Tools & Wizards About Us
szelinktec.com screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

szelinktec.com

Shen Zhen LANMexx Technologies - LANMexx Offer SFP Transceiver/Modules, Media Converter, Fiber Optic Passive Components

Page Load Speed

1.7 sec in total

First Response

366 ms

Resources Loaded

1.2 sec

Page Rendered

175 ms

szelinktec.com screenshot

About Website

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

Fiber Optic Patch Cord, Fiber Optic Media Converter, SFP Transceiver manufacturers / suppliers in China, offering LC/APC Fiber Optic Attenuator/Fiber Attenuator, FC/Upc Fiber Optic Connector for Makin...

Visit szelinktec.com

Key Findings

We analyzed Szelinktec.com page load time and found that the first response time was 366 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

szelinktec.com performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

szelinktec.com

366 ms

lvlanstyle.css

70 ms

sy_tu.js

135 ms

mm_menu.js

145 ms

swfobject.js

154 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that all of those requests were addressed to Szelinktec.com and no external sources were called. The less responsive or slowest element that took the longest time to load (477 ms) belongs to the original domain Szelinktec.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.3 kB (10%)

Content Size

602.4 kB

After Optimization

542.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szelinktec.com main page is 602.4 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. 35% of websites need less resources to load. Images take 555.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.3 kB

  • Original 30.4 kB
  • After minification 29.0 kB
  • After compression 6.1 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 24.3 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 33.3 kB

  • Original 555.4 kB
  • After minification 522.2 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. Szelinktec images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 1.6 kB

  • Original 11.9 kB
  • After minification 11.9 kB
  • After compression 10.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.6 kB or 13% of the original size.

CSS Optimization

-24%

Potential reduce by 1.1 kB

  • Original 4.6 kB
  • After minification 4.6 kB
  • After compression 3.5 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. Szelinktec.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (16%)

Requests Now

58

After Optimization

49

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szelinktec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

szelinktec.com

szelinktec.com

366 ms

lvlanstyle.css

lvlanstyle.css

70 ms

sy_tu.js

sy_tu.js

135 ms

mm_menu.js

mm_menu.js

145 ms

swfobject.js

swfobject.js

154 ms

lang.js

lang.js

159 ms

bg.jpg

bg.jpg

70 ms

logo.jpg

logo.jpg

135 ms

top_skype.png

top_skype.png

72 ms

top_yahoo.png

top_yahoo.png

71 ms

top_facebook.png

top_facebook.png

71 ms

top_email1.png

top_email1.png

135 ms

menu_left.jpg

menu_left.jpg

136 ms

menu_right.jpg

menu_right.jpg

138 ms

cpdl_tb1.gif

cpdl_tb1.gif

139 ms

tugg3image.jpg

tugg3image.jpg

139 ms

skype.gif

skype.gif

201 ms

facebook.gif

facebook.gif

202 ms

yahoo.gif

yahoo.gif

204 ms

email.gif

email.gif

206 ms

2017-12-12-23-58-029.jpg

2017-12-12-23-58-029.jpg

404 ms

331_0.jpg

331_0.jpg

206 ms

349_0.jpg

349_0.jpg

268 ms

348_0.jpg

348_0.jpg

270 ms

347_0.jpg

347_0.jpg

272 ms

346_0.jpg

346_0.jpg

272 ms

344_0.jpg

344_0.jpg

273 ms

news.gif

news.gif

337 ms

2016-3-21-18-41-3.jpg

2016-3-21-18-41-3.jpg

338 ms

2016-3-21-19-45-36.jpg

2016-3-21-19-45-36.jpg

338 ms

2016-3-21-19-48-43.jpg

2016-3-21-19-48-43.jpg

345 ms

2016-12-2-13-31-41.jpg

2016-12-2-13-31-41.jpg

346 ms

2016-12-8-17-13-19.jpg

2016-12-8-17-13-19.jpg

404 ms

ico_china.jpg

ico_china.jpg

405 ms

ico_deutsch1.gif

ico_deutsch1.gif

405 ms

ico_espanol.gif

ico_espanol.gif

412 ms

ico_francies.gif

ico_francies.gif

413 ms

ico_italino.gif

ico_italino.gif

468 ms

ico_portgues.gif

ico_portgues.gif

471 ms

ico_japan.jpg

ico_japan.jpg

456 ms

ico_korea.jpg

ico_korea.jpg

455 ms

ico_arabia.jpg

ico_arabia.jpg

462 ms

ico_russia.jpg

ico_russia.jpg

418 ms

map.gif

map.gif

473 ms

fdskype.gif

fdskype.gif

475 ms

fdyahoo.gif

fdyahoo.gif

476 ms

fdemail.gif

fdemail.gif

415 ms

top.jpg

top.jpg

419 ms

button_bg.jpg

button_bg.jpg

419 ms

menu_bg2.jpg

menu_bg2.jpg

473 ms

menu_bg.jpg

menu_bg.jpg

474 ms

menu_bg1.jpg

menu_bg1.jpg

477 ms

title_cpfl.jpg

title_cpfl.jpg

415 ms

title_cpfl_l.jpg

title_cpfl_l.jpg

419 ms

title_cpfl_r.jpg

title_cpfl_r.jpg

420 ms

syabout.jpg

syabout.jpg

473 ms

syabout_l.jpg

syabout_l.jpg

475 ms

syabout_r.jpg

syabout_r.jpg

414 ms

bottom.jpg

bottom.jpg

413 ms

Accessibility Review

szelinktec.com accessibility score

41

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

szelinktec.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

szelinktec.com SEO score

42

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

High

Document uses plugins

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Szelinktec.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 Szelinktec.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

szelinktec.com

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