Tools & Wizards About Us
51tra.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

51tra.com

51找翻译 - 语言服务平台(找兼职语言工作,找专业语言人才,找专业语言需求机构)

Page Load Speed

7.9 sec in total

First Response

654 ms

Resources Loaded

7 sec

Page Rendered

237 ms

51tra.com screenshot

About Website

Click here to check amazing 51 Tra content for China. Otherwise, check out these important facts you probably never knew about 51tra.com

语言服务平台 翻译,日语翻译,英语翻译,翻译公司,小语种翻译,专利翻译,找翻译,找译员,兼职翻译,兼职工作

Visit 51tra.com

Key Findings

We analyzed 51tra.com page load time and found that the first response time was 654 ms and then it took 7.3 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

51tra.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

40/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

51tra.com

654 ms

www.51tra.com

787 ms

51trans.css

408 ms

my.css

384 ms

jcarousel.connected-carousels-big.css

398 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 57% of them (16 requests) were addressed to the original 51tra.com, 25% (7 requests) were made to Img.51tra.com and 11% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain 51tra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.4 kB (12%)

Content Size

925.4 kB

After Optimization

812.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51tra.com main page is 925.4 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. 30% of websites need less resources to load. Images take 722.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 19.5 kB

  • Original 23.8 kB
  • After minification 14.2 kB
  • After compression 4.3 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 9.6 kB, which is 40% 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 19.5 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 16.8 kB

  • Original 722.7 kB
  • After minification 705.9 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. 51 Tra images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 65.8 kB

  • Original 143.8 kB
  • After minification 143.7 kB
  • After compression 78.0 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 65.8 kB or 46% of the original size.

CSS Optimization

-32%

Potential reduce by 11.3 kB

  • Original 35.1 kB
  • After minification 35.1 kB
  • After compression 23.8 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. 51tra.com needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (28%)

Requests Now

25

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Tra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

51tra.com

51tra.com

654 ms

www.51tra.com

www.51tra.com

787 ms

51trans.css

51trans.css

408 ms

my.css

my.css

384 ms

jcarousel.connected-carousels-big.css

jcarousel.connected-carousels-big.css

398 ms

bG9nb3wzODU0NA==.png

bG9nb3wzODU0NA==.png

920 ms

jquery-1.10.2.js

jquery-1.10.2.js

1002 ms

51trans.js

51trans.js

478 ms

common.js

common.js

479 ms

index.js

index.js

571 ms

jquery.jcarousel.js

jquery.jcarousel.js

595 ms

jcarousel.connected-carousels.js

jcarousel.connected-carousels.js

607 ms

51tra_250.jpg

51tra_250.jpg

809 ms

weibo-24x24.png

weibo-24x24.png

660 ms

TG9nby1HVEVMb3wyY2EyMA==.png

TG9nby1HVEVMb3wyY2EyMA==.png

1165 ms

5Lit55S16YeR5L+hTG9nby1DfGFlZTU5.jpg

5Lit55S16YeR5L+hTG9nby1DfGFlZTU5.jpg

3767 ms

NTEyfDcwNmQ4.png

NTEyfDcwNmQ4.png

1406 ms

5Lit55S16YeR5L+hTG9nby1SfDczMDI2.jpg

5Lit55S16YeR5L+hTG9nby1SfDczMDI2.jpg

1408 ms

company-default.jpg

company-default.jpg

1418 ms

weixin2.jpg

weixin2.jpg

1661 ms

sprite_1.2.2.png

sprite_1.2.2.png

714 ms

front_page2.jpg

front_page2.jpg

5170 ms

social_1.0.png

social_1.0.png

372 ms

h.js

h.js

473 ms

h.js

h.js

1325 ms

analytics.js

analytics.js

11 ms

hm.gif

hm.gif

333 ms

collect

collect

27 ms

Accessibility Review

51tra.com accessibility score

65

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

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

51tra.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

SEO Factors

51tra.com SEO score

92

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

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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51tra.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that 51tra.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

51tra.com

Open Graph description is not detected on the main page of 51 Tra. 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: