Tools & Wizards About Us

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

blastocystcenter.com

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Page Load Speed

3.4 sec in total

First Response

236 ms

Resources Loaded

2.9 sec

Page Rendered

210 ms

About Website

Welcome to blastocystcenter.com homepage info - get ready to check Blastocystcenter best content right away, or after learning these important things about blastocystcenter.com

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Key Findings

We analyzed Blastocystcenter.com page load time and found that the first response time was 236 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

blastocystcenter.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

blastocystcenter.com

236 ms

www.blastocystcenter.com

381 ms

css.css

76 ms

m_css.css

151 ms

jquery-1.7.2.min.js

371 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 95% of them (88 requests) were addressed to the original Blastocystcenter.com, 4% (4 requests) were made to Hm.baidu.com and 1% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.4 kB (57%)

Content Size

243.2 kB

After Optimization

105.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Blastocystcenter.com main page is 243.2 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. Javascripts take 178.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 47.4 kB

  • Original 57.8 kB
  • After minification 44.8 kB
  • After compression 10.4 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 13.1 kB, which is 23% 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 47.4 kB or 82% of the original size.

JavaScript Optimization

-49%

Potential reduce by 88.0 kB

  • Original 178.3 kB
  • After minification 168.3 kB
  • After compression 90.4 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 88.0 kB or 49% of the original size.

CSS Optimization

-29%

Potential reduce by 2.0 kB

  • Original 7.0 kB
  • After minification 7.0 kB
  • After compression 5.0 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. Blastocystcenter.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (7%)

Requests Now

90

After Optimization

84

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blastocystcenter. 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

Accessibility Review

blastocystcenter.com accessibility score

71

Accessibility Issues

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

blastocystcenter.com best practices score

42

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

blastocystcenter.com SEO score

82

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blastocystcenter.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Blastocystcenter.com main page’s claimed encoding is utf8. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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