Tools & Wizards About Us
senfenglaser.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

senfenglaser.com

fiber laser metal cutting machine manufacturer–SENFENG LASER

Page Load Speed

2.9 sec in total

First Response

149 ms

Resources Loaded

2.6 sec

Page Rendered

139 ms

senfenglaser.com screenshot

About Website

Visit senfenglaser.com now to see the best up-to-date SENFENG Laser content for Iran and also check out these interesting facts you probably never knew about senfenglaser.com

SENFENG LASER is a professional manufacturer of metal laser cutting machines,laser cleaning machines and laser welding machine. Email:senfeng@sfcnclaser.com

Visit senfenglaser.com

Key Findings

We analyzed Senfenglaser.com page load time and found that the first response time was 149 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

senfenglaser.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value31.2 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

senfenglaser.com

149 ms

senfenglaser.com

291 ms

bootstrap.css

129 ms

fullpage.css

186 ms

public.css

251 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 91% of them (144 requests) were addressed to the original Senfenglaser.com, 8% (12 requests) were made to Embed.tawk.to and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (602 ms) belongs to the original domain Senfenglaser.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 500.7 kB (5%)

Content Size

9.5 MB

After Optimization

9.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Senfenglaser.com main page is 9.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 8.9 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 82.1 kB

  • Original 91.2 kB
  • After minification 48.5 kB
  • After compression 9.1 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. This page needs HTML code to be minified as it can gain 42.7 kB, which is 47% 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 82.1 kB or 90% of the original size.

Image Optimization

-2%

Potential reduce by 136.5 kB

  • Original 8.9 MB
  • After minification 8.7 MB

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. SENFENG Laser images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 201.2 kB

  • Original 471.1 kB
  • After minification 398.4 kB
  • After compression 269.9 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 201.2 kB or 43% of the original size.

CSS Optimization

-66%

Potential reduce by 80.9 kB

  • Original 122.8 kB
  • After minification 100.0 kB
  • After compression 41.9 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. Senfenglaser.com needs all CSS files to be minified and compressed as it can save up to 80.9 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (18%)

Requests Now

153

After Optimization

126

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SENFENG Laser. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

senfenglaser.com

senfenglaser.com

149 ms

senfenglaser.com

senfenglaser.com

291 ms

bootstrap.css

bootstrap.css

129 ms

fullpage.css

fullpage.css

186 ms

public.css

public.css

251 ms

index.css

index.css

190 ms

swiper-bundle.min.css

swiper-bundle.min.css

204 ms

jquery-2.1.1.js

jquery-2.1.1.js

272 ms

fullpage.js

fullpage.js

339 ms

bootstrap.js

bootstrap.js

308 ms

js

js

74 ms

myslider.js

myslider.js

258 ms

swiper-bundle.min.js

swiper-bundle.min.js

269 ms

gtm.js

gtm.js

88 ms

Peru-Exhibition-banner.jpg

Peru-Exhibition-banner.jpg

154 ms

Peru-Exhibition-banner-Mobile.jpg

Peru-Exhibition-banner-Mobile.jpg

324 ms

index_banner1.png

index_banner1.png

386 ms

b_idx_banner1.jpg

b_idx_banner1.jpg

257 ms

index_banner2.jpg

index_banner2.jpg

181 ms

b_idx_banner2.jpg

b_idx_banner2.jpg

154 ms

index_banner3.jpg

index_banner3.jpg

213 ms

b_idx_banner3.jpg

b_idx_banner3.jpg

281 ms

index_banner4.jpg

index_banner4.jpg

302 ms

b_idx_banner4.jpg

b_idx_banner4.jpg

279 ms

downward.gif

downward.gif

320 ms

idx2-icon-cut1.png

idx2-icon-cut1.png

342 ms

idx2-icon-cut2.png

idx2-icon-cut2.png

345 ms

idx2-icon-cut3.png

idx2-icon-cut3.png

362 ms

idx2-cut.png

idx2-cut.png

443 ms

idx1-click2.gif

idx1-click2.gif

388 ms

idx2-icon-pb1.png

idx2-icon-pb1.png

404 ms

idx2-icon-pb2.png

idx2-icon-pb2.png

409 ms

idx2-icon-pb3.png

idx2-icon-pb3.png

422 ms

idx2-pk.png

idx2-pk.png

453 ms

idx2-icon-auto1.png

idx2-icon-auto1.png

454 ms

idx2-icon-auto2.png

idx2-icon-auto2.png

466 ms

idx2-icon-auto3.png

idx2-icon-auto3.png

473 ms

idx2-auto.png

idx2-auto.png

484 ms

idx2-icon-clad1.png

idx2-icon-clad1.png

506 ms

idx2-icon-clad2.png

idx2-icon-clad2.png

516 ms

idx2-icon-clad3.png

idx2-icon-clad3.png

517 ms

idx2-clad.png

idx2-clad.png

531 ms

idx2-icon-energy1.png

idx2-icon-energy1.png

537 ms

idx2-icon-energy2.png

idx2-icon-energy2.png

544 ms

idx2-icon-energy3.png

idx2-icon-energy3.png

568 ms

idx2-energy.png

idx2-energy.png

582 ms

idx2-icon-milling1.png

idx2-icon-milling1.png

579 ms

idx2-icon-milling2.png

idx2-icon-milling2.png

594 ms

idx2-milling.png

idx2-milling.png

602 ms

idx2-icon-weld1.png

idx2-icon-weld1.png

563 ms

1hnd4k3v6

1hnd4k3v6

187 ms

Poppins-Regular.ttf

Poppins-Regular.ttf

486 ms

d6effa52dab94e8d9a8185d116c68eac.woff

d6effa52dab94e8d9a8185d116c68eac.woff

499 ms

Poppins-Light.ttf

Poppins-Light.ttf

477 ms

header.html

header.html

458 ms

siderbar.html

siderbar.html

424 ms

idx2-icon-weld2.png

idx2-icon-weld2.png

400 ms

idx2-weld.png

idx2-weld.png

423 ms

arrR.png

arrR.png

407 ms

slide-icon.png

slide-icon.png

398 ms

idx3_1.png

idx3_1.png

400 ms

idx3_2.png

idx3_2.png

387 ms

idx3_3.png

idx3_3.png

389 ms

idx3_4.png

idx3_4.png

404 ms

arR.png

arR.png

387 ms

idx4-icon1.png

idx4-icon1.png

392 ms

idx4-ar.png

idx4-ar.png

381 ms

idx4-icon2.png

idx4-icon2.png

379 ms

idx4-icon3.png

idx4-icon3.png

376 ms

idx4-icon4.png

idx4-icon4.png

384 ms

mb-pic1.jpg

mb-pic1.jpg

383 ms

mb-icon1.png

mb-icon1.png

391 ms

mb-pic2.jpg

mb-pic2.jpg

382 ms

mb-icon2.png

mb-icon2.png

376 ms

mb-pic3.jpg

mb-pic3.jpg

377 ms

mb-icon3.png

mb-icon3.png

384 ms

mb-pic4.jpg

mb-pic4.jpg

383 ms

mb-icon4.png

mb-icon4.png

390 ms

n3.png

n3.png

387 ms

n2.png

n2.png

379 ms

n1.png

n1.png

445 ms

ft-logo.png

ft-logo.png

384 ms

address.png

address.png

384 ms

tel.png

tel.png

387 ms

email.png

email.png

382 ms

tiktok.png

tiktok.png

379 ms

instagram.png

instagram.png

409 ms

facebook.png

facebook.png

387 ms

linkedin.png

linkedin.png

380 ms

youtube.png

youtube.png

369 ms

idx2-bg-cut.jpg

idx2-bg-cut.jpg

370 ms

arrow_l.png

arrow_l.png

377 ms

arrow_r.png

arrow_r.png

397 ms

idx2-bg-pk.jpg

idx2-bg-pk.jpg

392 ms

idx2-bg-auto.jpg

idx2-bg-auto.jpg

396 ms

idx2-bg-clad.jpg

idx2-bg-clad.jpg

384 ms

idx2-bg-energy.jpg

idx2-bg-energy.jpg

390 ms

idx2-bg-milling.jpg

idx2-bg-milling.jpg

396 ms

idx2-bg-weld.jpg

idx2-bg-weld.jpg

410 ms

section-bg.png

section-bg.png

520 ms

1.png

1.png

401 ms

2.png

2.png

403 ms

3.png

3.png

402 ms

4.png

4.png

407 ms

idx5-bg.png

idx5-bg.png

415 ms

3015H5.jpg

3015H5.jpg

406 ms

BDC1500.jpg

BDC1500.jpg

412 ms

1503CLH.jpg

1503CLH.jpg

405 ms

SFR6063.jpg

SFR6063.jpg

412 ms

Adapter-Laser-Welding-Machine.jpg

Adapter-Laser-Welding-Machine.jpg

426 ms

SF-VL1160.jpg

SF-VL1160.jpg

434 ms

SF1500HWM.jpg

SF1500HWM.jpg

422 ms

3015H4.jpg

3015H4.jpg

412 ms

3015HC.jpg

3015HC.jpg

416 ms

12030R.jpg

12030R.jpg

421 ms

3015N.jpg

3015N.jpg

430 ms

3015G.jpg

3015G.jpg

404 ms

1530G.jpg

1530G.jpg

412 ms

1313G.jpg

1313G.jpg

404 ms

12056HT.jpg

12056HT.jpg

413 ms

9035NT.jpg

9035NT.jpg

418 ms

6020T.jpg

6020T.jpg

422 ms

6020T(2020).jpg

6020T(2020).jpg

402 ms

6024GT.jpg

6024GT.jpg

409 ms

3015M.jpg

3015M.jpg

406 ms

HM.jpg

HM.jpg

416 ms

SFHS3050.jpg

SFHS3050.jpg

417 ms

SFH3050.jpg

SFH3050.jpg

421 ms

SFMR02.jpg

SFMR02.jpg

401 ms

Preheating-Machine.jpg

Preheating-Machine.jpg

409 ms

Heat-Pressing-Machine.jpg

Heat-Pressing-Machine.jpg

406 ms

Matching-Machine.jpg

Matching-Machine.jpg

415 ms

Ultrasonic-Welding-Machine.jpg

Ultrasonic-Welding-Machine.jpg

415 ms

Mylar-Wrapping-Machine.jpg

Mylar-Wrapping-Machine.jpg

418 ms

Shell-Laser-Pre-welding-Machine.jpg

Shell-Laser-Pre-welding-Machine.jpg

396 ms

Top-Laser-Welding-Machine.jpg

Top-Laser-Welding-Machine.jpg

394 ms

Helium-Inspection-Machine.jpg

Helium-Inspection-Machine.jpg

386 ms

battery-module.jpg

battery-module.jpg

398 ms

battery-pack.jpg

battery-pack.jpg

395 ms

storage-container.jpg

storage-container.jpg

388 ms

arrowright.png

arrowright.png

372 ms

tel.webp

tel.webp

381 ms

WhatsApp.png

WhatsApp.png

384 ms

wechat.png

wechat.png

388 ms

close.png

close.png

376 ms

wechat-SENFENG.webp

wechat-SENFENG.webp

374 ms

whatapp-tel.png

whatapp-tel.png

373 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

12 ms

twk-event-polyfill.js

twk-event-polyfill.js

96 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

30 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

97 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

97 ms

twk-main.js

twk-main.js

20 ms

twk-vendor.js

twk-vendor.js

24 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

38 ms

twk-chunk-common.js

twk-chunk-common.js

48 ms

twk-runtime.js

twk-runtime.js

49 ms

twk-app.js

twk-app.js

94 ms

Accessibility Review

senfenglaser.com accessibility score

83

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

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

Links do not have a discernible name

Best Practices

senfenglaser.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

senfenglaser.com SEO score

85

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

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

    N/A

  • Encoding

    UTF-8

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

senfenglaser.com

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