Tools & Wizards About Us
optometry-equipments.com screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

optometry-equipments.com

Quality Optical Lensometer & Optical Refractometer factory from China

Page Load Speed

1.8 sec in total

First Response

90 ms

Resources Loaded

1 sec

Page Rendered

667 ms

optometry-equipments.com screenshot

About Website

Welcome to optometry-equipments.com homepage info - get ready to check Optometry Equipments best content right away, or after learning these important things about optometry-equipments.com

China leading provider of Optical Lensometer and Optical Refractometer, JingGong Optical (Wenzhou International Trade SCM Co., Ltd.) is Optical Refractometer factory.

Visit optometry-equipments.com

Key Findings

We analyzed Optometry-equipments.com page load time and found that the first response time was 90 ms and then it took 1.7 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

optometry-equipments.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

optometry-equipments.com

90 ms

www.optometry-equipments.com

184 ms

guidefirstcommon.css

41 ms

guidefirstcommon.js

69 ms

common.css

148 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 96% of them (26 requests) were addressed to the original Optometry-equipments.com, 4% (1 request) were made to Vodcdn.ecerimg.com. The less responsive or slowest element that took the longest time to load (450 ms) relates to the external source Vodcdn.ecerimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.6 kB (12%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optometry-equipments.com main page is 1.4 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. 50% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 141.8 kB

  • Original 166.9 kB
  • After minification 141.7 kB
  • After compression 25.1 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 25.2 kB, which is 15% 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 141.8 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 300 B

  • Original 1.0 MB
  • After minification 1.0 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. Optometry Equipments images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 10.9 kB

  • Original 144.1 kB
  • After minification 144.1 kB
  • After compression 133.2 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

-18%

Potential reduce by 5.6 kB

  • Original 30.5 kB
  • After minification 30.5 kB
  • After compression 24.9 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. Optometry-equipments.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (24%)

Requests Now

25

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optometry Equipments. 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 as a result speed up the page load time.

Network Requests Diagram

optometry-equipments.com

optometry-equipments.com

90 ms

www.optometry-equipments.com

www.optometry-equipments.com

184 ms

guidefirstcommon.css

guidefirstcommon.css

41 ms

guidefirstcommon.js

guidefirstcommon.js

69 ms

common.css

common.css

148 ms

jquery.js

jquery.js

141 ms

common_99704.js

common_99704.js

141 ms

guidecommon.js

guidecommon.js

112 ms

webim.js

webim.js

111 ms

logo.gif

logo.gif

39 ms

floatimage_chat.gif

floatimage_chat.gif

73 ms

video.min.js

video.min.js

450 ms

close.png

close.png

77 ms

error.png

error.png

77 ms

cl151634758-automatic_3d_tracking_auto_refractometer_with_keratometer_fa_100k_16s_high_speed_measure_xinyuan_brand.jpg

cl151634758-automatic_3d_tracking_auto_refractometer_with_keratometer_fa_100k_16s_high_speed_measure_xinyuan_brand.jpg

179 ms

cl151634760-3d_patternless_auto_lens_edger_400va_with_v_polishing.jpg

cl151634760-3d_patternless_auto_lens_edger_400va_with_v_polishing.jpg

188 ms

cl151634761-optical_lensometer.jpg

cl151634761-optical_lensometer.jpg

183 ms

load_icon.gif

load_icon.gif

78 ms

about_us_bg_99704.jpg

about_us_bg_99704.jpg

94 ms

certificate_bg_99704.jpg

certificate_bg_99704.jpg

90 ms

iconfont_99703.woff

iconfont_99703.woff

43 ms

stats.js

stats.js

39 ms

getseller.html

getseller.html

64 ms

pt22119532-digital_automatic_lensmeter_pd_uv_anti_blue_ray_lens_measurement_cl_300_auto_lensmeter.jpg

pt22119532-digital_automatic_lensmeter_pd_uv_anti_blue_ray_lens_measurement_cl_300_auto_lensmeter.jpg

51 ms

pt22298359-optical_lensometer_pd_uv_tester_measuring_optical_lensometer_with_7_inch_touch_lcd_screen_gd6038_gd6038a.jpg

pt22298359-optical_lensometer_pd_uv_tester_measuring_optical_lensometer_with_7_inch_touch_lcd_screen_gd6038_gd6038a.jpg

51 ms

pt22300593-compact_eye_testing_machine_ophthalmic_instruments_lensometer_with_aluminium_case.jpg

pt22300593-compact_eye_testing_machine_ophthalmic_instruments_lensometer_with_aluminium_case.jpg

56 ms

pt22299080-green_led_light_optometry_equipment_optometric_instruments_lensometer.jpg

pt22299080-green_led_light_optometry_equipment_optometric_instruments_lensometer.jpg

59 ms

Accessibility Review

optometry-equipments.com accessibility score

67

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

optometry-equipments.com best practices score

83

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

SEO Factors

optometry-equipments.com SEO score

86

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 Optometry-equipments.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 Optometry-equipments.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

optometry-equipments.com

Open Graph data is detected on the main page of Optometry Equipments. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: