Search Engine Optimization
Title Tag
Active
Ranking signal in 2026. The title tag is the single strongest on-page SEO signal. It shows in search results, browser tabs, and social shares. Keep it 30–60 characters (roughly under 580 pixels wide) and put the page's primary topic near the start.
TechChange | The Institute for Technology and Social Change | TechChange (The Institute for Technology and Social Change) trains leaders to leverage emerging technologies for sustainable social change.
Length: 201 character(s)
Length: 201 character(s)
Ideally, your title tag should contain between 10 and 70 characters (spaces included).
Make sure your title is explicit and contains your most important keywords.
Be sure that each page has a unique title.
Make sure your title is explicit and contains your most important keywords.
Be sure that each page has a unique title.
Meta Description
Active
Ranking signal in 2026. Meta descriptions are not a direct ranking factor, but they heavily influence whether someone clicks your result. Aim for 120–160 characters that read like ad copy, not a summary. Google rewrites about 70% of them — but a strong one still wins more often than a weak one.
No Description
Length: 0 character(s)
Length: 0 character(s)
Meta descriptions contains between 100 and 300 characters (spaces included).
It allow you to influence how your web pages are described and displayed in search results.
Ensure that all of your web pages have a unique meta description that is explicit and contains your most important keywords (these appear in bold when they match part or all of the user's search query).
A good meta description acts as an organic advertisement, so use enticing messaging with a clear call to action to maximize click-through rate.
It allow you to influence how your web pages are described and displayed in search results.
Ensure that all of your web pages have a unique meta description that is explicit and contains your most important keywords (these appear in bold when they match part or all of the user's search query).
A good meta description acts as an organic advertisement, so use enticing messaging with a clear call to action to maximize click-through rate.
Headings
Active
Ranking signal in 2026. Heading tags (H1–H6) give search engines and assistive technologies the structural outline of your page. Aim for exactly one H1, use H2 and H3 for sub-topics, and do not skip levels. Modern AI answer engines lean heavily on heading structure to extract passage-level answers.
| <H1> | <H2> | <H3> | <H4> | <H5> | <H6> |
|---|---|---|---|---|---|
| 1 | 0 | 8 | 1 | 0 | 0 |
| <H1> We create engaging courses and events on topics that matter </H1> |
| <H3> Trusted by over 300 of the leading organizations in social impact, philanthropy, global health, and international development. </H3> |
| <H3> Conferences </H3> |
Use your keywords in the headings and make sure the first level (H1) includes your most important keywords. Never duplicate your title tag content in your header tag.
While it is important to ensure every page has an H1 tag, never include more than one per page. Instead, use multiple H2 - H6 tags.
While it is important to ensure every page has an H1 tag, never include more than one per page. Instead, use multiple H2 - H6 tags.
Google Preview
Active
Ranking signal in 2026. This shows roughly how your page will appear in a Google search result — a sanity check that your title and description are not getting truncated. Note: real search results increasingly show rich features (sitelinks, FAQs, AI Overviews) that this static preview does not simulate.
TechChange | The Institute for Technology and Social Change | TechChange (The Institute for Technology and Social Change) trains leaders to leverage emerging technologies for sustainable social change.
conference.tc/
No Description
This is an example of what your Title Tag and Meta Description will look like in Google search results.
While Title Tags & Meta Descriptions are used to build the search result listings, the search engines may create their own if they are missing, not well written, or not relevant to the content on the page.
Title Tags and Meta Descriptions are cut short if they are too long, so it's important to stay within the suggested character limits.
While Title Tags & Meta Descriptions are used to build the search result listings, the search engines may create their own if they are missing, not well written, or not relevant to the content on the page.
Title Tags and Meta Descriptions are cut short if they are too long, so it's important to stay within the suggested character limits.
Alt Attribute
Active
Ranking signal in 2026. Alt text serves two real purposes: screen readers for visually impaired users, and image-search ranking. Generic alt text like "image" or "photo" is worse than nothing. Decorative images should use
alt="" deliberately; meaningful images should briefly describe what they show.
We found 24 images on this web page
22 ALT attributes are empty or missing.
22 ALT attributes are empty or missing.| https://www.techchange.org/wp-content/uploads/2026/04/TC-homepage-banner_Option-2.jpg |
| https://www.techchange.org/wp-content/uploads/2022/07/USAID-Logo.png |
| https://www.techchange.org/wp-content/uploads/2022/07/The-World-Bank-Logo.png |
Alternative text is used to describe images to give the search engine crawlers (and the visually impaired).
Also, more information to help them understand images, which can help them to appear in Google Images search results.
Also, more information to help them understand images, which can help them to appear in Google Images search results.
Keywords Cloud
Fading
Minor impact today — still good hygiene. The keyword cloud shows the most-used words on your page — useful for spotting accidental topical drift, but not a ranking signal in itself. Modern search engines understand topics and entities, not raw keyword frequency. Use this as a hygiene check, not a number to chase.
- about6
- social5
- courses4
- learn4
- view4
- work3
- events3
- organizations3
- hybrid3
- event3
- techchange3
- make3
- more3
- institute2
- technology2
This Keyword Cloud provides an insight into the frequency of keyword usage within the page.
It's important to carry out keyword research to get an understanding of the keywords that your audience is using. There are a number of keyword research tools available online to help you choose which keywords to target.
It's important to carry out keyword research to get an understanding of the keywords that your audience is using. There are a number of keyword research tools available online to help you choose which keywords to target.
Keyword Consistency
Fading
Minor impact today — still good hygiene. This compares whether the words in your title and meta description actually appear in your body content. A mismatch suggests your metadata is misleading, which can hurt click-through and trust. Low-impact today, but a useful sanity check before publishing.
GZIP compression
Active
Ranking signal in 2026. Compressing pages with GZIP, Brotli (br), or Zstandard (zstd) shrinks bytes by roughly 60–80%, which speeds load times and indirectly improves rankings through Core Web Vitals. Brotli is the modern default on most CDNs; Zstandard is gaining adoption. If this check fails, something is misconfigured — every modern server can compress text responses.
Wow! It's GZIP Enabled.
Your webpage is compressed from 60 KB to 13 KB (77.6 % size savings)
Your webpage is compressed from 60 KB to 13 KB (77.6 % size savings)
Gzip is a method of compressing files (making them smaller) for faster network transfers.
It allows to reduce the size of web pages and any other typical web files to about 30% or less of its original size before it transfer.
It allows to reduce the size of web pages and any other typical web files to about 30% or less of its original size before it transfer.
WWW Resolve
Active
Ranking signal in 2026. Both
www.yoursite.com and yoursite.com should redirect to one canonical version, otherwise Google treats them as separate origins and splits link equity. This check also verifies that HTTP traffic redirects to HTTPS and that you serve a Strict-Transport-Security (HSTS) header — both required for a properly canonicalized site in 2026.
Great, a redirect is in place to redirect traffic from your non-preferred domain.
Redirecting requests from a non-preferred domain is important because search engines consider URLs with and without "www" as two different websites.
XML Sitemap
Active
Ranking signal in 2026. An XML sitemap tells search engines which URLs you want indexed, when they were last updated, and how often. It is especially important for large sites, JavaScript-heavy sites, or sites with weak internal linking. Submit it via Google Search Console after creating it.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
We recommend that you generate an XML sitemap for your website and submit it to both Google Search Console and Bing Webmaster Tools. It is also good practice to specify your sitemap's location in your robots.txt file.
We recommend that you generate an XML sitemap for your website and submit it to both Google Search Console and Bing Webmaster Tools. It is also good practice to specify your sitemap's location in your robots.txt file.
Robots.txt
Active
Ranking signal in 2026.
robots.txt tells crawlers what they may and may not visit. In 2026 it also controls AI training and AI search crawlers such as GPTBot, ClaudeBot, PerplexityBot, and Google-Extended. Missing the file means everything is crawlable — usually fine, but you lose the option to block staging or admin paths.
A robots.txt file allows you to restrict the access of search engine robots that crawl the web and it can prevent these robots from accessing specific directories and pages. It also specifies where the XML sitemap file is located.
You can check for errors in your robots.txt file using Google Search Console (formerly Webmaster Tools) by selecting 'Robots.txt Tester' under 'Crawl'. This also allows you to test individual pages to make sure that Googlebot has the appropriate access.
You can check for errors in your robots.txt file using Google Search Console (formerly Webmaster Tools) by selecting 'Robots.txt Tester' under 'Crawl'. This also allows you to test individual pages to make sure that Googlebot has the appropriate access.
URL Rewrite
Active
Ranking signal in 2026. Search engines and humans both prefer URLs that describe the page (
/blog/seo-2026 over /p.php?id=2841). Clean URLs improve click-through from search results and shared links, and they age better as your tech stack changes.
Good, all URLs look clean and friendly
Your site's URLs contain unnecessary elements that make them look complicated.
A URL must be easy to read and remember for users. Search engines need URLs to be clean and include your page's most important keywords.
Clean URLs are also useful when shared on social media as they explain the page's content.
A URL must be easy to read and remember for users. Search engines need URLs to be clean and include your page's most important keywords.
Clean URLs are also useful when shared on social media as they explain the page's content.
WHOIS Data
Fading
Minor impact today — still good hygiene. Domain registrant information. Since GDPR (2018), most registrars redact personal data from public WHOIS by default. The check is useful for verifying domain ownership and spotting typo-squatters, but it no longer reveals much about most sites.
Indexed Pages
Active
Ranking signal in 2026. How many of your pages Google has actually indexed. If it is drastically lower than your sitemap's URL count, you have an indexation problem — typically caused by
noindex tags, blocked robots.txt rules, thin content, or crawl-budget issues. Cross-check with Google Search Console for the authoritative number.
Indexed pages in search engines
This is the number of pages that we have discovered on your website.
A low number can indicate that bots are unable to discover your webpages, which is a common cause of a bad site architecture & internal linking, or you're unknowingly preventing bots and search engines from crawling & indexing your pages.
A low number can indicate that bots are unable to discover your webpages, which is a common cause of a bad site architecture & internal linking, or you're unknowingly preventing bots and search engines from crawling & indexing your pages.
Backlinks Counter
Active
Ranking signal in 2026. The number of external sites linking to yours, weighted by their authority. Backlinks remain one of the top three Google ranking signals in 2026, though quality has overwhelmingly displaced quantity. One link from a respected industry site beats a hundred from low-quality directories.
Number of backlinks to your website
Backlinks are links that point to your website from other websites. They are like letters of recommendation for your site.
Since this factor is crucial to SEO, you should have a strategy to improve the quantity and quality of backlinks.
Since this factor is crucial to SEO, you should have a strategy to improve the quantity and quality of backlinks.
HTTPS Security
Active
Ranking signal in 2026. HTTPS has been a confirmed Google ranking signal since 2014 and is mandatory for many browser features. Beyond ranking, modern browsers flag HTTP pages as "Not Secure". A valid certificate, no mixed content, and HSTS together are table stakes in 2026.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Canonical Tag
Active
Ranking signal in 2026. The
rel="canonical" link tells search engines which URL is the primary version when the same content can be reached through multiple URLs (HTTP/HTTPS, www/non-www, tracking parameters, pagination). Without it, link equity gets split and Google may pick the wrong canonical itself.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Indexability (Meta Robots)
Active
Ranking signal in 2026. The meta robots tag and
X-Robots-Tag HTTP header control whether a page is indexed and whether its links are followed. A stray noindex on a production page is one of the most common (and silent) traffic-killing bugs.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Hreflang
Active
Ranking signal in 2026.
hreflang tells Google which language and regional version of a page to show to each user. Required for any multilingual or multi-region site. If your site is single-language, this check is informational only.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Social Meta (Open Graph / Twitter)
Active
Ranking signal in 2026. Open Graph and Twitter Card tags control how your page renders when shared on social platforms, Slack, Discord, iMessage, and increasingly AI answer engines. Missing or partial OG tags result in ugly link previews that suppress click-through.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Schema.org Structured Data
Active
Ranking signal in 2026. Schema.org JSON-LD gives search engines and AI assistants a machine-readable description of your content — what's a product, what's an article, who's the author. It powers rich results (star ratings, FAQ, breadcrumbs) and is increasingly central to how generative search engines cite sources.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Favicon
Fading
Minor impact today — still good hygiene. A favicon appears in browser tabs and now in Google's mobile search results next to your domain. Missing or broken favicons look unprofessional and reduce trust at the moment of clicking through. Low ranking impact, high perception impact.
This check was added after this audit was run. Re-run the audit to populate it.
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
Safe Browsing to identify unsafe websites and notify users and webmasters so they can protect themselves from harm.
Your server's IP address has little impact on your SEO. Nevertheless, try to host your website on a server which is geographically close to your visitors.
Search engines take the geolocation of a server into account as well as the server speed.
Meta Keywords
Legacy
Not a ranking signal in 2026 — shown for completeness. Google publicly stopped using the meta keywords tag in 2009 and Bing followed soon after. We still scan it because it can leak your full keyword strategy to anyone viewing your page source — competitors included. Either remove it entirely or audit it for content you would not want a competitor to see.
No Keywords
Meta Keywords are a specific type of meta tag that appear in the HTML code
of a Web page and help tell search engines what the topic of the page is.
However, google can't use meta keywords.
However, google can't use meta keywords.
Text/HTML Ratio
Legacy
Not a ranking signal in 2026 — shown for completeness. A high text-to-HTML ratio used to suggest a content-rich page rather than a markup-heavy one. Google has confirmed this is not a ranking signal, and modern frameworks legitimately produce HTML-heavy pages. Treat the number as a rough proxy for thin content, not a target.
HTML to Text Ratio is: 4.53%
| Text content size | 2785 bytes |
| Total HTML size | 61535 bytes |
Code to text ratio represents the percentage of actual text on a web page compared to the percentage of
HTML code, and it is used by search engines to calculate the relevancy of a web page.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
A higher code to text ratio will increase your chances of getting a better rank in search engine results.
IP Canonicalization
Legacy
Not a ranking signal in 2026 — shown for completeness. This checked whether your domain's raw IP address redirects to the domain name. It mattered when most sites had dedicated IPs; today virtually all hosting is on shared IPs and CDNs where the check is irrelevant. Kept for historical completeness.
No your domain IP 138.197.55.142 does not redirect to conference.tc
To check this for your website, enter your IP address in the browser and see if your site loads with the IP address.
Ideally, the IP should redirect to your website's URL or to a page from your website hosting provider.
If it does not redirect, you should do an htaccess 301 redirect to make sure the IP does not get indexed.
Ideally, the IP should redirect to your website's URL or to a page from your website hosting provider.
If it does not redirect, you should do an htaccess 301 redirect to make sure the IP does not get indexed.
Underscores in the URLs
Legacy
Not a ranking signal in 2026 — shown for completeness. Google has treated underscores as word separators since around 2010, so the original distinction with hyphens no longer matters for ranking. We still surface it because some legacy analytics and CMS tools parse
_ and - differently. Cosmetic only.
Great, you are not using underscores (these_are_underscores) in your URLs
Great, you are not using ?underscores (these_are_underscores) in your URLs.
While Google treats hyphens as word separators, it does not for underscores.
While Google treats hyphens as word separators, it does not for underscores.
Embedded Objects
Legacy
Not a ranking signal in 2026 — shown for completeness. This detects
<embed> and <object> tags — historically used for Flash. Flash was end-of-lifed in December 2020 and no major search engine indexes it. Today the flag mostly catches outdated or abandoned pages worth modernizing.
Perfect, no embedded objects has been detected on this page
Embedded Objects such as Flash. It should only be used for specific enhancements.
Although Flash content often looks nicer, it cannot be properly indexed by search engines.
Avoid full Flash websites to maximize SEO.
Although Flash content often looks nicer, it cannot be properly indexed by search engines.
Avoid full Flash websites to maximize SEO.
Iframe
Legacy
Not a ranking signal in 2026 — shown for completeness. Iframes used to be a red flag because search engines could not crawl their content. Modern Google crawls iframe content fine, and iframes are now standard for YouTube embeds, maps, payment widgets, and forms. The signal is informational only today.
Perfect, no Iframe content has been detected on this page
Frames can cause problems on your web page because search engines will not crawl or index the content within them.
Avoid frames whenever possible and use a NoFrames tag if you must use them.
Avoid frames whenever possible and use a NoFrames tag if you must use them.
Domain Registration
Legacy
Not a ranking signal in 2026 — shown for completeness. This shows how long your domain has been registered. A persistent SEO myth claims older domains rank better; Google has stated repeatedly that domain age itself is not a ranking factor — what matters is the link history and content built on that domain over time. Useful trivia, not actionable SEO.
Usability
URL
http://conference.tc
Length: 10 characters
Length: 10 characters
Keep your URLs short and avoid long domain names when possible.
A descriptive URL is better recognized by search engines.
A user should be able to look at the address bar and make an accurate guess about the content of the page before reaching it (e.g., http://www.mysite.com/en/products).
A descriptive URL is better recognized by search engines.
A user should be able to look at the address bar and make an accurate guess about the content of the page before reaching it (e.g., http://www.mysite.com/en/products).
Favicon
Favicons improve a brand's visibility.
As a favicon is especially important for users bookmarking your website, make sure it is consistent with your brand.
As a favicon is especially important for users bookmarking your website, make sure it is consistent with your brand.
Custom 404 Page
Great, your website has a custom 404 error page.
When a visitor encounters a 404 File Not Found error on your site, you're on the verge of losing the visitor that you've worked so hard to obtain through the search engines and third party links.
Creating your custom 404 error page allows you to minimize the number of visitors lost that way.
Creating your custom 404 error page allows you to minimize the number of visitors lost that way.
Page Size
60 KB (World Wide Web average is 320 Kb)
Two of the main reasons for an increase in page size are images and JavaScript files.
Page size affects the speed of your website; try to keep your page size below 2 Mb.
Tip: Use images with a small size and optimize their download with gzip.
Page size affects the speed of your website; try to keep your page size below 2 Mb.
Tip: Use images with a small size and optimize their download with gzip.
Load Time
2.13 second(s)
Site speed is an important factor for ranking high in Google search results and enriching the user experience.
Resources: Check out Google's developer tutorials for tips on how to to make your website run faster.
Resources: Check out Google's developer tutorials for tips on how to to make your website run faster.
PageSpeed Insights (Desktop)
0 / 100
Page Speed
Conference.tc desktop website speed is slow. Page speed is important for both search engines and visitors end.
Enter your suggestion box message
Language
Good, you have declared your language
Declared Language: EN-US
Declared Language: EN-US
Make sure your declared language is the same as the language detected by Google
Also, define the language of the content in each page's HTML code.
Also, define the language of the content in each page's HTML code.
Domain Availability
| Domains (TLD) | Status |
|---|---|
| conference.com | Already Registered |
| conference.net | Already Registered |
| conference.org | Already Registered |
| conference.biz | Already Registered |
| conference.us | Already Registered |
Register the various extensions of your domain to protect your brand from cybersquatters.
Typo Availability
| Domains (TLD) | Status |
|---|---|
| xonference.tc | Query Failed |
| sonference.tc | Query Failed |
| donference.tc | Query Failed |
| fonference.tc | Query Failed |
| vonference.tc | Query Failed |
Register the various typos of your domain to protect your brand from cybersquatters.
Email Privacy
Good, no email address has been found in plain text.
We don't recommend adding plain text/linked email addresses to your webpages.
As malicious bots scrape the web in search of email addresses to spam. Instead, consider using a contact form.
As malicious bots scrape the web in search of email addresses to spam. Instead, consider using a contact form.
Safe Browsing
The website is not blacklisted and looks safe to use.
Safe Browsing to identify unsafe websites and notify users and webmasters so they can protect themselves from harm.
Mobile
Mobile View
The number of people using the Mobile Web is huge; over 75 percent of consumers have access to smartphones. ??
Your website should look nice on the most popular mobile devices.
Tip: Use an analytics tool to track mobile usage of your website.
Your website should look nice on the most popular mobile devices.
Tip: Use an analytics tool to track mobile usage of your website.
Mobile Compatibility
Perfect, no embedded objects detected.
Embedded Objects such as Flash, Silverlight or Java. It should only be used for specific enhancements.
But avoid using Embedded Objects, so your content can be accessed on all devices.
But avoid using Embedded Objects, so your content can be accessed on all devices.
Technologies
Server IP
| Server IP | Server Location | Service Provider |
|---|---|---|
| 138.197.55.142 | Not Available | Not Available |
Your server's IP address has little impact on your SEO. Nevertheless, try to host your website on a server which is geographically close to your visitors.
Search engines take the geolocation of a server into account as well as the server speed.
Search engines take the geolocation of a server into account as well as the server speed.
Analytics
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website.
You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
W3C Validity
W3C not validated
W3Cis a consortium that sets web standards.
Using valid markup that contains no errors is important because syntax errors can make your page difficult for search engines to index. Run the W3C validation service whenever changes are made to your website's code.
Using valid markup that contains no errors is important because syntax errors can make your page difficult for search engines to index. Run the W3C validation service whenever changes are made to your website's code.
Doc Type
Your Web Page doctype is HTML 5
The Doctype is used to instruct web browsers about the document type being used.
For example, what version of HTML the page is written in.
Declaring a doctype helps web browsers to render content correctly.
For example, what version of HTML the page is written in.
Declaring a doctype helps web browsers to render content correctly.
Encoding
Great, language/character encoding is specified: UTF-8
Specifying language/character encoding can prevent problems with the rendering of special characters.
Visitors
Link Analysis
In-Page Links
We found a total of 32 links including both internal & external links of your site
| Anchor | Type | Follow |
|---|---|---|
| SCHEDULE A CALL | Internal Links | Dofollow |
| LEARN ABOUT OUR CONFERENCES | Internal Links | Dofollow |
| LEARN ABOUT OUR COURSES | Internal Links | Dofollow |
| LEARN ABOUT OUR WORKSHOPS | Internal Links | Dofollow |
| MORE ABOUT OUR APPROACH | Internal Links | Dofollow |
While there's no exact limit to the number of links you should include on a page, best practice is to avoid exceeding 200 links.
Links pass value from one page to another, but the amount of value that can be passed is split between all of the links on a page. This means that adding unnecessary links will dilute the potential value attributed to your other links.
Using the Nofollow attribute prevents value from being passed to the linking page, but it's worth noting that these links are still taken into account when calculating the value that is passed through each link, so Nofollow links can also dilute pagerank.
Links pass value from one page to another, but the amount of value that can be passed is split between all of the links on a page. This means that adding unnecessary links will dilute the potential value attributed to your other links.
Using the Nofollow attribute prevents value from being passed to the linking page, but it's worth noting that these links are still taken into account when calculating the value that is passed through each link, so Nofollow links can also dilute pagerank.
Broken Links
No broken links were found on this web page
Broken links send users to non-existing web pages. They are bad for your site's usability, reputation and SEO. If you find broken links in the future, take the time to replace or remove each one.
Social
Social Data
Cost and overhead previously rendered this semi-public form of communication unfeasible.
But advances in social networking technology from 2004-2010 has made broader concepts of sharing possible.