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lambda-land.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

lambda-land.com

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Page Load Speed

3.9 sec in total

First Response

450 ms

Resources Loaded

3.1 sec

Page Rendered

333 ms

lambda-land.com screenshot

About Website

Welcome to lambda-land.com homepage info - get ready to check Lambda Land best content right away, or after learning these important things about lambda-land.com

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Key Findings

We analyzed Lambda-land.com page load time and found that the first response time was 450 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lambda-land.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

lambda-land.com

450 ms

www.lambda-land.com

678 ms

bootstrap.css

417 ms

style.css

429 ms

jquery.min.js

858 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 82% of them (14 requests) were addressed to the original Lambda-land.com, 6% (1 request) were made to Tj.konyukhiv.com and 6% (1 request) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.9 kB (46%)

Content Size

152.3 kB

After Optimization

82.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Lambda-land.com main page is 152.3 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. 15% of websites need less resources to load. Javascripts take 93.4 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 10.7 kB

  • Original 17.6 kB
  • After minification 17.6 kB
  • After compression 6.9 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 10.7 kB or 61% of the original size.

Image Optimization

-3%

Potential reduce by 1.3 kB

  • Original 41.3 kB
  • After minification 39.9 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. Lambda Land images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 57.8 kB

  • Original 93.4 kB
  • After minification 93.4 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 57.8 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (46%)

Requests Now

13

After Optimization

7

  • AJAX
  • Images
  • JavaScript

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lambda Land. 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

lambda-land.com

lambda-land.com

450 ms

www.lambda-land.com

www.lambda-land.com

678 ms

bootstrap.css

bootstrap.css

417 ms

style.css

style.css

429 ms

jquery.min.js

jquery.min.js

858 ms

move-top.js

move-top.js

433 ms

easing.js

easing.js

440 ms

tongji19.js

tongji19.js

917 ms

classie.js

classie.js

443 ms

uisearch.js

uisearch.js

625 ms

jquery.wmuSlider.js

jquery.wmuSlider.js

642 ms

hm.js

hm.js

1234 ms

tj.comkonyukhiv.com

tj.comkonyukhiv.com

917 ms

logo.png

logo.png

219 ms

344197.jpg

344197.jpg

223 ms

748674.jpg

748674.jpg

215 ms

726820.jpg

726820.jpg

221 ms

Accessibility Review

lambda-land.com accessibility score

63

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

lambda-land.com best practices score

58

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

Missing source maps for large first-party JavaScript

SEO Factors

lambda-land.com SEO score

83

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

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

lambda-land.com

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