screw-0000062692-S.jpg

2618 ms

bi-metal-screw-0000062480-S.jpg

bi-metal-screw-0000062480-S.jpg

2618 ms

wafer-head-0000026698-S.jpg

wafer-head-0000026698-S.jpg

2620 ms

sems-screw-0000103583-S.jpg

sems-screw-0000103583-S.jpg

2620 ms

special-screws-0000037677-S.jpg

special-screws-0000037677-S.jpg

2621 ms

masonry-screw-0000013185-S.jpg

masonry-screw-0000013185-S.jpg

2620 ms

s-euro-screw-1343270576078.jpg

s-euro-screw-1343270576078.jpg

2646 ms

sems-screw-0000062691-S.jpg

sems-screw-0000062691-S.jpg

2645 ms

adjs.php

adjs.php

622 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

393 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1502 ms

vip-bg.jpg

vip-bg.jpg

355 ms

skypeme_off.gif

skypeme_off.gif

200 ms

adjs.php

adjs.php

229 ms

cookie.js

cookie.js

265 ms

iframe.html

iframe.html

664 ms

ads

ads

890 ms

ajax-loader.gif

ajax-loader.gif

200 ms

async-ads.js

async-ads.js

27 ms

faviconV2

faviconV2

230 ms

faviconV2

faviconV2

251 ms

faviconV2

faviconV2

239 ms

faviconV2

faviconV2

187 ms

faviconV2

faviconV2

114 ms

sr-star-off.png

sr-star-off.png

114 ms

sr-star-on-gray.png

sr-star-on-gray.png

73 ms

tarteaucitron.css

tarteaucitron.css

200 ms

tarteaucitron.en.js

tarteaucitron.en.js

261 ms

Accessibility Review

b2bscrews.com accessibility score

71

Accessibility Issues

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

Buttons do not have an accessible name

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

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.

Best Practices

b2bscrews.com 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

b2bscrews.com SEO score

75

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 uses 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 B2bscrews.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 B2bscrews.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

b2bscrews.com

Open Graph description is not detected on the main page of B2b Screw S. 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: