Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

jeffbots.com

Jeff's Robots- toy robots & tons of robotics links!

Page Load Speed

1 sec in total

First Response

303 ms

Resources Loaded

476 ms

Page Rendered

224 ms

jeffbots.com screenshot

About Website

Welcome to jeffbots.com homepage info - get ready to check Jeff Bots best content for United States right away, or after learning these important things about jeffbots.com

My gallery of toy robots and zoids, as well as related links! Also, explore a huge collection of actual robotics links.

Visit jeffbots.com

Key Findings

We analyzed Jeffbots.com page load time and found that the first response time was 303 ms and then it took 700 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

jeffbots.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

69/100

10%

Network Requests Diagram

jeffbots.com

303 ms

show_ads.js

8 ms

dkblue.jpg

19 ms

robots2.jpg

54 ms

mybots.gif

40 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Jeffbots.com, 12% (3 requests) were made to Pagead2.googlesyndication.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (303 ms) belongs to the original domain Jeffbots.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.0 kB (7%)

Content Size

135.9 kB

After Optimization

125.9 kB

In fact, the total size of Jeffbots.com main page is 135.9 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. 25% of websites need less resources to load. Images take 95.8 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 5.3 kB

  • Original 8.4 kB
  • After minification 8.4 kB
  • After compression 3.1 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. 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 5.3 kB or 64% of the original size.

Image Optimization

-5%

Potential reduce by 4.5 kB

  • Original 95.8 kB
  • After minification 91.3 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. Jeff Bots images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 143 B

  • Original 31.7 kB
  • After minification 31.6 kB
  • After compression 31.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

25

After Optimization

22

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeff Bots. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jeffbots.com accessibility score

65

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-*] attributes do not match their roles

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

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

Best Practices

jeffbots.com best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

jeffbots.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jeffbots.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 Jeffbots.com main page’s claimed encoding is iso-8859-1. 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 Jeff Bots. 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: