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enf.cn screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

enf.cn

ENF List of Solar Companies and Products - Including Solar Panel and Inverter PV Manufacturers

Page Load Speed

2 sec in total

First Response

229 ms

Resources Loaded

1.6 sec

Page Rendered

214 ms

enf.cn screenshot

About Website

Welcome to enf.cn homepage info - get ready to check ENF best content right away, or after learning these important things about enf.cn

ENF Solar is the top source of photovoltaic information connecting solar suppliers and customers. We list all photovoltaic manufacturing companies, products and installers in the world - including sol...

Visit enf.cn

Key Findings

We analyzed Enf.cn page load time and found that the first response time was 229 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

enf.cn performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value2,660 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

enf.cn

229 ms

www.enfsolar.com

215 ms

svelte.css

63 ms

mf.1c5161277.css

85 ms

all.c70620a90.css

116 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Enf.cn, 59% (55 requests) were made to Cdn.enfsolar.com and 20% (19 requests) were made to Enf.com.cn. The less responsive or slowest element that took the longest time to load (780 ms) relates to the external source Enf.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.8 kB (35%)

Content Size

1.1 MB

After Optimization

710.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Enf.cn main page is 1.1 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. 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. Images take 861.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 50.8 kB

  • Original 62.6 kB
  • After minification 62.6 kB
  • After compression 11.8 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 50.8 kB or 81% of the original size.

Image Optimization

-26%

Potential reduce by 223.8 kB

  • Original 861.9 kB
  • After minification 638.1 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. Obviously, ENF needs image optimization as it can save up to 223.8 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 32.0 kB

  • Original 67.5 kB
  • After minification 67.5 kB
  • After compression 35.5 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 32.0 kB or 47% of the original size.

CSS Optimization

-75%

Potential reduce by 76.2 kB

  • Original 101.0 kB
  • After minification 24.8 kB
  • After compression 24.8 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. Enf.cn needs all CSS files to be minified and compressed as it can save up to 76.2 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (20%)

Requests Now

87

After Optimization

70

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ENF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

enf.cn

enf.cn

229 ms

www.enfsolar.com

www.enfsolar.com

215 ms

svelte.css

svelte.css

63 ms

mf.1c5161277.css

mf.1c5161277.css

85 ms

all.c70620a90.css

all.c70620a90.css

116 ms

solar.f604a62ff.css

solar.f604a62ff.css

108 ms

mf_end.42edec2fc.css

mf_end.42edec2fc.css

145 ms

trans.js

trans.js

26 ms

ii.js

ii.js

46 ms

app.b44b523de.js

app.b44b523de.js

156 ms

app_libs.dd9944013.js

app_libs.dd9944013.js

101 ms

libs.b613dfb1e.js

libs.b613dfb1e.js

245 ms

all.1ded6bfa3.js

all.1ded6bfa3.js

152 ms

AppPublic.js

AppPublic.js

242 ms

gtm.js

gtm.js

184 ms

bat.js

bat.js

216 ms

bulb_icon.png

bulb_icon.png

547 ms

dragon_with_book.png

dragon_with_book.png

172 ms

index.html

index.html

173 ms

search.png

search.png

550 ms

index.html

index.html

256 ms

dropdown_bg_cd.png

dropdown_bg_cd.png

556 ms

dropdown_bg_pd.png

dropdown_bg_pd.png

558 ms

dropdown_bg_ad.png

dropdown_bg_ad.png

561 ms

intro_panel.png

intro_panel.png

568 ms

intro_inverter.png

intro_inverter.png

560 ms

intro_mounting_system.png

intro_mounting_system.png

550 ms

intro_charge_controller.png

intro_charge_controller.png

681 ms

storage_system.png

storage_system.png

691 ms

intro_cell.png

intro_cell.png

691 ms

intro_eva.png

intro_eva.png

622 ms

intro_backsheet.png

intro_backsheet.png

623 ms

panel.png

panel.png

631 ms

component.png

component.png

691 ms

material.png

material.png

692 ms

equipment.png

equipment.png

695 ms

seller.png

seller.png

778 ms

installer.png

installer.png

779 ms

service.png

service.png

780 ms

enf_logo_sun.png

enf_logo_sun.png

206 ms

sprites.png

sprites.png

280 ms

arflag.png

arflag.png

203 ms

sprites.png

sprites.png

148 ms

type-icons.png

type-icons.png

244 ms

200_200_Product_logo_Crystalline_61e51607c67a7.jpg

200_200_Product_logo_Crystalline_61e51607c67a7.jpg

242 ms

CN.png

CN.png

200 ms

200_200_Product_logo_Crystalline_6411329dec629.jpg

200_200_Product_logo_Crystalline_6411329dec629.jpg

385 ms

200_200_Product_logo_Crystalline_60138a4790716.jpg

200_200_Product_logo_Crystalline_60138a4790716.jpg

391 ms

200_200_Product_logo_Mounting%20System_64995ed1520c4.jpg

200_200_Product_logo_Mounting%20System_64995ed1520c4.jpg

392 ms

200_200_Product_logo_Crystalline_64db18ea285ed.jpg

200_200_Product_logo_Crystalline_64db18ea285ed.jpg

392 ms

intro_panel_mini.png

intro_panel_mini.png

278 ms

intro_inverter_mini.png

intro_inverter_mini.png

407 ms

intro_mounting_system_mini.png

intro_mounting_system_mini.png

393 ms

intro_charge_controller_mini.png

intro_charge_controller_mini.png

393 ms

intro_storage_system_mini.png

intro_storage_system_mini.png

405 ms

intro_cell_mini.png

intro_cell_mini.png

404 ms

intro_eva_mini.png

intro_eva_mini.png

413 ms

intro_backsheet_mini.png

intro_backsheet_mini.png

428 ms

crystalline_turn-key_system.png

crystalline_turn-key_system.png

495 ms

inverter.png

inverter.png

505 ms

mounting_system.png

mounting_system.png

520 ms

charge_controller.png

charge_controller.png

431 ms

cell.png

cell.png

522 ms

storage_system.png

storage_system.png

529 ms

tracker.png

tracker.png

546 ms

frame.png

frame.png

598 ms

junction_box.png

junction_box.png

608 ms

connector.png

connector.png

618 ms

crystalline_encapsulant.png

crystalline_encapsulant.png

614 ms

event.png

event.png

629 ms

87881612262e772adc02c9.png

87881612262e772adc02c9.png

642 ms

5ec4e99dd05e7.jpg

5ec4e99dd05e7.jpg

701 ms

open-sans-v18-latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-regular.woff

open-sans-v18-latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-regular.woff

692 ms

open-sans-v18-latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-600.woff

open-sans-v18-latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-600.woff

689 ms

open-sans-v18-latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-700.woff

open-sans-v18-latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-700.woff

669 ms

136bbd777e8ad69f8481e11ece9b0b64.js

136bbd777e8ad69f8481e11ece9b0b64.js

167 ms

js

js

110 ms

analytics.js

analytics.js

26 ms

insight.min.js

insight.min.js

103 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

461 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

577 ms

62d8fc6f6d552.png

62d8fc6f6d552.png

485 ms

6597a86f4cf83.png

6597a86f4cf83.png

600 ms

collect

collect

156 ms

collect

collect

147 ms

9a453834573e8474d23b516c4325275c.js

9a453834573e8474d23b516c4325275c.js

149 ms

1770319601649cfe59e515a.jpg

1770319601649cfe59e515a.jpg

572 ms

US.png

US.png

570 ms

MX.png

MX.png

563 ms

newsletter.png

newsletter.png

598 ms

collect

collect

41 ms

enf_logo_sun.png

enf_logo_sun.png

418 ms

insight_tag_errors.gif

insight_tag_errors.gif

124 ms

ga-audiences

ga-audiences

118 ms

Accessibility Review

enf.cn accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

enf.cn best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

enf.cn 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

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 Enf.cn 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 Enf.cn 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

enf.cn

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