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allserial.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

allserial.com

USBGear USB Charger Serial USB Adapter USB SERIAL USB Cable USB Hub USB SATA

Page Load Speed

3.3 sec in total

First Response

89 ms

Resources Loaded

2.9 sec

Page Rendered

305 ms

allserial.com screenshot

About Website

Welcome to allserial.com homepage info - get ready to check All Serial best content right away, or after learning these important things about allserial.com

Usbgear Offers everything USB 3.0 and 2.0 serial port usb hub chargers to Industrial USB Adapter .

Visit allserial.com

Key Findings

We analyzed Allserial.com page load time and found that the first response time was 89 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

allserial.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value2.132

0/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

allserial.com

89 ms

allserial.com

107 ms

www.usbgear.com

81 ms

require.js

31 ms

mixins.js

29 ms

Our browser made a total of 172 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Allserial.com, 89% (153 requests) were made to Usbgear.com and 3% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (778 ms) relates to the external source Usbgear.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.4 kB (38%)

Content Size

687.8 kB

After Optimization

425.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Allserial.com main page is 687.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 285.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 252.9 kB

  • Original 285.8 kB
  • After minification 284.8 kB
  • After compression 33.0 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 252.9 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 3.5 kB

  • Original 172.2 kB
  • After minification 168.7 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. All Serial images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 90.1 kB
  • After minification 90.1 kB
  • After compression 88.8 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

-3%

Potential reduce by 4.8 kB

  • Original 139.7 kB
  • After minification 137.4 kB
  • After compression 134.9 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. Allserial.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (40%)

Requests Now

42

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All Serial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

allserial.com

allserial.com

89 ms

allserial.com

allserial.com

107 ms

www.usbgear.com

www.usbgear.com

81 ms

require.js

require.js

31 ms

mixins.js

mixins.js

29 ms

requirejs-config.js

requirejs-config.js

26 ms

usbgear_view_0.js

usbgear_view_0.js

26 ms

usbgear_view_0_addition.js

usbgear_view_0_addition.js

60 ms

usbgear_view_0_history.js

usbgear_view_0_history.js

61 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

55 ms

usbgear_logoArtboard_16.png

usbgear_logoArtboard_16.png

51 ms

loader-1.gif

loader-1.gif

60 ms

coolgear-managed-hubs-banner.jpg

coolgear-managed-hubs-banner.jpg

41 ms

coolgear-chargeit-banner.jpg

coolgear-chargeit-banner.jpg

39 ms

gearmo-gm-ftdi4xc-banner.jpg

gearmo-gm-ftdi4xc-banner.jpg

41 ms

cablemax-cables-banner.jpg

cablemax-cables-banner.jpg

40 ms

cablemax_logo_banner.png

cablemax_logo_banner.png

60 ms

usbgear_popular_category_usbserial.jpg

usbgear_popular_category_usbserial.jpg

77 ms

usbgear_popular_category_usbcables.jpg

usbgear_popular_category_usbcables.jpg

74 ms

usbgear_popular_category_usbhubs.jpg

usbgear_popular_category_usbhubs.jpg

75 ms

usbgear_popular_category_usbchargers.jpg

usbgear_popular_category_usbchargers.jpg

94 ms

usbgear_payment_options.png

usbgear_payment_options.png

89 ms

usbgear_gear_grey.png

usbgear_gear_grey.png

90 ms

usbgear_plug_grey.png

usbgear_plug_grey.png

106 ms

font-awesome.min.css

font-awesome.min.css

51 ms

widget

widget

417 ms

main.js

main.js

13 ms

74494ab3a6180f4571fde6face9621b4.min.css

74494ab3a6180f4571fde6face9621b4.min.css

30 ms

styles-l.min.css

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23 ms

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131 ms

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opensans-600.woff

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246 ms

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372 ms

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372 ms

opensans-700.woff

opensans-700.woff

339 ms

normal.woff2

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358 ms

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249 ms

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355 ms

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287 ms

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website

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191 ms

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536 ms

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749 ms

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778 ms

floatbutton1_0uA5KIDjSJBNGPeiRDI3YtNcjWJ9mZsPq48NM5iMzp7_jWYVkIHbMtgrDX_xil60_.css

floatbutton1_0uA5KIDjSJBNGPeiRDI3YtNcjWJ9mZsPq48NM5iMzp7_jWYVkIHbMtgrDX_xil60_.css

101 ms

floatbutton1_NAsTSepMNDAgM8PxkmTOcA7YC5Ks66EegsghUDrcHjfnqxJ_NKkxLbN9cvkZWi3D_.js

floatbutton1_NAsTSepMNDAgM8PxkmTOcA7YC5Ks66EegsghUDrcHjfnqxJ_NKkxLbN9cvkZWi3D_.js

150 ms

italic.woff2

italic.woff2

729 ms

watch

watch

461 ms

italic.woff2

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759 ms

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749 ms

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744 ms

porto-icons.woff

porto-icons.woff

634 ms

siq_mpWsf52LIPg9mU40fjRdjF6WMUs-Q0VNu4KH07GkhNZGQTRxW2eRyFJLAq9VKCYB_.ttf

siq_mpWsf52LIPg9mU40fjRdjF6WMUs-Q0VNu4KH07GkhNZGQTRxW2eRyFJLAq9VKCYB_.ttf

22 ms

bind

bind

320 ms

bind

bind

339 ms

print.min.css

print.min.css

16 ms

bootstrap.optimized.min.css

bootstrap.optimized.min.css

32 ms

animate.optimized.css

animate.optimized.css

35 ms

type25.css

type25.css

19 ms

custom.css

custom.css

28 ms

boxed_bg.png

boxed_bg.png

70 ms

bind

bind

270 ms

design_usbgear_view.css

design_usbgear_view.css

35 ms

settings_usbgear_view.css

settings_usbgear_view.css

63 ms

css

css

108 ms

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65 ms

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Accessibility Review

allserial.com accessibility score

62

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

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>).

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

allserial.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

allserial.com SEO score

85

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

allserial.com

Open Graph description is not detected on the main page of All Serial. 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: